Assignee
WELLDYNAMICS INC
US·24 granted patents·2 pending applications·789 citations·filing 1998–2013
Top patents by PatentIndex Score
26 records- 0194US6659184B1Multi-line back pressure control systemWELLDYNAMICS INC·Filed 1998·Granted Dec 9, 2003·54 cites·44 claims
- 0293US7861788B2Casing valves system for selective well stimulation and controlWELLDYNAMICS INC·Filed 2008·Granted Jan 4, 2011·40 cites·16 claims
- 0392US7242103B2Downhole electrical power generatorWELLDYNAMICS INC·Filed 2006·Granted Jul 10, 2007·49 cites·20 claims
- 0490US7218820B2Method and system for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environmentsWELLDYNAMICS INC·Filed 2005·Granted May 15, 2007·22 cites·20 claims
- 0589US7357021B2Methods of monitoring downhole conditionsWELLDYNAMICS INC·Filed 2005·Granted Apr 15, 2008·63 cites·3 claims
- 0689US6585051B2Hydraulically operated fluid metering apparatus for use in a subterranean well, and associated methodsWELLDYNAMICS INC·Filed 2001·Granted Jul 1, 2003·93 cites·48 claims
- 0789US6575237B2Hydraulic well control systemWELLDYNAMICS INC·Filed 1999·Granted Jun 10, 2003·113 cites·23 claims
- 0885US7503385B2Single line control module for well tool actuationWELLDYNAMICS INC·Filed 2006·Granted Mar 17, 2009·25 cites·20 claims
- 0984US6470970B1Multiplier digital-hydraulic well control system and methodWELLDYNAMICS INC·Filed 2000·Granted Oct 29, 2002·82 cites·37 claims
- 1081US7950461B2Screened valve system for selective well stimulation and controlWELLDYNAMICS INC·Filed 2008·Granted May 31, 2011·25 cites·20 claims
- 1180US7779912B2Well tool having magnetically coupled position sensorWELLDYNAMICS INC·Filed 2007·Granted Aug 24, 2010·19 cites·20 claims
- 1274US7673683B2Well tool having magnetically coupled position sensorWELLDYNAMICS INC·Filed 2007·Granted Mar 9, 2010·14 cites·35 claims
- 1373US7013980B2Hydraulically actuated control system for use in a subterranean wellWELLDYNAMICS INC·Filed 2003·Granted Mar 21, 2006·39 cites·29 claims
- 1472US7484566B2Pulse width modulated downhole flow controlWELLDYNAMICS INC·Filed 2006·Granted Feb 3, 2009·12 cites·33 claims
- 1571US7145471B2Sequential hydraulic control system for use in a subterranean wellWELLDYNAMICS INC·Filed 2000·Granted Dec 5, 2006·31 cites·25 claims
- 1669US7240737B2Direct proportional surface control system for downhole chokeWELLDYNAMICS INC·Filed 2006·Granted Jul 10, 2007·11 cites·24 claims
- 1767US7836956B2Positional control of downhole actuatorsWELLDYNAMICS INC·Filed 2007·Granted Nov 23, 2010·5 cites·27 claims
- 1865US6995683B2System and method for transmitting downhole data to the surfaceWELLDYNAMICS INC·Filed 2004·Granted Feb 7, 2006·34 cites·45 claims
- 1961US9464507B2Casing valves system for selective well stimulation and controlWELLDYNAMICS INC·Filed 2013·Granted Oct 11, 2016·1 cites·7 claims
- 2060US7210856B2Distributed temperature sensing in deep water subsea tree completionsWELLDYNAMICS INC·Filed 2004·Granted May 1, 2007·18 cites·21 claims
- 2159US7322421B2Fiber optic deployment apparatus and methodWELLDYNAMICS INC·Filed 2004·Granted Jan 29, 2008·26 cites·17 claims
- 2254US7730956B2Downhole pressure balanced electrical connectionsWELLDYNAMICS INC·Filed 2007·Granted Jun 8, 2010·4 cites·17 claims
- 2350US7785080B2Downhole ram pumpWELLDYNAMICS INC·Filed 2006·Granted Aug 31, 2010·0 cites·20 claims
- 2448US7191828B2Hydraulically set concentric packer with multiple umbilical bypass through the pistonWELLDYNAMICS INC·Filed 2004·Granted Mar 20, 2007·9 cites·46 claims
- 2541US2010051269A1Bypass of damaged lines in subterranean wellsWELLDYNAMICS INC·Filed 2009·Application pending·0 cites
- 2640US2008169610A1Metal to metal seal for downhole toolsWELLDYNAMICS INC·Filed 2008·Application pending·0 cites
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