Friction reduction fluids

US9034802B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9034802-B2
Application numberUS-83344907-A
CountryUS
Kind codeB2
Filing dateAug 3, 2007
Priority dateAug 17, 2006
Publication dateMay 19, 2015
Grant dateMay 19, 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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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The invention provides an oilfield suspending friction reducer treatment composition fluid comprising from about 0.001 weight percent to about 0.5 weight percent of a drag reducing surfactant; at least one drag reducing enhancer selected from the group consisting of polymeric drag reduction enhancers, monomeric drag reduction enhancers, and mixtures thereof.

First claim

Opening claim text (preview).

We claim: 1. An oilfield fracturing treatment method for reducing friction comprising the steps of: providing a suspending friction reducer fluid comprising: from about 0.001 weight percent to about 0.5 weight percent of a drag reducing surfactant comprising at least one surfactant selected from the group consisting of cationic surfactants, protonated amine surfactants, zwitterionic surfactants, anionic surfactants, amphoteric surfactants and mixtures thereof, at least one drag…

Assignees

Inventors

Classifications

  • Chemistry & Metallurgy · mapped topic

  • C09K8/68Primary

    Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Mechanical Engineering · mapped topic

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Frequently asked questions

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What does patent US9034802B2 cover?
The invention provides an oilfield suspending friction reducer treatment composition fluid comprising from about 0.001 weight percent to about 0.5 weight percent of a drag reducing surfactant; at least one drag reducing enhancer selected from the group consisting of polymeric drag reduction enhancers, monomeric drag reduction enhancers, and mixtures thereof.
Who is the assignee on this patent?
Ahrenst Alex, Lungwitz Bernhard, Fredd Christopher N, and 10 more
What technology area does this patent fall under?
Primary CPC classification C09K8/68. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue May 19 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).