E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/29
E21B 43/28 (2006.01) E21B 47/04 (2006.01) G01F 23/26 (2006.01)
Patent
CA 1226513
ABSTRACT OF THE DISCLOSURE BLANKET-MEDIUM/BRINE INTERFACE DETECTION IN A SOLUTION-MINING PROCESS A downhole tool, to be used in a solution-mining process for detecting capacitively the position of a blanket-medium/brine interface in salt cavities, said tool being provided with a first means which is placed at a determined distance from another means, both means being adapted for capacitive measurements, the first means consisting of a plurality of individual segments, arranged one above another, and further comprising means for determining the capacitance of the said two means, the said tool further being provided with means adapted to transmit the obtained information up hole, wherein each individual segment of the first means has a height between 5 and 50 cm and a width between 1 and 5 cm.
441790
Jamieson Andrew W.
Van Namen Remo P.
Vriezen Peter B.
Marcoux & Sher Swabey Mitchell Houle
Shell Internationale Research Maatschappij B.v.
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