Assignee
NATURAL RESERVES GROUP INC
US·7 granted patents·943 citations·filing 1992–1997
Technology mixE21B7
Top patents by PatentIndex Score
7 records- 0197US5337808ATechnique and apparatus for selective multi-zone vertical and/or horizontal completionsNATURAL RESERVES GROUP INC·Filed 1992·Granted Aug 16, 1994·306 cites·19 claims
- 0297US5301760ACompleting horizontal drain holes from a vertical wellNATURAL RESERVES GROUP INC·Filed 1992·Granted Apr 12, 1994·270 cites·21 claims
- 0386US5697445AMethod and apparatus for selective horizontal well re-entry using retrievable diverter oriented by logging meansNATURAL RESERVES GROUP INC·Filed 1995·Granted Dec 16, 1997·108 cites·15 claims
- 0482US5992524AMethod for isolating multi-lateral well completions while maintaining selective drainhole re-entry accessNATURAL RESERVES GROUP INC·Filed 1997·Granted Nov 30, 1999·80 cites·3 claims
- 0578US5715891AMethod for isolating multi-lateral well completions while maintaining selective drainhole re-entry accessNATURAL RESERVES GROUP INC·Filed 1995·Granted Feb 10, 1998·87 cites·38 claims
- 0676US5289876ACompleting wells in incompetent formationsNATURAL RESERVES GROUP INC·Filed 1992·Granted Mar 1, 1994·62 cites·16 claims
- 0742US5651415ASystem for selective re-entry to completed lateralsNATURAL RESERVES GROUP INC·Filed 1995·Granted Jul 29, 1997·30 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when NATURAL RESERVES GROUP INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →