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    Fluid Loss Additive and Breaking Agent
    11.
    发明申请
    Fluid Loss Additive and Breaking Agent 有权
    流体损失添加剂和破乳剂

    公开(公告)号：US20100181065A1

    公开(公告)日：2010-07-22

    申请号：US12356276

    申请日：2009-01-20

    Applicant: Hemant K. Ladva ,  Syed Ali ,  Mohan K.R. Panga ,  Richard D. Hutchins ,  Don Williamson

    Inventor： Hemant K. Ladva ,  Syed Ali ,  Mohan K.R. Panga ,  Richard D. Hutchins ,  Don Williamson

    IPC: E21B43/26 ,  E21B33/00 ,  E21B36/00 ,  E21B43/267 ,  C09K8/66 ,  E21B47/06 ,  E21B47/00

    CPC classification number: C09K8/68 ,  C09K8/70 ,  C09K8/88

    Abstract: A system includes a hydraulic fracturing fluid including a polymeric constituent and an additive having particles including poly-vinyl acetate in an amount sufficient to control fluid loss. The system includes a formation of interest having a downhole temperature, and the particles including poly-vinyl acetate have a size and/or shape such that the poly-vinyl acetate hydrolyses at the downhole temperature. The particles may have a size and/or shape such that the particles are deformable at the downhole temperature. The poly-vinyl acetate in the particles may be a part of the particle substrate, a coating on the particles, and/or the entire particle may be poly-vinyl acetate. The poly-vinyl acetate may be included in any portion of the hydraulic fracturing fluid, or only the portion of the hydraulic fracturing fluid that is not proppant laden.

    Abstract translation: 一种系统包括水力压裂流体，其包括聚合物成分和具有足以控制流体损失的量的包含聚乙酸乙烯酯的颗粒的添加剂。 该系统包括具有井下温度的感兴趣的形成，并且包括聚乙酸乙烯酯的颗粒具有尺寸和/或形状，使得聚乙酸乙烯酯在井下温度下水解。 颗粒可以具有尺寸和/或形状，使得颗粒在井下温度下可变形。 颗粒中的聚乙酸乙烯酯可以是颗粒基质的一部分，颗粒上的涂层和/或整个颗粒可以是聚乙酸乙烯酯。 聚乙酸乙烯酯可以包括在水力压裂液的任何部分中，或仅包含不支撑剂的部分水力压裂液。

    System and Method for Low Damage Gravel Packing
    12.
    发明申请
    System and Method for Low Damage Gravel Packing 有权
    低损伤砾石包装的系统和方法

    公开(公告)号：US20090025932A1

    公开(公告)日：2009-01-29

    申请号：US12124910

    申请日：2008-05-21

    Applicant: Mohan K.R. Panga ,  Balkrishna Gadiyar ,  Ryan Hartman ,  Bruno Drochon ,  John W. Still ,  Bryan Stamm

    Inventor： Mohan K.R. Panga ,  Balkrishna Gadiyar ,  Ryan Hartman ,  Bruno Drochon ,  John W. Still ,  Bryan Stamm

    IPC: E21B43/04

    CPC classification number: E21B43/04 ,  C09K8/80 ,  C09K8/805 ,  Y10S507/925

    Abstract: A method is disclosed for low damage gravel packing. The method includes combining a carrier fluid, a first amount of particulates, and a second amount of particulates into a slurry. The first amount of particulates have a first average size distribution and the second amount of particulates have a second average size distribution, and the first average size distribution is at least three times larger than the second average size distribution. The slurry includes particles which are at least partially degradable material, and with reactive solid constituents. The reactive solid reacts with the degradable material and/or a hydrolysis product of the degradable material. The method further includes positioning a screen in a wellbore, and circulating the slurry through the wellbore such that the first amount of particulates and the second amount of particulates are deposited on an outer surface of the screen.

    Abstract translation: 公开了一种低损伤砾石包装的方法。 该方法包括将载体流体，第一量的微粒和第二量的微粒组合成浆料。 第一量的颗粒具有第一平均尺寸分​​布，第二量的颗粒具有第二平均尺寸分​​布，并且第一平均尺寸分​​布比第二平均尺寸分​​布大至少三倍。 浆料包括至少部分可降解材料的颗粒和具有反应性固体成分的颗粒。 反应性固体与可降解材料和/或可降解材料的水解产物反应。 该方法还包括将筛网定位在井眼中，并使浆料循环通过井眼，使得第一量的微粒和第二量的微粒沉积在筛网的外表面上。

    HIGH SOLIDS CONTENT METHODS AND SLURRIES
    14.
    发明申请
    HIGH SOLIDS CONTENT METHODS AND SLURRIES 有权
    高固体内容方法和流程

    公开(公告)号：US20100300688A1

    公开(公告)日：2010-12-02

    申请号：US12827434

    申请日：2010-06-30

    Applicant: Mohan K.R. Panga ,  Peter J. Photos ,  Bruno Drochon ,  John W. Still ,  Balkrishna Gadiyar ,  Ryan Hartman ,  Bryan Stamm

    Inventor： Mohan K.R. Panga ,  Peter J. Photos ,  Bruno Drochon ,  John W. Still ,  Balkrishna Gadiyar ,  Ryan Hartman ,  Bryan Stamm

    IPC: E21B43/267 ,  E21B43/00

    CPC classification number: C09K8/572 ,  C09K8/80 ,  E21B43/04

    Abstract: A composition and method are disclosed. The composition includes a carrier fluid and a solids mixture combined to form a slurry, wherein the solids mixture comprises a plurality of 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 of the solids mixture exceeds 0.75, and wherein the solids mixture comprises a degradable material and includes a reactive solid. The method includes circulating the slurry through a wellbore to form a pack in a fracture and/or a screen-wellbore annulus; degrading the degradable material to increase porosity and permeability of the pack; and producing a reservoir fluid through the permeable pack.

    Abstract translation: 公开了组合物和方法。 组合物包括载体流体和组合形成浆料的固体混合物，其中固体混合物包含多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在 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超过0.75，并且其中固体混合物包含可降解材料并包括反应性固体。 该方法包括使浆料循环通过井孔以在裂缝和/或筛孔 - 井筒环中形成一个包装; 降解可降解材料以增加包装的孔隙率和渗透性; 并通过可渗透包装生产贮存液。

    Fluid Loss Control
    15.
    发明申请
    Fluid Loss Control 有权
    流体损失控制

    公开(公告)号：US20100126723A1

    公开(公告)日：2010-05-27

    申请号：US12323606

    申请日：2008-11-26

    Applicant: Syed Ali ,  Mohan K.R. Panga ,  John W. Still ,  Gary John Tustin ,  Balkrishna Gadiyar

    Inventor： Syed Ali ,  Mohan K.R. Panga ,  John W. Still ,  Gary John Tustin ,  Balkrishna Gadiyar

    IPC: E21B33/138 ,  E21B43/25 ,  E21B43/16 ,  C09K8/516

    CPC classification number: C09K8/52 ,  C09K8/508 ,  C09K8/512 ,  C09K8/516 ,  C09K2208/08 ,  C09K2208/18 ,  C09K2208/26 ,  C09K2208/28 ,  C09K2208/30 ,  E21B43/04

    Abstract: A fluid loss control method uses a fluid loss control pill in a well in advance of a completion operation. An embodiment of the fluid loss control pill comprises polyester solids that are hydrolysable and can exhibit plastic deformation at formation conditions. An embodiment of the method comprises spotting the fluid loss control pill in the well adjacent to a formation to form a filtercake to inhibit fluid entry from the well into the formation, performing a completion operation comprising contacting the filtercake with overbalanced wellbore fluid, and degrading the filtercake wherein the polyester particles are hydrolyzed to remove formation damage.

    Abstract translation: 在完成操作之前，流体损失控制方法在井中使用失水控制药丸。 流体损失控制丸的一个实施方案包括可水解并且可以在成形条件下表现出塑性变形的聚酯固体。 该方法的一个实施方案包括在邻近地层的井中检查流体损失控制药丸以形成滤饼以阻止流体从井进入地层，执行完成操作，包括使滤饼与过平衡的井筒流体接触，并使 滤饼，其中聚酯颗粒被水解以除去地层损伤。

    Methods For High Solid Content Fluids in Oilfield Applications
    16.
    发明申请
    Methods For High Solid Content Fluids in Oilfield Applications 审中-公开
    油田应用中高固体含量流体的方法

    公开(公告)号：US20130220619A1

    公开(公告)日：2013-08-29

    申请号：US13697466

    申请日：2011-05-06

    Applicant: Yiyan Chen ,  Hongren Gu ,  Xiaowei Weng ,  Peter J. Photos ,  Mohan K.R. Panga

    Inventor： Yiyan Chen ,  Hongren Gu ,  Xiaowei Weng ,  Peter J. Photos ,  Mohan K.R. Panga

    IPC: C09K8/62 ,  E21B43/26

    CPC classification number: C09K8/62 ,  C09K8/70 ,  C09K8/74 ,  C09K8/80 ,  E21B43/26 ,  E21B43/267

    Abstract: The invention discloses a method for use in a wellbore, comprising: providing a first fluid comprising at least a first type of particulate material having a first average particle size and a second type of particulate material having a second average particle size, wherein first average particle size is smaller than second average particle size; providing a second fluid comprising at least a third type of particulate material having a third average particle size and a fourth type of particulate material having a fourth average particle size, wherein third average particle size is smaller than fourth average particle size; and introducing the first fluid into the wellbore subsequently followed by introducing the second fluid into the wellbore, wherein the third average particle size is substantially equal to the second average particle size.

