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公开(公告)号:US08695708B2
公开(公告)日:2014-04-15
申请号:US12873435
申请日:2010-09-01
申请人: Andrey Fedorov , Olesya Levanyuk , Tatiana Zolnikova , Vadim Khlestkin , Alexander Nadeev , Diankui Fu , Bruno Lecerf , Shiyi Wang , Gary John Tustin , Valerie Lafitte
发明人: Andrey Fedorov , Olesya Levanyuk , Tatiana Zolnikova , Vadim Khlestkin , Alexander Nadeev , Diankui Fu , Bruno Lecerf , Shiyi Wang , Gary John Tustin , Valerie Lafitte
CPC分类号: C09K8/68 , C09K8/703 , C09K2208/08 , C09K2208/30 , E21B43/26
摘要: A method for treating a subterranean formation penetrated by a wellbore is provided. The method includes providing a treatment fluid containing a viscoelastic surfactant having at least one degradable linkage, a hydrolysable material, and a pH control material, and injecting the treatment fluid into a subterranean formation. The pH control material may have a pH equal or greater than about 9 and may include a strongly alkaline material and an oxidizing agent.
摘要翻译: 提供了一种用于处理由井眼穿透的地层的方法。 该方法包括提供含有具有至少一种可降解键的粘弹性表面活性剂的处理流体,可水解材料和pH控制材料,并将处理流体注入到地层中。 pH控制材料可以具有等于或大于约9的pH,并且可以包括强碱性材料和氧化剂。
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公开(公告)号:US10240083B2
公开(公告)日:2019-03-26
申请号:US14397647
申请日:2013-05-10
申请人: Gary John Tustin , Valerie Lafitte , Bruno Drochon
发明人: Gary John Tustin , Valerie Lafitte , Bruno Drochon
IPC分类号: C09K8/88 , E21B43/16 , C09K8/90 , C08L5/00 , C08L101/02 , C08J3/24 , C09K8/12 , C09K8/512 , C09K8/575 , C09K8/68 , C08B37/00 , A61K8/73 , A61Q19/00 , A61K8/81 , C11D3/37 , C11D17/00 , C09D5/00 , C08F8/40 , C08L25/18 , C09D7/43
摘要: An aqueous fluid, possibly a wellbore fracturing fluid, comprises an aqueous solution or dispersion of a first polymer, which may be polysaccharide, as a thickener and a cross linking agent to enhance the viscosity of the fluid by crosslinking the first polymer, wherein the crosslinking agent is a second polymer comprising at least one polymer chain with phenyl boronate groups distributed along the polymer chain and the phenyl boronic acid groups have nitrogen attached to the phenyl group at a position which is meta relative to the boronate group.
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公开(公告)号:US09523667B2
公开(公告)日:2016-12-20
申请号:US13584587
申请日:2012-08-13
申请人: Valerie Lafitte , Gary John Tustin
发明人: Valerie Lafitte , Gary John Tustin
IPC分类号: G01N27/404 , G01N33/28 , G01N27/48 , E21B47/01 , E21B49/08
CPC分类号: G01N33/2823 , E21B47/01 , E21B49/087 , G01N27/48
摘要: An electrochemical sensor measuring concentration of an analyte in a test fluid at 50° C. or above by voltammetry uses electrodes in contact with an electrolyte containing the analyte and a redox-active species electrochemically convertible between reduced and oxidised forms. At least one form of the redox active species is present within surfactant micelles. The surfactant micelles enhance thermal stability of the redox active species and may also solubilise a species with poor water solubility, such as t-butylferrocene. A downhole tool incorporating such a sensor comprises a barrier, permeable to the analyte, to separate the electrolyte from subterranean reservoir fluid, so that the sensor directly measures analyte which has passed through the barrier and thereby indirectly measures analyte in the test fluid.
