Inventor · disambiguated record
Charles W. Pleasants
Also filed as: PLEASANTS CHARLES · PLEASANTS CHARLES W
18 granted patents·1 pending application·805 citations·filing 1989–2014
96Inventor score
Technology areasE21B
Files withOTIS ENG CO7BAKER HUGHES INC3WEATHERFORD LAMB3CRIDER JAMES ALAN1HALLIBURTON ENERGY SERV INC1
Top patents by PatentIndex Score
19 records- 0196US5887655AWellbore milling and drillingWEATHERFORD LAMB·Filed 1997·Granted Mar 30, 1999·279 cites·31 claims
- 0285US5787978AMulti-face whipstock with sacrificial face elementWEATHERFORD LAMB·Filed 1996·Granted Aug 4, 1998·111 cites·20 claims
- 0382US8739864B2Downhole multiple cycle toolCRIDER JAMES ALAN·Filed 2010·Granted Jun 3, 2014·14 cites·18 claims
- 0481US8813857B2Annulus mounted potential energy driven setting toolMILLS AUBREY C·Filed 2011·Granted Aug 26, 2014·9 cites·34 claims
- 0577US5090481AFluid flow control apparatus, shifting tool and method for oil and gas wellsOTIS ENG CO·Filed 1991·Granted Feb 25, 1992·69 cites·20 claims
- 0666US5007479AHydraulic up-down well jar and method of operating sameOTIS ENG CO·Filed 1989·Granted Apr 16, 1991·38 cites·11 claims
- 0763US7905279B2Combination whipstock and seal bore diverter systemBAKER HUGHES INC·Filed 2008·Granted Mar 15, 2011·9 cites·23 claims
- 0863US5146994APacking assembly for use with reeled tubing and method of operating and removing sameOTIS ENG CO·Filed 1990·Granted Sep 15, 1992·41 cites·24 claims
- 0958US5146984AEmergency release device for connecting between tubular members in oil and gas wellsOTIS ENG CO·Filed 1991·Granted Sep 15, 1992·31 cites·18 claims
- 1057US6059037AApparatus for completing a subterranean well and associated methods of using sameHALLIBURTON ENERGY SERV INC·Filed 1998·Granted May 9, 2000·39 cites·25 claims
- 1157US5012871AFluid flow control system, assembly and method for oil and gas wellsOTIS ENG CO·Filed 1990·Granted May 7, 1991·40 cites·46 claims
- 1256US4986362ARunning tool for use with reeled tubing and method of operating samePLEASANTS CHARLES W·Filed 1989·Granted Jan 22, 1991·28 cites·22 claims
- 1355US5040598APulling tool for use with reeled tubing and method for operating tools from wellboresOTIS ENG CO·Filed 1990·Granted Aug 20, 1991·28 cites·21 claims
- 1452US9488028B2Annulus mounted potential energy driven setting toolBAKER HUGHES INC·Filed 2014·Granted Nov 8, 2016·0 cites·35 claims
- 1550US5720349AStarting mill and operationsWEATHERFORD US INC·Filed 1995·Granted Feb 24, 1998·25 cites·19 claims
- 1645US5000265APacking assembly for use with reeled tubing and method of operating and removing sameOTIS ENG CO·Filed 1990·Granted Mar 19, 1991·20 cites·105 claims
- 1741US2010084140A1Downhole seal and anchor releasing system and methodBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 1838US5806595AWellbore milling system and methodWEATHERFORD LAMB·Filed 1996·Granted Sep 15, 1998·14 cites·16 claims
- 1933US6056056AWhipstock millFiled 1998·Granted May 2, 2000·10 cites·19 claims
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