Inventor · disambiguated record
Tawfik N. Nasr
Also filed as: NASR TAWFIK · NASR TAWFIK N · NASR TAWFIK NOAMAN
13 granted patents·3 pending applications·322 citations·filing 1990–2022
91Inventor score
Files withCONOCOPHILLIPS CO5ALBERTA OIL SANDS TECH3BANERJEE DWIJEN K2NASR TAWFIK N2ALBERTA SCIENCE AND RES AUTHOR1
Top patents by PatentIndex Score
16 records- 0190US6591908B2Hydrocarbon production process with decreasing steam and/or water/solvent ratioALBERTA SCIENCE AND RES AUTHOR·Filed 2001·Granted Jul 15, 2003·77 cites·30 claims
- 0286US8474531B2Steam-gas-solvent (SGS) process for recovery of heavy crude oil and bitumenNASR TAWFIK NOAMAN·Filed 2010·Granted Jul 2, 2013·10 cites·10 claims
- 0384US6230814B1Process for enhancing hydrocarbon mobility using a steam additiveALBERTA OIL SANDS TECH·Filed 1999·Granted May 15, 2001·117 cites·26 claims
- 0477US8960286B2Heavy oil recovery using SF6 and RF heatingBANERJEE DWIJEN K·Filed 2011·Granted Feb 24, 2015·3 cites·23 claims
- 0575US9739123B2Dual injection points in SAGDWHEELER THOMAS J·Filed 2012·Granted Aug 22, 2017·5 cites·20 claims
- 0669US5056596ARecovery of bitumen or heavy oil in situ by injection of hot water of low quality steam plus caustic and carbon dioxideALBERTA OIL SANDS TECH·Filed 1990·Granted Oct 15, 1991·52 cites·8 claims
- 0765US8967282B2Enhanced bitumen recovery using high permeability pathwaysDREHER JR WAYNE REID·Filed 2011·Granted Mar 3, 2015·4 cites·33 claims
- 0862US12157855B2Hydrocarbon recovery with steam and solvent stagesCONOCOPHILLIPS CO·Filed 2022·Granted Dec 3, 2024·0 cites·16 claims
- 0960US11370958B2Hydrocarbon recovery with steam and solvent stagesCONOCOPHILLIPS CO·Filed 2013·Granted Jun 28, 2022·2 cites·17 claims
- 1060US6186232B1Enhanced oil recovery by altering wettabilityALBERTA OIL SANDS TECH·Filed 1998·Granted Feb 13, 2001·52 cites·9 claims
- 1146US10400561B2Method for accelerating heavy oil productionCONOCOPHILLIPS CO·Filed 2013·Granted Sep 3, 2019·0 cites·17 claims
- 1244US2014332210A1Top-down oil recoveryCONOCOPHILLIPS CO·Filed 2014·Application pending·0 cites
- 1341US8720548B2Process for enhanced production of heavy oil using microwavesBANERJEE DWIJEN K·Filed 2011·Granted May 13, 2014·0 cites·19 claims
- 1440US2012168158A1Enhanced hydrocarbon recovery from low mobility reservoirsNASR TAWFIK N·Filed 2011·Application pending·0 cites
- 1540US2012312534A1Enhanced hydrocarbon recovery through gas production control for noncondensable solvents or gases in sagd or es-sagd operationsNASR TAWFIK N·Filed 2012·Application pending·0 cites
- 1637US10633957B2Reducing solvent retention in ES-SAGDCONOCOPHILLIPS CO·Filed 2014·Granted Apr 28, 2020·0 cites·8 claims
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