Assignee
PETROLPHYSICS OPERATORS
US·4 granted patents·56 citations·filing 1988–1990
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0162US4872509AOil well production system using a hollow tube linerPETROLPHYSICS OPERATORS·Filed 1988·Granted Oct 10, 1989·25 cites·29 claims
- 0239US5035285AGravel packing system for a production radial tubePETROLPHYSICS OPERATORS·Filed 1990·Granted Jul 30, 1991·16 cites·4 claims
- 0337US4974672AGravel packing system for a production radial tubePETROLPHYSICS OPERATORS·Filed 1989·Granted Dec 4, 1990·11 cites·5 claims
- 0430US4865128AGravel packing system for a production radial tubePETROLPHYSICS OPERATORS·Filed 1988·Granted Sep 12, 1989·4 cites·12 claims
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