Logging-While-Drilling (LWD)

Advanced sensor technologies deliver reliable formation evaluation data in real time

Logging-while-drilling (LWD) sensors acquire formation evaluation data to help you gain greater reservoir insight, leading to timely decision-making and more precise well placement.

Halliburton Sperry Drilling offers a wide array of LWD sensors that can be engineered to provide specific reservoir data for multiple applications, including petrophysical analysis, geomechanical analysis, and reservoir fluid characterization, enabling you to enhance reservoir understanding and reduce well time of your drilling projects. 

Let us help you maximize the value of your assets through increased production and lower costs every step of the way.
EarthStar™ Ultra-Deep Resistivity Service

EarthStar™ Ultra-Deep Resistivity Service

Innovative, disruptive technology that maps reservoir and fluid boundaries more than 200 feet (60 meters) from the wellbore – over twice the depth of investigation of current industry offerings.
9½-inch Azimuthal Lithodensity (ALD™) LWD Service

9½-inch Azimuthal Lithodensity (ALD™) LWD Service

Provides high-quality measurements of formation density and photoelectric (Pe) factor for reliable reservoir evaluation and formation images.

Quasar Trio® M/LWD Triple-Combo Service

Quasar Trio® M/LWD Triple-Combo Service

Enhances reservoir understanding in extreme-temperature (200°C/392°F) environments
Quasar Trio® M/LWD Triple-Combo Service
eChartBook™ – Environmental Correction Chart Calculator
An interactive application that includes charts for all of Halliburton's major LWD and wireline sensors, such as gamma ray, resistivity, density and neutron porosity.
Quasar Trio™ M/LWD Triple-Combo Service
Retrieve LWD triple-combo FE data of resistivity, density, and porosity in 200°C environments
SOLAR® Suite of MWD/LWD Service
Deliver exceptional MWD/LWD performance and accurate reservoir measurements under extreme-temperature downhole conditions

Logging-While-Drilling (LWD)

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Summary Summary Papua New Guinea: AFR™ Sensor Delivers High-Resolution Images in Geologically Complex Well Sign in required
Acquire high-resolution structural and stratigraphic borehole images in a complex geological environment.
Summary Summary Canada: Accurate Geosteering Helps to Precisely Position a Wellbore in a Cyclic Steam Application for Optimized Oil Recovery Sign in required
Geosteer a horizontal well for precise wellbore placement in the heavy oil reservoir, 2 meters (6.6 feet) above a lower shale boundary.
Summary Summary Canada: GABI™ Sensor Provides At-Bit Technology to Help Maximize Reservoir Exposure and Increase Drilling Efficiency Sign in required
While drilling horizontal wells in the Cardium formation in Alberta, Canada, NAL Oil and Gas Trust needed to keep the wellbore within a 2 meter (6.6 feet) thick zone of interest to help maximize reservoir exposure.
Summary Summary Ecuador: A Real-Time, Collaborative Environment to “Model, Measure and Optimize" Saves Petroamazonas Time and Doubles Production Sign in required
Petroamazonas wanted to position a well in the cleanest, most permeable portion of the reservoir and maximize reservoir contact by remaining in the “sweet spot” of the targeted sands.
Summary Summary Azerbaijan: Geo-Pilot® System Sets New Caspian Record Sign in required
BP needed to drill a well through a difficult section of formation well known to cause tool-damaging vibration.
Summary Summary Guf of Mexico: GeoTap® Tester Obtains Pressure at 7000 psi to Provide Understanding of Depleted Sand Reservoir Sign in required
Sperry provided a GeoTap tester that could work at up to 10,000 psi overbalance; this was combined with a M/LWD triple combo package and run with Sperry directional drilling services.
Summary Summary Thailand: Optimized Geosteering Solution Delivers Maximum Reservoir Exposure in Geometrically-Complicated Environment Sign in required
Precisely place two horizontal well bores without exiting the reservoir.
Summary Summary Thailand: SOLAR® M/LWD Services Used on Thousands of High-Temperature Wells in the Gulf of Thailand Sign in required
SOLAR® M/LWD Services Used on Thousands of High-Temperature Wells in the Gulf of Thailand
Summary Summary Kazakhstan: Sperry Drilling Services Performs First Operation with Slimhole Geo-Pilot® Rotary Steerable System and ADR™ Sensor Sign in required
Karachaganak Petroleum Operating B. V. (KPO) needed to drill a well located in the Karachaganak field, Kazakhstan, from a land rig into a hard limestone formation.
Summary Summary Venezuela: Petrocedeño, Venezuela, Uses InSite ADR™ Sensor and StrataSteer® 3D Service for Optimal Wellbore Placement Sign in required
Petrocedeño was able to steer the wellpath into the best reservoir target, reducing geological uncertainties, optimizing drilling operations and delivering an improvement in net pay.
Summary Summary Russia: Slimhole Resistivity Sensor Helps Invigorate Mature Field Sign in required
TNK-BP in Russia was looking to ncrease production from its mature Western Siberia oil fields. There was a pressing need for logging-while-drilling (LWD) resistivity tools that could help navigate to bypassed pockets of oil, however with 146-mm (5-3/4-inch) production casing already installed in most wells, a special slimhole LWD resistivity sensor was required.
Summary Summary Gulf of Mexico: Real–Time Density Imaging Guides Successful Single Run from Kick-off to TD in Horizontal Shale Well Sign in required
In this horizontal shale well application, the customer wanted to maintain wellbore placement within predefined zone(s), with the ability to quickly determine when faults were crossed so well plan changes could be made to stay in the correct bed boundary.
