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    LOW TOXICITY SHALE HYDRATION INHIBITION AGENT AND METHOD OF USE
    3.
    发明申请
    LOW TOXICITY SHALE HYDRATION INHIBITION AGENT AND METHOD OF USE 失效
    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。

    Shale hydration inhibition agent and method of use
    5.
    发明授权
    Shale hydration inhibition agent and method of use 失效
    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。

    High performance water-based drilling mud and method of use
    6.
    发明授权
    High performance water-based drilling mud and method of use 有权
    高性能水泥钻井泥浆及其使用方法

    公开(公告)号：US07192907B2

    公开(公告)日：2007-03-20

    申请号：US10654505

    申请日：2003-09-03

    申请人： Arvind D. Patel ,  Emanuel Stamatakis ,  Steve Young

    发明人： Arvind D. Patel ,  Emanuel Stamatakis ,  Steve Young

    IPC分类号： C09K8/00 ,  E21B43/00

    CPC分类号： C09K8/24 ,  C09K2208/12

    摘要： A water based drilling fluid for use in drilling a subterranean well through a subterranean formation that swells in the presence of water, the drilling fluid is formulated to include: an aqueous based continuous phase; a weigh material; a shale encapsulator and an optional shale hydration inhibition agent. The shale encapsulator has the formula: which x and y have a value so that the molecular weight of the cation is in the range of about 10,000 to about 200,000 AMU; A is selected from C1–C6 alkyl, C2–C6 ether or amide; R, R′ and R″ are independently selectable C1–C3 alkyl; and B− is a charge balancing anion to the quaternary amine. The shale encapsulator and the optional shale hydration inhibition agent may be present in sufficient concentrations to reduce the swelling of the subterranean formation in the presence of water. Conventional additives may be included into the formulation of the drilling fluid, such conventional additives may include: fluid loss control agents, alkaline reserve and other pH control agents, bridging agents, lubricants, anti-bit balling agents, corrosion inhibition agents, surfactants and solids suspending agents as well as mixtures and combination of these and similar compounds that should be known to one of skill in the art.

    摘要翻译： 一种水基钻井液，用于通过在水存在下膨胀的地下地层钻探地下井，将钻井液配制为包括：基于水的连续相; 称重材料; 页岩封装剂和可选的页岩水化抑制剂。 页岩封装器具有下式：其中x和y具有使得阳离子的分子量在约10,000至约200,000AMU范围内的值; A选自C 1 -C 6烷基，C 2 -C 6 - 醚或酰胺; R，R'和R“独立地选自C 1 -C 3烷基; 并且B + - 是与季胺的电荷平衡阴离子。 页岩封装剂和任选的页岩水化抑制剂可以以足够的浓度存在，以在水的存在下减少地层的溶胀。 常规的添加剂可以包括在钻井液的配方中，这种常规的添加剂可以包括：流体损失控制剂，碱性储备和其它pH控制剂，桥联剂，润滑剂，抗磨损球剂，腐蚀抑制剂，表面活性剂和固体 悬浮剂以及这些和本领域技术人员已知的类似化合物的混合物和组合。

    Shale hydration inhibition agent and method of use
    7.
    发明授权
    Shale hydration inhibition agent and method of use 失效
    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。

    High performance water based drilling mud and method of use
    8.
    发明授权
    High performance water based drilling mud and method of use 有权
    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。

    Shale hydration inhibition agent and method of use
    10.
    发明授权
    Shale hydration inhibition agent and method of use 有权
    页岩水化抑制剂及其使用方法

    公开(公告)号：US06247543B1

    公开(公告)日：2001-06-19

    申请号：US09503558

    申请日：2000-02-11

    申请人： Arvind D. Patel ,  Emanuel Stamatakis ,  Eric Davis

    发明人： Arvind D. Patel ,  Emanuel Stamatakis ,  Eric Davis

    IPC分类号： C09K702

    CPC分类号： C09K8/22 ,  C09K2208/12 ,  Y10S507/905

    摘要： A water-base drilling fluid for use in drilling wells through a formation containing a shale which swells in the presence of water. The drilling fluid preferably includes: an aqueous based continuous phase, a weight material, and a shale hydration inhibition agent having the formula: H2N—CH(CH3)CH2{—OCH2CH(CH3)—}x—NH2 in which x is a value less than 15. The shale hydration inhibition agent should be present in sufficient concentration to reduce the swelling of the shale. Preferably x has an average number between about 1 and about 5 and more preferably x has an average number of about 2.6. Also inclusive of the present invention is a method of reducing the swelling of shale clay encountered during the drilling of a subterranean well, the method comprising circulating in the well a water-base drilling fluid formulated in accordance with the present invention.

    摘要翻译： 一种用于钻井的水基钻井液，通过含有在水存在下膨胀的页岩的地层。 钻井液优选包括：水性连续相，重量材料和具有下式的页岩水化抑制剂：其中x为小于15的值。页岩水化抑制剂应以足够的浓度存在以减少 页岩膨胀 优选地，x具有约1至约5的平均数，更优选x具有约2.6的平均数。 还包括本发明的是减少在钻井期间遇到的页岩粘土膨胀的方法，所述方法包括在井中循环根据本发明配制的水基钻井液。