摘要翻译: 通过伏安法测量在50℃或以上的测试流体中的分析物的浓度的电化学传感器使用与含有分析物的电解质接触的电极和在还原和氧化形式之间电化学转化的氧化还原活性物质。 至少一种形式的氧化还原活性物质存在于表面活性剂胶束内。 表面活性剂胶束提高了氧化还原活性物质的热稳定性,也可能溶解水溶性差的物质,如叔丁基二茂铁。 结合这样的传感器的井下工具包括可分析物的隔离层,以将电解质与地下储层流体分离,使得传感器直接测量已经通过屏障的分析物,从而间接地测量测试流体中的分析物。
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公开(公告)号:US20150129226A1
公开(公告)日:2015-05-14
申请号:US14397647
申请日:2013-05-10
申请人: Gary John Tustin , Valerie Lafitte , Bruno Drochon
发明人: Gary John Tustin , Valerie Lafitte , Bruno Drochon
CPC分类号: C09K8/887 , A61K8/737 , A61K8/8117 , A61K8/8164 , A61K2800/10 , A61K2800/48 , A61K2800/594 , A61K2800/95 , A61Q19/00 , C08B37/0096 , C08F8/40 , C08J3/246 , C08J2305/00 , C08J2425/08 , C08L5/00 , C08L25/18 , C08L101/02 , C09D5/00 , C09D7/43 , C09K8/12 , C09K8/512 , C09K8/5756 , C09K8/685 , C09K8/882 , C09K8/885 , C09K8/905 , C11D3/3773 , C11D17/003 , E21B43/16 , C08L25/08 , C08L5/14
摘要: An aqueous fluid, possibly a wellbore fracturing fluid, comprises an aqueous solution or dispersion of a first polymer, which may be polysaccharide, as a thickener and a cross linking agent to enhance the viscosity of the fluid by crosslinking the first polymer, wherein the crosslinking agent is a second polymer comprising at least one polymer chain with phenyl boronate groups distributed along the polymer chain and the phenyl boronic acid groups have nitrogen attached to the phenyl group at a position which is meta relative to the boronate group.
摘要翻译: 含水流体,可能是井筒压裂液,包含第一聚合物的水溶液或分散体,其可以是多糖,作为增稠剂和交联剂,以通过交联第一聚合物来增强流体的粘度,其中交联 试剂是包含沿聚合物链分布的至少一个具有苯基硼酸酯基团的聚合物链的第二聚合物,并且苯基硼酸基团在相对于硼酸酯基的元素位置具有与苯基相连的氮。
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公开(公告)号:US20130312970A1
公开(公告)日:2013-11-28
申请号:US13989752
申请日:2011-11-22
CPC分类号: C08K5/55 , A61K8/022 , A61K8/72 , A61K8/737 , A61K2800/413 , A61K2800/48 , A61Q19/00 , C08K3/20 , C08K5/19 , C09K8/03 , C09K8/08 , C09K8/12 , C09K8/508 , C09K8/512 , C09K8/5756 , C09K8/685 , C09K8/887 , C09K2208/10 , E21B43/25
摘要: An aqueous fluid contains an aqueous solution or dispersion of a polymer to thicken the fluid together with a cross linking agent to enhance the viscosity of the fluid by crosslinking the polymer, wherein the crosslinking agent comprises supporting structures bearing functional groups to react with the polymer molecules and has a mean particle size of 2 nanometer or more. The supporting structures may be nanoparticles and the functional groups may be boronic acid groups. The concentration of boron in a thickened fluid may be low and in some instances there is resistance to applied pressure. The fluid may be a hydraulic fracturing fluid.
摘要翻译: 水性流体包含聚合物的水溶液或分散体,以与交联剂一起使流体增稠,以通过交联聚合物来增加流体的粘度,其中交联剂包含支撑结构,其带有官能团以与聚合物分子反应 平均粒径为2纳米以上。 支持结构可以是纳米颗粒,官能团可以是硼酸基团。 增稠流体中硼的浓度可能很低,在某些情况下,耐受施加的压力。 流体可以是水力压裂流体。
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公开(公告)号:US08393395B2
公开(公告)日:2013-03-12
申请号:US12477442
申请日:2009-06-03
申请人: Thomas Cochet , Trevor Hughes , Slaheddine Kefi , Valerie Lafitte , Khooi Tan , Gary Tustin , Shiyi Wang
发明人: Thomas Cochet , Trevor Hughes , Slaheddine Kefi , Valerie Lafitte , Khooi Tan , Gary Tustin , Shiyi Wang
摘要: A process for hydraulic fracturing of a subterranean reservoir formation penetrated by a wellbore includes pumping a fracturing fluid or other aqueous fluid from the surface via the wellbore and into the reservoir. This fluid is an aqueous suspension of particles which each comprise an oilfield chemical distributed within an encapsulating matrix of water-insoluble carrier material. The encapsulating matrix is chosen so as to provide a delayed release of the oilfield chemical from the particles into surrounding fluid, such that oilfield chemical is liberated from the particles after they have entered the fracture. The encapsulating matrix may be a polymer which is at least partially amorphous, with a glass transition temperature below the reservoir temperature.
摘要翻译: 由井筒穿透的地下储层地层的水力压裂过程包括从表面经由井孔泵送压裂流体或其它含水流体并进入储层。 该流体是颗粒的水性悬浮液,每个颗粒包含分布在水不溶性载体材料的包封基质内的油田化学品。 选择密封基质以便将油田化学品从颗粒延迟释放到周围的流体中,使得油田化学品在进入裂缝之后从颗粒中释放出来。 封装基质可以是至少部分无定形的聚合物,其玻璃化转变温度低于储层温度。
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公开(公告)号:US20100307744A1
公开(公告)日:2010-12-09
申请号:US12477442
申请日:2009-06-03
申请人: Thomas Cochet , Trevor Hughes , Slaheddine Kefi , Valerie Lafitte , Khooi Tan , Gary Tustin , Shiyi Wang
发明人: Thomas Cochet , Trevor Hughes , Slaheddine Kefi , Valerie Lafitte , Khooi Tan , Gary Tustin , Shiyi Wang
IPC分类号: E21B43/26 , E21B47/00 , E21B43/267
摘要: A process for hydraulic fracturing of a subterranean reservoir formation penetrated by a wellbore includes pumping a fracturing fluid or other aqueous fluid which is an aqueous suspension of particles which each comprise an oilfield chemical distributed within an encapsulating matrix of water-insoluble carrier_material from the surface via the wellbore and into the reservoir. The encapsulating matrix is chosen so as to provide a delayed release of the oilfield chemical from the particles into surrounding fluid, such that oilfield chemical is liberated from the particles after they have entered the fracture. The encapsulating matrix may be a polymer which is at least partially amorphous, with a glass transition temperature below the reservoir temperature.
摘要翻译: 由井筒穿透的地下储层地层的水力压裂过程包括泵送压裂液或其它含水流体,其是颗粒的水性悬浮液,每个颗粒包含分布在水不溶性载体材料的包封基质内的油田化学物质,从表面通过 井筒进入水库。 选择密封基质以便将油田化学品从颗粒延迟释放到周围的流体中,使得油田化学品在进入裂缝之后从颗粒中释放出来。 封装基质可以是至少部分无定形的聚合物,其玻璃化转变温度低于储层温度。
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公开(公告)号:US20100307745A1
公开(公告)日:2010-12-09
申请号:US12477502
申请日:2009-06-03
申请人: Valerie Lafitte , Trevor Hughes , Slaheddine Kefi , Mathew Miller , Gary Tustin , Shiyi Wang
发明人: Valerie Lafitte , Trevor Hughes , Slaheddine Kefi , Mathew Miller , Gary Tustin , Shiyi Wang
IPC分类号: E21B47/00
CPC分类号: C09K8/62 , E21B43/26 , E21B47/1015
摘要: A process of making observations of a subterranean reservoir penetrated by a wellbore uses distinguishable sets of tracer particles and comprises steps of: (i) delivering a plurality of sets of tracer particles to respective subterranean locations via the wellbore, the particles in each set comprising a tracer substance which distinguishes that set form the other sets; (ii) causing or allowing the tracer substances to flow out from the tracer particles whilst the particles are at the respective subterranean locations; (iii) causing or allowing production of fluid out of said reservoir via the wellbore; and (iv) detecting the presence or absence of the tracer substances in the produced fluid. The tracer substances are sufficiently distinguishable from each other to enable a tracer substance detected in the produced fluid to identify the set of tracer particles from which it has come and hence identify the location from which it has come. The process may be used in conjunction with hydraulic fracturing, placing sets of particles at different locations within a fracture and/or in different fractures extending from a single wellbore.
