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公开(公告)号：US11384279B2
公开(公告)日：2022-07-12
申请号：US17079877
申请日：2020-10-26
Applicant: CONOCOPHILLIPS COMPANY , University of Kansas
Inventor： Huili Guan , Cory Berkland , Ahmad Moradi-Araghi , Jenn-Tai Liang , Terry M. Christian , Riley B. Needham , Min Cheng
Abstract: The disclosure is directed to methods and compositions delaying the gelation of polymers in water flooding by sequentially or co-injecting a carboxylate-containing polymer solution, a gel-delaying polymer, and gelation agent into a hydrocarbon reservoir. Delays of weeks are observed.
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公开(公告)号：US11884881B2
公开(公告)日：2024-01-30
申请号：US17838142
申请日：2022-06-10
Applicant: ConocoPhillips Company
Inventor： Huili Guan , Cory Berkland , Ahmad Moradi-Araghi , Jenn-Tai Liang , Terry M. Christian , Riley B. Needham , Min Cheng
Abstract: The disclosure is directed to methods and compositions delaying the gelation of polymers in water flooding by sequentially or co-injecting a carboxylate-containing polymer solution, a gel-delaying polymer, and gelation agent into a hydrocarbon reservoir. Delays of weeks are observed.
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公开(公告)号：US11034883B2
公开(公告)日：2021-06-15
申请号：US14989350
申请日：2016-01-06
Applicant: ConocoPhillips Company , University of Kansas
Inventor： Stephen J Johnson , Cory Berkland , Ahmad Moradi-Araghi , Jenn-Tai Liang , Terry M. Christian , Riley B. Needham , Min Cheng , Ying-Ying Lin , Andrew B. Woodside
Abstract: The disclosure is directed to low molecular weight polyelectrolyte complex nanoparticles that can be used to deliver agents deep into hydrocarbon reservoirs. Methods of making and using said polyelectrolyte complex nanoparticles are also provided.
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公开(公告)号：US09796909B2
公开(公告)日：2017-10-24
申请号：US14143169
申请日：2013-12-30
Applicant: CONOCOPHILLIPS COMPANY , University of Kansas
Inventor： Huili Guan , Cory Berkland , Ahmad Moradi-Araghi , Jenn-Tai Liang , Terry M. Christian , Riley B. Needham , Min Cheng , Faye Lynn Scully , James H. Hedges
Abstract: The instant application relates to nanogels or compositions that hold multivalent metal ions until some level of nanogel degradation has occurred, then slowly release the multivalent metal ions for gelation with carboxylate containing polymers. Compositions comprising such nanogels, together with polymers that can be crosslinked with multivalent metal ions, allow the deployment of such mixtures in various applications, and greatly increased gelation times.
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公开(公告)号：US11820939B2
公开(公告)日：2023-11-21
申请号：US17847161
申请日：2022-06-22
Applicant: ConocoPhillips Company
Inventor： Huili Guan , Cory Berkland , Ahmad Moradi-Araghi , Jenn-Tai Liang , Terry M. Christian , Riley B. Needham , Min Cheng , Faye Lynn Scully , James H. Hedges
Abstract: The instant application relates to nanogels or compositions that hold multivalent metal ions until some level of nanogel degradation has occurred, then slowly release the multivalent metal ions for gelation with carboxylate containing polymers. Compositions comprising such nanogels, together with polymers that can be crosslinked with multivalent metal ions, allow the deployment of such mixtures in various applications, and greatly increased gelation times.
