Nano-Sized Particles for Formation Fines Fixation
    61.
    发明申请
    Nano-Sized Particles for Formation Fines Fixation 审中-公开
    纳米粒子用于形成细粉固定

    公开(公告)号:US20120267102A1

    公开(公告)日:2012-10-25

    申请号:US13415505

    申请日:2012-03-08

    摘要: A treating fluid may contain an effective amount of a particulate additive to fixate or reduce fines migration, where the particulate additive is an alkaline earth metal oxide alkaline earth metal hydroxide, alkali metal oxides, alkali metal hydroxides transition metal oxides, transition metal hydroxides, post-transition metal oxides, post-transition metal hydroxides piezoelectric crystals and pyroelectric crystals. The particle size of the magnesium oxide or other agent may be nanometer scale, which scale may provide unique particle charges that help fixate the formation fines. These treating fluids may be used as treatment fluids for subterranean hydrocarbon formations, such as in hydraulic fracturing, completion fluids, gravel packing fluids and fluid loss pills. The carrier fluid used in the treating fluid may be aqueous, brine, alcoholic or hydrocarbon-based.

    摘要翻译: 处理流体可以含有有效量的微粒添加剂以固定或减少细粉迁移,其中颗粒添加剂是碱土金属氧化物碱土金属氢氧化物,碱金属氧化物,碱金属氢氧化物过渡金属氧化物,过渡金属氢氧化物,柱 过渡金属氧化物,过渡金属氢氧化物压电晶体和热电晶体。 氧化镁或其他试剂的粒度可以是纳米级,其规模可以提供有助于固定细粉的独特的颗粒电荷。 这些处理流体可以用作地下烃地层的处理流体,例如在水力压裂,完井液,砾石填充液和流体损失丸中。 在处理流体中使用的载体流体可以是水性,盐水,醇或烃类。

    Clay Stabilization With Nanoparticles
    62.
    发明申请
    Clay Stabilization With Nanoparticles 审中-公开
    粘土稳定与纳米颗粒

    公开(公告)号:US20120178651A1

    公开(公告)日:2012-07-12

    申请号:US13415204

    申请日:2012-03-08

    申请人: Tianping Huang

    发明人: Tianping Huang

    摘要: A treating fluid may contain an effective amount of a particulate additive to stabilize clays, such as clays in a subterranean formation, by inhibiting or preventing them from swelling and/or migrating, where the particulate additive is an alkaline earth metal oxide, alkaline earth metal hydroxide, alkali metal oxide, alkali metal hydroxide, transition metal oxide, transition metal hydroxide, post-transition metal oxide, post-transition metal hydroxide, piezoelectric crystal, and/or pyroelectric crystal. The particle size of the magnesium oxide or other agent may be nanometer scale, which scale may provide unique particle charges that help stabilize the clays. These treating fluids may be used as treatment fluids for subterranean hydrocarbon formations, such as in hydraulic fracturing, completion fluids, gravel packing fluids and fluid loss pills. The carrier fluid used in the treating fluid may be aqueous, brine, alcoholic or hydrocarbon-based.

    摘要翻译: 处理流体可以含有有效量的颗粒状添加剂以稳定粘土,例如地层中的粘土,通过抑制或防止其膨胀和/或迁移,其中颗粒添加剂是碱土金属氧化物,碱土金属 氢氧化物,碱金属氧化物,碱金属氢氧化物,过渡金属氧化物,过渡金属氢氧化物,过渡后金属氧化物,后过渡金属氢氧化物,压电晶体和/或热电晶体。 氧化镁或其它试剂的粒度可以是纳米级,其规模可以提供有助于稳定粘土的独特的颗粒电荷。 这些处理流体可以用作地下烃地层的处理流体,例如在水力压裂,完井液,砾石填充液和流体损失丸中。 在处理流体中使用的载体流体可以是水性,盐水,醇或烃类。

    Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids
    63.
    发明授权
    Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids 失效
    相溶溶剂和/或醇混合物 - 用于粘弹性表面活性剂流体的可溶性颗粒

    公开(公告)号:US08173581B2

    公开(公告)日:2012-05-08

    申请号:US12122871

    申请日:2008-05-19

    申请人: Tianping Huang

    发明人: Tianping Huang

    IPC分类号: C09K8/74

    摘要: Solid, particulate dicarboxylic acids may be fluid loss control agents and/or viscosifying agents for viscoelastic surfactant (VES) fluids in treatments such as well completion or stimulation in hydrocarbon recovery operations. The fluid loss control agents may include, but not be limited to, dodecanedioic acid, undecanedioic acid, decanedioic acid, azelaic acid, suberic acid, and mixtures thereof having a mesh size of from about 20 mesh to about 400 mesh (about 841 to about 38 microns). A mutual solvent or a blend of at least two alcohols subsequently added to the aqueous viscoelastic surfactant treating fluid will at least partially dissolve the solid, particulate dicarboxylic acid fluid loss control agents, and optionally also “break” or reduce the viscosity of the aqueous viscoelastic surfactant treating fluid.

    摘要翻译: 固体颗粒二羧酸可以是用于粘弹性表面活性剂(VES)流体的流体损失控制剂和/或粘合剂,例如在烃回收操作中的完井或刺激等处理。 流体损失控制剂可包括但不限于十二烷二酸,十一烷二酸,癸二酸,壬二酸,辛二酸及其混合物,其筛目尺寸为约20目至约400目(约841至约 38微米)。 随后加入到水性粘弹性表面活性剂处理流体中的至少两种醇的相互溶剂或共混物将至少部分地溶解固体颗粒二羧酸流体损失控制剂,并且任选地还“破坏”或降低水性粘弹性体的粘度 表面活性剂处理液。

    Compositions and methods for controlling fluid loss
    64.
    发明授权
    Compositions and methods for controlling fluid loss 有权
    用于控制流体损失的组合物和方法

    公开(公告)号:US08114820B2

    公开(公告)日:2012-02-14

    申请号:US11754656

    申请日:2007-05-29

    IPC分类号: C09K8/08 E21B43/12

    摘要: Alkaline earth metal compounds may be fluid loss control (FLC) agents for viscoelastic surfactant (VES) fluids used for fluid loss control pills, lost circulation material pills and kill pills in hydrocarbon recovery operations. The FLC agents may include, but not be limited to oxides and hydroxides of alkaline earth metal, and in one case magnesium oxide where the particle size of the magnesium oxide is between 1 nanometer to 0.4 millimeter. The FLC agent may alternatively be transition metal oxides and/or transition metal hydroxides. The FLC agent appears to associate with the VES micelles and together form a novel pseudo-filter cake quasi-crosslinked viscous fluid layer that limits further VES fluid flow into the porous media. The FLC agent solid particles may be added along with VES fluids. The pills may also contain internal breakers to reduce the viscosity thereof so that the components of the pill may be recovered.

    摘要翻译: 碱土金属化合物可以是用于在烃回收操作中用于流体损失控制药片,流失物料丸和杀丸剂的粘弹性表面活性剂(VES)流体的流体损失控制(FLC)试剂。 FLC试剂可以包括但不限于碱土金属的氧化物和氢氧化物,在一种情况下可以包括氧化镁的粒径在1纳米到0.4毫米之间的氧化镁。 FLC试剂可以替代地是过渡金属氧化物和/或过渡金属氢氧化物。 FLC试剂似乎与VES胶束缔合,并一起形成一种限制进一步渗透到多孔介质中的VES流体流动的新型准滤饼准交联粘性流体层。 FLC剂固体颗粒可与VES流体一起加入。 丸剂还可以含有内部破碎剂以降低其粘度,从而可以回收丸剂的组分。

    Methods for recharging nanoparticle-treated beds
    65.
    发明授权
    Methods for recharging nanoparticle-treated beds 失效
    纳米颗粒处理床再充电的方法

    公开(公告)号:US08105492B2

    公开(公告)日:2012-01-31

    申请号:US12195995

    申请日:2008-08-21

    IPC分类号: B01D24/46

    摘要: Nanoparticle-treated particle packs, such as sand beds, may effectively filter and purify liquids such as waste water. Proppant beds treated with nanoparticles may fixate or reduce fines migration therethrough. When tiny contaminant particles or fines in these fluids flow through the nanoparticle-treated bed or pack, the nanoparticles will capture and hold the tiny contaminant or fines particles within the pack due to the nanoparticles' surface forces, including, but not necessarily limited to van der Waals and electrostatic forces. Nanoparticle-treated beds or packs may be recharged by contacting the bed with an inorganic acid (but not hydrofluoric acid) or an organic acid, and optionally followed by subsequent treatment with hydrofluoric acid. This treating substantially removes the nanoparticles and the fine particulates that have been removed from a fluid (e.g. wastewater being treated, produced fluids in a formation, etc.). The particle pack may then be re-treated or recharged with nanoparticles.

    摘要翻译: 纳米颗粒处理的颗粒包装,例如砂床,可以有效地过滤和净化诸如废水的液体。 用纳米颗粒处理的支撑剂床可以固定或减少通过其中的细粒迁移。 当这些流体中的微小污染物颗粒或细粒流过纳米颗粒处理的床或包装时,由于纳米颗粒的表面力,纳米颗粒将捕获并保持包装内的微小污染物或细粒颗粒,包括但不限于范围 德华力和静电力。 纳米颗粒处理的床或包装可以通过使床与无机酸(但不是氢氟酸)或有机酸接触,然后任选地随后用氢氟酸处理来进行再充电。 该处理基本上除去了已经从流体中除去的纳米颗粒和细颗粒(例如待处理的废水,地层中产生的流体等)。 然后可以使用纳米颗粒重新处理或补充粒子包装。

    Increasing the Viscosity of Viscoelastic Fluids
    66.
    发明申请
    Increasing the Viscosity of Viscoelastic Fluids 有权
    增加粘弹性流体的粘度

    公开(公告)号:US20110284228A1

    公开(公告)日:2011-11-24

    申请号:US12783190

    申请日:2010-05-19

    IPC分类号: E21B43/26 C09K8/68

    摘要: In hydrocarbon recovery applications, viscoelastic surfactant (VES) gelled fluids may be preheated to a temperature that will increase viscosity of the VES gelled fluid. The preheated VES gelled fluid retains at least a portion of its preheated viscosity when cooled such as by introduction into a low temperature condition. In an embodiment, the VES gelled fluid may be a drilling fluid, completion fluid, or fracturing fluid, and the low temperature condition may be an offshore operation, an operation in a locality having a cold climate, and/or a shallow oil, gas, or both land-based operation where the formation temperature is 120° F. or less. The surfactant in the VES gelled fluid may be one or more of an amine, amine salt, quaternary ammonium salt, betaine, amidoamine oxide, amine oxide, and combinations thereof.

    摘要翻译: 在烃回收应用中,粘弹性表面活性剂(VES)胶凝液体可以预热到将增加VES凝胶流体粘度的温度。 预热的VES凝胶流体在冷却时保持其预热粘度的至少一部分,例如通过引入低温条件。 在一个实施方案中,VES凝胶化流体可以是钻井液,完井流体或压裂流体,并且低温条件可以是海上操作,具有寒冷气候的区域中的操作和/或浅油,气体 或地层温度为120°F以下的陆基作业。 VES凝胶化流体中的表面活性剂可以是胺,胺盐,季铵盐,甜菜碱,酰氨基氧化胺,氧化胺及其组合中的一种或多种。

    Downhole gap sealing element and method
    67.
    发明授权
    Downhole gap sealing element and method 有权
    井下间隙密封元件及方法

    公开(公告)号:US08051913B2

    公开(公告)日:2011-11-08

    申请号:US12391646

    申请日:2009-02-24

    IPC分类号: E21B33/12

    CPC分类号: E21B33/1212 E21B33/10

    摘要: A downhole sealing element includes, a malleable member having at least one closed wall cavity therein positionable downhole in a gap defined between downhole members, and a chemical disposed within the at least one closed wall cavity. The malleable member is deformable to fill variations in a dimension of the gap and the chemical is reactive to form a nonflowable element.

    摘要翻译: 井下密封元件包括可延展构件,其具有位于井下构件之间的间隙中的可定位的井下的至少一个闭合壁腔,以及设置在所述至少一个闭合壁腔内的化学物质。 可延展构件可变形以填充间隙的尺寸的变化,并且化学品是反应性的以形成不可流动的元件。

    SELF-ADJUSTING IN-FLOW CONTROL DEVICE
    68.
    发明申请
    SELF-ADJUSTING IN-FLOW CONTROL DEVICE 失效
    自调整流量控制装置

    公开(公告)号:US20110017470A1

    公开(公告)日:2011-01-27

    申请号:US12506810

    申请日:2009-07-21

    IPC分类号: E21B34/06 E21B43/10

    CPC分类号: E21B34/08

    摘要: Devices, systems and related methods control a flow of a fluid between a wellbore tubular and a formation using a flow control device having a flow space formed therein; and a flow control element positioned in flow space. The flow control element may be configured to flex between a first radial position and a second radial position to in response to a pressure differential along the flow space.

    摘要翻译: 装置,系统和相关方法使用具有形成在其中的流动空间的流量控制装置来控制井筒管和地层之间的流体流动; 以及位于流动空间中的流量控制元件。 流量控制元件可以被配置为响应于沿着流动空间的压差而在第一径向位置和第二径向位置之间弯曲。

    Compositions and methods for water and gas shut-off in subterranean wells with VES fluids
    69.
    发明授权
    Compositions and methods for water and gas shut-off in subterranean wells with VES fluids 有权
    VES流体地下井水和气体关闭的组成和方法

    公开(公告)号:US07875575B2

    公开(公告)日:2011-01-25

    申请号:US11697954

    申请日:2007-04-09

    CPC分类号: C09K8/506 C09K8/5045

    摘要: Viscoelastic surfactant (VES) based fluid systems for zone isolation and flow control are effective in water and/or gas shutoff applications. The fluid systems may include brine, a viscosity enhancer, as well as the VES, and optionally a stabilizer for high temperature applications. The stabilizer may be an alkali earth metal oxide, alkali earth metal hydroxide, alkali metal oxide, alkali metal hydroxide, Al2O3, and mixtures thereof. The viscosity enhancer may include pyroelectric particles, piezoelectric particles, and mixtures thereof. The fluid system is easy to pump into the formation, and after pumping, the fluid system will generate very high viscosities to prevent the VES fluid from flowing back to stop undesirable water and/or gas production.

    摘要翻译: 用于区域隔离和流量控制的基于粘弹性表面活性剂(VES)的流体系统在水和/或气体截止应用中是有效的。 流体系统可以包括盐水,粘度增强剂,以及VES,以及任选的用于高温应用的稳定剂。 稳定剂可以是碱土金属氧化物,碱土金属氢氧化物,碱金属氧化物,碱金属氢氧化物,Al 2 O 3及其混合物。 粘度增强剂可以包括热电颗粒,压电颗粒及其混合物。 流体系统易于泵送到地层中,并且在泵送之后,流体系统将产生非常高的粘度,以防止VES流体回流以阻止不期望的水和/或气体产生。

    Viscosity enhancers for viscoelastic surfactant stimulation fluids
    70.
    发明授权
    Viscosity enhancers for viscoelastic surfactant stimulation fluids 有权
    粘弹性表面活性剂刺激液的粘度增强剂

    公开(公告)号:US07825075B2

    公开(公告)日:2010-11-02

    申请号:US12481341

    申请日:2009-06-09

    申请人: Tianping Huang

    发明人: Tianping Huang

    IPC分类号: C09K8/60

    摘要: Piezoelectric crystal particles (which include pyroelectric crystal particles) enhance the viscosity of aqueous fluids that have increased viscosity due to the presence of viscoelastic surfactants (VESs). In one non-limiting theory, when the fluid containing the viscosity enhancers is heated and/or placed under pressure, the particles develop surface charges that associate, link, connect, or relate the VES micelles thereby increasing the viscosity of the fluid. The higher fluid viscosity is beneficial to crack the formation rock during a fracturing operation, reduce fluid leakoff, and carry high loading proppants to maintain the high conductivity of fractures.

    摘要翻译: 由于粘弹性表面活性剂(VES)的存在,压电晶体颗粒(其包括热电晶体颗粒)增强粘度增加的含水流体的粘度。 在一个非限制性理论中,当含有粘度增强剂的流体被加热和/或放置在压力下时,颗粒形成表面电荷,其将VES胶束缔合,连接,连接或相关,从而增加流体的粘度。 更高的流体粘度有利于在压裂作业过程中裂缝地层岩石,减少流体泄漏,并承载高负荷支撑剂以保持高导电性的断裂。