Assignee
CAMCO INT
US·226 granted patents·11,772 citations·filing 1989–2001
Top patents by PatentIndex Score
226 records- 0198US5411085ASpoolable coiled tubing completion systemCAMCO INT·Filed 1993·Granted May 2, 1995·177 cites·27 claims
- 0297US6045333AMethod and apparatus for controlling a submergible pumping systemCAMCO INT·Filed 1997·Granted Apr 4, 2000·161 cites·30 claims
- 0397US5553678AModulated bias units for steerable rotary drilling systemsCAMCO INT·Filed 1992·Granted Sep 10, 1996·425 cites·35 claims
- 0496US6388353B1Elongated permanent magnet synchronous motorCAMCO INT·Filed 2000·Granted May 14, 2002·121 cites·22 claims
- 0596US6357530B1System and method of utilizing an electric submergible pumping system in the production of high gas to liquid ratio fluidsCAMCO INT·Filed 1999·Granted Mar 19, 2002·154 cites·5 claims
- 0696US6068015ASidepocket mandrel with orienting featureCAMCO INT·Filed 1999·Granted May 30, 2000·112 cites·26 claims
- 0795US5469927ACutting elements for rotary drill bitsCAMCO INT·Filed 1993·Granted Nov 28, 1995·186 cites·12 claims
- 0894US5628616ADownhole pumping system for recovering liquids and gasCAMCO INT·Filed 1996·Granted May 13, 1997·129 cites·4 claims
- 0994US5394951ABottom hole drilling assemblyCAMCO INT·Filed 1993·Granted Mar 7, 1995·167 cites·6 claims
- 1094US5161898AAluminide coated bearing elements for roller cutter drill bitsCAMCO INT·Filed 1991·Granted Nov 10, 1992·121 cites·6 claims
- 1193US6106224ADownthrust pads for submersible centrifugal pumpsCAMCO INT·Filed 1998·Granted Aug 22, 2000·88 cites·18 claims
- 1293US5988302AHardmetal facing for earth boring drill bitCAMCO INT·Filed 1997·Granted Nov 23, 1999·55 cites·49 claims
- 1392US6247536B1Downhole multiplexer and related methodsCAMCO INT·Filed 1998·Granted Jun 19, 2001·148 cites·43 claims
- 1492US6070608AVariable orifice gas lift valve for high flow rates with detachable power source and method of usingCAMCO INT·Filed 1997·Granted Jun 6, 2000·113 cites·45 claims
- 1591US6397945B1Power cable system for use in high temperature wellbore applicationsCAMCO INT·Filed 2000·Granted Jun 4, 2002·56 cites·22 claims
- 1690US5567170APlug-in potheadCAMCO INT·Filed 1994·Granted Oct 22, 1996·93 cites·15 claims
- 1790US5146982ACoil tubing electrical cable for well pumping systemCAMCO INT·Filed 1991·Granted Sep 15, 1992·76 cites·6 claims
- 1889US5542472AMetal coiled tubing with signal transmitting passagewayCAMCO INT·Filed 1995·Granted Aug 6, 1996·118 cites·16 claims
- 1989US5524937AInternal coiled tubing connectorCAMCO INT·Filed 1994·Granted Jun 11, 1996·153 cites·15 claims
- 2089US5425420ASpoolable coiled tubing completion systemCAMCO INT·Filed 1994·Granted Jun 20, 1995·62 cites·2 claims
- 2189US5316094AWell orienting tool and/or thrusterCAMCO INT·Filed 1992·Granted May 31, 1994·121 cites·13 claims
- 2288US6704689B1Complexity index methodology for the analysis of run life performanceCAMCO INT·Filed 2000·Granted Mar 9, 2004·54 cites·21 claims
- 2388US6148843AVariable orifice gas lift valve for high flow rates with detachable power source and method of usingCAMCO INT·Filed 1998·Granted Nov 21, 2000·62 cites·18 claims
- 2488US6068444ASubmergible centrifugal pump having improved diffuser bushingsCAMCO INT·Filed 1998·Granted May 30, 2000·66 cites·21 claims
- 2588US5708337ABrushless permanent magnet motor for use in remote locationsCAMCO INT·Filed 1994·Granted Jan 13, 1998·87 cites·28 claims
