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US 2020/0270504 A1Published application
Pickering Foam Drilling Fluids
AssigneeHalliburton Energy Services, Inc.
InventorsTatyana V. Khamatnurova, Jody Marie Burks, Ali Alwattari
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Abstract
A method comprising: providing a composition comprising: a base liquid; and solid particles; foaming the composition with a gas to produce a foamed drilling fluid; wherein the foamed drilling fluid is characterized as a Pickering foam wherein at least a portion of the solid particles are dispersed on an interface between the base liquid and the gas to stabilize the Pickering foam; pumping the foamed drilling fluid through a drill string; and extending a wellbore through a subterranean formation.
Claims20
A method comprising:
- providing a composition comprising:
- a base liquid;
- and
- solid particles;
- foaming the composition with a gas to produce a foamed drilling fluid;
- wherein the foamed drilling fluid is characterized as a Pickering foam, wherein at least a portion of the solid particles are dispersed on an interface between the base liquid and the gas to stabilize the Pickering foam;
- pumping the foamed drilling fluid through a drill string;
- and
- extending a wellbore through a subterranean formation.
6 more elements
A method comprising:
- mixing a drilling fluid in a mixer, wherein the drilling fluid comprises:
- a base liquid;
- and
- solid particles comprising silica;
- wherein the solid particles have a d50 particle size ranging from about 10 μm to about 100 μm;
- conveying the drilling fluid to a foaming unit;
- introducing a gas into the drilling fluid to produce a foamed drilling fluid, wherein the foamed drilling fluid is characterized as a Pickering foam wherein at least about 95 wt. % or more of the solid particles are dispersed on an interface between the base liquid the gas;
- circulating the foamed drilling fluid though a drill string and annulus;
- and
- extending a wellbore through a subterranean formation.
7 more elements
A drilling fluid comprising:
- a base liquid;
- a gas entrained in the base liquid;
- and
- solid particles;
- wherein the drilling fluid is a foamed drilling fluid in the form of a Pickering foam having a foam quality ranging from about 90% to about 99%, wherein at least a portion of the solid particles are dispersed on an interface between the base liquid and the gas to stabilize the Pickering foam.
2 more elements
Dependencies are inferred from the claim text.