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    HYDROGEL PRECURSORS HAVING NANOPARTICLES
    11.
    发明申请
    HYDROGEL PRECURSORS HAVING NANOPARTICLES 审中-公开

    公开(公告)号：US20190314554A1

    公开(公告)日：2019-10-17

    申请号：US16428534

    申请日：2019-05-31

    Applicant: THE UNIVERSITY OF KANSAS

    Inventor： Michael DETAMORE ,  Emily BECK ,  Stevin GEHRKE ,  Cory BERKLAND

    IPC: A61L27/48 ,  A61L27/38 ,  A61L27/50 ,  A61L27/20 ,  A61L27/52 ,  A61L27/54

    Abstract: An implantable hydrogel precursor composition can include: a cross-linkable polymer matrix that is biocompatible; and a plurality of polymer particles in the cross-linkable polymer matrix. The cross-linkable polymer matrix can include a cross-linkable hyaluronic acid polymer that has cross-linkable functional groups. The hyaluronic acid polymer can be a methacrylated hyaluronic acid polymer. The methacrylated hyaluronic acid polymer can have a molecular weight from about 500 kDa to about 1.8 MDa. The polymer particles can include a cross-linked hyaluronic acid. The cross-linkable polymer matrix having the polymer particles has a yield stress. The cross-linkable polymer matrix having the polymer particles has shape retention at physiological temperatures. The composition can include live cells in the cross-linkable polymer matrix. The composition can include a biologically active agent in the cross-linkable polymer matrix.

    FLUORESCENT TAGS FOR DETECTION OF SWELLABLE POLYMERS
    13.
    发明申请
    FLUORESCENT TAGS FOR DETECTION OF SWELLABLE POLYMERS 审中-公开
    用于检测可裂解聚合物的荧光标签

    公开(公告)号：US20140196894A1

    公开(公告)日：2014-07-17

    申请号：US14059580

    申请日：2013-10-22

    Applicant: University of Kansas ,  ConocoPhillips Company

    Inventor： Cory BERKLAND ,  Huili GUAN ,  Ahmad MORADI-ARAGHI ,  Jenn-Tai LIANG ,  Terry M. CHRISTIAN ,  Riley B. NEEDHAM ,  James H. HEDGES ,  Min CHENG ,  Faye L. SCULLY

    IPC: C09K8/588

    CPC classification number: C09K8/588 ,  C09K8/035 ,  C09K8/512 ,  C09K8/887

    Abstract: The invention is directed to stable crosslinked swellable fluorescently tagged polymeric microparticles, methods for making same, and their various uses. A particularly important use is as an injection fluid in petroleum production, where the expandable polymeric particles are injected into target zone and when the heat and/or suitable pH of the target zone cause degradation of the labile crosslinker and the microparticles expand. The swelled polymer diverts water to lower permeability regions and improves oil recovery. The tags allow monitoring of the presence and concentration of the tagged microparticles and ultimately allow evaluation of the performance of such treatments. Detection of polymeric microparticles in producing wells can be instructive for teaching about the character and extent of thief zones in the subsurface. Better knowledge of the reservoir flow will enable improved application of the gel treatments, improved oil recovery, and allow improved forecasting using simulation modeling.

    Abstract translation: 本发明涉及稳定的交联可溶胀荧光标记的聚合物微粒，其制备方法及其各种用途。 特别重要的用途是作为石油生产中的注射液，其中将可发性聚合物颗粒注入目标区域，并且当目标区域的热和/或合适的pH导致不稳定交联剂的降解和微粒膨胀时。 溶胀的聚合物将水转移到渗透性较低的区域，并改善油的回收率。 标签允许监测标记的微粒的存在和浓度，并且最终允许评价这些处理的性能。 在生产井中检测聚合物微粒可能有助于教授地下小偷区域的特征和程度。 更好地了解储层流动将有助于改进凝胶处理的应用，改善石油采收率，并允许使用模拟建模改进预测。

    SWELLABLE POLYMER WITH CATIONIC SITES
    14.
    发明申请
    SWELLABLE POLYMER WITH CATIONIC SITES 有权
    可溶性聚合物与阳离子网站

    公开(公告)号：US20140162912A1

    公开(公告)日：2014-06-12

    申请号：US14182901

    申请日：2014-02-18

    Applicant: University of Kansas ,  ConocoPhillips Company

    Inventor： Ahmad MORADI-ARAGHI ,  James H. HEDGES ,  David R. ZORNES ,  Riley B. NEEDHAM ,  Huili GUAN ,  Jenn-Tai LIANG ,  Cory BERKLAND ,  James P. JOHNSON ,  Min CHENG ,  Faye Lynn SCULLY

    IPC: C09K8/88

    CPC classification number: C09K8/887 ,  C09K8/588

    Abstract: The invention is directed to long lasting crosslinked water-soluble swellable polymers, methods for making same, and their uses. More particularly, the invention relates to a composition comprising expandable polymeric particles having cationic sites as well as labile crosslinkers and stable crosslinkers, said particle mixed with a fluid. A particularly important use is as an injection fluid in petroleum production, where the expandable polymeric particles are injected into a target zones in the reservoirs and when the heat and/or a suitable pH in the reservoir cause degradation of the labile crosslinker and when the particle expands, the cationic sites in the polymer adsorb to negative sites of the rock in the formation, thus diverting water to lower permeability regions and improving oil recovery. However, many other uses are possible.

    Abstract translation: 本发明涉及长效交联水溶性可溶胀聚合物，其制备方法及其用途。 更具体地说，本发明涉及包含具有阳离子位点的可发性聚合物颗粒以及不稳定的交联剂和稳定的交联剂的组合物，所述颗粒与流体混合。 特别重要的用途是作为石油生产中的注入流体，其中将可发性聚合物颗粒注入到储存器中的目标区域中，并且当储存器中的热量和/或合适的pH引起不稳定交联剂的降解时， 膨胀，聚合物中的阳离子部位吸附在地层中的岩石的负位点，从而将水转移到较低的渗透率区域并提高油的回收率。 然而，许多其他用途是可能的。

    CROSSLINKING OF SWELLABLE POLYMER WITH PEI
    15.
    发明申请
    CROSSLINKING OF SWELLABLE POLYMER WITH PEI 审中-公开
    可裂解聚合物与PEI的交联

    公开(公告)号：US20140144628A1

    公开(公告)日：2014-05-29

    申请号：US14087440

    申请日：2013-11-22

    Applicant: UNIVERSITY OF KANSAS ,  CONOCOPHILLIPS COMPANY

    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

    CPC classification number: 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.

    Abstract translation: 本发明涉及可以进一步凝胶化的稳定和不稳定的交联水溶胀性聚合物微粒，其制备方法及其在卫生和医学领域，凝胶电泳，包装，农业，电缆工业，信息技术， 食品工业，造纸，用作絮凝助剂等。 更具体地说，本发明涉及包含具有不稳定交联剂和稳定交联剂的可发性聚合物微粒的组合物，所述微粒与流体混合，以及包含PEI或其它聚胺基三级交联剂的未反应的叔交联剂，其能够在降解时进一步交联微粒 不稳定的交联剂和颗粒的溶胀，从而形成稳定的凝胶。 特别重要的用途是作为石油生产中的注入流体，其中将可发性聚合物微粒注入井中，并且当井的热和/或pH引起不稳定交联剂的降解时，并且当微粒膨胀时，三价交联剂交联 聚合物形成稳定的凝胶，从而将水转移到渗透率较低的区域，并提高油的回收率。

    CROSSLINKING OF SWELLABLE POLYMER WITH PEI
    16.
    发明申请
    CROSSLINKING OF SWELLABLE POLYMER WITH PEI 有权

    公开(公告)号：US20220348817A1

    公开(公告)日：2022-11-03

    申请号：US17864126

    申请日：2022-07-13

    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 by covalent crosslinking in a transamidation reaction, 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.

    CROSSLINKING OF SWELLABLE POLYMER WITH PEI
    18.
    发明申请
    CROSSLINKING OF SWELLABLE POLYMER WITH PEI 审中-公开

    公开(公告)号：US20200095496A1

    公开(公告)日：2020-03-26

    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 ,  E21B43/16 ,  E21B33/138

    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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