E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/01 (2006.01) B66D 1/50 (2006.01) E21B 19/02 (2006.01) E21B 19/09 (2006.01)
Patent
CA 2312515
A computer controlled heave compensation wireline logging winch system and method of use that compensates for the effects of wave motion on floating installations performing wireline logging measurements. A wireline winch and wireline cable with a logging measurement tool attached is installed on a floating installation. Vessel vertical movement is measured and is physically compensated for by a change in speed of the wireline cable so that the logging data is obtained at a controlled speed. Any error in this physical compensation is detected by a depth measurement system and is used to adjust the true depth at which the logging tool measurements are being recorded.
Armstrong Angus
Farnieras Laurent P.
Lorsignol Marc
Rasmussen Marvin W.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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