Assignee
PREC DRILLING CORP
US·4 granted patents·1 pending application·219 citations·filing 2000–2007
Technology mixE21B5
Top patents by PatentIndex Score
5 records- 0189US7588100B2Method and apparatus for directional drilling with variable drill string rotationPREC DRILLING CORP·Filed 2007·Granted Sep 15, 2009·47 cites·17 claims
- 0286US6502641B1Coiled tubing drilling rigPREC DRILLING CORP·Filed 2000·Granted Jan 7, 2003·79 cites·10 claims
- 0381US6332501B1Linear coiled tubing injectorPREC DRILLING CORP·Filed 2000·Granted Dec 25, 2001·55 cites·26 claims
- 0474US6408955B2Hybrid sectional and coiled tubing drilling rigPREC DRILLING CORP·Filed 2001·Granted Jun 25, 2002·38 cites·11 claims
- 0533US2002029907A1Coiled tubing drilling rigPREC DRILLING CORP·Filed 2001·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →