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公开(公告)号：US10337289B2
公开(公告)日：2019-07-02
申请号：US14648553
申请日：2013-11-25
Applicant: M-I L.L.C.
IPC: E21B36/00 , E21B43/24 , C09K8/82 , C09K8/42 , C09K8/50 , C09K8/34 , C09K8/502 , C04B26/04 , C09K8/44
Abstract: An insulating packer fluid including an oleaginous fluid and a styrenic thermoplastic block copolymer and methods of preparing the packer fluid are provided. Also provided are methods of using the insulating packer fluid that include pumping an insulating packer fluid into an annulus formed between two concentric strings of pipe extending into a wellbore.
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公开(公告)号：US10214677B2
公开(公告)日：2019-02-26
申请号：US15400354
申请日：2017-01-06
Applicant: M-I L.L.C.
IPC: E21B37/00 , C09K8/52 , C09K8/035 , E21B37/08 , E21B43/08 , E21B43/10 , E21B43/25 , C08F220/56 , C09K8/12 , G01V3/20 , G01V3/34 , C08F220/54 , G01V3/24 , C08F212/14 , C08F228/02
Abstract: A method may include circulating a breaker fluid into a wellbore having a filtercake on the walls thereon, the filter cake including copolymer formed from at least one acrylamide monomer and at least one sulfonated anionic monomer, the breaker fluid comprising: a base fluid; and a mixture of hydrolysable esters of dicarboxylic acids.
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公开(公告)号：US20180312739A1
公开(公告)日：2018-11-01
申请号：US15770470
申请日：2016-10-28
Applicant: M-I L.L.C.
Inventor： Balakrishnan Panamarathupalayam , Richard Toomes
CPC classification number: C09K8/512 , C08F26/10 , C08L39/06 , C09K8/12 , C09K8/5086 , C08F220/56 , C08F2220/585 , C08L33/26
Abstract: Compositions herein may include an aqueous fluid, a crosslinked polyvinylpyrrolidone (PVP), and a betaine based polymer. Methods herein may include pumping a selected amount of a fluid loss pill into a formation, the fluid loss pill including a crosslinked PVP and a betaine based polymer.
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公开(公告)号：US20160177163A1
公开(公告)日：2016-06-23
申请号：US14979975
申请日：2015-12-28
Applicant: M-I L.L.C.
Inventor： Changping Sui , Balakrishnan Panamarathupalayam
CPC classification number: C09K8/035 , C09K8/5083 , C09K8/512
Abstract: A brine viscosifier includes at least one monomer and triethoxyvinylsilane (TEVS) to provide crosslinking among the at least one monomer. A method includes admixing a composition comprising a brine, a thermal stabilizer, a pH buffer, and a polymer. The polymer may include a monomer, an organic crosslinker, an inorganic crosslinker; and an initiator.
Abstract translation: 盐水增粘剂包括至少一种单体和三乙氧基乙烯基硅烷（TEVS），以提供至少一种单体之间的交联。 一种方法包括混合包含盐水，热稳定剂，pH缓冲剂和聚合物的组合物。 聚合物可以包括单体，有机交联剂，无机交联剂; 和发起者。
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15.发明申请SYNTHESIS OF ORGANIC-INORGANIC HYBRID WATER SOLUBLE POLYMERS IN OIL FIELD APPLICATIONS 审中-公开有机无机混合水溶性聚合物在油田应用中的合成公开(公告)号：US20160152753A1
公开(公告)日：2016-06-02
申请号：US14901118
申请日：2014-09-11
Applicant: M-I L.L.C.
Inventor： Changping Sui , Balakrishnan Panamarathupalayam
IPC: C08F220/58 , C08F220/56
CPC classification number: C08F230/08 , C08F216/125 , C08F220/54 , C08F220/56 , C08F220/58 , C08F226/10 , C08F236/20 , C08F236/22 , C08F2220/585 , C08F2230/085 , C08K5/5425
Abstract: Compositions may include a monomer, an organic crosslinker, an inorganic crosslinker, and an initiator. Furthermore, compositions may include at least one monomer and triethoxyvinylsilane (TEVS) to provide crosslinking among the at least one monomer.
