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51.发明授权Methods for cementing in a subterranean formation using a cement composition containing a set retarder of a polyester 有权使用含有聚酯的阻滞剂的水泥组合物在地下地层中固井的方法公开(公告)号：US09499732B2
公开(公告)日：2016-11-22
申请号：US14024528
申请日：2013-09-11
IPC分类号： C09K8/00 , C04B28/02 , C08K3/00 , C09K8/467 , C04B28/06 , C04B103/00 , C04B103/22 , C04B103/44
CPC分类号： C09K8/467 , C04B28/02 , C04B28/06 , C04B2103/0073 , C04B2103/22 , C04B2103/44 , C04B24/283
摘要： A cement composition for use in an oil or gas well, the cement composition comprises: cement; water; and a polymer, wherein the polymer: (i) comprises a monomer or monomers capable of forming a polyester; and (ii) is capable of providing a thickening time of at least 2 hours at a temperature of 400° F. (204.4° C.) and a pressure of greater than about 500 psi (3.4 MPa) for a test composition consisting essentially of: the cement; the water; and the polymer, and in the same proportions as in the cement composition. A method of cementing in a subterranean formation comprises: introducing the cement composition into the subterranean formation; and allowing the cement composition to set.
摘要翻译： 一种用于油井或气井的水泥组合物，所述水泥组合物包括：水泥; 水; 和聚合物，其中所述聚合物：（i）包含能够形成聚酯的单体或单体; 和（ii）能够在400°F（204.4℃）的温度和大于约500psi（3.4MPa）的压力下提供至少2小时的增稠时间，所述测试组合物基本上由 ：水泥 水; 和聚合物，并且以与水泥组合物中相同的比例。 一种在地层中固井的方法包括：将水泥组合物引入地层; 并允许水泥组合物固化。
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公开(公告)号：US09475976B2
公开(公告)日：2016-10-25
申请号：US13897559
申请日：2013-05-20
CPC分类号： C09K8/52
摘要： Methods of performing a cleanout treatment including providing a wellbore in a subterranean formation having unconsolidated particulates therein; providing a treatment fluid comprising an aqueous base fluid and a hydrophobically modified flocculating water-soluble polymer; introducing the treatment fluid into the wellbore in the subterranean formation; flocculating at least a portion of the unconsolidated particulates by exposure to the hydrophobically modified flocculating water-soluble polymer; removing the treatment fluid comprising the flocculated unconsolidated particulates from the wellbore in the subterranean formation.
摘要翻译： 执行清洁处理的方法，包括在其中具有未固化的颗粒的地下地层中提供井筒; 提供包含基础水溶液和疏水改性的絮凝水溶性聚合物的处理流体; 将处理流体引入到地层中的井眼中; 通过暴露于疏水改性的絮凝水溶性聚合物来絮凝至少一部分未固结的颗粒; 从地层中的井眼除去包含絮凝的未固结的颗粒的处理流体。
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53.发明申请公开(公告)号：US20160215199A1
公开(公告)日：2016-07-28
申请号：US14916923
申请日：2013-09-12
发明人： B. Raghava Reddy , Feng Liang
IPC分类号： C09K8/575
CPC分类号： C09K8/5755 , C09K8/565 , C09K8/575 , C09K8/68 , C09K8/88
摘要： A method of treating a subterranean formation including providing a treatment fluid comprising an aqueous base fluid, a polyvalent metal salt of a carboxylic acid containing monomer, and a cationic monomer. The treatment fluid is combined with a polymerization initiator and is introduced into a subterranean formation. Upon contacting unconsolidated proppants, the treatment method produces consolidated proppants.
摘要翻译： 一种处理地下地层的方法，包括提供包含基础水溶液，含羧酸单体的多价金属盐和阳离子单体的处理流体。 将处理流体与聚合引发剂结合并引入地层。 在接触未固结的支撑剂时，处理方法产生固结的支撑剂。
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公开(公告)号：US09399729B2
公开(公告)日：2016-07-26
申请号：US13856734
申请日：2013-04-04
发明人： Dipti Singh , B. Raghava Reddy , Jeremy Holtsclaw
CPC分类号： C09K8/905 , C09K8/03 , C09K8/40 , C09K8/44 , C09K8/5758 , C09K8/685 , C09K2208/26
摘要： A method of servicing a wellbore in a subterranean formation comprising placing a wellbore servicing fluid in the wellbore and/or subterranean formation, wherein the wellbore servicing fluid comprises a viscosifying polymeric material, a breaking agent comprising an inorganic peroxide of a divalent metal M(II) characterized by the general formula MO2, and a break rate controlling additive comprising a M(II) soluble salt, a M(II) precipitating salt, a M(II) surface precipitating salt, a M(II) solution precipitating salt, or combinations thereof, allowing the wellbore servicing fluid to break, and flowing back to the surface at least a portion of the broken wellbore servicing fluid.