摘要翻译: 对井眼穿透的地下储层进行观测的过程使用可区分的示踪剂颗粒组,并且包括以下步骤:(i)经由井孔将多组示踪剂颗粒递送到相应的地下位置,每组中的颗粒包括 跟踪物质,其区别于其他集合; (ii)当所述颗粒在相应的地下位置时,导致或允许示踪物质从示踪剂颗粒流出; (iii)导致或允许通过井筒从所述储存器中产生流体; 和(iv)检测产生的流体中示踪物质的存在或不存在。 示踪剂物质彼此充分区分,以使在所产生的流体中检测到的示踪物质能够识别来自其的示踪剂颗粒组,并因此识别出来的位置。 该方法可以与水力压裂结合使用,将一组颗粒放置在裂缝内的不同位置和/或从单个井眼延伸的不同裂缝中。
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公开(公告)号:US09290689B2
公开(公告)日:2016-03-22
申请号:US12477502
申请日:2009-06-03
申请人: Valerie Lafitte , Trevor Hughes , Slaheddine Kefi , Matthew Miller , Gary Tustin , Shiyi Wang
发明人: Valerie Lafitte , Trevor Hughes , Slaheddine Kefi , Matthew Miller , Gary Tustin , Shiyi Wang
CPC分类号: C09K8/62 , E21B43/26 , E21B47/1015
摘要: A process of making observations of a subterranean reservoir penetrated by a wellbore uses distinguishable sets of tracer particles and comprises steps of: (i) delivering a plurality of sets of tracer particles to respective subterranean locations via the wellbore, the particles in each set comprising a tracer substance which distinguishes that set form the other sets; (ii) causing or allowing the tracer substances to flow out from the tracer particles whilst the particles are at the respective subterranean locations; (iii) causing or allowing production of fluid out of said reservoir via the wellbore; and (iv) detecting the presence or absence of the tracer substances in the produced fluid. The tracer substances are sufficiently distinguishable from each other to enable a tracer substance detected in the produced fluid to identify the set of tracer particles from which it has come and hence identify the location from which it has come. The process may be used in conjunction with hydraulic fracturing, placing sets of particles at different locations within a fracture and/or in different fractures extending from a single wellbore.
摘要翻译: 对井眼穿透的地下储层进行观测的过程使用可区分的示踪剂颗粒组,并且包括以下步骤:(i)经由井孔将多组示踪剂颗粒递送到相应的地下位置,每组中的颗粒包括 跟踪物质,其区别于其他集合; (ii)当所述颗粒在相应的地下位置时,导致或允许示踪物质从示踪剂颗粒流出; (iii)导致或允许通过井筒从所述储存器中产生流体; 和(iv)检测产生的流体中示踪物质的存在或不存在。 示踪剂物质彼此充分区分,以使在所产生的流体中检测到的示踪物质能够识别来自其的示踪剂颗粒组,并因此识别出来的位置。 该方法可以与水力压裂结合使用,将一组颗粒放置在裂缝内的不同位置和/或从单个井眼延伸的不同裂缝中。
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公开(公告)号:US09377434B2
公开(公告)日:2016-06-28
申请号:US13502718
申请日:2010-10-14
IPC分类号: G01N27/403 , G01N27/416 , G01V3/18 , G01N27/333 , G01N33/18
CPC分类号: G01N27/3335 , G01N33/18
摘要: An electrochemical sensor for the presence or concentration of an analyte has at least one electrode and at least one electrochemically active species able to undergo electrochemical reaction in response to electrical potential applied to the electrode, where the said reaction is modified by the presence of the analyte. This sensor has the novel characteristic that at least one said electrochemically active species is encapsulated within polymer particles. These particles are preferably formed from an amorphous polymer with a glass transition temperature above the temperature of the fluid to which the sensor is exposed. The encapsulating polymer protects the analyte species from degradation, but a small analyte such as a hydrogen or bisulfide ion can pass through the polymer and undergo reaction at the active species.
摘要翻译: 用于分析物的存在或浓度的电化学传感器具有至少一个电极和至少一个电化学活性物质,其能够响应于施加到电极的电势而经历电化学反应,其中所述反应通过分析物的存在而被修饰 。 该传感器具有将至少一种所述电化学活性物质包封在聚合物颗粒内的新颖特征。 这些颗粒优选由玻璃化转变温度高于传感器所暴露的流体的温度的无定形聚合物形成。 封装聚合物保护分析物物质免于降解,但是小分析物例如氢或二硫化物离子可以通过聚合物并在活性物质上进行反应。
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