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US-2017218250-A1 · Aug 3, 2017 · US
Clay inhibitors for the drilling industry
US9034801B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9034801-B2 |
| Application number | US-201313921030-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 18, 2013 |
| Priority date | Oct 13, 2010 |
| Publication date | May 19, 2015 |
| Grant date | May 19, 2015 |
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Abstract
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The hydration of clays in drilling operations can be inhibited by employing an aqueous based drilling fluid containing from about 0.2 to about 5 wt % of a hydration inhibitor that comprises bis-hexamethylene-triamine, bis-hexamethylene-triamine salts, or mixtures thereof.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for inhibiting the hydration of clays in drilling operations comprising contacting a subterranean formation during drilling operations with an aqueous based drilling fluid containing from about 0.2 to about 5 wt % of a hydration inhibitor comprising a member selected from the group consisting of a high boiling by-product of hexamethylenediamine purification (HMDA bottoms), salts of a high boiling by-product of hexamethylenediamine purification, and m…
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Chemistry & Metallurgy · mapped topic
- C09K8/06Primary
Chemistry & Metallurgy · mapped topic
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- What does patent US9034801B2 cover?
- The hydration of clays in drilling operations can be inhibited by employing an aqueous based drilling fluid containing from about 0.2 to about 5 wt % of a hydration inhibitor that comprises bis-hexamethylene-triamine, bis-hexamethylene-triamine salts, or mixtures thereof.
- Who is the assignee on this patent?
- Lamberti Spa
- What technology area does this patent fall under?
- Primary CPC classification C09K8/06. 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).