摘要翻译： 一种维护地下地层中的井眼的方法，包括将井眼维修流体放置在井筒和/或地下地层中，其中井筒维修流体包括增粘聚合材料，包含二价金属M（II）的无机过氧化物的破坏剂 （II）可溶性盐，M（II）沉淀盐，M（II）表面沉淀盐，M（II）溶液沉淀盐或者（II））沉淀盐的断裂速率控制添加剂，或 允许井筒维修流体破裂，并将破裂的井眼维修流体的至少一部分流回表面。
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公开(公告)号：US20160177166A1
公开(公告)日：2016-06-23
申请号：US14907379
申请日：2013-10-30
摘要： Embodiments herein include methods comprising providing a sealant composition comprising an aqueous base fluid, a crosslinkable polymer composition, and a density segregation prevention agent, wherein the crosslinkable polymer composition comprises a crosslinkable organic polymer and a crosslinker; introducing a particulate density reducing agent into the sealant composition, wherein the particulate density reducing agent causes the sealant composition to adopt a reduced density as compared to the sealant composition without the particulate density reducing agent, thereby creating a reduced density sealant composition; introducing the reduced density sealant composition into a subterranean formation; and crosslinking the reduced density sealant composition into a gel to form a seal in the subterranean formation.
摘要翻译： 本文的实施方案包括提供包含基础水溶液，可交联聚合物组合物和密度偏析防止剂的密封剂组合物的方法，其中所述可交联聚合物组合物包含可交联的有机聚合物和交联剂; 在密封剂组合物中引入颗粒密度降低剂，其中与没有颗粒密度降低剂的密封剂组合物相比，颗粒密度降低剂导致密封剂组合物采用降低的密度，从而产生密度降低的密封剂组合物; 将所述减密密封剂组合物引入地层; 并将所述还原密度密封剂组合物交联成凝胶以在所述地层中形成密封。
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56.发明申请GELLABLE TREATMENT FLUIDS HAVING ADJUSTABLE GEL TIMES AND METHODS ASSOCIATED THEREWITH 有权具有可调节凝胶时间的可溶性处理液及其相关方法公开(公告)号：US20160053166A1
公开(公告)日：2016-02-25
申请号：US14876976
申请日：2015-10-07
发明人： B. Raghava Reddy , Larry S. Eoff , Freddy Crespo
IPC分类号： C09K8/88
CPC分类号： C09K8/882 , C09K8/5083 , C09K8/512 , C09K8/887
摘要： Gellable treatment fluids may have their gel times modified by using a polymer mixture therein that contains two or more polymers having disparate average molecular weights. Methods for treating a subterranean formation using such gellable treatment fluids can comprise providing a gellable treatment fluid comprising a polymer mixture and a crosslinking agent, introducing the gellable treatment fluid into a subterranean formation, and allowing the gellable treatment fluid to form a gel in the subterranean formation. The polymer mixture comprises a base polymer and an addend polymer, where the base polymer and the addend polymer each comprise an acrylamide monomer unit or a derivative thereof and have different average molecular weights, such that a molecular weight distribution of the polymer mixture contains at least two local maxima.
摘要翻译： 可凝胶化处理液可以通过使用其中含有两种或更多种具有不同平均分子量的聚合物的聚合物混合物来改变凝胶时间。 使用这种可胶凝处理流体处理地下地层的方法可以包括提供包含聚合物混合物和交联剂的可凝胶化处理流体，将可凝胶化处理流体引入地层，并允许可凝胶化处理流体在地下形成凝胶 形成。 聚合物混合物包含基础聚合物和加成聚合物，其中基础聚合物和加成聚合物各自包含丙烯酰胺单体单元或其衍生物，并且具有不同的平均分子量，使得聚合物混合物的分子量分布至少包含 两个本地最大值。
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公开(公告)号：US20150075789A1
公开(公告)日：2015-03-19
申请号：US14362605
申请日：2014-01-23
发明人： Dipti Singh , Jeremy Holtsclaw , B. Raghava Reddy
摘要： Boronated biopolymer crosslinking agents useful in producing viscosified treatment fluids that include an aqueous fluid, a base polymer, and the boronated biopolymer crosslinking agent, wherein the boronated biopolymer crosslinking agent comprises a biopolymer derivatized with a boronic acid, a boronate ester, or both. Such viscosified treatment fluids may be useful in fracturing operations, gravel packing operations, drilling operations, and the like.
摘要翻译： 可用于生产包含水性流体，基础聚合物和硼化生物聚合物交联剂的粘性处理流体的硼化生物聚合物交联剂，其中硼化生物聚合物交联剂包含用硼酸，硼酸酯衍生的生物聚合物或两者。 这种稠化处理流体可用于压裂操作，砾石包装操作，钻孔操作等。
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58.发明申请Wellbore Servicing Methods and Compositions Comprising Degradable Polymers 有权Wellbore服务方法和组成包含可降解聚合物公开(公告)号：US20140116703A1
公开(公告)日：2014-05-01
申请号：US13660740
申请日：2012-10-25
IPC分类号： E21B43/25
摘要： A method of servicing a wellbore comprising providing a degradable polymer within a portion of a wellbore, a subterranean formation or both; preparing a wellbore servicing fluid comprising a degradation accelerator wherein the degradation accelerator comprises an alkanolamine, an oligomer of aziridine, a polymer of azridine, a diamine, or combinations thereof; and placing the wellbore servicing fluid comprising a degradation accelerator into the wellbore, the subterranean formation or both wherein the degradation accelerator contacts the degradable polymer.
摘要翻译： 一种维修井眼的方法，包括在井眼，地下地层或两者的一部分内提供可降解的聚合物; 制备包含降解促进剂的井眼维修流体，其中所述降解促进剂包括链烷醇胺，氮丙啶的低聚物，吖啶的聚合物，二胺或其组合; 以及将包含降解促进剂的井筒维修流体放置到井眼，地下地层或二者中，其中降解促进剂与可降解聚合物接触。
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公开(公告)号：US10336933B2
公开(公告)日：2019-07-02
申请号：US15788562
申请日：2017-10-19
发明人： B. Raghava Reddy , Feng Liang , Ronnie G. Morgan
摘要： Embodiments herein include a method comprising providing a self-sealing cement slurry comprising an aqueous base fluid, a cementitious material, and a vulcanized oil and water swellable particulate composite, wherein the vulcanized oil and water swellable particulate composite comprises an elastomer, a crosslinked water swellable superabsorbent polymer, and a hydrophobically modified water-soluble polymer; introducing the self-sealing cement slurry into a subterranean formation; and allowing the self-sealing cement slurry to set, wherein the vulcanized oil and water swellable particulate composite is capable of swelling in the presence of a non-aqueous fluid and an aqueous fluid to reduce the permeability of fluid flowpaths in the set self-sealing cement slurry upon loss of structural integrity.
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公开(公告)号：US10294408B2
公开(公告)日：2019-05-21
申请号：US14786594
申请日：2013-09-12
发明人： B. Raghava Reddy , Feng Liang , Philip D. Nguyen
IPC分类号： C09K8/575 , C09K8/68 , E21B43/26 , E21B43/267
摘要： Some embodiments herein described relate to method comprising: providing a portion of a subterranean formation comprising unconsolidated particulates; introducing a polymerizable aqueous consolidation composition into the portion of the subterranean formation so as to contact the unconsolidated particulates with the polymerizable aqueous consolidation composition, thereby creating coated, unconsolidated particulates; introducing a substantially solids-free, aqueous flush fluid into the portion of the subterranean formation so as to remove the polymerizable aqueous consolidation composition from interstitial spaces between the coated, unconsolidated particulates; introducing a water-soluble polymerization initiator composition into the portion of the subterranean formation so as to contact the coated, unconsolidated particulates; and consolidating the coated, unconsolidated particulates in the portion of the subterranean formation.
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