Wellbore Pressure Monitoring

Measurements of the annular pressure during drilling operations have many valuable applications. The tool provides accurate downhole measurement of static and dynamic pressures. Dynamic pressures include both the equivalent circulating density (ECD) and swab and surge pressures from pipe movement when making connections or tripping. Knowledge of these pressures helps to prevent damaging the formation by exceeding the fracture pressure or allowing pressures to drop too low allowing formation fluids to flow into the wellbore. The effectiveness of hole cleaning can be determined by measuring the cuttings build up in the drilling fluid. The occurrence of other drilling hazards can be identified such as shallow water flow events or the onset of annular pickoffs. The tool can also provide accurate leak-off test (LOT) and formation integrity test (FIT) data by measuring the pressure exerted on the formation, creating time savings as it is no longer necessary to circulate and condition the mud prior to the test taking place. Having accurate wellbore pressure measurements will prevent the occurrence of non-productive time events by providing an earlier warning that a problem is developing, allowing the mud system to be maintained in optimum condition to maximize ROP.

Wellbore Pressure Monitoring

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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 Mexico: Sperry Drilling’s New Data Compression Software Facilitates Geosteering Within Thin Reservoir while Significantly Reducing Drilling Time Jun 2012
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
Summary Columbia: Remote Operations Center Facilitates Nimble Geosteering to Narrow Target in Heavy Oil Sands Apr 2010
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GeoTap® Sensor
LWD formation tester obtains real-time direct pore pressure measurements.
Pressure-While-Drilling (PWD) Services
Provides annular pressure, internal pressure and temperature measurements. Aids in detecting lost circulation and flow/kicks before they happen.
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