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公开(公告)号：US11168241B2
公开(公告)日：2021-11-09
申请号：US16562587
申请日：2019-09-06
发明人： Vivek S. Goel , Peter James Boul , Xueyu Pang , Lee J. Hall , Jay P. Deville , Samuel J. Lewis , B. Raghava Reddy , Trissa Joseph , Xiangnan Ye
IPC分类号： C09K8/20 , C04B28/02 , C09K8/467 , C04B22/00 , C04B22/10 , C04B24/38 , C04B28/04 , C09K8/14 , C09K8/16 , C09K8/40 , C09K8/487 , C09K8/493 , C09K8/54 , C09K8/80 , C09K8/504 , C04B103/46
摘要： The present disclosure relates to downhole fluid additives including a clay, a hydroxylated polymer, a cation, and water. The disclosure further relates to downhole fluids, including drilling fluids, spaces, cements, and proppant delivery fluids containing such as downhole fluid additive and methods of using such fluids. The downhole fluid additive may have any of a variety of functions in the downhole fluid and may confer any of a variety of properties upon it, such as salt tolerance or desired viscosities even at high downhole temperatures.
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公开(公告)号：US10428259B2
公开(公告)日：2019-10-01
申请号：US15554231
申请日：2015-04-10
发明人： Vivek S. Goel , Peter James Boul , Xueyu Pang , Lee J. Hall , Jay P. Deville , Samuel J. Lewis , B. Raghava Reddy , Trissa Joseph , Xiangnan Ye
IPC分类号： C09K8/20 , C09K8/467 , C04B28/02 , C04B22/00 , C04B22/10 , C04B24/38 , C04B28/04 , C09K8/14 , C09K8/16 , C09K8/40 , C09K8/487 , C09K8/493 , C09K8/54 , C09K8/80 , C09K8/504 , C04B103/46
摘要： The present disclosure relates to downhole fluid additives including a clay, a hydroxylated polymer, a cation, and water. The disclosure further relates to downhole fluids, including drilling fluids, spaces, cements, and proppant delivery fluids containing such as downhole fluid additive and methods of using such fluids. The downhole fluid additive may have any of a variety of functions in the downhole fluid and may confer any of a variety of properties upon it, such as salt tolerance or desired viscosities even at high downhole temperatures.
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公开(公告)号：US10329472B2
公开(公告)日：2019-06-25
申请号：US15548751
申请日：2015-03-04
发明人： Lucas David Albrighton , Adam Matthew McKay , Paul Joseph Jones , Evan Baker Grimes , Evan Thomas Russell , Dominik Fry , Ryan Edward Barker , Sears T. Dealy , B. Raghava Reddy
摘要： Fluid additives suitable for use in a wellbore (e.g., a liquid comprising an aqueous miscible fluid, a liquid surfactant, or both) may be converted into a liquid-infiltrated porous silica that is a flowable bulk solid. The flowable bulk solid may then be handled and stored as a traditional solid wellbore additive. For example, the flowable bulk solid may be added to an aqueous fluid to produce a wellbore fluid that is then introduced into a wellbore penetrating a subterranean formation.
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公开(公告)号：US10174241B2
公开(公告)日：2019-01-08
申请号：US15033205
申请日：2014-02-18
IPC分类号： C09K8/08 , C09K8/68 , C09K8/508 , C09K8/512 , C09K8/514 , C09K8/88 , C09K8/90 , C09K8/44 , E21B21/00 , E21B33/138 , E21B43/267
摘要： Methods for forming a fluid seal in a subterranean formation may comprise: providing a treatment fluid comprising an aqueous carrier fluid, a sealant composition, and a crosslinked polysaccharide composition. The treatment fluid is introduced into a wellbore penetrating a subterranean formation and the crosslinked polysaccharide composition is formed into a viscosified gel in the wellbore. The viscosified gel substantially spans the diameter of the wellbore and holds the sealant composition in place. After forming the crosslinked polysaccharide composition into a viscosified gel in the wellbore, forming a fluid seal in the wellbore with the sealant composition.
