|
US4109386A
|
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Signal-producing pipe caliper
|
|
US3683408A
|
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Apparatus for forming a record on a tape
|
|
US3621548A
|
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Broach for well pipe
|
|
US3691624A
|
|
Method of expanding a liner
|
|
US3447604A
|
|
Safety assembly for impact-actuated well tool
|
|
US3366179A
|
|
Well tool having safety means to prevent premature firing
|
|
US3360060A
|
|
Tension jarring tool with tension assembly
|
|
US3199593A
|
|
Wire line shooting tool
|
|
US3199287A
|
|
Explosive means for tubing perforator and the like
|
|
US3199594A
|
|
Explosive jar
|
|
US3062304A
|
|
Jarring tools
|
|
US3061938A
|
|
Calipering tools
|
|
US3022558A
|
|
Line latch
|
|
US2992875A
|
|
Recording chart
|
|
US3010515A
|
|
Time trip device
|
|
US3010212A
|
|
Calipering tools
|
|
US2794260A
|
|
Pipe calipers
|
|
US2853788A
|
|
Internal pipe calipering tools and recording means
|
|
US2771685A
|
|
Internal pipe calipering tools
|
|
US2739654A
|
|
Back-off jar
|
