ADR™ Azimuthal Deep Resistivity Sensor

Optimize wellbore placement, maximize production and extend field life.

The ADR™ Azimuthal Deep Resistivity sensor comes together with the StrataSteer® 3D geosteering service to provide a fully compensated, multiple-depth resistivity measurement, petrophysical evaluation and stratigraphic navigation solution in one package.


ADR Sensor Benefits

  • Patented design acquires measurements in 32 discrete directions and 14 different depths of investigation to determine distance and direction to multiple bed boundaries
  • Deeper readings improve reaction time, allowing for increased drilling speed with less risk of drillout
  • Fully compensated petrophysical-quality resistivity measurements and deep reading geosteering measurements combined in one tool to minimize BHA length
  • Azimuthal readings provide for derivation of anisotropy values (Rh and Rv) and dip

The ADR sensor is the first of the new generation of logging-while-drilling sensors from Sperry.

The New Generation Delivers:

  • Deeper reading, higher resolution LWD sensors
  • Faster telemetry - through data compression, customizable data streams, and full IntelliServ® Network compatibility
  • Greater reliability - through component integration, meaning fewer electrical contact points at risk

The new generation sensors enable new understanding of formations not even possible with legacy systems.

ADR™ Azimuthal Deep Resistivity Sensor

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  TitleНазвание  DateДата
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 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 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 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 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 Norway: Hydro Uses ADR Sensor for Optimal Well Placement Sign in required
InSite ADR® Sensor case history, Hydro, North Sea
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: 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 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 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 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 UAE: First Geo-Pilot® Dirigo Rotary Steerable Run in UAE Lands Complex Sign in required
An operator planned the first fork-type multilateral well design in the United Arab Emirates (UAE) to be drilled from an offshore platform. The complexity of the program would require advanced geosteering capabilities to achieve maximum reservoir contact and precise placement of the forked-shape laterals with full accessibility for well intervention. The target was just 600 feet (183 meters) south of the platform and required a “pregnant lady” well profile through a very challenging shale formation where historically no directional work is recommended. With only one available platform slot, located on the northwest side, the well would first have to be nudged and turned in the 16-inch hole in order to reduce surface collision risk, and would then encounter a channel at the 13-3/8-inch casing point known to cause huge losses. In the 12 ¼-inch hole, a required open-hole sidetrack would present yet another challenge. And furthermore, the 8-½-inch lateral interval would have to be maintained within the reservoir target of just two feet (0.61 meters) in thickness.
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 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 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 ADR™ Azimuthal Deep Resistivity
ADR Azimuthal Deep Resistivity Animation
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 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
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