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    • 5. 发明授权
    • Downhole wellbore tools having deteriorable and water-swellable components thereof and methods of use
    • 井下井眼工具具有恶化的水溶胀性组分和使用方法
    • US07661481B2
    • 2010-02-16
    • US11447475
    • 2006-06-06
    • Bradley L. ToddTrinidad Munoz, Jr.
    • Bradley L. ToddTrinidad Munoz, Jr.
    • E21B33/13E21B33/12
    • E21B33/134E21B33/12
    • An apparatus is provided for use as a downhole tool or a component thereof for insertion into a wellbore. According to one aspect, the apparatus has a body having a chamber, wherein at least a portion of the body is radially expandable; and a water-swellable material in the chamber, wherein the water-swellable material is dissolvable in water. According to another aspect, the apparatus has a body having a chamber, wherein at least a portion of the body is radially expandable, and wherein at least a portion of the body is made with a material that is deteriorable by hydrolysis; and a water-swellable material in the chamber. According to a further aspect, the water-swellable material is dissolvable in water. A process of temporarily blocking or sealing a wellbore is also provided, including moving an apparatus according to the invention through a wellbore to a selected position in the wellbore; exposing the water-swellable material to water or an aqueous fluid to expand the apparatus into engagement with the wellbore; performing a well completion, servicing, or workover operation in which the apparatus is contacted with fluids; and thereafter, allowing the deteriorable material to deteriorate and/or allowing the water-swellable material to dissolve.
    • 提供一种用作井下工具或其部件用于插入井眼的装置。 根据一个方面,该装置具有一个具有室的主体,其中主体的至少一部分是可径向扩张的; 以及所述室中的水溶胀性材料,其中所述水溶胀性材料可溶于水。 根据另一方面,所述装置具有主体,该主体具有腔室,其中所述主体的至少一部分是径向可膨胀的,并且其中所述主体的至少一部分由可通过水解而劣化的材料制成; 和室内的水溶胀材料。 根据另一方面,水溶胀性材料可溶于水。 还提供了临时封闭或密封井眼的过程,包括将根据本发明的设备通过井筒移动到井眼中的选定位置; 将水溶胀材料暴露于水或含水流体以使设备膨胀成与井眼接合; 执行设备与流体接触的完井,维修或修井操作; 然后使劣化物质劣化和/或使水溶胀性物质溶解。
    • 10. 发明授权
    • Treatment fluids and methods of use in subterranean formations
    • 处理液和地下地层中使用的方法
    • US07475728B2
    • 2009-01-13
    • US10897509
    • 2004-07-23
    • Richard W. PaulsLarry S. EoffTrinidad Munoz, Jr.
    • Richard W. PaulsLarry S. EoffTrinidad Munoz, Jr.
    • E21B43/27
    • C09K8/52C09K8/536
    • The present invention relates to subterranean treatment operations. More particularly, the present invention relates to improved treatment fluids and methods of using such improved treatment fluids in subterranean formations. An example of a method of the present invention is a method of treating a subterranean formation. Another example of a method of the present invention is a method of drilling in a subterranean formation. Another example of a method of the present invention is a method of degrading a filter cake in a subterranean formation. An example of a composition of the present invention is a treatment fluid comprising a degradable diverting agent. Another example of a composition of the present invention is a degradable diverting agent for use in a subterranean treatment fluid.
    • 本发明涉及地下处理操作。 更具体地,本发明涉及改进的处理流体和在地下地层中使用这种改进的处理流体的方法。 本发明的方法的一个实例是处理地层的方法。 本发明的方法的另一个实例是在地层中钻探的方法。 本发明方法的另一个实例是降解地层中滤饼的方法。 本发明的组合物的实例是包含可降解转移剂的处理流体。 本发明的组合物的另一个实例是用于地下处理流体的可降解转移剂。