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31. 发明授权

US4637883A Fluid loss additives for oil base muds and low fluid loss compositions thereof 失效
公开(公告)号：US4637883A
公开(公告)日：1987-01-20
申请号：US848559
申请日：1986-04-07
申请人： Arvind D. Patel , Carmelita S. Salandanan
发明人： Arvind D. Patel , Carmelita S. Salandanan
IPC分类号： C09K8/035 , C09K8/32 , C09K7/06
CPC分类号： C09K8/035 , C09K8/32 , Y10S507/91
摘要： A novel ammonium salt of quebracho prepared by reacting quebracho with alkyl quaternary ammonium salts is an effective fluid loss control agent when used in oil base drilling fluids for use in drilling oil and gas wells, especially in water in oil emulsion drilling mud formulations, controlling filtrate loss of the oil-base mud under high temperature and high pressure conditions.

32. 发明授权

US4525562A Thermally stable drilling fluid additive 失效
标题翻译：耐热稳定的钻井液添加剂
公开(公告)号：US4525562A
公开(公告)日：1985-06-25
申请号：US501900
申请日：1983-06-07
申请人： Arvind D. Patel
发明人： Arvind D. Patel
IPC分类号： C08F8/36 , C08F212/14 , C09K8/24 , C08F222/04 , C09K7/00
CPC分类号： C09K8/24 , C08F212/14 , C08F8/36 , C08F2800/20
摘要： This invention relates to a water soluble polymer and method for its preparation. The water soluble polymer exhibits superior thermal stability characteristics when used as an additive in aqueous drilling fluids. The polymer consists of a major portion of a catechol based monomer and a dicarboxylic acid. Other monomers and materials are added to enhance the functional characteristics of the drilling fluid additive. The method of this invention includes the mixing of monomers, polymerization of that mixture and optionally the steps of hydrolysis and sulfonation.
摘要翻译：本发明涉及一种水溶性聚合物及其制备方法。当用作水性钻井液中的添加剂时，水溶性聚合物表现出优异的热稳定性。聚合物由基于邻苯二酚的单体和二羧酸的主要部分组成。加入其它单体和材料以增强钻井液添加剂的功能特性。本发明的方法包括单体的混合，该混合物的聚合以及任选的水解和磺化步骤。

33. 发明授权

US10035945B2 Methods of delaying the curing of moisture sensitive curable elastomers 有权
公开(公告)号：US10035945B2
公开(公告)日：2018-07-31
申请号：US13000518
申请日：2009-06-17
申请人： Jason T. Scorsone , Arvind D. Patel , Mark W. Sanders
发明人： Jason T. Scorsone , Arvind D. Patel , Mark W. Sanders
IPC分类号： C09K8/42 , C09K8/575 , C09K8/035 , C09K8/508
CPC分类号： C09K8/5755 , C09K8/035 , C09K8/5086
摘要： A method of treating a formation that includes injecting gelling components curable by a moisture cure into a selected region of the formation; and controlling the onset of curing of the gelling components by contacting the gelling components with a drying agent is disclosed.

34. 发明申请

US20110278006A1 DEFLUIDIZING LOST CIRCULATION PILLS 审中-公开
标题翻译：破坏循环桩
公开(公告)号：US20110278006A1
公开(公告)日：2011-11-17
申请号：US13146750
申请日：2010-01-29
申请人： Mark W. Sanders , Jason T. Scorsone , Arvind D. Patel
发明人： Mark W. Sanders , Jason T. Scorsone , Arvind D. Patel
IPC分类号： E21B33/13 , C09K8/58 , E21B33/138
CPC分类号： C09K8/5045 , C09K8/16 , C09K8/32 , C09K8/80 , C09K2208/08 , C09K2208/18
摘要： A slurry for treating a wellbore that includes a base fluid; at least one fibrous structure; and a plurality of calcium silicate particles is disclosed. Methods of reducing loss of wellbore fluid in a wellbore to a formation using an LCM pill having calcium silicate particles therein is also disclosed.
摘要翻译：一种用于处理包括基础流体的井筒的浆料; 至少一个纤维结构; 并且公开了多个硅酸钙颗粒。还公开了使用其中具有硅酸钙颗粒的LCM丸将井眼中的井筒流体减少到地层的方法。

35. 发明申请

US20110190171A1 LOW TOXICITY SHALE HYDRATION INHIBITION AGENT AND METHOD OF USE 失效
标题翻译：低毒性SHALE HYDRIC抑制剂及其使用方法
公开(公告)号：US20110190171A1
公开(公告)日：2011-08-04
申请号：US13082973
申请日：2011-04-08
申请人： Arvind D. Patel
发明人： Arvind D. Patel
IPC分类号： C09K8/06
CPC分类号： C09K8/12 , C09K2208/12
摘要： A low toxicity composition and method of reducing the swelling of clay in well comprising circulating in the well a water-based fluid comprising a functionally effective concentration of the additive formed from the following reaction of a tertiary amine of the following general formula: wherein R1 and R2 are alkyl or hydroxyalkyl groups with one to three carbon atoms or combinations thereof, and R3 is a hydroxyalkyl group with one to three carbon atoms, with an alkylating agent of the following general formula: R-A wherein R is an alkyl radical with one to three carbon atoms, and A is an organic or inorganic anion selected from the group consisting of sulfate, phosphate, carbonate, and combinations thereof.
摘要翻译：一种低毒组合物和减少井中粘土膨胀的方法，包括在井中循环的水基流体，其包含由以下通式的叔胺的以下反应形成的功能有效浓度的添加剂：其中R1和 R2是具有1至3个碳原子的烷基或羟烷基或其组合，并且R 3是具有1至3个碳原子的羟烷基，具有以下通式的烷基化剂：其中R是具有1至3个碳原子，A是选自硫酸盐，磷酸盐，碳酸盐及其组合的有机或无机阴离子。

36. 发明申请

US20110100628A1 METHODS OF DELAYING THE CURING OF MOISTURE SENSITIVE CURABLE ELASTOMERS 审中-公开
标题翻译：延缓湿润敏感可固化弹性体固化的方法
公开(公告)号：US20110100628A1
公开(公告)日：2011-05-05
申请号：US13000518
申请日：2009-06-17
申请人： Jason T. Scorsone , Arvind D. Patel , Mark W. Sanders
发明人： Jason T. Scorsone , Arvind D. Patel , Mark W. Sanders
IPC分类号： C09K8/00 , E21B43/00
CPC分类号： C09K8/5755 , C09K8/035 , C09K8/5086
摘要： A method of treating a formation that includes injecting gelling components curable by a moisture cure into a selected region of the formation; and controlling the onset of curing of the gelling components by contacting the gelling components with a drying agent is disclosed.
摘要翻译：一种处理地层的方法，包括将通过湿气固化固化的胶凝组分注入到所述地层的选定区域中; 并且公开了通过使胶凝组分与干燥剂接触来控制凝胶组分的固化开始。

37. 发明授权

US07312183B2 Shale hydration inhibition agent and method of use 失效
标题翻译：页岩水化抑制剂及其使用方法
公开(公告)号：US07312183B2
公开(公告)日：2007-12-25
申请号：US10958635
申请日：2004-10-05
申请人： Arvind D. Patel , Emanuel Stamatakis
发明人： Arvind D. Patel , Emanuel Stamatakis
IPC分类号： C09K8/035
CPC分类号： C09K8/22 , C09K8/20 , C09K8/24 , C09K8/68 , C09K2208/12
摘要： A water-base fluid for use in drilling, cementing, workover, fracturing and abandonment of subterranean wells through a formation containing shale which swells in the presence of water. In one illustrative embodiment, the drilling fluid is composed of an aqueous based continuous phase, a weighting agent, and a shale hydration inhibition agent. The shale hydration inhibition agent should have the general formula: in which R and R′ independently selected from hydrogen, methyl, ethyl or propyl, and X has a value from 1 to 6. The shale hydration inhibition agent is present in sufficient concentration to substantially reduce the swelling of shale drilling cuttings upon contact with the drilling fluid. The drilling fluid may be formulated to include a wide variety of components of aqueous based drilling fluids, such as weighting agents, fluid loss control agents, suspending agents, viscosifying agents, rheology control agents, as well as other compounds and materials known to one of skill in the art. The fluids may also be used in fracturing and the disposal by reinjection of drilling cutting into a selected subterranean disposal formation.
摘要翻译：一种用于钻井，固井，修井，压裂和放弃地下井的水基流体，通过含有在水存在下膨胀的页岩的地层。在一个说明性实施例中，钻井流体由基于水的连续相，加重剂和页岩水化抑制剂组成。页岩水化抑制剂应具有以下通式：其中R和R'独立地选自氢，甲基，乙基或丙基，X具有1至6的值。页岩水化抑制剂以足够的浓度存在于基本上与钻井液接触时减少页岩钻屑的膨胀。钻井液可以被配制成包括水基钻井液的各种各样的组分，例如加重剂，流体损失控制剂，悬浮剂，增粘剂，流变控制剂，以及其它化合物和材料艺术技能流体也可以用于压裂和通过将钻削切割注入到选定的地下处理层中来进行处理。

38. 发明授权

US07084092B2 Shale hydration inhibition agent and method of use 失效
标题翻译：页岩水化抑制剂及其使用方法
公开(公告)号：US07084092B2
公开(公告)日：2006-08-01
申请号：US10647830
申请日：2003-08-25
申请人： Arvind D. Patel , Emanuel Stamatakis , Eric Davis , Jim Friedheim
发明人： Arvind D. Patel , Emanuel Stamatakis , Eric Davis , Jim Friedheim
IPC分类号： C09K8/12
CPC分类号： C09K8/06 , C09K8/22 , C09K2208/12 , Y10S507/922
摘要： A water-base fluid for use in drilling, cementing, workover, fracturing and abandonment of subterranean wells through a formation containing a shale which swells in the presence of water. In one illustrative embodiment, the drilling fluid includes, an aqueous based continuous phase, a weighting agent, and a shale hydration inhibition agent. The shale hydration inhibition agent should have the general formula: in which A is independently selected from H and CH2CH2CH2NH2; and in which B is independently selected from H, CH2CH2OH, CH2CH2OCH2CH2CH2NH2 and CH2CH2CH2NH2. The shale hydration inhibition agent is present in sufficient concentration to substantially reduce the swelling of shale drilling cuttings upon contact with the drilling fluid. The drilling fluid may be formulated to include a wide variety of components of aqueous based drilling fluids, such as weighting agents, fluid loss control agents, suspending agents, viscosifying agents, rheology control agents, as well as other compounds and materials known to one of skill in the art. The fluids may also be used in the disposal by reinjection of drilling cutting into a selected subterranean disposal formation.
摘要翻译：一种用于通过含有在水存在下膨胀的页岩的地层的钻井，固井，修井，压裂和放弃地下井的水基流体。在一个说明性实施例中，钻井流体包括水基连续相，加重剂和页岩水合抑制剂。页岩水化抑制剂应具有以下通式：其中A独立地选自H和CH 2 CH 2 CH 2 H 2 N _{2 并且其中B独立地选自H，CH 2 CH 2 OH，CH 2 CH 2 OCH 2， 2> 2 CH 2 2 CH 2 NH 2和CH 2 CH 2 2 < / 2 NH 2。页岩水化抑制剂以足够的浓度存在，以在与钻井液接触时基本上减少页岩钻屑的膨胀。钻井液可以被配制成包括水基钻井液的各种各样的组分，例如加重剂，流体损失控制剂，悬浮剂，增粘剂，流变控制剂，以及其它化合物和材料艺术技能流体还可以通过将钻削切割注入到选定的地下处理层中而用于处理。}

39. 发明授权

US06831043B2 High performance water based drilling mud and method of use 有权
标题翻译：高性能水基钻井泥浆及其使用方法
公开(公告)号：US06831043B2
公开(公告)日：2004-12-14
申请号：US10062071
申请日：2002-01-31
申请人： Arvind D. Patel , Emanuel Stamatakis , Eric Davis , Jim Friedheim
发明人： Arvind D. Patel , Emanuel Stamatakis , Eric Davis , Jim Friedheim
IPC分类号： C09K702
CPC分类号： C09K8/22 , C09K8/24 , C09K2208/12
摘要： A water-base fluid for use in drilling wells and other drilling operation includes a shale clay which swells in the presence of water. The fluid preferably includes: an aqueous based continuous phase, and a shale hydration inhibition agent having the formula: wherein R and R′ are independently selectable alkylene groups having 2 to 4 carbon atoms, and wherein x and y have independently selected values such that the sum of x and y is at least 1. The shale hydration inhibition agent should be present in sufficient concentration to reduce the swelling of the shale clay. The fluid may be used for formulating drilling fluids such as water-base drilling muds or clear brine drilling fluids. The fluid may also be used in the slurrification and disposal of drill cuttings that contain water swellable clays or shale clays.
摘要翻译：用于钻井和其他钻井操作的水基流体包括在水存在下膨胀的页岩粘土。流体优选包括：基于水性的连续相和具有下式的页岩水化抑制剂：其中R和R'独立地是可选择的具有2至4个碳原子的亚烷基，并且其中x和y具有独立选择的值，使得 x和y之和至少为1.页岩水化抑制剂应以足够的浓度存在，以减少页岩粘土的溶胀。流体可以用于配制钻井液，例如水基钻井泥浆或透明盐水钻井液。该流体也可用于含有可溶胀的粘土或页岩粘土的钻屑的脱气和处理。

40. 发明授权

US06291405B1 Glycol based drilling fluid 失效
标题翻译：基于二醇的钻井液
公开(公告)号：US06291405B1
公开(公告)日：2001-09-18
申请号：US09043225
申请日：1998-03-11
申请人： LiJien Lee , Arvind D. Patel , Emanuel Stamatakis
发明人： LiJien Lee , Arvind D. Patel , Emanuel Stamatakis
IPC分类号： C09K300
CPC分类号： C09K8/22 , C09K8/06 , C09K8/34 , C09K2208/12
摘要： This invention relates to an improved glycol based aqueous drilling fluid. The drilling fluid of this invention has demonstrated utility in controlling and/or reducing swelling of clay formations in the drilling of subterranean wells.
摘要翻译：本发明涉及改进的基于二醇的含水钻井液。本发明的钻井液已经证明在控制和/或减少地下井钻井中粘土地层的膨胀方面的效用。

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