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公开(公告)号：US10132120B2
公开(公告)日：2018-11-20
申请号：US14912826
申请日：2014-09-19
发明人： B. Raghava Reddy , Feng Liang , Ping C. Sui , David P. Duckworth
IPC分类号： E21B10/25 , F16J15/10 , F16J15/3284 , E21B10/22
摘要： The present disclosure relates to elastomer-thermally conductive carbon fiber compositions for use in seals for roller-cone drill bits. The present disclosure further relates to seals formed from such compositions and to roller-cone drill bits containing such seals.
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公开(公告)号：US09969923B2
公开(公告)日：2018-05-15
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.
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公开(公告)号：US09909055B2
公开(公告)日：2018-03-06
申请号：US15302089
申请日：2014-05-22
发明人： B. Raghava Reddy , Janette Cortez
CPC分类号： C09K8/62 , C09K8/035 , C09K8/42 , C09K8/50 , C09K2208/26 , E21B43/16 , E21B43/26 , E21B43/267
摘要： Methods and compositions for a treatment fluid composition are disclosed for use within a subterranean formation, comprising: a degradable diverting agent, and a Schiff base comprising a degradation accelerator. The treatment fluid may be introduced into a formation and the Schiff base allowed to hydrolytically release the degradation accelerator, allowing the degradation accelerator to degrade the degradable diverting agent.
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公开(公告)号：US09822295B2
公开(公告)日：2017-11-21
申请号：US14907500
申请日：2013-10-30
发明人： B. Raghava Reddy , Feng Liang , Ronnie G. Morgan
CPC分类号： C09K8/467 , C04B24/24 , C04B24/2641 , C04B24/2652 , C04B24/383 , C04B28/02 , C04B2103/0049 , C04B2103/0053 , C04B2103/0062 , E21B33/14 , C04B14/30 , C04B24/08 , C04B24/2623 , C04B24/161 , C04B2103/52
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：US09657217B2
公开(公告)日：2017-05-23
申请号：US14742059
申请日：2015-06-17
发明人： B. Raghava Reddy , Larry S. Eoff
摘要： Gellable treatment fluids comprising: an aqueous base fluid; a base polymer comprising an acrylamide monomer unit; an organic crosslinking agent comprising a crosslinkable polymer; and a gel-time modifier. The organic crosslinking agent comprising a crosslinkable selected from the group consisting of polyethyleneimine, polyvinylamine, any derivative thereof, any salt thereof, and any combination thereof. The gel-time modifier comprising at least one amino group, any salt thereof, any derivative thereof, or any combination thereof.
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10.发明授权公开(公告)号：US09562423B2
公开(公告)日：2017-02-07
申请号：US14366219
申请日：2013-08-27
CPC分类号： E21B43/162 , C09K8/74 , C09K8/78 , E21B43/25
摘要： Some embodiments herein comprise providing a treatment fluid comprising an aqueous base fluid, an acid, a permeability modifier, and a permeability modifier deactivator; providing an injection well having a first treatment zone comprising a first aqueous formation permeability, wherein the first treatment zone comprises formation damage; introducing the treatment fluid into the injection well, so as to contact the acid, the permeability modifier, and the permeability modifier deactivator with the first treatment zone; reacting the acid with the first treatment zone so as to repair a portion of the formation damage; reacting the permeability modifier with the first treatment zone so as to cause the first aqueous formation permeability to adopt a second, lesser aqueous formation permeability; and contacting the permeability modifier deactivator with the permeability modifier so as to deactivate the permeability modifier and restore the first treatment zone to about the first aqueous formation permeability.
摘要翻译： 本文的一些实施方案包括提供包含含水基础流体，酸，渗透性改性剂和渗透性改性剂钝化剂的处理流体; 提供具有包括第一水性地层渗透性的第一处理区的注入井，其中所述第一处理区包括地层损伤; 将处理流体引入注入井，以便与第一处理区接触酸，渗透性改性剂和渗透性改性剂钝化剂; 使酸与第一处理区反应，以修复部分地层损伤; 使渗透性改性剂与第一处理区反应，以使第一水性地层渗透性采用第二较小的水性地层渗透性; 并使渗透性改性剂失活剂与渗透性改性剂接触，以使该渗透性改性剂失活，并将该第一处理区恢复至大约第一水性地层渗透性。
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