- 2688US5488992ASpoolable flexible sliding sleeveCAMCO INT·Filed 1994·Granted Feb 6, 1996·60 cites·1 claims
- 2788US5465793ASpoolable flexible hydraulic controlled annular control valveCAMCO INT·Filed 1994·Granted Nov 14, 1995·60 cites·6 claims
- 2887US6176308B1Inductor system for a submersible pumping systemCAMCO INT·Filed 1998·Granted Jan 23, 2001·64 cites·15 claims
- 2987US6138764ASystem and method for deploying a wireline retrievable tool in a deviated wellCAMCO INT·Filed 1999·Granted Oct 31, 2000·138 cites·20 claims
- 3087US6119780AWellbore fluid recovery system and methodCAMCO INT·Filed 1997·Granted Sep 19, 2000·172 cites·13 claims
- 3187US6015012AIn-situ polymerization method and apparatus to seal a junction between a lateral and a main wellboreCAMCO INT·Filed 1997·Granted Jan 18, 2000·269 cites·26 claims
- 3287US5967248ARock bit hardmetal overlay and process of manufactureCAMCO INT·Filed 1997·Granted Oct 19, 1999·69 cites·27 claims
- 3387US5413170ASpoolable coiled tubing completion systemCAMCO INT·Filed 1994·Granted May 9, 1995·59 cites·7 claims
- 3486US6237693B1Failsafe safety valve and methodCAMCO INT·Filed 1999·Granted May 29, 2001·57 cites·32 claims
- 3586US6091175ASelf-centering rotor bearing assembly for submersible pump motorsCAMCO INT·Filed 1998·Granted Jul 18, 2000·89 cites·34 claims
- 3686US6033567ADownhole fluid separation system incorporating a drive-through separator and method for separating wellbore fluidsCAMCO INT·Filed 1998·Granted Mar 7, 2000·79 cites·17 claims
- 3786US5411081ASpoolable flexible hydraulically set, straight pull release well packerCAMCO INT·Filed 1994·Granted May 2, 1995·57 cites·3 claims
- 3886US5145007AWell operated electrical pump suspension method and systemCAMCO INT·Filed 1991·Granted Sep 8, 1992·61 cites·13 claims
- 3985US6127632ANon-metallic armor for electrical cableCAMCO INT·Filed 1997·Granted Oct 3, 2000·71 cites·18 claims
- 4085US5423383ASpoolable flexible hydraulic controlled coiled tubing safety valveCAMCO INT·Filed 1994·Granted Jun 13, 1995·52 cites·5 claims
- 4185US5209577ADownhole rotating machine having compliant radial bearingsCAMCO INT·Filed 1991·Granted May 11, 1993·63 cites·17 claims
- 4284US6325143B1Dual electric submergible pumping system installation to simultaneously move fluid with respect to two or more subterranean zonesCAMCO INT·Filed 1999·Granted Dec 4, 2001·86 cites·24 claims
- 4384US6307290B1Piston motor protector, and motor and pumping system incorporating the sameCAMCO INT·Filed 1999·Granted Oct 23, 2001·54 cites·48 claims
- 4484US6113675AGas separator having a low rotating massCAMCO INT·Filed 1998·Granted Sep 5, 2000·147 cites·21 claims
- 4584US5961841ADownhole fluid separation systemCAMCO INT·Filed 1996·Granted Oct 5, 1999·68 cites·26 claims
- 4684US5950742AMethods and related equipment for rotary drillingCAMCO INT·Filed 1997·Granted Sep 14, 1999·99 cites·27 claims
- 4783US6179269B1Method and apparatus for installing a cable into coiled tubingCAMCO INT·Filed 1998·Granted Jan 30, 2001·52 cites·16 claims
- 4883USRE36723ESpoolable coiled tubing completion systemCAMCO INT·Filed 1997·Granted Jun 6, 2000·56 cites·28 claims
- 4983US5525146ARotary gas separatorCAMCO INT·Filed 1994·Granted Jun 11, 1996·91 cites·8 claims
- 5083US5483988ASpoolable coiled tubing mandrel and gas lift valvesCAMCO INT·Filed 1994·Granted Jan 16, 1996·62 cites·20 claims
Showing the top 50 of 226 patent records by PatentIndex Score.
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