Novel synthetic caustic composition
US-2019144293-A1 · May 16, 2019 · US
Synthetic caustic composition
US10913890B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10913890-B2 |
| Application number | US-201816189568-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 13, 2018 |
| Priority date | Nov 15, 2017 |
| Publication date | Feb 9, 2021 |
| Grant date | Feb 9, 2021 |
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Abstract
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An aqueous caustic composition comprising: a caustic component; an additive adapted to provide an extended buffering effect to the caustic composition when such is exposed to acid; and water. Methods of using such compositions are also disclosed.
First claim
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The invention claimed is: 1. An aqueous caustic composition comprising: a caustic component present in a concentration of up to 40 wt % of the aqueous caustic composition; an additive adapted to provide an extended buffering effect to the aqueous caustic composition when such is exposed to an acid, wherein the additive is present in a concentration of between 2% wt % and 25 wt % of the aqueous caustic composition; and water, wherein the aqueous caustic composition has a freezing point ranging from −30° C. to −40° C. 2. The aqueous caustic composition according to claim 1 , wherein the caustic component is selected from the group consisting of: potassium hydroxide; sodium hydroxide; and combinations thereof. 3. The aqueous caustic composition according to claim 1 , wherein the additive is glycine. 4. The aqueous caustic composition according to claim 1 , wherein the caustic component is present in a concentration ranging from 10 wt % to 30 wt % of the composition. 5. The aqueous caustic composition according to claim 1 , wherein the caustic component is present in a concentration ranging from 15 wt % to 25 wt % of the composition. 6. The aqueous caustic composition according to claim 1 , wherein the caustic component is present in a concentration of 25 wt % of the composition. 7. The aqueous caustic composition according to claim 1 , wherein the additive is present in a concentration of 25 wt % of the composition. 8. The aqueous caustic composition according to claim 1 , wherein the additive is present in a concentration ranging from 4 wt % to 15 wt % of the composition. 9. The aqueous caustic composition according to claim 1 , wherein the additive is present in a concentration ranging from 4 wt % to 10 wt % of the composition. 10. An aqueous caustic composition comprising: a caustic component; glycine; and water; wherein the caustic component is present in a concentration of up to 40 wt % of the composition, wherein glycine is present in a concentration of between 2 wt % and 25 wt % of the aqueous caustic composition, wherein the caustic component and glycine are present in a molar ratio ranging from 15:1 to 5:1, and wherein the aqueous caustic composition has a freezing point ranging from −30° C. to −40° C. 11. The aqueous caustic composition according to claim 10 , where the caustic component and the additive are present in a molar ratio ranging from 12:1 to 8:1. 12. The aqueous caustic composition according to claim 10 , wherein the caustic component comprises a hydroxide anion and a monovalent cation.
Assignees
Inventors
Classifications
- C09K8/665Primary
containing inorganic compounds (proppants C09K8/80) · CPC title
with aqueous alkaline solutions · CPC title
Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open · CPC title
containing solubilisers, e.g. solutisers · CPC title
containing cross-linking agents · CPC title
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Frequently asked questions
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- What does patent US10913890B2 cover?
- An aqueous caustic composition comprising: a caustic component; an additive adapted to provide an extended buffering effect to the caustic composition when such is exposed to acid; and water. Methods of using such compositions are also disclosed.
- Who is the assignee on this patent?
- Fluid Energy Group Ltd
- What technology area does this patent fall under?
- Primary CPC classification C09K8/665. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 09 2021 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 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).