Inventor · disambiguated record
Howard L. Mcgill
Also filed as: MCGILL HOWARD L
16 granted patents·1 pending application·596 citations·filing 1976–2009
95Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP12DOWELL SCHLUMBERGER INC2DOWELL A DIVISION OF SCHLUMBER1MICROMEDIC SYSTEMS INC1WOLF JOHN C1
Top patents by PatentIndex Score
17 records- 0191US7493960B2Apparatus and method to connect two parts without rotationSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Feb 24, 2009·41 cites·19 claims
- 0287US7497259B2System and method for forming cavities in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 3, 2009·27 cites·17 claims
- 0387US6889771B1Selective direct and reverse circulation check valve mechanism for coiled tubingSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted May 10, 2005·91 cites·24 claims
- 0487US4009753ASubsea master valve apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1976·Granted Mar 1, 1977·78 cites·16 claims
- 0581US6776239B2Tubing conveyed fracturing tool and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Aug 17, 2004·63 cites·38 claims
- 0676US6533037B2Flow-operated valveSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Mar 18, 2003·47 cites·26 claims
- 0773US4660637APacker and service tool assemblyDOWELL SCHLUMBERGER INC·Filed 1985·Granted Apr 28, 1987·47 cites·6 claims
- 0873US4424860ADeflate-equalizing valve apparatus for inflatable packer formation testerSCHLUMBERGER TECHNOLOGY CORP·Filed 1981·Granted Jan 10, 1984·40 cites·16 claims
- 0971US7918279B2System and method for forming cavities in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Apr 5, 2011·10 cites·32 claims
- 1059US5857710AMulti-cycle releasable connectionSCHLUMBERGER TECHNOLOGY CORP·Filed 1996·Granted Jan 12, 1999·39 cites·17 claims
- 1158US5287930AValve apparatus for use in sand controlDOWELL SCHLUMBERGER INC·Filed 1992·Granted Feb 22, 1994·32 cites·13 claims
- 1258US4011048AIncubation apparatusMICROMEDIC SYSTEMS INC·Filed 1976·Granted Mar 8, 1977·15 cites·8 claims
- 1355US4406461AInflatable well packer apparatus reinforced with tire cordingSCHLUMBERGER TECHNOLOGY CORP·Filed 1982·Granted Sep 27, 1983·20 cites·12 claims
- 1454US4408485ARotary straddle tester apparatus with safety joint back-off clutchSCHLUMBERGER TECHNOLOGY CORP·Filed 1981·Granted Oct 11, 1983·20 cites·8 claims
- 1551US4440230AFull-bore well tester with hydrostatic biasSCHLUMBERGER TECHNOLOGY CORP·Filed 1980·Granted Apr 3, 1984·18 cites·4 claims
- 1635US2007017679A1Downhole multi-action jetting toolWOLF JOHN C·Filed 2006·Application pending·0 cites
- 1733US5660241APressure compensated weight on bit shock sub for a wellbore drilling toolDOWELL A DIVISION OF SCHLUMBER·Filed 1995·Granted Aug 26, 1997·8 cites·15 claims
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