Wellbore additives that include liquid-infiltrated porous silica

Patent metadata

Field	Value
Publication number	US-10329472-B2
Application number	US-201515548751-A
Country	US
Kind code	B2
Filing date	Mar 4, 2015
Priority date	Mar 4, 2015
Publication date	Jun 25, 2019
Grant date	Jun 25, 2019

Abstract

Fluid additives suitable for use in a wellbore (e.g., a liquid comprising an aqueous miscible fluid, a liquid surfactant, or both) may be converted into a liquid-infiltrated porous silica that is a flowable bulk solid. The flowable bulk solid may then be handled and stored as a traditional solid wellbore additive. For example, the flowable bulk solid may be added to an aqueous fluid to produce a wellbore fluid that is then introduced into a wellbore penetrating a subterranean formation.

First claim

What is claimed is:

1. A method comprising:
adding a flowable bulk solid into an aqueous fluid to produce a wellbore fluid, wherein the flowable bulk solid comprises a liquid-infiltrated porous silica, wherein the liquid comprises a liquid surfactant, an aqueous miscible fluid, or both, wherein the wellbore fluid further comprises a weighting agent that is different than the liquid-infiltrated porous silica, and wherein a weight ratio of the liquid-infiltrated porous silica to the weighting agent is about 0.1:99.9 to about 99.9:0.1; and
introducing the wellbore fluid into a wellbore penetrating a subterranean formation.

2. The method of claim 1 , wherein the liquid-infiltrated porous silica is present in the flowable bulk solid at about 0.1% to about 100% by weight of the flowable bulk solid.

3. The method of claim 1 , wherein the wellbore fluid is a spacer fluid and the method further comprises:
introducing an oleaginous drilling fluid into the wellbore;
introducing the spacer fluid into the wellbore after the oleaginous drilling fluid; and
introducing a cement slurry into the wellbore after the spacer fluid.

4. The method of claim 1 , wherein the wellbore fluid is a cement slurry and further comprises cement particles, and wherein the method further comprises:
introducing an oleaginous drilling fluid into the wellbore; and
introducing the slurry into the wellbore after the oleaginous drilling fluid.

5. The method of claim 4 , wherein the flowable bulk solid further includes a set retarder.

6. The method of claim 5 , wherein a weight ratio of the set retarder to the liquid-infiltrated porous silica is about 1:700 to about 100:700.

7. The method of claim 4 , wherein the flowable bulk solid further includes a set accelerator.

8. The method of claim 7 , wherein a weight ratio of the set accelerator to the liquid-infiltrated porous silica is about 1:700 to about 100:700.

9. The method of claim 1 , wherein the wellbore fluid further comprises a fluid loss control agent that is different than the liquid-infiltrated porous silica.

10. The method of claim 9 , wherein a weight ratio of the fluid loss control agent to the liquid-infiltrated porous silica is about 1:700 to about 250:700.

11. The method of claim 1 , wherein the wellbore fluid further comprises a polymer.

12. The method of claim 11 , wherein a weight ratio of the polymer to the liquid-infiltrated porous silica is about 1:700 to about 250:700.

13. A system comprising:
a tubular extending into a wellbore penetrating a subterranean formation where an annulus is defined between the tubular and the wellbore; and
a pump fluidly coupled to the tubular, wherein the tubular, the annulus, or both contain a wellbore fluid produce by mixing water with a flowable bulk solid that includes a liquid-infiltrated porous silica, wherein the liquid comprises an aqueous miscible fluid, a liquid surfactant, or both, wherein the wellbore fluid further comprises a weighting agent that is different than the liquid-infiltrated porous silica and wherein a weight ratio of the liquid-infiltrated porous silica to the weighting agent is about 0.1:99.9 to about 99.9:0.1.

14. A method comprising:
introducing a composition into a wellbore penetrating a subterranean formation where an annulus is defined between the tubular and the wellbore,
wherein the composition comprises a flowable bulk solid that includes:
a liquid-infiltrated porous silica, wherein the liquid comprises an aqueous miscible fluid, a liquid surfactant, or both; and a weighting agent that is different than the liquid-infiltrated porous silica wherein a weight ratio of the liquid-infiltrated porous silica to the weighting agent is about 0.1:99.9 to about 99.9:0.1.

15. The method of claim 14 , wherein the flowable bulk solid further includes cement particles.

16. The method of claim 15 , wherein the flowable bulk solid further includes a set retarder.

17. The method of claim 15 , wherein the flowable bulk solid further includes a set accelerator.

18. The method of claim 14 , wherein the flowable bulk solid further includes a fluid loss control agent that is different than the liquid-infiltrated porous silica.

Assignees

• Halliburton Energy Services Inc

Inventors

• Albrighton Lucas David
• Mckay Adam Matthew
• Jones Paul Joseph
• Grimes Evan Baker
• Russell Evan Thomas
• Fry Dominik
• Barker Ryan Edward
• Dealy Sears T
• Reddy B Raghava

Classifications

• C04B14/06

  Quartz; Sand · CPC title

• C09K8/467

  containing additives for specific purposes · CPC title

• C04B2103/40

  Surface-active agents, dispersants · CPC title

• C04B2103/12

  Set accelerators · CPC title

• C09K8/32

  Non-aqueous well-drilling compositions, e.g. oil-based · CPC title