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31. 发明授权

US07784541B2 System and method for low damage fracturing 有权
$System and method for low damage fracturing$
标题翻译：低损伤压裂的系统和方法
公开(公告)号：US07784541B2
公开(公告)日：2010-08-31
申请号：US12174137
申请日：2008-07-16
申请人： Ryan Hartman , Mohan K. R. Panga , Bruno Drochon , John W. Still
发明人： Ryan Hartman , Mohan K. R. Panga , Bruno Drochon , John W. Still
IPC分类号： E21B43/267 , E21B43/27
CPC分类号： C09K8/64 , C09K8/536 , C09K8/68 , C09K8/703 , C09K8/76 , C09K8/80 , E21B43/267 , Y10S507/923 , Y10S507/924
摘要： A system includes a wellbore in fluid communication with a formation of interest and a fracturing slurry include a carrier fluid with a low amount of a viscosifier, an amount of proppant including a first average particle size between about 200 and 2000 μm, an amount particulates including a second average particle size between about three and ten times smaller than the first average particle size, and a third amount of particulates having a third average particle size smaller than the second average particle size. A sum of all of the particulates in the fracturing slurry exceed about 16 pounds per gallon of the carrier fluid. They system further includes a pumping device that creates a propped fracture in the formation of interest with the fracturing slurry, and a removal agent that removes the second amount of particulates and/or the third amount of particulates from the propped fracture.
摘要翻译：系统包括与感兴趣的形成流体连通的井眼，并且压裂浆料包括具有少量粘稠剂的载体流体，包含约200和2000μm之间的第一平均粒度的支撑剂的量，包括比第一平均粒径小约三倍至十倍的第二平均粒径，以及具有比第二平均粒径小的第三平均粒径的第三量的微粒。压裂浆中的所有颗粒的总和超过每加仑载体流体大约16磅。它们还包括一个泵送装置，该压力装置利用压裂浆料产生所关注的形成中的支撑断裂，以及从支撑的裂缝中去除第二量的微粒和/或第三量的颗粒的去除剂。

32. 发明申请

US20090025934A1 System and Method for Low Damage Fracturing 有权
标题翻译：低损伤压裂系统与方法
公开(公告)号：US20090025934A1
公开(公告)日：2009-01-29
申请号：US12174137
申请日：2008-07-16
申请人： Ryan Hartman , Mohan K.R. Panga , Bruno Drochon , John W. Still
发明人： Ryan Hartman , Mohan K.R. Panga , Bruno Drochon , John W. Still
IPC分类号： E21B43/267
CPC分类号： C09K8/64 , C09K8/536 , C09K8/68 , C09K8/703 , C09K8/76 , C09K8/80 , E21B43/267 , Y10S507/923 , Y10S507/924
摘要： A system includes a wellbore in fluid communication with a formation of interest and a fracturing slurry include a carrier fluid with a low amount of a viscosifier, an amount of proppant including a first average particle size between about 200 and 2000 μm, an amount particulates including a second average particle size between about three and ten times smaller than the first average particle size, and a third amount of particulates having a third average particle size smaller than the second average particle size. A sum of all of the particulates in the fracturing slurry exceed about 16 pounds per gallon of the carrier fluid. They system further includes a pumping device that creates a propped fracture in the formation of interest with the fracturing slurry, and a removal agent that removes the second amount of particulates and/or the third amount of particulates from the propped fracture.
摘要翻译：系统包括与感兴趣的形成流体连通的井眼，并且压裂浆料包括具有少量的增粘剂的载体流体，包含约200和2000μm之间的第一平均粒度的支撑剂的量，包括比第一平均粒径小约三倍至十倍的第二平均粒径，以及具有比第二平均粒径小的第三平均粒径的第三量的微粒。压裂浆中的所有颗粒的总和超过每加仑载体流体大约16磅。它们还包括一个泵送装置，该压力装置利用压裂浆料产生所关注的形成中的支撑断裂，以及从支撑的裂缝中去除第二量的微粒和/或第三量的微粒的去除剂。

33. 发明授权

US08511381B2 High solids content slurry methods and systems 失效
标题翻译：高固含量浆料方法和系统
公开(公告)号：US08511381B2
公开(公告)日：2013-08-20
申请号：US12827853
申请日：2010-06-30
申请人： Mohan K. R. Panga , Balkrishna Gadiyar , Bruno Drochon , John W. Still
发明人： Mohan K. R. Panga , Balkrishna Gadiyar , Bruno Drochon , John W. Still
IPC分类号： E21B43/04 , E21B43/267 , C09K8/80 , C09K8/88
CPC分类号： E21B43/04 , C09K8/80 , E21B43/267
摘要： A system and method are disclosed for low damage gravel packing. The system comprises a well bore; a gravel packing slurry comprising a carrier fluid and a solids mixture, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75, wherein the solids mixture comprises at least a proppant PSD mode and a fines PSD mode; a pump to circulate the slurry in the wellbore and form a proppant pack; and a dispersant source effective to facilitate fines flowback from the pack. The method comprises circulating the slurry through a wellbore to form a proppant pack; contacting fines in the pack with a dispersant; and passing fluid through the pack to remove fines from the pack. Dispersants disclosed as present in the slurry or in another treatment fluid include polyelectrolyte, polysulfonate, polycarboxylate, lignosulfonates, polymelamine sulfonates, polystyrene sulfonates, polynaphthalene sulfonates, polyacrylates having a weight average molecular weight less than 10,000 Daltons, anionic, cationic, amphoteric and zwitterionic surfactants, and nonionic surfactants.
摘要翻译：公开了一种用于低损伤砾石包装的系统和方法。该系统包括一个井眼; 包括载体流体和固体混合物的砾石填充浆料，其中所述固体混合物包含多个体积平均粒度分布（PSD）模式，使得填充体积分数（PVF）超过0.75，其中所述固体混合物至少包含支撑剂PSD模式和罚款PSD模式; 使浆料在井眼中循环并形成支撑剂包的泵; 以及有效促进从包装中回流的细粉的分散剂源。该方法包括使浆料循环通过井眼形成支撑剂包; 将细粉与分散剂接触; 并将流体通过包装以从包装中除去细粒料。存在于浆料或另一种处理流体中的分散剂包括聚电解质，聚磺酸盐，聚羧酸盐，木质素磺酸盐，聚三聚氰胺磺酸盐，聚苯乙烯磺酸盐，聚萘磺酸盐，重均分子量小于10,000道尔顿的聚丙烯酸盐，阴离子，阳离子，两性和两性离子表面活性剂，和非离子表面活性剂。

34. 发明申请

US20120138296A1 HIGH SOLIDS CONTENT SLURRIES AND METHODS 有权
标题翻译：高固体内容物流和方法
公开(公告)号：US20120138296A1
公开(公告)日：2012-06-07
申请号：US13372589
申请日：2012-02-14
申请人： Mohan K.R. Panga , Philip F. Sullivan , Balkrishna Gadiyar , Ryan Hartman , Bruno Drochon , John W. Still , Bryan Stamm
发明人： Mohan K.R. Panga , Philip F. Sullivan , Balkrishna Gadiyar , Ryan Hartman , Bruno Drochon , John W. Still , Bryan Stamm
IPC分类号： E21B43/267 , C09K8/62
CPC分类号： C09K8/80 , C09K8/805 , E21B43/04 , E21B43/267
摘要： A slurry and method are disclosed for low damage gravel packing. The slurry comprises a solids mixture comprising a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75; a carrier fluid in an amount to provide a solids volume fraction (SVF) less than the PVF of the solids mixture; and a stability additive to inhibit settling of the solids mixture. The method comprises circulating the slurry into a wellbore to deposit the slurry downhole; terminating the slurry circulation for a period of time, wherein the stability additive inhibits settling of the solids mixture; and thereafter circulating the deposited slurry in contact with a surface of a screen. Stability additives disclosed include colloidal particles, hydratable polymer particles, and particles having an aspect ratio above 6.
摘要翻译：公开了一种用于低损伤砾石包装的浆料和方法。该浆液包含一种包含多个体积平均粒度分布（PSD）模式的固体混合物，使得填充体积分数（PVF）超过0.75; 载体流体，其量提供小于固体混合物的PVF的固体体积分数（SVF）; 以及稳定添加剂以抑制固体混合物的沉降。该方法包括将浆料循环到井眼中以将井下的泥浆沉积; 终止浆料循环一段时间，其中稳定性添加剂抑制固体混合物的沉降; 然后使沉积的浆料与筛网的表面接触。所公开的稳定添加剂包括胶体颗粒，可水合的聚合物颗粒和长宽比高于6的颗粒。

