Assignee
PETROLEUM ENG SERVICES
GB·25 granted patents·1,607 citations·filing 1993–1998
Top patents by PatentIndex Score
25 records- 0196US5607017ADissolvable well plugPETROLEUM ENG SERVICES·Filed 1995·Granted Mar 4, 1997·251 cites·6 claims
- 0288US5775429ADownhole packerPETROLEUM ENG SERVICES·Filed 1997·Granted Jul 7, 1998·112 cites·19 claims
- 0387US5941313AControl set downhole packerPETROLEUM ENG SERVICES·Filed 1997·Granted Aug 24, 1999·106 cites·20 claims
- 0487US5833490AHigh pressure instrument wire connectorPETROLEUM ENG SERVICES·Filed 1995·Granted Nov 10, 1998·119 cites·18 claims
- 0585US5666050ADownhole magnetic position sensorPETROLEUM ENG SERVICES·Filed 1995·Granted Sep 9, 1997·113 cites·20 claims
- 0683US6041858AHigh expansion downhole packerPETROLEUM ENG SERVICES·Filed 1997·Granted Mar 28, 2000·94 cites·16 claims
- 0782US5744877ADownhole power transmission systemPETROLEUM ENG SERVICES·Filed 1997·Granted Apr 28, 1998·76 cites·18 claims
- 0880US5995020ADownhole power and communication systemPETROLEUM ENG SERVICES·Filed 1995·Granted Nov 30, 1999·90 cites·14 claims
- 0978US5535826AWell-head structuresPETROLEUM ENG SERVICES·Filed 1994·Granted Jul 16, 1996·68 cites·12 claims
- 1070US5547028ADownhole system for extending the life span of electronic componentsPETROLEUM ENG SERVICES·Filed 1994·Granted Aug 20, 1996·46 cites·46 claims
- 1168US6056327AHigh pressure hydraulic line connectorPETROLEUM ENG SERVICES·Filed 1998·Granted May 2, 2000·52 cites·13 claims
- 1267US5769160AMulti-functional downhole cable systemPETROLEUM ENG SERVICES·Filed 1997·Granted Jun 23, 1998·49 cites·20 claims
- 1366US5720342AIntegrated converter for extending the life span of electronic componentsPETROLEUM ENG SERVICES·Filed 1996·Granted Feb 24, 1998·50 cites·11 claims
- 1463US5636689ARelease/anti-preset mechanism for down-hole toolsPETROLEUM ENG SERVICES·Filed 1995·Granted Jun 10, 1997·44 cites·9 claims
- 1562US5904207APackerPETROLEUM ENG SERVICES·Filed 1997·Granted May 18, 1999·37 cites·20 claims
- 1662US5865246ABall valvesPETROLEUM ENG SERVICES·Filed 1996·Granted Feb 2, 1999·43 cites·31 claims
- 1762US5447202ASetting tool and related methodPETROLEUM ENG SERVICES·Filed 1993·Granted Sep 5, 1995·43 cites·9 claims
- 1860US6321847B1Downhole pressure activated device and a methodPETROLEUM ENG SERVICES·Filed 1998·Granted Nov 27, 2001·40 cites·30 claims
- 1960US5441111ABridge plugPETROLEUM ENG SERVICES·Filed 1994·Granted Aug 15, 1995·39 cites·10 claims
- 2057US5862864AWell safety systemPETROLEUM ENG SERVICES·Filed 1996·Granted Jan 26, 1999·41 cites·14 claims
- 2152US6026899AHigh expansion slip systemPETROLEUM ENG SERVICES·Filed 1997·Granted Feb 22, 2000·29 cites·16 claims
- 2247US5647435AContainment of downhole electronic systemsPETROLEUM ENG SERVICES·Filed 1995·Granted Jul 15, 1997·23 cites·12 claims
- 2341US5730217AVacuum insulated converter for extending the life span of electronic componentsPETROLEUM ENG SERVICES·Filed 1996·Granted Mar 24, 1998·17 cites·2 claims
- 2435US5664629ADown-hole toolsPETROLEUM ENG SERVICES·Filed 1995·Granted Sep 9, 1997·24 cites·20 claims
- 2529US6093262ACorrosion resistant solenoid valvePETROLEUM ENG SERVICES·Filed 1998·Granted Jul 25, 2000·1 cites·11 claims
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