Inventor · disambiguated record
William John Darnell
Also filed as: DARNELL WILLIAM J · DARNELL WILLIAM JOHN
23 granted patents·3 pending applications·155 citations·filing 2007–2018
95Inventor score
Files withPETROQUIP ENERGY SERVICES LLP12LONG RODNEY WAYNE4KIPPOLA KEVIN SCOTT3DARNELL WILLIAM JOHN2PACKERS PLUS ENERGY SERVICES USA INC2
Top patents by PatentIndex Score
26 records- 0190US7926580B1Coiled tubing multi-zone jet frac systemPETROQUIP ENERGY SERVICES LLP·Filed 2010·Granted Apr 19, 2011·17 cites·8 claims
- 0287US8220555B1Downhole tool shifting mechanism and method for shifting a downhole toolWINTILL CHARLES DAVID·Filed 2010·Granted Jul 17, 2012·18 cites·12 claims
- 0387US7428932B1Completion system for a wellPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Sep 30, 2008·35 cites·41 claims
- 0479US8567509B1Downhole toolPETROQUIP ENERGY SERVICES LLP·Filed 2013·Granted Oct 29, 2013·7 cites·8 claims
- 0577US7926569B1Bypass device for wellboresPETROQUIP ENERGY SERVICES LLP·Filed 2010·Granted Apr 19, 2011·6 cites·14 claims
- 0675US8151891B1Formation saver sub and methodDARNELL WILLIAM J·Filed 2011·Granted Apr 10, 2012·6 cites·19 claims
- 0772US7921922B2Formation saver sub and methodPETROQUIP ENERGY SERVICES LP·Filed 2008·Granted Apr 12, 2011·14 cites·22 claims
- 0867US8171998B1System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole toolDARNELL WILLIAM JOHN·Filed 2011·Granted May 8, 2012·4 cites·2 claims
- 0964US7392839B1Single line sliding sleeve downhole tool assemblyPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Jul 1, 2008·9 cites·19 claims
- 1063US9664008B2Downhole completion toolKIPPOLA KEVIN SCOTT·Filed 2013·Granted May 30, 2017·2 cites·15 claims
- 1162US8141648B2Multiple-positioning mechanical shifting system and methodDARNELL WILLIAM JOHN·Filed 2009·Granted Mar 27, 2012·8 cites·25 claims
- 1262US7464759B1Method for flowing fluid into or from a wellPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Dec 16, 2008·8 cites·27 claims
- 1359US7422065B1System for controlling zones of fluid in and out of a wellborePETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Sep 9, 2008·6 cites·41 claims
- 1455US10443347B2Downhole completion toolPACKERS PLUS ENERGY SERVICES USA INC·Filed 2018·Granted Oct 15, 2019·0 cites·19 claims
- 1555US7617875B2Shifting apparatus and methodPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Nov 17, 2009·8 cites·23 claims
- 1654US9086286B2Goggles for use in waterLONG RODNEY WAYNE·Filed 2013·Granted Jul 21, 2015·2 cites·13 claims
- 1753US7373970B1Pin connector with seal assemblyPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted May 20, 2008·4 cites·20 claims
- 1852US10107074B2Downhole completion toolPACKERS PLUS ENERGY SERVICES USA INC·Filed 2017·Granted Oct 23, 2018·0 cites·19 claims
- 1952US8251153B1Control line feed through clampLONG RODNEY WAYNE·Filed 2010·Granted Aug 28, 2012·1 cites·20 claims
- 2050US2017241236A1Downhole completion toolKIPPOLA KEVIN SCOTT·Filed 2017·Application pending·0 cites
- 2148US2017335659A1Downhole completion toolKIPPOLA KEVIN SCOTT·Filed 2016·Application pending·0 cites
- 2240US2014223647A1Goggles for Use in WaterLONG RODNEY WAYNE·Filed 2013·Application pending·0 cites
- 2339US7926595B1Filter subPETROQUIP ENERGY SERVICES LLP·Filed 2010·Granted Apr 19, 2011·0 cites·14 claims
- 2439US7516783B2Double pin connector and hydraulic connect with seal assemblyPETROQUIP ENERGY SERVICES LLP·Filed 2008·Granted Apr 14, 2009·0 cites·17 claims
- 2538US7628211B1Method of connecting control lines to well bore equipment for controlling a well on a batch basisPETROQUIP ENERGY SERVICES LLP·Filed 2007·Granted Dec 8, 2009·0 cites·28 claims
- 2637US8172000B1Method for feeding control lines for drilling or workoversLONG RODNEY WAYNE·Filed 2011·Granted May 8, 2012·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →