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    Method of enhancing proppant distribution and well production
    1.
    发明授权
    Method of enhancing proppant distribution and well production 有权

    公开(公告)号：US10920558B2

    公开(公告)日：2021-02-16

    申请号：US16510663

    申请日：2019-07-12

    申请人： Halliburton Energy Services, Inc.

    发明人： Philip D. Nguyen ,  Janette Cortez Montalvo ,  Leopoldo Sierra

    IPC分类号： E21B43/267 ,  C09K8/80

    摘要： A variety of systems, methods, and compositions are disclosed, including, a method for treating a subterranean formation, the method comprising: injecting a pad fluid into the subterranean formation at a pressure sufficient to create at least one fracture in the subterranean formation; injecting a first treatment fluid into the at least one fracture, wherein the first treatment fluid comprises: an aqueous base fluid, and a first proppant particulate; allowing the first proppant particulate to gravitationally migrate into a portion of the at least one fracture; injecting a second treatment fluid into the at least one fracture, wherein the second treatment fluid comprises: a suspension base fluid comprising a viscosity of about 50 cP to about 10,000 cP, and a second proppant particulate; and allowing the fracture to close, thereby forming a full proppant pack and a partial proppant pack in the at least one fracture.

    Propped fracture geometry with continuous flow
    3.
    发明授权
    Propped fracture geometry with continuous flow 有权

    公开(公告)号：US10808515B1

    公开(公告)日：2020-10-20

    申请号：US16436536

    申请日：2019-06-10

    申请人： Halliburton Energy Services, Inc.

    发明人： Leopoldo Sierra ,  Larry Steven Eoff

    IPC分类号： E21B43/267 ,  E21B43/12

    摘要： Method of arranging proppant in a fracture of a subterranean formation are disclosed. The methods can include (a) introducing a first fluid blend through a wellbore and into the fracture to form a first proppant bank in the fracture, and (b) introducing a second fluid blend through the wellbore and into the fracture to form a second proppant bank in the fracture, wherein a viscosity of the first fluid blend is less than a viscosity of the second fluid blend. The flow of the fluids can be alternated or switched between a lower viscosity fluid blend(s) and a higher viscosity fluid blend(s), without stopping a flow of fluid to the fracture.

    Methods of Enhancing the Fracture Conductivity of Multiple Interval Fractures in Subterranean Formations Propped with Cement Packs
    4.
    发明申请
    Methods of Enhancing the Fracture Conductivity of Multiple Interval Fractures in Subterranean Formations Propped with Cement Packs 审中-公开
    提高水泥包装地下地层间断裂导致断裂导电性的方法

    公开(公告)号：US20140144634A1

    公开(公告)日：2014-05-29

    申请号：US13687265

    申请日：2012-11-28

    申请人： Halliburton Energy Services, Inc.

    发明人： Philip D. Nguyen ,  Jimmie D. Weaver ,  Michael W. Sanders ,  Jason E. Bryant ,  Loyd E. East ,  Guillermo Antonio Izquierdo ,  Leopoldo Sierra ,  Timothy H. Hunter

    IPC分类号： E21B43/26

    CPC分类号： E21B43/261

    摘要： Methods of treating a wellbore in a subterranean formation having a top portion and a bottom portion, and a middle portion therebetween. The method includes providing a jetting fluid; providing a cement slurry; and providing a breakable gel fluid. Then introducing the jetting fluid into the bottom portion of the wellbore to create or enhance a bottom portion fracture; introducing the jetting fluid into the top portion of the wellbore to create or enhance a top portion fracture; introducing the cement slurry into the top portion fracture; introducing the cement slurry into the bottom portion fracture; and introducing the breakable gel fluid into the wellbore so as to prevent the expandable cementitious material from migrating out of the top portion fracture and bottom portion fracture. The expandable cementitious material is cured so as to form a cement pack, the breakable gel fluid is broken and removed from the subterranean formation.

    摘要翻译： 在具有顶部和底部的地下地层中处理井眼的方法以及它们之间的中间部分。 该方法包括提供喷射流体; 提供水泥浆; 并提供易碎的凝胶流体。 然后将喷射流体引入井眼的底部以产生或增强底部裂缝; 将喷射流体引入井眼的顶部以产生或增强顶部裂缝; 将水泥浆引入顶部断裂中; 将水泥浆引入底部断裂中; 并将可破坏的凝胶流体引入井筒中，以防止可膨胀的水泥质材料从顶部断裂和底部断裂中迁移出来。 可膨胀水泥材料被固化以形成水泥包装，破碎的凝胶流体被从地下地层中除去。

    METHOD OF ENHANCING PROPPANT DISTRIBUTION AND WELL PRODUCTION
    5.
    发明申请
    METHOD OF ENHANCING PROPPANT DISTRIBUTION AND WELL PRODUCTION 有权

    公开(公告)号：US20210010360A1

    公开(公告)日：2021-01-14

    申请号：US16510663

    申请日：2019-07-12

    申请人： Halliburton Energy Services, Inc.

    发明人： Philip D. Nguyen ,  Janette Cortez Montalvo ,  Leopoldo Sierra

    IPC分类号： E21B43/267 ,  C09K8/80

    摘要： A variety of systems, methods, and compositions are disclosed, including, a method for treating a subterranean formation, the method comprising: injecting a pad fluid into the subterranean formation at a pressure sufficient to create at least one fracture in the subterranean formation; injecting a first treatment fluid into the at least one fracture, wherein the first treatment fluid comprises: an aqueous base fluid, and a first proppant particulate; allowing the first proppant particulate to gravitationally migrate into a portion of the at least one fracture; injecting a second treatment fluid into the at least one fracture, wherein the second treatment fluid comprises: a suspension base fluid comprising a viscosity of about 50 cP to about 10,000 cP, and a second proppant particulate; and allowing the fracture to close, thereby forming a full proppant pack and a partial proppant pack in the at least one fracture.

    Ammonium Halide as Gelation Retarder for Crosslinkable Polymer Compositions
    6.
    发明申请
    Ammonium Halide as Gelation Retarder for Crosslinkable Polymer Compositions 审中-公开
    卤化铵作为可交联聚合物组合物的凝胶阻滞剂

    公开(公告)号：US20140224489A1

    公开(公告)日：2014-08-14

    申请号：US14252872

    申请日：2014-04-15

    申请人： Halliburton Energy Services, Inc.

    发明人： Ghaithan A. Al-Muntasheri ,  Leopoldo Sierra ,  Albert Bakhtiyarov

    IPC分类号： C09K8/512 ,  E21B33/138

    CPC分类号： E21B33/138 ,  C09K8/5083 ,  C09K8/512 ,  C09K8/882 ,  C09K8/887

    摘要： A method for blocking the permeability of a portion of a subterranean formation including the steps of: (a) selecting the portion of the subterranean formation to be treated, wherein the bottomhole temperature of the portion of the subterranean formation is equal to or greater than 250° F. (121° C.); (b) selecting estimated treatment conditions, wherein the estimated treatment conditions comprise temperature over a treatment time; (c) forming a treatment fluid that is a crosslinkable polymer composition comprising: (i) a water-soluble polymer, wherein the water-soluble polymer comprises a polymer of at least one non-acidic ethylenically unsaturated polar monomer; (ii) an organic crosslinker capable of crosslinking the water-soluble polymer; (iii) an ammonium halide; and (iv) water; (d) selecting the water-soluble polymer, the crosslinker, the ammonium halide, and the water, and the proportions thereof, such that the gelation time is at least 2 hours under the estimated treatment conditions; and (e) injecting the treatment fluid.

    摘要翻译： 一种用于阻挡地层的一部分的渗透性的方法，其包括以下步骤：（a）选择待处理的地层的部分，其中地下部分的井底温度等于或大于250 °F（121℃）; （b）选择估计的治疗条件，其中估计的治疗条件包括治疗时间以上的温度; （c）形成作为可交联聚合物组合物的处理流体，其包含：（i）水溶性聚合物，其中所述水溶性聚合物包含至少一种非酸性烯属不饱和极性单体的聚合物; （ii）能够交联水溶性聚合物的有机交联剂; （iii）卤化铵; 和（iv）水; （d）选择水溶性聚合物，交联剂，卤化铵和水及其比例，使得在估计的处理条件下凝胶化时间至少为2小时; 和（e）注射治疗液。