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Degradable granule and related method thereof

A particle and degradable polymer technology, applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve problems affecting the environment, halogenated solvent health problems, etc.

Inactive Publication Date: 2014-04-02
HALLIBURTON ENERGY SERVICES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Also, the possible use of halogenated solvents in these methods poses health concerns and impacts the environment

Method used

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  • Degradable granule and related method thereof
  • Degradable granule and related method thereof

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Embodiment 1

[0041] Example 2

Embodiment 2

[0043] Accordingly, the present invention is well adapted to attain the objects and advantages set forth above and those incorporated therein. The specific embodiments disclosed above are merely exemplary, since those skilled in the art may improve or implement the present invention in different but obviously equivalent manners with the help of the teachings of the present application. While many changes may be made by those skilled in the art, such changes are encompassed within the spirit of the invention as defined by the appended claims. Furthermore, no limitations are intended to the details of construction or design shown, other than as described in the claims below. The exemplary embodiments described above may therefore be altered or altered, and all variations are considered to be within the spirit and scope of the invention. In particular, each numerical range disclosed herein (eg, "from about a to about b" or, equivalently, "from about a to b", or, equivalently, "f...

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Abstract

Methods that include a method comprising: providing a degradable polymer and one solvent; combining the degradable polymer and the solvent to form a degradable polymer composition; allowing the degradable polymer to at least partially plasticize; and applying sufficient shear to the degradable polymer composition so that degradable particulates begin to form. Additional methods are provided.

Description

[0001] Cross-Referenced Related Applications [0002] This application is a continuation-in-part of US Application Serial No. 11 / 492,642, filed July 25, 2006, the entire contents of which are hereby incorporated by reference. technical field [0003] In general, the present invention relates primarily to methods of making degradable particles, and to methods of using these degradable particles in subterranean applications. Background technique [0004] Degradable particles include degradable materials (which are typically degradable polymers) that undergo irreversible degradation for use in subterranean applications such as well drilling. As used herein, the term "particle" or "particles" refers to one or more particles having the following physical shapes: platelets, shavings, fibers, flakes, ribbons Shapes, rods, bars, spheres, toroids, pellets, tablets or other suitable shapes. As used herein, the term "irreversible" means that the degradable material degrades in situ ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/03C08L67/00C08L63/00C08L85/02C08L77/00
CPCC09K8/80C09K8/516
Inventor 小T·穆诺茨K·L·施赖纳
Owner HALLIBURTON ENERGY SERVICES INC