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Method of treating produced or flowback water with nucleophilic agent to deactivate breaker
US9505044B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9505044-B2 |
| Application number | US-201414524173-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 27, 2014 |
| Priority date | Nov 13, 2013 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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Abstract
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Produced or flowback water from an underground reservoir having been treated with a fluid containing a viscosifying polymer and a vitamin B 1 and/or ylide breaker may be recycled by deactivating the vitamin B 1 and/or ylide breaker with a sulfur or phosphorus containing nucleophilic agent.
First claim
Opening claim text (preview).
What is claimed is: 1. A method comprising: (a) mixing produced water or flowback water from an underground reservoir with a sulfur or phosphorus containing nucleophilic agent, wherein the produced water or flowback water comprises a viscosifying polymer or a remnant thereof and a vitamin B 1 breaker, an ylide breaker or both a vitamin B 1 breaker and an ylide breaker; (b) deactivating the vitamin B 1 breaker, ylide breaker or both vitamin B 1 breaker and glide breaker with…
Assignees
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Classifications
- B09C1/002Primary
Operations & Transport · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US9505044B2 cover?
- Produced or flowback water from an underground reservoir having been treated with a fluid containing a viscosifying polymer and a vitamin B 1 and/or ylide breaker may be recycled by deactivating the vitamin B 1 and/or ylide breaker with a sulfur or phosphorus containing nucleophilic agent.
- Who is the assignee on this patent?
- Baker Hughes Inc
- What technology area does this patent fall under?
- Primary CPC classification B09C1/002. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Nov 29 2016 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).