Wellbore Cement Having Spent Polymer Capsule Shells
US-2018258336-A1 · Sep 13, 2018 · US
Cement having cross-linked polymers
US10655046B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10655046-B2 |
| Application number | US-201916447500-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 20, 2019 |
| Priority date | Sep 20, 2016 |
| Publication date | May 19, 2020 |
| Grant date | May 19, 2020 |
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Abstract
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A wellbore cement composition that includes a cross-linked polyamide. The polyamide is formed by reacting a di-functional amine with an aromatic tri-functional carboxylic acid. The wellbore cement composition is created by blending cement and water with the polyamide and then allowed to cure. Increases in compressive strength, Young's Modulus, and Poisson's Ratio of the cement were realized by adding the polyamide to the cement composition.
First claim
Opening claim text (preview).
What is claimed is: 1. A cement composition for use in a wellbore comprising: a cement; a calcium silicate in the cement; and a polyaramide condensate compound that is cross-linked and formed from a trifunctional carboxylic acid and a diamine, where the polyaramide condensate compound comprises poly-(meta-phenylene trimesoylamide). 2. A cement composition for use in a wellbore comprising: a cement; a calcium silicate in the cement; and a polyaramide condensate compound that is cross-linked and formed from a trifunctional carboxylic acid and a diamine, where the polyaramide condensate compound comprises poly-(para-phenylene trimesoylamide. 3. A cement composition for use in a wellbore comprising: a cement; a calcium silicate in the cement; and a polyaramide condensate compound that is cross-linked and formed from a trifunctional carboxylic acid and a diamine, where the polyaramide condensate compound comprises poly(hexamethylene trimesoylamide).
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Classifications
containing additives for specific purposes · CPC title
Carboxylic acids; Salts, anhydrides or esters thereof · CPC title
Enhanced recovery methods for obtaining hydrocarbons · CPC title
- C04B28/04Primary
Portland cements · CPC title
- C09K8/46Primary
containing inorganic binders, e.g. Portland cement · CPC title
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- What does patent US10655046B2 cover?
- A wellbore cement composition that includes a cross-linked polyamide. The polyamide is formed by reacting a di-functional amine with an aromatic tri-functional carboxylic acid. The wellbore cement composition is created by blending cement and water with the polyamide and then allowed to cure. Increases in compressive strength, Young's Modulus, and Poisson's Ratio of the cement were realized by …
- Who is the assignee on this patent?
- Saudi Arabian Oil Co
- What technology area does this patent fall under?
- Primary CPC classification C04B28/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 19 2020 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 10 related publications on this page (citations in our corpus or others sharing the same primary CPC).