Assignee
ENTERRA PETROLEUM EQUIPMENT GR
US·2 granted patents·36 citations·filing 1993–1996
Top patents by PatentIndex Score
2 records- 0142US5706891AGravel pack mandrel system for water-flood operationsENTERRA PETROLEUM EQUIPMENT GR·Filed 1996·Granted Jan 13, 1998·25 cites·17 claims
- 0235US5421241AGas lift bellows construction and process for manufacture thereofENTERRA PETROLEUM EQUIPMENT GR·Filed 1993·Granted Jun 6, 1995·11 cites·13 claims
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