Inventor · disambiguated record
Joe C. Hromas
Also filed as: HROMAS JOE C
28 granted patents·1,644 citations·filing 1988–2006
98Inventor score
Top patents by PatentIndex Score
28 records- 0196US5971072AInductive coupler activated completion systemSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Oct 26, 1999·237 cites·27 claims
- 0294US5025861ATubing and wireline conveyed perforating method and apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Jun 25, 1991·135 cites·16 claims
- 0391US8151882B2Technique and apparatus to deploy a perforating gun and sand screen in a wellGRIGAR LARRY L·Filed 2005·Granted Apr 10, 2012·54 cites·22 claims
- 0490US7278484B2Techniques and systems associated with perforation and the installation of downhole toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Oct 9, 2007·35 cites·37 claims
- 0587US5911277ASystem for activating a perforating device in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Jun 15, 1999·117 cites·35 claims
- 0686US6098716AReleasable connector assembly for a perforating gun and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Aug 8, 2000·108 cites·14 claims
- 0786US5337827APressure-controlled well tester adapted to be selectively retained in a predetermined operating positionSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Aug 16, 1994·97 cites·28 claims
- 0886US5293940AAutomatic tubing releaseSCHLUMBERGER TECHNOLOGY CORP·Filed 1993·Granted Mar 15, 1994·99 cites·26 claims
- 0985US7487833B2Safety apparatus for perforating systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Feb 10, 2009·15 cites·20 claims
- 1085US5366013AShock absorber for use in a wellbore including a frangible breakup element preventing shock absorption before shattering allowing shock absorption after shatteringSCHLUMBERGER TECHNOLOGY CORP·Filed 1993·Granted Nov 22, 1994·91 cites·21 claims
- 1181US8118098B2Flow control system and method for use in a wellboreHROMAS JOE C·Filed 2006·Granted Feb 21, 2012·26 cites·13 claims
- 1281US6003599AAzimuth-oriented perforating system and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Dec 21, 1999·84 cites·16 claims
- 1379US5146983AHydrostatic setting tool including a selectively operable apparatus initially blocking an orifice disposed between two chambers and opening in response to a signalSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Sep 15, 1992·63 cites·17 claims
- 1477US5509481AMethod of perforating including an automatic release apparatus suspending by wireline or coiled tubing in a wellbore for perforating a long length interval of the wellbore in a single run using a gun string longer than a wellhead lubricatorSCHLUMBERGER TECHNOLOGY CORP·Filed 1994·Granted Apr 23, 1996·61 cites·12 claims
- 1576US7353871B2Downhole automatic tool release and method of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Apr 8, 2008·16 cites·4 claims
- 1675US4907655APressure-controlled well tester operated by one or more selected actuating pressuresSCHLUMBERGER TECHNOLOGY CORP·Filed 1988·Granted Mar 13, 1990·48 cites·33 claims
- 1774US5203414AMethod of anchoring a device in a wellbore including opening an orifice between two chambers in response to an electrical signal and moving a piston in response to hydrostatic pressure when the orifice is openedSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted Apr 20, 1993·49 cites·10 claims
- 1870US5318126AExplosively opened production valve including a frangible breakup element operated by tubing pressure or rathole pressure or bothSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted Jun 7, 1994·49 cites·21 claims
- 1966US7152676B2Techniques and systems associated with perforation and the installation of downhole toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Dec 26, 2006·25 cites·35 claims
- 2066US5890539ATubing-conveyer multiple firing head systemSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Apr 6, 1999·53 cites·20 claims
- 2164US4911242APressure-controlled well tester operated by one or more selected actuating pressuresSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Mar 27, 1990·33 cites·2 claims
- 2263US5429192AMethod and apparatus for anchoring a perforating gun to a casing in a wellbore including a primary and a secondary anchor release mechanismSCHLUMBERGER TECHNOLOGY CORP·Filed 1994·Granted Jul 4, 1995·35 cites·32 claims
- 2361US5050682ACoupling apparatus for a tubing and wireline conveyed method and apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1990·Granted Sep 24, 1991·35 cites·6 claims
- 2456US7493958B2Technique and apparatus for multiple zone perforatingSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Feb 24, 2009·4 cites·22 claims
- 2555US6966378B2Method and apparatus for perforating a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Nov 22, 2005·17 cites·26 claims
- 2653US5095993AAnchor apparatus for a tubing and wireline conveyed method and apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1990·Granted Mar 17, 1992·27 cites·8 claims
- 2751US5158142AApparatus for releasing a pipe string from an object stuck downhole by continuously applying tension to said apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Oct 27, 1992·24 cites·16 claims
- 2833US5191933AWellbore apparatus including a rathole pressure balanced-differential pressure firing systemSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted Mar 9, 1993·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →