Geosteering Services

Dynamic, interactive and intuitive geosteering is the key to accurate wellbore positioning - and Halliburton has the innovative technologies, applications and people to help point you in the right direction at your wellsites.

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.

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.
GABI™ Downhole Drilling Motor
Sperry Drilling’s GABI™ motor is equipped with a GABI™ sensor providing at-bit azimuthal gamma ray and inclination measurements for improved geosteering and optimum wellbore placement.
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.
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
StrataSteer® 3D Geosteering Service
StrataSteer 3D is the heart of our wellbore positioning service, crucial to placing a well, especially in smaller targets that often require complex well paths and more accurate wellbore positioning.
ABG™ At-Bit Gamma Sensor
Real-time geosteering with the Geo-Pilot® rotary steerable system
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.
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.

Geosteering Services

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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: Slimhole GeoPilot® System and StrataSteer® 3D Service Help Save Nine Days of Operational Time and Double Production from Well Sign in required
An operator in Ecuador needed to drill a sidetrack after the loss of a well that had been drilled with conventional directional drilling tools.
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 Canada, Alberta: Real-Time Geosteering Delivers Precise Horizontal Wellbore Placement in Heavy Oil Sands Sign in required
To capture maximum reserves in the Primrose field of northern Alberta, Canada, an operator had resorted to “tagging the shale” bottom to position horizontal wells as close as possible to the base of the reservoir. The result was often a drill bit stuck in the shale, and either poor wellbore placement and lost reserves, or having to pull back and re-drill the section.
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 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 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 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 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 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 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 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 Malaysia: Geo-Pilot® XL System and StrataSteer® 3D Geosteering Service Help Save US$ 812,000 in a Thin Sand Reservoir Sign in required
Geo-Pilot® XL System and StrataSteer® 3D Geosteering Service Help Save US$ 812,000 in a Thin Sand Reservoir
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: 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 LithoFact® Rock Analysis Service Sign in required
Whole-rock analysis for reservoir insight, precise stratigraphic placement, and maximum reservoir contact
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 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 Egypt: Geo-Pilot® Dirigo Rotary Steerable System Delivers High Build Rate Well Profile and Saves Operator Five Days of Rig Time Sign in required
In the NRQ area of Egypt, Khalda Petroleum Company planned to drill a horizontal well targeting the Coarse Dolomite zone of the A/R “G” formation in the North Ras Qattara field. Because NRQ wells typically encounter severe changes in formation dipping while changing well direction, the primary challenge in this case would be the 8 ½-inch hole section. The plan was to land the well with an 87 degree inclination and turn the azimuth from 177 degrees to 132 degrees with continuous dogleg severity (DLS) of 5.8 degrees per 100 feet.
Summary Summary China: Geo-Pilot® Dirigo RSS Delivers Record-Setting Run in Tarim Basinsaving Three Days of Rig Time Sign in required
Precise Geosteering through Thin Target Zones Delivers 98% Reservoir Exposure
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 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 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 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 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 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: 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 Saudi Arabia: Sperry Drilling DES Geosteering Solution Successfully Guides Well in 5-Ft Window Without Any Exits Sign in required
An operator in Saudi Arabia sought to geosteer a development well in a carbonate reservoir for optimal placement and production.
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 Middle East: Geosteering Solution Delivers Record Performance, Cuts Seven Days from Lateral Well, Saving Customer an Estimated $400,000 Sign in required
In this mature field, the customer planned to drill a lateral well located inside a restricted area. The plan was to drill the build section in 8-½-inch to land the well in the limestone “A” reservoir. Then, in the 6-1/8-inch section, to steer the lateral section inside both the “A” and “B” reservoirs. Specifically, the customer required geosteering to drill the “A” reservoir for 1,500 feet, then drop angle and enter the “B” reservoir, building to horizontal then holding angle to drill the remaining 900 feet inside the “B” reservoir.
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 9 ½-inch ALD™ Azimuthal Lithodensity Logging-While-Drilling (LWD) Service Product Announcement
Sperry Drilling announces the release of the 9-1/2-inch Azimuthal Lithodensity (ALD™) service, providing real-time density measurements and images in boreholes up to 17-1/2 inches.
Summary Summary ADR™ Azimuthal Deep Resistivity
ADR Azimuthal Deep Resistivity Animation
Summary Summary 9½-inch ALD™ Azimuthal Lithodensity Logging-While-Drilling (LWD) Service OTC Award
The 9½-inch ALD™ Azimuthal Lithodensity Logging-While-Drilling (LWD) service features high-quality measurements of formation density and photoelectric (Pe) factor for reliable reservoir evaluation.
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 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 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 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 RoxC™ Geosteering Software Demonstration
Demonstration of RoxC™ geosteering software for real-time reservoir insight.
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 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 GABI™ Downhole Drilling Motor
Sperry Drilling’s GABI™ motor is equipped with a GABI™ sensor providing at-bit azimuthal gamma ray and inclination measurements for improved geosteering and optimum wellbore placement.
Summary Summary Geosteering Services
Sperry Drilling geosteering services utilize an iterative process combined with innovative technologies, applications, and people to improve reservoir deliverability through optimal wellbore positioning.
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 StrataSteer® 3D Geosteering Service
StrataSteer 3D is the heart of our wellbore positioning service, crucial to placing a well, especially in smaller targets that often require complex well paths and more accurate wellbore positioning.
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 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.
Related Information

Related Information Дополнительная информация