GeoTap® Sensor

With Sperry Drilling services' GeoTap® LWD formation tester, it is possible to obtain real-time direct pore pressure measurements, with accuracy and precision comparable to that of wireline formation testers. The GeoTap service bridges a critical gap in drilling safety and optimization, providing early and reliable measurements of reservoir pressure and mud density.


  • Helps improve formation evaluation
    • Obtain real-time fluid gradients and fluid mobility (permeability/viscosity indicator)
    • Identify fluid contact points, and determine reservoir connectivity/compartmentalization, and depletion
  • Can increase safety of operation
    • Determine optimal mud weight and manage equivalent circulating density
    • Know of pressure changes when they occur, not after it's too late
    • Continuously update wellbore stability assessments
    • Reduce formation damage
  • Helps increase drilling efficiency
    • Determine precise overbalance for maximizing ROP
    • Continuously monitor hole cleaning effectiveness with Pressure-While-Drilling, while reducing formation damage due to swab/surge
  • Save time, money
    • reduce rig down time associated with wireline testing

SOLAR™: this sensor also exists in the high temperature/high pressure version. Please refer to the SOLAR datasheet for exact specifications.

GeoTap® Sensor

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Summary Venezuela: Petroboscan Obtains Real-Time Formation Pressure Data and Extends Production in a Mature Field May 2018
Summary Integrated Drilling and Logging Approach Maximizes Formation Reservoir Exposure Apr 2018
Summary North Sea, Norway: Operator Successfully Runs 5 ¾-inch Slim-Hole Drilling Operation with Geo-Pilot® RSS System Mar 2017
Summary U.K. Offshore: Operator Saves Significant Rig Time by Gathering Complete Formation Evaluation Data in Real Time Nov 2016
Summary GOM: Using GeoTap® LWD Formation Pressure Tester, Operator Saves Estimated USD 2 Million Aug 2016
Summary Mexico: GeoTap® Service Saves Pemex Approximately US$2 Million by Determining Correct Casing Point Mar 2016
Summary Middle East: New GeoTap® Formation Pressure Tester Pad Design Yields Zero Failures, Zero Nonproductive Time during Formation Testing While Drilling Extended Reach Wells Jul 2014
Summary UAE: First Geo-Pilot® Dirigo Rotary Steerable Run in UAE Lands Complex Jun 2014
Summary Guf of Mexico: GeoTap® Tester Obtains Pressure at 7000 psi to Provide Understanding of Depleted Sand Reservoir Oct 2011
Summary Gulf of Mexico: Comprehensive Halliburton Solution Includes World’s Deepest Formation Pressure Test in Deepwater Extended Reach Well Drilled around a Salt Structure Oct 2011
Showing 1 - 10 of 20 Records
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