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公开(公告)号：US08932997B2
公开(公告)日：2015-01-13
申请号：US12993648
申请日：2009-05-18
申请人： Luigi Merli , Jacopo Franchini , Pierangelo Pirovano , Mattia Ossola , Franco Federici , Dario Fornara , Giuseppe Li Bassi
发明人： Luigi Merli , Jacopo Franchini , Pierangelo Pirovano , Mattia Ossola , Franco Federici , Dario Fornara , Giuseppe Li Bassi
摘要： Esters of alkanolamines with unsaturated, polyunsaturated or saturated C8-C36 monocarboxylic acids are additives for reducing accretion on drilling equipment (anti-accretion agents) to be used in drilling muds during drilling and completion of oil and gas wells.
摘要翻译： 具有不饱和，多不饱和或饱和的C 8 -C 36单羧酸的链烷醇胺的酯是用于在钻井和完成油气井期间用于钻井泥浆中的钻井设备（抗增殖剂）的积累的添加剂。
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公开(公告)号：US20110166048A1
公开(公告)日：2011-07-07
申请号：US12993648
申请日：2009-05-18
申请人： Luigi Merli , Jacopo Franchini , Pierangelo Pirovano , Mattia Ossola , Franco Federici , Dario Fornara , Giuseppe Li Bassi
发明人： Luigi Merli , Jacopo Franchini , Pierangelo Pirovano , Mattia Ossola , Franco Federici , Dario Fornara , Giuseppe Li Bassi
IPC分类号： C09K8/08
摘要： Esters of alkanolamines with unsaturated, polyunsaturated or saturated C8-C36 monocarboxylic acids are additives for reducing accretion on drilling equipment (anti-accretion agents) to be used in drilling muds during drilling and completion of oil and gas wells.
摘要翻译： 具有不饱和，多不饱和或饱和的C 8 -C 36单羧酸的链烷醇胺的酯是用于在钻井和完成油气井期间用于钻井泥浆中的钻井设备（抗增殖剂）的积累的添加剂。
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公开(公告)号：US08962533B2
公开(公告)日：2015-02-24
申请号：US13145893
申请日：2010-01-20
申请人： Franco Federici , Thierry Bossi , Christian Parisi , Luigi Merli , Daniele Moro , Pierangelo Pirovano , Giuseppe Li Bassi
发明人： Franco Federici , Thierry Bossi , Christian Parisi , Luigi Merli , Daniele Moro , Pierangelo Pirovano , Giuseppe Li Bassi
CPC分类号： C09K8/5083 , C09K8/32
摘要： A method for reducing filtrate loss of oil based drilling fluids comprising the following steps: a) preparing by emulsion polymerization an aqueous dispersion containing: i) from 20% to 60% by weight of a copolymer comprising from 60% to 90% by weight of styrene and/or vinyltoluene monomers, from 7 to 40% by weight of 2-ethylhexyl acrylate monomers and from 0.01 to 3% of polyfunctional unsaturated monomers; ii) from 40 to 80% by weight of water; iii) from 0.1% to 5% by weight of at least one surfactant; b) providing an oil based drilling fluid containing the aqueous dispersion obtained from step a), or its copolymer in powder form; c) injecting and circulating the drilling fluid in the borehole.
