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US3905227A
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Wireline operated tubing detector
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US3353607A
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Flow valves and chokes, and means for installing same
|
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US3172486A
|
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Explosive-actuated apparatus for taking cores
|
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US3191677A
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Method and apparatus for setting liners in tubing
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US2907391A
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Valves
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US2665187A
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Device for making permanent records
|
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US2638681A
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Tubing and casing caliper
|
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US2544601A
|
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Insert orifice and tool therefor
|
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US2540123A
|
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Insert strainer plug for well casings
|
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US2540122A
|
|
Flow button for well pipes
|
|
US2426106A
|
|
Means for explosively inserting orifices in pipe in wells
|
|
US2377501A
|
|
Fluid influx indicator
|
|
US2362829A
|
|
Explosive screen cleaner
|
|
US2305261A
|
|
Method of removing pipe from wells
|
|
US2185303A
|
|
Wire line shooting tool
|
|
US2210417A
|
|
Leak detector
|
|
US2221427A
|
|
Swab
|
|
US1631419A
|
|
Apparatus for plugging wells
|
|
US1654819A
|
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Method of and apparatus for detecting binding points in well casings
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