Summary Summary Gulf of Mexico: Sperry Combines ALD™ and DGR™ Sensor Data for Innovative Solution in Difficult GOM Deepwater Well Sign in required
In this deepwater well in the Gulf of Mexico, the customer began experiencing problems with the borehole after successfully drilling to the conventional core point of the main reservoir.
Summary Summary Gulf of Mexico: Sperry M/LWD Tools Perform in Environment Exceeding 30,000 psi Sign in required
Provide M/LWD tools capable of operating in the estimated 30,000 psi or higher pressure environment, drilling a 10,000 foot (3,048 meter) or longer salt section.
Summary Summary Haynesville Shale LA, USA: ExtremeHT-200™ M/LWD Sensors Help Operator Save Over US$145,000 Sign in required
An operator in the Louisiana Haynesville shale play required reliable and accurate measurement/logging-while-drilling (M/LWD) data while drillling horizontal wells in an extreme high temperature environment.
Summary Summary Gulf of Mexico: GeoTap® Formation Pressure Tester Saves Operator US $3 - 6 Million Sign in required
Sperry Drilling services recommended the GeoTap® formation pressure tester for real-time formation pressure measurements.
Summary Summary Canada, Alberta: Real-Time Geosteering Delivers Optimal Wellbore Placement in Thin Coal Reservoir Sign in required
An operator drilling a coalbed methane well in the Swan Hills area of Alberta, Canada needed to stay at the bottom of a thin reservoir to enable maximum production of methane gas. The reservoir was only 1.8 meters (6 feet) thick, and it was very important to place the well as low in the reservoir as possible without exiting.
Summary Summary Abu Dhabi: GeoTap® Tester Delivers Real-Time Pressure Helping ADCO Increase ROP by 20% Sign in required
ADCO required real-time confirmation of the predicted formation pressure while drilling a 6-inch horizontal hole in an Abu Dhabi oil field.
Summary Summary Papua New Guinea: AFR™ Sensor Delivers High-Resolution Images in Geologically Complex Well Sign in required
Acquire high-resolution structural and stratigraphic borehole images in a complex geological environment.
Summary Summary Mexico: Sperry Drilling’s New Data Compression Software Facilitates Geosteering Within Thin Reservoir while Significantly Reducing Drilling Time Sign in required
In this shale gas well in the Eagle Ford play in Mexico, the primary objective was to drill a horizontal well with maximum lateral exposure within the 10 feet (3 meters) thick production zone. The challenge was to stay in the relatively thin shale pay zone while maintaining an aggressive rate of penetration.
Summary Summary Angola: GeoTap® Formation Pressure Tester Delivers Quality Pressure Data While Saving Valuable Rig Time Sign in required
The operator needed to evaluate pressure for surveillance purposes and connectivity of the reservoir, but with hole inclination of 75 degrees and a high turn in the hole, wireline pressure testing was not an option.
Summary Summary Oman: StrataSteer® 3D Geosteering Service with the ADR™ Sensor Help Deliver Five Times More Production Sign in required
Drill a 900 meter (2,953 ft) lateral, maintaining well trajectory within the 3-5 meter (10-16 ft) thick complex reservoir.
Summary Summary Algeria: QBAT™ Multipole Sonic Sensor Replaces Wireline Run Sign in required
In this horizontal well in an Algerian gas field, the operator wanted to determine formation porosity and mechanical properties without using conventional neutron porosity tools with radioactive sources, because their use in the region is highly restricted.
Summary Summary West Africa: InSite AFR™ Sensor Delivers High-Resolution Images for Reservoir Fracture Characterization Sign in required
Acquire high-resolution borehole images while drilling the wells to characterize the fractures and rock texture in order to predict injector performance.
Summary Summary Brunei: Slim Hole GeoTap® Formation Pressure Tester Obtains Critical Pressures in Oversized Hole after Unsuccessful Deployment of Wireline Tools on Pipe Sign in required
After two unsuccessful attempts to deploy a wireline formation tester on pipe into openhole, the customer considered sidetracking this well in order to obtain pressure measurements that were essential to confirm gas reservoir volumes.
Summary Summary Gulf of Mexico: Comprehensive Halliburton Solution Includes World’s Deepest Formation Pressure Test in Deepwater Extended Reach Well Drilled around a Salt Structure Sign in required
In order to drill this deepwater extended reach well while acquiring formation pressures in the harsh environment, Sperry Drilling recommended a solution that combined the Geo-Pilot® rotary steerable system with quad combo formation evaluation sensors and GeoTap® formation pressure testing services.
Summary Summary Middle East: Remote Operating Centers Successfully Optimize Geosteering Efforts to Maximize Exposure in Extremely Thin Clastic Reservoir Sign in required
An operator drilling through complex shale and sand formations required accurate real-time information to navigate to a sandstone target zone of a mere three feet true vertical depth, sandwiched between two shale zones.
Summary Summary Egypt, Mediterranean: Halliburton Delivers Vertical Well in Deepwater High-Pressure High-Temperature Environment and Saves Customer over US $1.8 Million Sign in required
Sperry Drilling was approached by an operator to drill a vertical well in the deepwater, high-pressure high-temperature environment of the Mediterranean Sea, where maximum temperature and pressure were approximately 390° F (199° C) and 20,000 psi.
Summary Summary Canada: Accurate Geosteering Helps to Precisely Position a Wellbore in a Cyclic Steam Application for Optimized Oil Recovery Sign in required
Geosteer a horizontal well for precise wellbore placement in the heavy oil reservoir, 2 meters (6.6 feet) above a lower shale boundary.
Summary Summary Norway: Hydro Uses ADR Sensor for Optimal Well Placement Sign in required
InSite ADR® Sensor case history, Hydro, North Sea
Summary Summary Gulf of Mexico: Extended-Gauge Bit Coupled with Rotary Steerable System Allowed Interval Completion in One Run, Reducing Drilling Time Sign in required
ChevronTexaco needed to achieve extraordinary hole quality in order to obtain accurate data from logging-while-drilling (LWD) and wireline sensors.
Summary Summary Gulf of Mexico: QBAT™ Multipole Sonic Tool Eliminates Wireline Run to Identify Top of Cement in Deepwater Gulf of Mexico Sign in required
One operator challenged Sperry Drilling services to provide a means of identifying the top of cement in deepwater wells, without the costly and time-consuming wireline cement bond logging which greatly impedes deepwater drilling operations.
Summary Summary U.S, Louisiana, Gulf of Mexico: Stellar® LWD Suite Successfully Runs in High-Pressure Environment and Saves Operator $12 Million Sign in required
Two case histories: 1. Stellar® LWD Suite Successfully Runs in High-Pressure Environment and Saves Operator $12 Million 2. Stellar® LWD Suite Wipe Contradicts Existing Log and Saves Operator $170,000
Summary Summary Southern USA: AFR™ Sensor Delivers High-Resolution Imaging in Tight Gas Field Sign in required
The operator of a tight gas field sought to increase their reservoir understanding. However, wireline imaging tools were getting stuck in deviated wells in the heavily fractured formation.
Summary Summary Canada: GABI™ Sensor Provides At-Bit Technology to Help Maximize Reservoir Exposure and Increase Drilling Efficiency Sign in required
While drilling horizontal wells in the Cardium formation in Alberta, Canada, NAL Oil and Gas Trust needed to keep the wellbore within a 2 meter (6.6 feet) thick zone of interest to help maximize reservoir exposure.
Summary Summary Gulf of Mexico: ALD™ Sensor Provides High-Quality Formation Density Measurements in Challenging Low-Angle, Bi-Center Wellbore Sign in required
Two case histories: ALD™ Sensor Provides High-Quality Formation Density Measurements in Challenging Low-Angle, Bi-Center Wellbore and ALD™ Sensor Saves Operator $70,000 by Replacing Wireline
Summary Summary Gulf of Mexico: Sperry Drilling Configures MRIL-WD™ Sensor for Logging High Permeability Formations with Shorter Exposure Times Sign in required
In this reservoir evaluation application, Sperry Drilling services was challenged to provide a solution for distinguishing invading fluids of synthetic oil based mud (SOBM) and native hydrocarbons in high permeability formations with high exposure times.
Summary Summary Abu Dhabi: EWR-PHASE 4™ Sensor Saves Approximately $268,000 by Indicating Rock Quality Sign in required
The operator relogged the section with the EWR-PHASE 4 sensor in just nine hours because of its fast sampling rate, instead of the 24 hours it would have taken with the competitor's system.
Summary Summary Malaysia: Sperry Drilling Geosteering Solution Helps Reduce Costs and Increase Production with Precise Wellbore Placement Sign in required
The customer challenged Sperry Drilling services to provide a cost-effective solution that would facilitate geosteering in this difficult sandstone formation.
Summary Summary Middle East / Canada: Sperry Drilling Performs First StrataSteer® 3D Geosteering Service Job in the Middle East Sign in required
Two case histories: 1. Sperry Drilling Performs First StrataSteer® 3D Geosteering Service Job in the Middle East 2. StrataSteer® 3D Geosteering Service Eliminates Shale Contact and Saves Drilling Time
Summary Summary Malaysia / GOM / Norway: GeoTap®/Geo-Pilot® Malaysia/GOM/Norway Solution Profile Sign in required
Three case histories: 1. GeoTap Formation Tester Allows Torque Reduction While Dramatically Improving ROP 2. GeoTap® Slimhole LWD Formation Tester and Geo-Pilot® Rotary Steerable System Get Pressure Answers In High-Risk Sidetrack 3. GeoTap® Tester Increases Reservoir Section and Adds $13 Million of New Oil Production
Summary Summary USA, Alaska: Geo-Pilot® Rotary Steerable Systems Help Deliver Extended Reach Well 8.3 Days Ahead of Schedule Sign in required
Drill an extended reach well targeting a section of reservoir originally designed to be reached from a drilling pad yet to be constructed.
Summary Summary Maylasia: Operator in Malaysia Saves US$166,200 with the GeoTap® Plus Formation Pressure Tester Sign in required
Accurate real-time formation pressure data allowed increased drilling rates and reduced rig time, helping the operator save an estimated US$166,200 in operating costs.
Summary Summary Malaysia: Optimized Drilling Solution Key in Guiding Record-Length Horizontal Hole to Difficult Target Sign in required
The primary challenge in this well was drilling a transition zone while remaining eight meters (26 feet) above the oil/water contact (OWC) and five meters (16.5 feet) below OWC.
Summary Summary Middle East: Middle Eastern Oil Company Saves $450,000 Field Testing the InSite AFR™ Sensor Sign in required
By eliminating unnecessary runs, use of the InSite AFR sensor in three horizontal wells saved about nine days of rig time worth approximately $450,000. Also the sensor clearly revealed numerous geologic features.
Summary Summary Mexico: Geo-Pilot® System and GeoTap® Slimhole Tester Get Pressure Answers In High-Risk Gulf of Mexico Sidetrack Sign in required
Four case histories: 1. Geo-Pilot® System and GeoTap® Slimhole Tester Get Pressure Answers In High-Risk Gulf of Mexico Sidetrack 2. Geo-Pilot® System and GeoTap® Pressure Tester Add $13 Million of New Oil Production 3. Geo-Pilot® System Adds Value, Saving Operator $536,000 4. Longest Single 12-1/4-Inch Geo-Pilot® System Run in Nigerian Field Saves Operator $400,000
Summary Summary Oilfield Technology: M/LWD Q&A Sign in required
2017 Oilfield Technology M/LWD Q&A article discusses the applications and benefits of the Radian™ Service and 9 1/2-inch ALD™ Service
Summary Summary Oman: In soft formation, Geo-Pilot® Dirigo™ 7600 RSS drills three complex legs in one run, saving operator 32.5 hours and US$40,000 Sign in required
In a development field with a soft formation, an operator needed a solution to drill a horizontal well in three “fork-type” legs with two openhole sidetracks in one run.
Summary Summary Oman: SOLAR Quad-Combo Saves 2-3 Days in HPHT wells Sign in required
In Oman, the operator of two high-temperature land gas wells wanted wireline-quality logs without the time and expense of wireline operations.
Summary Summary Oklahoma, USA: GABI™ Motor Solution Geosteers Exploration Well to Critical Coring Point Sign in required
Due to the short sensor-to-bit distance of the GABI motor, Sperry Drilling was able to locate and select a formation top that had previously been drilled through using other tools, precisely placing the wellbore at TD in the exact position the customer wanted.
Summary Summary Gulf of Mexico: Geosteering Solution Successfully Lands Wellbore in Difficult Section, Saving Operator USD 600,000 Sign in required
In a deepwater (water depth of over 7,000 ft (2,134 m)) location in the Gulf of Mexico, an operator was struggling to see the approaching reservoir top during the landing section.
Summary Summary Mexico: Pemex optimizes a mature field well that is now producing three times more than nearby offset wells Sign in required
Pemex needed sonic data to calculate the mechanical properties of the reservoir in a mature field in Mexico to determine the best zones to fracture in the Jurassic Oxfordian sand formation.
Summary Summary USA, Alasaka: Sperry Drilling’s XBAT™ Azimuthal Sonic and Ultrasonic Logging-While-Drilling Service Help Stabilize Formation in Well Sign in required
In this well, drilled on a man-made island in the Beaufort Sea of Alaska, the operator’s primary objective was to log cement behind casing. Historically, well inclinations as high as 80 degrees in applications in this area create cementing challenges including micro-annulus, channeling, and fluid losses. In these high inclination wells, typical logging tools with two receiver arrays 180 degrees apart were unable to provide sufficient indication of the orientation of the azimuthal view of the casing and thus, no confirmation of where problems occurred.
Summary Summary Oklahoma, USA: First 6-3/4-inch GABI™ Motor Trial in USA Demonstrates Real-Time Value Drilling Shale Well Sign in required
The operator realized the value in knowing wellbore reactions closer to the bit provided real-time inclination updates, an improvement over previous jobs with data from sensors positioned further away from the bit. In addition, they were pleased that the GABI motor delivered the at-bit information even while sliding the motor, with no additional down time usually experienced with other imaging sensors while wiping through slides.
Summary Summary Norway: Operator saves at least two days by running XCAL™ LWD caliper tool to determine hole quality and proper cement calculations Sign in required
To develop an offshore well in Norway, an operator needed to perform proper cement calculations, confirm that the hole was properly reamed, and evaluate packer placement for completion.
Summary Summary Nigeria: XBAT™ Azimuthal Sonic and Ultrasonic LWD Service Delivers Real-Time Shear and Compression Data to Help Stabilize Shale Formation in Deepwater Well Sign in required
An operator in Nigeria drilling a shale well in 3,827 feet (1,666 meters) of water encountered issues in determining the actual minimum mud weights needed to maintain stability of the formation.
Summary Summary Kazakhstan: First Complete Wireline Replacement in Kazakhstan Sign in required
Explore alternative means to acquire the well information while reducing rig time and eliminating multiple logging runs.
Summary Summary UK: Operator improves reservoir understanding in a complex-fracture horizontal well in hard-rock granite basement Sign in required
In an offshore well in the United Kingdom (UK), the operator wanted to perform an evaluation of a complex-fracture horizontal well in a hard-rock granite basement. It was critical to identify faults, along with large and small fractures, in order to determine if the reservoir was economically viable to produce.
Summary Summary USN-Canada: Operator improves reservoir exposure to 100% with innovative Sperry Drilling geosteering solution despite hole-size challenge Sign in required
With a drilling program of multiple unconventional wells, an operator in Alberta, Canada has been searching for a solution to improve the economic viability of its assets to a lower cost per BOE.
Summary Summary GOM: An operator saved an estimated US$500,000 by staying completely within the target window Sign in required
An operator in the Gulf of Mexico wanted to increase production and recovery in a mature field, but was faced by two main challenges.
Summary Summary Angola: QBAT™ LWD Tool Delivers Reliable Compressional Sonic Data in Fast Pre-Salt Formation, Eliminating Need for Wireline Logging in High-Cost Deepwater Environment Sign in required
In up to 2,000 meters (6,560 feet) of water, offshore Angola, oil companies are exploring the potential of the pre-salt environment which overlays carbonates and sandstone but is primarily hard rock. Typically when logging such “fast” formations, where shear velocity is faster than the compressional velocity of the fluid in the borehole, timeconsuming wireline logging is needed because logging-while-drilling (LWD) sonic tools cannot always acquire reliable compressional sonic data.
Summary Summary Mexico: QBAT™ sensor helps Pemex to achieve sonic data in large 26 inch complicated soft-formation well Sign in required
In an exploratory well in the Akal field of Mexico, one of the main objectives of Pemex was to obtain reliable, high quality LWD information while drilling a 26-inch hole in a difficult soft formation.
Summary Summary Gulf of Mexico: GABI™ Motor Provides Superior At-Bit Technology for Real-Time Geosteering on GOM Continental Shelf Sign in required
The 4,952-foot (1,509-meter) hole section was delivered as planned in a single run (eliminating additional BHA changes), drilling 100 percent of the target sand. The interval was drilled in 43.5 drilling hours with an average rate of penetration of 114 feet per hour.
Summary Summary Middle East: Operator Gathers Valuable Formation Features with the Only Service in Larger Hole Sizes Sign in required
Due to a lack of seismic data in a challenging remote location offshore in the Middle East, an operator was drilling several deepwater pilot holes for gas exploration in order to gain as much information as possible for well correlation and to gather insight into understanding the geological structure and depositional environment.
Summary Summary Papua New Guinea: AFR™ Sensor Helps Major Operator Isolate Problematic Shale Formation, Saving Valuable Rig Time Sign in required
In the Antelope field, Total needed to accurately pick the 9-5/8-inch casing point in the uppermost portion of a fractured carbonate reservoir above a total loss transition zone, while being able to isolate the reactive and over-pressurized shale above the reservoir.
Summary Summary South East Asia: Quasar Pulse℠ M/LWD service saves customer approximately USD 1 Million Sign in required
An operator wanted to reduce costs and achieve logging objectives on high-temperature wells drilled from a jack up rig in 243 feet (74 meters) of water, offshore South East Asia, where bottomhole temperatures are among the highest in the world.
Summary Summary Middle East: Geo-Pilot® XL 5200 System Delivers First Single-Run Lateral in Middle East Field While Reducing Drilling Time By 3.9 Days Sign in required
Sperry Drilling’s geosteering solution combined advanced technology, tools and talent in a comprehensive approach.
Summary Summary U.K. Offshore: Operator Saves Significant Rig Time by Gathering Complete Formation Evaluation Data in Real Time Sign in required
In an offshore U.K. well, an operator needed to obtain a complete formation evaluation (FE) data set to measure reservoir and overburden characteristics in a deviated well.
Summary Summary Oman: Operator Proves Cost Savings With LWD High-Resolution Imaging Service Sign in required
Borehole imaging is one of the most rapidly advancing technologies in wireline logging and logging while drilling (LWD). In an onshore horizontal well in Oman, an operator needed more details of the geology in the reservoir in order to gain a better understanding of the distribution of faults, natural fractures, borehole breakouts, and drilling-induced fractures along the well path.
Summary Summary North Sea, Norway: Operator Successfully Runs 5 ¾-inch Slim-Hole Drilling Operation with Geo-Pilot® RSS System Sign in required
In a mature field on the Norwegian Continental Shelf of the North Sea, an operator had attempted twice to drill a new extended-reach drilling (ERD) wellbore with a 2.05 measured depth (MD) to true vertical depth (TVD) ratio that resulted in the bottomhole assembly (BHA) becoming lost in hole above the reservoir.
Summary Summary Middle East: New GeoTap® Formation Pressure Tester Pad Design Yields Zero Failures, Zero Nonproductive Time during Formation Testing While Drilling Extended Reach Wells Sign in required
Sperry Drilling services was contracted to drill offshore wells in the Middle East region where the customer required formation pressure points to be taken approximately every 200 feet (61 meters) while drilling the 6-1/8-inch hole sections of multiple extended reach wells. Sperry Drilling ran the GeoTap® formation pressure tester, which extends a test pad against the borehole wall to measure formation pressure, but soon recognized the standard pad design was not ideal in the harsh drilling environment. To address the need for a pad for use in harsher environments, Sperry Drilling responded by designing and introducing a more durable and robust pad design that immediately enabled the GeoTap tester to obtain the pressure samples needed without trips for failure and with zero associated nonproductive time (NPT).
Summary Summary Venezuela: ADR™ sensor geosteers and places the wellbore entirely in the "sweet spot" with better reservoir properties Sign in required
In a complex environment in Venezuela, a conventional well presented a challenge for optimal well placement because of changes in the lateral facies, creating high stratigraphic uncertainty.
Summary Summary Middle East: AFR™ Guides Horizontal Wellbore Within Two-Foot Narrow Target Zone And Saves $1.25 Million Per Lateral Sign in required
Harsh desert conditions of a mature field in a remote Middle East location were only part of the challenge this operator faced in planning a horizontal well through a fractured carbonate formation.
Summary Summary Texas, USA: GABI™ Motor Helps Deliver Well 100 Percent in Target Zone Sign in required
While drilling the 7,500-foot (2,286-meters) horizontal section of a 14,000-foot (4,267.2-meters) well in the Wolfcamp Shale in west Texas, the customer faced a 2,000-foot (609.6-meters) section with a slight anticline in the middle. Starting at about 9,300-feet (2,834.6-meters) measured depth (MD), the target zone sloped upwards from 6,000-feet (1,828.8-meters) true vertical depth (TVD) to 5,900-feet (1798.32-meters) TVD, and back down again to 6,000-feet (1,828.8-meters) TVD. Previous attempts at drilling this zone had resulted in breaking out of the top of the target formation, and losing hundreds of feet of productive interval. Additionally, this zone needed to be drilled smoothly to aid in running casing for completion.
Summary Summary Mexico: GeoTap® Service Saves Pemex Approximately US$2 Million by Determining Correct Casing Point Sign in required
Offshore Mexico, Pemex was drilling a deepwater oil-producing well in the Maximino field and needed to measure formation pressure to calibrate the geomechanical model in order to properly set a 9-7/8-in. casing shoe.
Summary Summary GOM: Using GeoTap® LWD Formation Pressure Tester, Operator Saves Estimated USD 2 Million Sign in required
A major operator in deepwater Gulf of Mexico needed to replace a failed water injector well to support a maturing field, which was having subsidence and well integrity problems due to a lack of water drive support.
Summary Summary Mexico: ADR Guides Geosteering Service to Drill for the First Offshore Horizontal Well to Increase Production in a Particular Field in Mexico Sign in required
Seeking to increase production from its mature operating fields by incorporating commercial production of light hydrocarbons, Pemex planned to drill the first horizontal well in this particular offshore field in Mexico.
Summary Summary Oklahoma, USA: GABI™ Motor and StrataSteer® 3D Service Provide Real-Time Geosteering Solution for Successful Well Placement in Critical Thin Bed Horizontal Sign in required
While drilling the 4,000-foot horizontal section of a 10,000-foot well in the Mississippi Lime near Alva, Oklahoma, the customer needed to maximize exposure to the 15-foot thick target formation and totally avoid the bounding shale above. Drilling into the shale above would introduce wellbore stability issues, and force the operator to sidetrack. Additionally, the operator needed to minimize the cost of the well while staying in zone. Previous attempts at drilling this zone had resulted in breaking out of the target formation, and having to pull back and sidetrack the well.
Summary Summary Ecuador:Operator Saves a Well from Abandonment in Problematic Field Sign in required
Operaciones Rio Napo, an operator in Ecuador, was drilling a difficult wellbore section with multiple formation changes consisting of interbedded shales, limestones, and sandstones.
Summary Summary Gulf of Mexico: New LWD Density Service Saves Operator USD 1 Million Sign in required
During a subsalt deepwater project (water depth of over 5,200 ft (1,585 m)) in the Gulf of Mexico, an operator faced significant uncertainties in the geological model below a salt section. In this area, it is often difficult to acquire good-quality seismic images due to attenuation of seismic signals by the overlying salt formations.
Summary Summary Mexico: Operator Saves Time USD 7.5 Million in Deepwater Rig Time by Acquiring Crucial Formation Evaluation Data in Real Time Sign in required
An operator on a deepwater well had recently issued an internal mandate seeking opportunities to reduce the authorizations for expenditure (AFEs) associated with drilling its oil and gas exploration and development projects.
Summary Summary USA, North Dakota Bakken: Operator Achieves More Accurate Wellbore Placement Using a New Azimuthal Gamma Ray Service Sign in required
An operator in North Dakota’s Middle Bakken shale formation sought a solution that would enable effective drilling and geosteering in a formation with little gamma ray variation, while minimizing drilling costs.
Summary Summary LWD Log Interpretation Charts Sign in required
This document provides an insight into the sensitivity of LWD measurements to changes in the borehole environment and the impact that this has on the evaluation of a reservoir.
Summary Summary Norway: Sperry Drilling Uses Real-Time Technologies to Remotely Operate Offshore Rigs Sign in required
Sperry Drilling services used real-timetechnologies and innovativework methods to relocate traditionaloffshore tasks onshore, reducingoffshore workload.
Summary Summary HP/HT: 6. Total
Halliburton continues to push the limits of HP/HT technologies and processes for increasing efficiency, recovery, safety and reliability
Summary Summary HP/HT: 3. Definition
UltraHT-230 redefines the standard, reliably taking operators to the next level
Summary Summary HP/HT: 1. Overview
Ultra High Temperature - the next fontier for oil and gas exploration
Summary Summary Geo-Span Downlinking System Animation
Animation
Summary Summary ADR™ Azimuthal Deep Resistivity
ADR Azimuthal Deep Resistivity Animation
Summary Summary HP/HT: 2. Rethinking
UltraHT-230 M/LWD sensors
Summary Summary Quasar Trio® M/LWD Triple-Combo Service - Thailand R&M Facility Video
Learn the benefits of this service and take a quick tour of the R&M facility. (No audio.)
Summary Summary HP/HT: 5. Depth
UltraHT-230 sensors help make drilling less perilous, more productive and more cost effective than ever before
Summary Summary HP/HT: 4. Testing
UltraHT-230 sensors tested for conditions well beyond anything available today
Summary Summary AFR™ Azimuthal Focused Resistivity Sensor
AFR™ Azimuthal Focused Resistivity Sensor Animation
Summary Summary Radian® Azimuthal Gamma Ray and Inclination Service
The Radian® azimuthal gamma ray and inclination service provides a cost-effective solution to geosteering challenges.
Summary Summary EarthStar™ Ultra-Deep Resistivity Service - Sales Data Sheet
The EarthStar™ ultra-deep resistivity service illuminates and maps reservoir and fluid boundaries more than 200 feet (61 meters) from the wellbore. In deepwater and mature fields, this technology helps operators to maximize asset values and plans for future field developments by mapping pockets of hydrocarbons, allowing for real-time steering decisions, and eliminating costly pilot holes and sidetracks.
Summary Summary GeoTap Formation Pressure Tester
Providing Direct Formation Pressure Measurements on Demand
Summary Summary 9-1/2-inch ALD™ Azimuthal Lithodensity LWD Service
The 9-1/2-inch ALD™ azimuthal lithodensity logging-while-drilling (LWD) service from Halliburton is the industry’s first and only service capable of delivering azimuthal density and ultrasonic caliper measurements in real time in deepwater boreholes ranging from 14-1/2 inches to 17-1/2 inches.
Summary Summary Quasar Trio® M/LWD Triple-Combo Service
The Quasar Trio® M/LWD triple-combo service comprises optional resistivity, azimuthal density, and neutron porosity sensors, which can be added to the required Quasar Pulse™ service collar to provide a complete formation-evaluation service at temperatures up to 200°C (392°F and pressures up to 172 MPa (25,000 psi).
Summary Summary E&P Magazine - 2018 Offshore Technology Yearbook
Offshore Technology Aims at Lowering Breakeven Economics
Summary Summary Oilfield Technology: M/LWD
This article discusses the applications and benefits of the Radian™ Service and 9 1/2-inch ALD™ Service.
Summary Summary M5™ Integrated LWD Service
Formation Evaluation and Drilling Optimization in One Compact Collar
Summary Summary Geo-Span® Downlink Service
Communicate with downhole tools without impacting drilling
Summary Summary Quasar Pulse M/LWD Service
The Quasar PulseSM measurement/logging-while-drilling (M/LWD) service delivers exceptional performance even at extreme temperatures, providing accurate and timely reservoir measurements for precise wellbore placement.
Summary Summary EWR®-PHASE 4™ Electromagnetic Wave Resistivity Sensor
EWR®-PHASE 4™ sensor is a high-frequency LWD induction resistivity sensor.
Summary Summary MRIL-WD™ Magnetic Resonance Imaging Sensor
Bound fluid, free fluid and total porosity in real time while drilling
Summary Summary ADR™ Azimuthal Deep Resistivity Sensor
The ADR azimuthal deep resistivity sensor combines a deep-reading geosteering sensor with a traditional multifrequency compensated resistivity sensor.
Summary Summary ABG™ At-Bit Gamma Sensor
At-bit gamma sensor
Summary Summary GeoTap IDS Datasheet
GeoTap IDS Datasheet
Summary Summary ALD™ Azimuthal Lithodensity Sensor Datasheet
Providing High-Quality Density Measurements and Formation Images
Summary Summary XBAT™ Azimuthal Sonic and Ultrasonic LWD Service
The XBAT LWD service delivers accurate acoustic measurements in a wide range of formations via sensors and electronics.
Summary Summary QBAT™ Multipole LWD Sonic Tool
Delivering Accurate Acoustic Measurements in the Widest Range of Formations
Summary Summary CTN™ Compensated Thermal Neutron Sensor
Identifying Complex Lithologies and Gas
Summary Summary DGR™ Dual Gamma Ray Sensor
Providing Accurate and Reliable LWD Natural Gamma Ray Logs
Summary Summary AFR™ Azimuthal Focused Resistivity Sensor
The AFR™ sensor from Sperry Drilling services delivers high-resolution LWD borehole imaging for improved production, more accurate reserve estimates and better reservoir structure understanding.
Summary Summary GABI™ Downhole Drilling Motor
Motor equipped with at-bit azimuthal gamma ray and inclination measurements for improved geosteering and optimum wellbore placement
Summary Summary 3D Geosteering Enhances Reservoir Understanding in Complex Stratigraphic Environment
The Sperry Drilling “drill-to-produce” solution enabled the operator to accurately placethe well in the sweet spot and extend the lateral section for maximum reservoir contact.
Summary Summary World's First Extreme-High-Temperature LWD Triple-Combo Run
With extreme bottomhole static temperatures approaching 392°F (200°C), some of the wells in the Gulf of Thailand are among the hottest in the world – far beyond the reach of conventional measurement-while-drilling/logging-while-drilling(M/LWD) tools.
Summary Summary TOTAL S.A. Drills to Record Depths in HP/HT Well and Saves USD 5 Million
Engineered MWD/LWD solution delivers reliable measurements in extreme temperature environment
Summary Summary Petroboscan Obtains Real-Time Formation Pressure Data and Extends Production in a Mature Field
Sperry Drilling collaborated with the operator and providedreservoir insight and LWD expertise on reliable formationpressure measurement capabilities using its GeoTap® LWD formation tester service.
Summary Summary Operator Maximizes Asset Value in Extreme-High-Temperature Wells
Quasar Trio® M/LWD Triple-Combo service reduces well time in 24-slot platform operation.
Summary Summary Operator Drills Gulf of Thailand’s Longest Openhole Production Section...
Quasar Trio® M/LWD Triple-Combo Service reduces well time in extreme-temperature well
Summary Summary EarthStar™ Ultra-Deep Resistivity Service - (Russian)
The EarthStar™ ultra-deep resistivity service illuminates and maps reservoir and fluid boundaries more than 200 feet (61 meters) from the wellbore. In deepwater and mature fields, this technology helps operators to maximize asset values and plans for future field developments by mapping pockets of hydrocarbons, allowing for real-time steering decisions, and eliminating costly pilot holes and sidetracks.
Summary Summary Operator Identifies Bypassed Pay and Increases Pay Zone by 50% in Water-flooded Reservoir
Earthstar™ Ultra-Deep Resistivity Service Maximizes Asset Value in Mature Carbonate Field
Summary Summary High-temperature drilling and completions in the Haynesville Shale
Continuous improvements helped oil company double production from high-temperature wells
Summary Summary AFR™ Azimuthal Focused Resistivity Sensor
Delivers high-resolution resistivity images for identifying dip, fractures, and borehole breakout. It also provides omni-directional, laterolog-type resistivity data, electrical images of the formation, and at-bit resistivity (ABR) measurements.