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Patent Agency Ranking
公开(公告)号：US11466198B2
公开(公告)日：2022-10-11
申请号：US16694004
申请日：2019-11-25
Applicant: CONOCOPHILLIPS COMPANY , University of Kansas
Inventor： Ahmad Moradi-Araghi , Min Cheng , Riley B. Needham , James H. Hedges , Ramesh S. Sarathi , Faye L. Scully , Terry M. Christian , Huili Guan , Cory Berkland , Jenn-Tai Liang
IPC: C09K8/588 , E21B33/138 , E21B43/16
Abstract: The invention is directed to stable and labile crosslinked water swellable polymeric microparticles that can be further gelled, methods for making same, and their various uses in the hygiene and medical arts, gel electrophoresis, packaging, agriculture, the cable industry, information technology, in the food industry, papermaking, use as flocculation aids, and the like. More particularly, the invention relates to a composition comprising expandable polymeric microparticles having labile crosslinkers and stable crosslinkers, said microparticle mixed with a fluid and an unreacted tertiary crosslinker comprising PEI or other polyamine based tertiary crosslinker that is capable of further crosslinking the microparticle on degradation of the labile crosslinker and swelling of the particle, so as to form a stable gel. A particularly important use is as an injection fluid in petroleum production, where the expandable polymeric microparticles are injected into a well and when the heat and/or pH of the well cause degradation of the labile crosslinker and when the microparticle expands, the tertiary crosslinker crosslinks the polymer to form a stable gel, thus diverting water to lower permeability regions and improving oil recovery.
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公开(公告)号：US10851286B2
公开(公告)日：2020-12-01
申请号：US14847734
申请日：2015-09-08
Applicant: CONOCOPHILLIPS COMPANY , University of Kansas
Inventor： Huili Guan , Cory Berkland , Ahmad Moradi-Araghi , Jenn-Tai Liang , Terry M. Christian , Riley B. Needham , Min Cheng
Abstract: The disclosure is directed to methods and compositions delaying the gelation of polymers in water flooding by sequentially or co-injecting a carboxylate-containing polymer solution, a gel-delaying polymer, and gelation agent into a hydrocarbon reservoir. Delays of weeks are observed.
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公开(公告)号：US10752826B2
公开(公告)日：2020-08-25
申请号：US15708034
申请日：2017-09-18
Applicant: ConocoPhillips Company , University of Kansas
Inventor： Huili Guan , Cory Berkland , Ahmad Moradi-Araghi , Jenn-Tai Liang , Terry M. Christian , Riley B. Needham , Min Cheng , Faye Lynn Scully , James H. Hedges
Abstract: The instant application relates to nanogels or compositions that hold multivalent metal ions until some level of nanogel degradation has occurred, then slowly release the multivalent metal ions for gelation with carboxylate containing polymers. Compositions comprising such nanogels, together with polymers that can be crosslinked with multivalent metal ions, allow the deployment of such mixtures in various applications, and greatly increased gelation times.
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公开(公告)号：US09644136B2
公开(公告)日：2017-05-09
申请号：US14173901
申请日：2014-02-06
Applicant: ConocoPhillips Company , University of Kansas
Inventor： Huili Guan , Cory Berkland , Ahmad Moradi-Araghi , Jenn-Tai Liang , Terry M. Christian , Riley B. Needham , James H. Hedges , Min Cheng , Faye L. Scully
CPC classification number: C09K8/588 , C08F220/56 , C08F2800/10 , C08L33/26 , C09K8/594 , E21B33/138 , E21B43/164 , Y02P90/70
Abstract: The invention is directed to polymers that self-crosslink at acidic pH or can be crosslinked by phenolic agents in brine. Such polymers have lower viscosity and can be pumped deep into reservoirs, where they will cross link in situ, thus increasing their viscosity and/or form a gel and blocking thief zones. Methods of making and using such polymers are also provided.
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公开(公告)号：US11634626B2
公开(公告)日：2023-04-25
申请号：US17412152
申请日：2021-08-25
Applicant: ConocoPhillips Company , University of Kansas
Inventor： Ying-Ying Lin , Cory Berkland , Jenn-Tai Liang , Ahmad Moradi-Araghi , Terry M. Christian , Riley B. Needham , James H. Hedges , Min Cheng , Faye L. Scully , David R. Zornes
Abstract: The disclosure is directed to polyelectrolyte complex nanoparticles that can be used to deliver agents deep into hydrocarbon reservoirs. Methods of making and using said polyelectrolyte complex nanoparticles are also provided.
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