Abstract translation: 组合物可以包括单体，有机交联剂，无机交联剂和引发剂。 此外，组合物可以包括至少一种单体和三乙氧基乙烯基硅烷（TEVS）以提供至少一种单体之间的交联。
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Patent Agency Ranking
16.发明申请公开(公告)号：US20150299558A1
公开(公告)日：2015-10-22
申请号：US14648509
申请日：2013-11-29
Applicant: M-I L.L.C.
CPC classification number: C09K8/592 , E21B36/003 , E21B36/006 , E21B43/24
Abstract: Insulating packer fluids containing colloidal silica inorganic additives may be used in methods that reduce convective currents in a packer fluid. In other aspects, packer fluids containing colloidal silica inorganic additives may be used in methods of insulating production wells and methods for stimulating production of hydrocarbons.
Abstract translation: 含有胶体二氧化硅无机添加剂的绝缘封隔器流体可用于减少封隔器流体中的对流电流的方法。 在其它方面，含有胶体二氧化硅无机添加剂的封隔器流体可用于绝缘生产井的方法和用于刺激烃生产的方法。
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公开(公告)号：US20150191640A1
公开(公告)日：2015-07-09
申请号：US14591455
申请日：2015-01-07
Applicant: M-I, L.L.C.
Inventor： Lijein Lee , Balakrishnan Panamarathupalayam , Pawilai Chinwangso
Abstract: A drilling fluid, comprising an aqueous continuous phase, a polymeric fluid loss control agent formed from at least an acrylamide monomer, and a sulfonated anionic monomer, and a gelling material comprising at least one of clay or a cross-linked polyvinylpyrrolidone.
Abstract translation: 包含水性连续相的钻井流体，由至少丙烯酰胺单体形成的聚合物流体损失控制剂和磺化阴离子单体，以及包含至少一种粘土或交联聚乙烯吡咯烷酮的胶凝材料。
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公开(公告)号：US11795366B2
公开(公告)日：2023-10-24
申请号：US16652393
申请日：2018-11-28
Applicant: M-I L.L.C.
Inventor： Balakrishnan Panamarathupalayam
IPC: C09K8/512 , C08F220/56 , E21B17/22
CPC classification number: C09K8/512 , E21B17/22 , C08F220/56
Abstract: A coiled tubing wellbore fluid may include a base fluid; and a crosslinked and branched polymeric fluid loss control agent formed from at least an acrylamide monomer and a sulfonated anionic monomer; wherein the coiled tubing wellbore fluid has a low shear rate viscosity, measured at 120° F. at 3 rpm, of at least 20,000 centipoise.
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公开(公告)号：US10968380B2
公开(公告)日：2021-04-06
申请号：US15400422
申请日：2017-01-06
Applicant: M-I L.L.C.
Inventor： Balakrishnan Panamarathupalayam
IPC: E21B21/00 , C09K8/52 , C08F220/54 , C09K8/508 , C09K8/512 , E21B37/00 , C09K8/035 , E21B37/08 , E21B43/08 , E21B43/10 , E21B43/25 , C08F220/56 , C09K8/12 , G01V3/20 , G01V3/34 , C08F212/14 , C08F228/02
Abstract: A wellbore fluid includes a base fluid; and a crosslinked and branched polymeric fluid loss control agent formed from at least an acrylamide monomer and a sulfonated anionic monomer; wherein the fluid loss control agent has an extent of crosslinking that is selected so that the fluid loss control agent has a viscosity that is within a peak viscosity response of the viscosity response curve.
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公开(公告)号：US10920124B2
公开(公告)日：2021-02-16
申请号：US16074060
申请日：2017-01-30
Applicant: M-I L.L.C.
Inventor： Balakrishnan Panamarathupalayam , Paulo Pauferro, Jr.
IPC: C09K8/36
Abstract: Compositions herein may include an oleaginous continuous phase, an aqueous discontinuous phase, a first clay comprising an organophilic smectite clay, and a second clay comprising a magnesium silicate clay. Methods herein may include circulating such fluids downhole as well as admixing a magnesium silicate dispersed clay and an organophilic smectite clay in an oleaginous base fluid.
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