Methods of using cellulose in various oilfield applications

US8950490B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8950490-B2
Application numberUS-201213407234-A
CountryUS
Kind codeB2
Filing dateFeb 28, 2012
Priority dateFeb 28, 2012
Publication dateFeb 10, 2015
Grant dateFeb 10, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A method of well treatment that includes providing a well treatment composition containing a non-functionalized cellulose material and a halide salt composition containing at least zinc halide, calcium halide or a mixture thereof, and placing the well treatment composition within a wellbore or a subterranean formation, and wherein the halide salt composition dissolves at least a portion of the non-functionalized cellulose material.

First claim

Opening claim text (preview).

What is claimed is: 1. A method of well treatment, the method comprising: providing a well treatment composition comprised of a non-functionalized cellulose material and a halide salt composition consisting of water and a halide salt selected from the group consisting of zinc halide, calcium halide or a mixture thereof, and placing the well treatment composition within a wellbore or a subterranean formation, and wherein the halide salt composition dissolves at least a portion…

Assignees

Inventors

Classifications

  • E21B43/28Primary

    Fixed Constructions · mapped topic

  • E21B33/10Primary

    Fixed Constructions · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Fixed Constructions · mapped topic

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What does patent US8950490B2 cover?
A method of well treatment that includes providing a well treatment composition containing a non-functionalized cellulose material and a halide salt composition containing at least zinc halide, calcium halide or a mixture thereof, and placing the well treatment composition within a wellbore or a subterranean formation, and wherein the halide salt composition dissolves at least a portion o…
Who is the assignee on this patent?
Phatak Alhad, Abad Carlos, Schlumberger Technology Corp
What technology area does this patent fall under?
Primary CPC classification E21B43/28. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Feb 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).