    Abstract translation: 本发明公开了一种在井眼中使用的方法，包括：提供第一流体，其包含具有第一平均粒度的至少第一类型的颗粒材料和具有第二平均粒径的第二类型的颗粒材料，其中第一平均颗粒 尺寸小于第二平均粒径; 提供第二流体，其包含具有第三平均粒度的至少第三类型的颗粒材料和具有第四平均粒度的第四类型的颗粒材料，其中第三平均粒度小于第四平均粒度; 以及将所述第一流体引入所述井筒中，随后将所述第二流体引入所述井筒中，其中所述第三平均粒度基本上等于所述第二平均粒度。

    PROPPANT PILLAR PLACEMENT IN A FRACTURE WITH HIGH SOLID CONTENT FLUID
    18.
    发明申请
    PROPPANT PILLAR PLACEMENT IN A FRACTURE WITH HIGH SOLID CONTENT FLUID 有权
    具有高固体含量流体的裂缝中的特殊支柱

    公开(公告)号：US20120247764A1

    公开(公告)日：2012-10-04

    申请号：US13073458

    申请日：2011-03-28

    Applicant: Mohan K.R. Panga ,  Yiyan Chen ,  Moin Muhammad

    Inventor： Mohan K.R. Panga ,  Yiyan Chen ,  Moin Muhammad

    IPC: E21B43/267

    CPC classification number: E21B43/267 ,  C09K8/70 ,  C09K8/80 ,  C09K2208/08 ,  E21B43/164

    Abstract: A method of placing proppant into a fracture formed in a subterranean formation from a wellbore is disclosed. The method comprises injecting through the wellbore a first treatment fluid to initiate the fracture in the subterranean formation; injecting through the wellbore a second treatment fluid comprising a particulate blend slurry made of proppant; the particulate blend comprising at least a first amount of particulates having a first average particle size between about 100 and 5000 μm and at least a second amount of particulates having a second average particle size between about three and twenty times smaller than the first average particle size; and forming with the particulate blend slurry a plurality of proppant-rich clusters spaced apart by proppant-free regions forming open channels.

    Abstract translation: 公开了一种将支撑剂置于从井眼形成在地层中的裂缝中的方法。 该方法包括通过井眼喷射第一处理流体以引发地层中的断裂; 通过井筒注入包含由支撑剂制成的颗粒状混合浆料的第二处理流体; 所述颗粒混合物包含至少第一量的具有约100至5000μm的第一平均粒度的颗粒和至少第二量的第二平均粒度小于第一平均粒度的约2-3倍的颗粒 ; 以及与所述颗粒状混合浆料一起形成多个富支撑剂富集簇，其通过形成开放通道的无支撑剂区域间隔开。

    HIGH SOLIDS CONTENT SLURRY METHODS
    20.
    发明申请
    HIGH SOLIDS CONTENT SLURRY METHODS 失效
    高固体含量浆料方法

    公开(公告)号：US20110155372A1

    公开(公告)日：2011-06-30

    申请号：US12827758

    申请日：2010-06-30

    Applicant: Mohan K.R. Panga ,  Peter J. Photos ,  John W. Still ,  Balkrishna Gadiyar ,  Bruno Drochon ,  Bryan Stamm

    Inventor： Mohan K.R. Panga ,  Peter J. Photos ,  John W. Still ,  Balkrishna Gadiyar ,  Bruno Drochon ,  Bryan Stamm

    IPC: E21B43/04

    CPC classification number: E21B43/04 ,  C09K8/80 ,  C09K8/805 ,  E21B43/267

    Abstract: A method and system are disclosed for low damage gravel packing. The method comprises: combining a carrier fluid and a solids mixture into a slurry, wherein the solids mixture comprises a plurality of particle size distribution modes such that a packed volume fraction exceeds 0.75; contacting a screen with leak-off control agent to form a bridge; positioning the screen and circulating the slurry through the wellbore in any order such that the solids mixture is deposited between the screen and the wellbore; degrading the degradable material to increase porosity and permeability of the pack; removing the bridge; and producing a reservoir fluid from the formation. The system comprises the slurry, a tubing string and slurry pump to position the screen and circulate the slurry to form the bridge on the screen.

    Abstract translation: 公开了一种低损伤砾石包装的方法和系统。 该方法包括：将载体流体和固体混合物混合成浆料，其中固体混合物包含多个粒度分布模式，使得填充体积分数超过0.75; 将屏幕与泄漏控制剂接触以形成桥; 定位筛网并以任何顺序使浆料循环通过井眼，使得固体混合物沉积在筛网和井眼之间; 降解可降解材料以增加包装的孔隙率和渗透性; 拆桥 并从地层产生储层流体。 该系统包括浆料，油管柱和浆料泵以定位筛网并使浆料循环以在筛网上形成桥。

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