Assignee
SCHLUMBERGER DOWELL INC
US·2 granted patents·32 citations·filing 1983–1991
Top patents by PatentIndex Score
2 records- 0141US5165474AAnti-rotation device for cementing plugs with deformable peripheral "fins"o"lips"SCHLUMBERGER DOWELL INC·Filed 1991·Granted Nov 24, 1992·21 cites·5 claims
- 0239US4784694ACompositions of polymer systems, and their use for example in hydraulic fracturingSCHLUMBERGER DOWELL INC·Filed 1983·Granted Nov 15, 1988·11 cites·17 claims
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