35. 发明申请

US20120000651A1 HIGH SOLIDS CONTENT SLURRY SYSTEMS AND METHODS 有权
标题翻译：高固体含量浆料系统和方法
公开(公告)号：US20120000651A1
公开(公告)日：2012-01-05
申请号：US12827511
申请日：2010-06-30
申请人： Mohan K.R. Panga , Peter J. Photos , Bruno Drochon , John W. Still , Mehmet Parlar , Balkrishna Gadiyar , Dinesh R. Patel , Graham M. Watson
发明人： Mohan K.R. Panga , Peter J. Photos , Bruno Drochon , John W. Still , Mehmet Parlar , Balkrishna Gadiyar , Dinesh R. Patel , Graham M. Watson
IPC分类号： E21B43/08 , E21B43/16 , E21B43/26 , C09K8/00
CPC分类号： E21B43/04 , C09K8/42 , C09K8/516 , C09K8/80 , E21B43/088
摘要： A method includes providing a slurry comprising a carrier fluid and a solids mixture, and injecting said slurry in a wellbore wherein the solids mixture comprises at least two volume-averaged particle size distribution (PSD) modes, wherein a first PSD mode comprises solids having a volume-average median size at least three times larger than the volume-average median size of a second PSD mode such that a packed volume fraction (PVF) of the solids mixture exceeds 0.75.
摘要翻译：一种方法包括提供包含载体流体和固体混合物的浆料，并将所述浆料注入井眼中，其中固体混合物包含至少两个体积平均粒度分布（PSD）模式，其中第一PSD模式包括具有体积平均中值大小比第二PSD模式的体积平均中值大小至少三倍，使得固体混合物的填充体积分数（PVF）超过0.75。

36. 发明申请

US20110127039A1 SYSTEM, METHOD, AND APPARATUS FOR ACID FRACTURING WITH SCALE INHIBITOR PROTECTION 有权
标题翻译：用于具有规模抑制剂保护的酸分离的系统，方法和装置
公开(公告)号：US20110127039A1
公开(公告)日：2011-06-02
申请号：US13025302
申请日：2011-02-11
申请人： Marieliz Garcia-Lopez De Victoria , John W. Still , Toan Bui
发明人： Marieliz Garcia-Lopez De Victoria , John W. Still , Toan Bui
IPC分类号： E21B43/26 , C09K8/52
CPC分类号： C09K8/72 , C09K8/528 , C09K8/78 , Y10S507/902 , Y10S507/906 , Y10S507/921 , Y10S507/922 , Y10S507/927 , Y10S507/933
摘要： A method for treating a subterranean formation includes forming a treatment fluid including a carrier fluid, a solid acid-precursor, and a solid scale inhibitor. The solid acid-precursor includes a material that forms an acid at downhole conditions in the subterranean formation. The method further includes adding a solid acid-responsive material into the treatment fluid, where the solid acid-responsive material enhances formation of acid from the solid acid-precursor in acidic conditions. The method includes performing an acid fracture treatment and inhibiting scale formation within the subterranean formation. The solid scale inhibitor allows for long-term scale inhibition after the treatment.
摘要翻译：处理地层的方法包括形成包括载体流体，固体酸前体和固体阻垢剂的处理流体。固体酸前体包括在地层中在井下条件下形成酸的材料。该方法还包括将固体酸响应材料添加到处理流体中，其中固体酸响应材料在酸性条件下增强了从固体酸前体形成酸。该方法包括进行酸裂解处理并抑制地层内的结垢。固体阻垢剂在治疗后可以长期阻垢。

37. 发明申请

US20110053813A1 METHODS TO REDUCE SETTLING RATE OF SOLIDS IN A TREATMENT FLUID 有权
标题翻译：降低处理液中固体物质固化速率的方法
公开(公告)号：US20110053813A1
公开(公告)日：2011-03-03
申请号：US12551081
申请日：2009-08-31
申请人： Mohan K.R. Panga , Bruno Drochon , Isabelle Couillet , Juan-Carlos Santamaria , Peter J. Photos , John W. Still
发明人： Mohan K.R. Panga , Bruno Drochon , Isabelle Couillet , Juan-Carlos Santamaria , Peter J. Photos , John W. Still
IPC分类号： C09K8/62
CPC分类号： C09K8/08 , C09K8/68 , C09K8/70 , C09K8/74 , C09K8/90
摘要： The invention discloses a method of treating a subterranean formation of a well bore: providing a treatment fluid made of: a fluid; a particulate material, and a viscosifier material; wherein the viscosifier material is inactive in a first state and is able to increase viscosity of the treatment fluid when in a second state; introducing the treatment fluid into the wellbore; and providing a trigger able to activate the viscosifier material from first state to second state.
摘要翻译：本发明公开了一种处理井眼地下地层的方法：提供由以下液体制成的处理流体：流体; 颗粒材料和增粘剂材料; 其中所述增粘剂材料在第一状态下是无活性的，并且当处于第二状态时能够增加所述处理流体的粘度; 将处理液引入井眼; 以及提供能够将增粘剂材料从第一状态激活到第二状态的触发器。

38. 发明授权

US07886822B2 System, method, and apparatus for acid fracturing with scale inhibitor protection 有权
$System, method, and apparatus for acid fracturing with scale inhibitor protection$
标题翻译：用于防止酸垢破坏的系统，方法和装置
公开(公告)号：US07886822B2
公开(公告)日：2011-02-15
申请号：US12175203
申请日：2008-07-17
申请人： Marieliz Garcia-Lopez De Victoria , John W. Still , Toan Bui
发明人： Marieliz Garcia-Lopez De Victoria , John W. Still , Toan Bui
IPC分类号： E21B43/22
CPC分类号： C09K8/72 , C09K8/528 , C09K8/74
摘要： A method for treating a subterranean formation includes forming a treatment fluid including a carrier fluid, a solid acid-precursor, and a solid scale inhibitor. The solid acid-precursor includes a material that forms an acid at downhole conditions in the subterranean formation. The method further includes adding a solid acid-responsive material into the treatment fluid, where the solid acid-responsive material enhances formation of acid from the solid acid-precursor in acidic conditions. The method includes performing an acid fracture treatment and inhibiting scale formation within the subterranean formation. The solid scale inhibitor allows for long-term scale inhibition after the treatment.
摘要翻译：处理地层的方法包括形成包括载体流体，固体酸前体和固体阻垢剂的处理流体。固体酸前体包括在地层中在井下条件下形成酸的材料。该方法还包括将固体酸响应材料添加到处理流体中，其中固体酸响应材料在酸性条件下增强了从固体酸前体形成酸。该方法包括进行酸裂解处理并抑制地层内的结垢。固体阻垢剂在治疗后可以长期阻垢。

39. 发明申请

US20100243250A1 SYSTEM AND METHOD FOR LOW DAMAGE GRAVEL PACKING 有权
标题翻译：低损耗GRAVEL包装的系统和方法
公开(公告)号：US20100243250A1
公开(公告)日：2010-09-30
申请号：US12816473
申请日：2010-06-16
申请人： Mohan K.R. Panga , Balkrishna Gadiyar , Ryan Hartman , Bruno Drochon , John W. Still , Bryan Stamm
发明人： Mohan K.R. Panga , Balkrishna Gadiyar , Ryan Hartman , Bruno Drochon , John W. Still , Bryan Stamm
IPC分类号： E21B43/04 , C09K8/44
CPC分类号： E21B43/04 , C09K8/80 , C09K8/805 , Y10S507/925
摘要： A gravel packing system, method and slurry. The system comprises a blending device to prepare a slurry comprising a carrier fluid suspending first, second and third particulates, wherein the carrier fluid comprises a brine and less than about 2.4 g/L (20 lb per 1000 gallons) of a viscosifier, and wherein the sum of the mass of the particulates is greater than about 2.4 kg/L (20 pounds per gallon), wherein the first average particle volume is between 27 and 3375 times larger than the second average particle volume, which in turn is between 27 and 3375 times larger than the third average particle volume. The system can also include tubing to position a screen in the wellbore and a slurry pump to circulate the slurry from the blending device in the wellbore in any order such that the particulates are deposited in the screen annulus to form a gravel pack.
摘要翻译：砾石包装系统，方法和浆料。该系统包括混合装置以制备包括悬浮第一，第二和第三颗粒的载体流体的浆料，其中载体流体包含盐水并且小于约2.4g / L（20磅/ 1000加仑）的增粘剂，并且其中颗粒物质的总和大于约2.4kg / L（每加仑20磅），其中第一平均颗粒体积比第二平均颗粒体积大27至3375倍，其又在27和比第三平均颗粒体积大3375倍。该系统还可以包括用于将筛网定位在井眼中的管道以及浆料泵，以使淤浆中的混合装置以任何顺序循环，使得颗粒物沉积在筛孔中以形成砾石填料。

40. 发明申请

US20100160189A1 Method and Composition for Removing Filter Cake 有权
标题翻译：去除滤饼的方法和组成
公开(公告)号：US20100160189A1
公开(公告)日：2010-06-24
申请号：US12339921
申请日：2008-12-19
申请人： Michael J. Fuller , Syed Ali , Laurent Pirolli , John W. Still
发明人： Michael J. Fuller , Syed Ali , Laurent Pirolli , John W. Still
IPC分类号： C09K8/68
CPC分类号： C09K8/528 , C09K8/508 , C09K2208/18 , C09K2208/26 , C09K2208/30
摘要： The current disclosure describes a multifunctional fluid that addresses a new concept in the removal of filter cake. A composition is disclosed comprising: a carrier fluid, a surfactant, a fluorine source and an organic stabilizer able to minimize precipitation of fluorine The associated method to remove the filter cake is also described.
摘要翻译：本公开描述了一种解决滤饼去除的新概念的多功能流体。公开了一种组合物，其包括载体流体，表面活性剂，氟源和能够使氟沉淀最小化的有机稳定剂。还描述了除去滤饼的相关方法。

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