Assignee
COMPUTALOG RESEARCH INC
US·7 granted patents·308 citations·filing 1992–1998
Top patents by PatentIndex Score
7 records- 0185US6050141AMethod and apparatus for acoustic logging of fluid density and wet cement plugs in boreholesCOMPUTALOG RESEARCH INC·Filed 1998·Granted Apr 18, 2000·61 cites·5 claims
- 0285US5377160ATransmitter and receiver to radially scan the cementing conditions in cased wellsCOMPUTALOG RESEARCH INC·Filed 1993·Granted Dec 27, 1994·85 cites·36 claims
- 0383US5900627AFormation density measurement utilizing pulse neutronsCOMPUTALOG RESEARCH INC·Filed 1997·Granted May 4, 1999·91 cites·15 claims
- 0449US5299359AMethod and system for measurement of internal tube dimensions within a wellboreCOMPUTALOG RESEARCH INC·Filed 1993·Granted Apr 5, 1994·26 cites·14 claims
- 0547US5698982AMethod and system for skin effect correction in a multiple transmit frequency induction logging systemCOMPUTALOG RESEARCH INC·Filed 1996·Granted Dec 16, 1997·24 cites·6 claims
- 0639US5500597AMultiple transmit frequency induction logging system with closed loop conversion circuitry for phase and gain variation eliminationCOMPUTALOG RESEARCH INC·Filed 1993·Granted Mar 19, 1996·19 cites·11 claims
- 0712US5153431AWell logging radioactive detector assemblyCOMPUTALOG RESEARCH INC·Filed 1992·Granted Oct 6, 1992·2 cites·2 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →