Assignee
SCHLUMBERGER WELL SERVICES
US·3 granted patents·91 citations·filing 1983–1988
Top patents by PatentIndex Score
3 records- 0177US4744424AShaped charge perforating apparatusSCHLUMBERGER WELL SERVICES·Filed 1986·Granted May 17, 1988·62 cites·21 claims
- 0262US4852067ALow frequency sonic loggingSCHLUMBERGER WELL SERVICES·Filed 1983·Granted Jul 25, 1989·20 cites·12 claims
- 0340US4868569ABiphase digital look-ahead demodulating method and apparatusSCHLUMBERGER WELL SERVICES·Filed 1988·Granted Sep 19, 1989·9 cites·14 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →