G - Physics – 01 – L
Patent
G - Physics
01
L
G01L 19/00 (2006.01) E21B 47/01 (2006.01) E21B 47/06 (2006.01) G01L 15/00 (2006.01) G01L 19/04 (2006.01)
Patent
CA 2637561
A system for measuring pressure in a well borehole using two pressure sensing gauges that are exposed to an area of common pressure. Pressure measurements are made with preferably two pressure gauge assemblies each containing a single pressure sensing gauge. The two pressure gauge assemblies are removably disposed within a receptacle or "pocket" in the outer surface of a wall of a formation tester tool section. When disposed or "side loaded" in the pocket, the gauges within the pair of assemblies are axially aligned and positioned in a plane that is normal to the radius of the formation tester tool section. Both pressure sensing gauges can be connected to respond to the same fluid pressure originating from a probe or port section of a formation tester tool. By disposing the pressure gauge assemblies in a receptacle or "pocket" in the outer surface or wall of a formation tester tool section, the pressure sensing gauges are exposed to wellbore fluids. Pressure sensing gauges are selected to have low mass. The low mass of the gauges and a cooperating heater assembly allow the pressure gauges to rapidly thermally stabilize with changing temperatures in the wellbore.
Kasperski Bryan W.
Roessler Dennis E.
Waid Margaret C.
Goodwin Mckay
Precision Energy Services Inc.
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