Resistivity Logging

Discover a well’s most productive zones with resistivity logging services

Recording what’s below the subsurface can help you identify where hydrocarbons are located in your reservoir. Resistivity logging-while-drilling (LWD) tools gather data to determine which formations are filled with water (good conductors of electricity) and those filled with hydrocarbons (poor conductors of electricity). The combination of resistivity logs and porosity measurements aids in estimating water or oil saturation, and evaluating the producibilty of the formation.

Sperry Drilling LWD resistivity tools offer different types of resistivity sensors to accurately detect variations in resistivity around the borehole, from a few inches (centimeters) to hundreds of feet (meters) away. This allows you to safely and confidently navigate and geosteer through complex geologic structures, while maximizing exposure of the well to the most productive zones.

EWR®-PHASE 4 Resistivity Sensor
Delivers excellent vertical resolution in low-resistivity, thinly-bedded formations in boreholes from 3-3/4 to 30 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
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.
Quasar Trio™ M/LWD Triple-Combo Service
Retrieve LWD triple-combo FE data of resistivity, density, and porosity in 200°C environments
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.
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.

Resistivity Logging

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  TitleНазвание  DateДата
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 Geo-Span® Downlink Service
Communicate with downhole tools without impacting drilling
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 M5™ Integrated LWD Service
Formation Evaluation and Drilling Optimization in One Compact Collar
Summary Summary EWR®-PHASE 4™ Electromagnetic Wave Resistivity Sensor
EWR®-PHASE 4™ sensor is a high-frequency LWD induction resistivity sensor.
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 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 ADR™ Azimuthal Deep Resistivity
ADR Azimuthal Deep Resistivity Animation
Summary Summary AFR™ Azimuthal Focused Resistivity Sensor
AFR™ Azimuthal Focused Resistivity Sensor Animation
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 EarthStar™ Ultra-Deep Resistivity Service
The EarthStar™ ultra-deep resistivity service illuminates and maps reservoir and fluid boundaries more than 200 feet (61 meters) from the wellbore.
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 Malaysia: Optimized Drilling Solution Key in Guiding Record-Length Horizontal Hole to Difficult Target
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 Papua New Guinea: AFR™ Sensor Helps Major Operator Isolate Problematic Shale Formation, Saving Valuable Rig Time
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 Canada, Alberta: Real-Time Geosteering Delivers Optimal Wellbore Placement in Thin Coal Reservoir
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 U.K. Offshore: Operator Saves Significant Rig Time by Gathering Complete Formation Evaluation Data in Real Time
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 Thailand: Optimized Geosteering Solution Delivers Maximum Reservoir Exposure in Geometrically-Complicated Environment
Precisely place two horizontal well bores without exiting the reservoir.
Summary Summary Norway: Hydro Uses ADR Sensor for Optimal Well Placement
InSite ADR® Sensor case history, Hydro, North Sea
Summary Summary West Africa: InSite AFR™ Sensor Delivers High-Resolution Images for Reservoir Fracture Characterization
Acquire high-resolution borehole images while drilling the wells to characterize the fractures and rock texture in order to predict injector performance.
Summary Summary Middle East: Remote Operating Centers Successfully Optimize Geosteering Efforts to Maximize Exposure in Extremely Thin Clastic Reservoir
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
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 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 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 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 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 Quasar Trio™ M/LWD Triple-Combo Service
Retrieve LWD triple-combo FE data of resistivity, density, and porosity in 200°C environments
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 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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