Summary Summary 9½-inch ALD™ Azimuthal Lithodensity Logging-While-Drilling (LWD) Service
The 9-1/2-inch ALD™ Azimuthal Lithodensity Logging-While-Drilling (LWD) service from Halliburton is the industry’s first and only service that delivers high-quality azimuthal density and ultrasonic caliper measurements in real-time for deepwater boreholes ranging from 14-1/2 inches to 17-1/2 inches.
Summary Summary ADR™ Azimuthal Deep Resistivity Sensor
Provides deep reading resistivity up to 18 feet (5.5 meters) into the formation – over 2,000 unique measurements for both precise wellbore placement and more accurate petrophysical analysis
Summary Summary Density Logging
These tools measure the formation density. Porosity and matrix and fluid densities can be estimated.
Summary Summary EWR®-PHASE 4 Resistivity Sensor
Delivers excellent vertical resolution in low-resistivity, thinly-bedded formations in boreholes from 3-3/4 to 30 inches.
Summary Summary Resistivity Logging
Resistivity is the ability of a substance to impede the flow of an electrical current. This is a very important rock property in formation evaluation as it helps to differentiate between formations filled with salty waters (good conductors of electricity) and those filled with hydrocarbons (poor conductors of electricity).
Summary Summary Nuclear Magnetic Resonance (NMR)
These tools impose an external magnetic field in the formation and make a measurement that is proportional to the porosity, regardless of lithology.
Summary Summary CTN™ Compensated Thermal Neutron Sensor
LWD neutron porosity tool provides accurate formation porosity, fluid typing and lithology (in combination with density). Larger tools also feature an acoustic caliper, used to correct the neutron porosity measurement for borehole effects and to provide measurements of borehole size.
Summary Summary Neutron Logging
Through sensitivity to hydrogen in the formation, these tools can provide the formation fluid-filled porosity.
Summary Summary Testing and Sampling
Additional information that can aid in formation evaluation is actual samples of the reservoir fluids and pressures in the formation.
Summary Summary MRIL®-WD™- Sensor
LWD tool provides a direct measurement of the reservoir's total porosity while drilling in hole sizes up to 10 5/8 inches.
Summary Summary Borehole Imaging
High resolution images of the borehole can be used to identify a variety of geological attributes such as structural dip, faults and fractures.
Summary Summary M5™ Integrated LWD Service
Innovative, disruptive technology that maps reservoir and fluid boundaries more than 200 feet (60 meters) from the wellbore – over twice the depth of investigation of current industry offerings.
Summary Summary XBAT™ Azimuthal Sonic and Ultrasonic LWD Service
LWD sonic tool with multipole transmitters and four azimuthal receiver arrays along with a 4-pinger acoustic caliper.
Summary Summary Acoustic / Rock Mechanics
When sonic pulses are introduced into the reservoir, the time taken to travel between fixed points can be measured.
Summary Summary DGR™ Dual Gamma Ray Sensor
Providing accurate and reliable LWD natural gamma ray logs
Summary Summary Gamma Logging
Measurement of the natural gamma rays emitted by various elements in the formation. Gamma ray logs are helpful for quantifying shaliness, well-to-well correlation, depth correlation between open- and cased-hole logs, and for correlation between logging runs.
Summary Summary ABG™ At-Bit Gamma Sensor
Real-time geosteering with the Geo-Pilot® rotary steerable system
Summary Summary Radian® Azimuthal Gamma Ray and Inclination Service
The Radian® azimuthal gamma ray and inclination service provides high-quality borehole images for geosteering, and precise gamma-ray measurements for reservoir evaluation.
Summary Summary Quasar Pulse Extreme-Temperature M/LWD Service
Integrated LWD service for high-temperature operation, up to 200°C (392°F), providing gamma ray, directional survey, borehole pressure and drill-string vibration measurements.
Summary Summary eChartBook™ – Environmental Correction Chart Calculator
An interactive application that includes charts for all of Halliburton's major LWD and wireline sensors, such as gamma ray, resistivity, density and neutron porosity.
Summary Summary GeoTap® Sensor
LWD formation tester obtains real-time direct pore pressure measurements.
Summary Summary Quasar Trio™ M/LWD Triple-Combo Service
Retrieve LWD triple-combo FE data of resistivity, density, and porosity in 200°C environments
Summary Summary Logging-While-Drilling (LWD)
Halliburton delivers the highest quality borehole, early and accurate Logging-While-Drilling (LWD) formation evaluation, optimal wellbore placement, and maximum reservoir drainage. We continue to lead the industry with the widest array of MWD/LWD technologies.
Summary Summary SOLAR® Suite of MWD/LWD Service
Deliver exceptional MWD/LWD performance and accurate reservoir measurements under extreme-temperature downhole conditions
Summary Summary QBAT™ Multipole LWD Sonic Tool
Multipole LWD acoustic service capable of delivering accurate shear and compressional velocity measurements up to 175C.
Summary Summary EarthStar™ Ultra-Deep Resistivity Service
Innovative, disruptive technology that maps reservoir and fluid boundaries more than 200 feet (60 meters) from the wellbore – over twice the depth of investigation of current industry offerings.
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Oilfield Technology: M/LWD
This article discusses the applications and benefits of the Radian™ Service and 9 1/2-inch ALD™ Service.