摘要翻译： 一种用于降低油基钻井液的滤液损失的方法，包括以下步骤：a）通过乳液聚合制备水分散体，其含有：i）20重量％至60重量％的包含60重量％至90重量％ 苯乙烯和/或乙烯基甲苯单体，7至40重量％的丙烯酸2-乙基己酯单体和0.01至3％的多官能不饱和单体; ii）40至80重量％的水; iii）0.1重量％至5重量％的至少一种表面活性剂; b）提供含有由步骤a）获得的水分散体或其粉末形式的共聚物的油基钻井液; c）在钻孔中注入和循环钻井液。
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公开(公告)号：US20110281778A1
公开(公告)日：2011-11-17
申请号：US13145893
申请日：2010-01-20
申请人： Franco Federici , Thierry Bossi , Christian Parisi , Luigi Merli , Daniele Moro , Pierangelo Pirovano , Giuseppe Li Bassi
发明人： Franco Federici , Thierry Bossi , Christian Parisi , Luigi Merli , Daniele Moro , Pierangelo Pirovano , Giuseppe Li Bassi
IPC分类号： C09K8/12
CPC分类号： C09K8/5083 , C09K8/32
摘要： A method for reducing filtrate loss of oil based drilling fluids comprising the following steps: a) preparing by emulsion polymerization an aqueous dispersion containing: i) from 20% to 60% by weight of a copolymer comprising from 60% to 90% by weight of styrene and/or vinyltoluene monomers, from 7 to 40% by weight of 2-ethylhexyl acrylate monomers and from 0.01 to 3% of polyfunctional unsaturated monomers; ii) from 40 to 80% by weight of water; iii) from 0.1% to 5% by weight of at least one surfactant; b) providing an oil based drilling fluid containing the aqueous dispersion obtained from step a), or its copolymer in powder form; c) injecting and circulating the drilling fluid in the borehole.
摘要翻译： 一种用于降低油基钻井液的滤液损失的方法，包括以下步骤：a）通过乳液聚合制备水分散体，其含有：i）20重量％至60重量％的包含60重量％至90重量％ 苯乙烯和/或乙烯基甲苯单体，7至40重量％的丙烯酸2-乙基己酯单体和0.01至3％的多官能不饱和单体; ii）40至80重量％的水; iii）0.1重量％至5重量％的至少一种表面活性剂; b）提供含有由步骤a）获得的水分散体或其粉末形式的共聚物的油基钻井液; c）在钻孔中注入和循环钻井液。
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公开(公告)号：US20120094877A1
公开(公告)日：2012-04-19
申请号：US13271964
申请日：2011-10-12
IPC分类号： C09K8/12
CPC分类号： C09K8/12
摘要： The hydration of clays in drilling operations can be inhibited by employing a an aqueous based drilling fluid containing from about 0.2 to about 5 wt % of a hydration inhibitor that comprises bis-hexamethylene-triamine, bis-hexamethylene-triamine salts, or mixtures thereof.
摘要翻译： 通过使用含有约0.2至约5重量％的包含双 - 六亚甲基 - 三胺，双 - 六亚甲基 - 三胺盐或其混合物的水合抑制剂的含水基钻井液可以抑制钻井操作中粘土的水化。
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公开(公告)号：US20140031264A1
公开(公告)日：2014-01-30
申请号：US14110326
申请日：2012-04-05
申请人： Roberto Macchi , Luigi Merli , Mauro Tenconi , Pierangelo Pirovano , Giovanni Floridi , Giuseppe Li Bassi
发明人： Roberto Macchi , Luigi Merli , Mauro Tenconi , Pierangelo Pirovano , Giovanni Floridi , Giuseppe Li Bassi
IPC分类号： C09K8/68
摘要： A method of treating a portion of a subterranean formation through the use of an aqueous fracturing fluid comprising dissolved therein from 0.3 to 3.0% by weight of a viscosifying agent, wherein the viscosifying agent consists of fast dissolving and easy dispersible glyoxalated, ground guar splits containing from 0.01 to 0.05% by weight of glyoxal.
摘要翻译： 一种通过使用含有0.3〜3.0重量％的增粘剂溶解于其中的含水压裂液处理地层的一部分的方法，其中所述增粘剂由快速溶解和容易分散的乙二醛，磨碎的瓜尔胶 0.01至0.05重量％的乙二醛。
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公开(公告)号：US08466092B2
公开(公告)日：2013-06-18
申请号：US13271964
申请日：2011-10-12
IPC分类号： C09K8/12
CPC分类号： C09K8/12
摘要： The hydration of clays in drilling operations can be inhibited by employing a an aqueous based drilling fluid containing from about 0.2 to about 5 wt % of a hydration inhibitor that comprises bis-hexamethylene-triamine, bis-hexamethylene-triamine salts, or mixtures thereof.
摘要翻译： 通过使用含有约0.2至约5重量％的包含双 - 六亚甲基 - 三胺，双 - 六亚甲基 - 三胺盐或其混合物的水合抑制剂的含水基钻井液可以抑制钻井操作中粘土的水化。
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