Methods of Improving Conformance Applications
AssigneeHalliburton Energy Services, Inc.
InventorsPhilip D. Nguyen, John Davis, Julio E. Vasquez, Larry S. Eoff
Life of this patent
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Abstract
A method of treating a reservoir penetrated by at least one well is provided. In accordance with the method, a consolidated solids pack is placed into a permeable zone of rock in the reservoir. The consolidated solids pack has a reduced permeability to water and a reduced mobility in the permeable zone. For example, when placed in the permeable zone in connection with a water flooding operation, the consolidated solids pack diverts the injectant from the permeable zone to other less permeable zones of the reservoir that contain oil.
Claims22
A method of treating a reservoir penetrated by at least one well, comprising:
- introducing a solids pack composition through a well penetrating the reservoir into a permeable zone of rock in the reservoir, said solids pack composition including:
- a carrier fluid;
- a plurality of water-swellable polymer particulates;
- and
- a plurality of non-degradable solid particulates coated with a hardenable resin;
- allowing said hardenable resin to harden;
- and
- allowing water to contact said water-swellable polymer particulates, thereby causing said water-swellable polymer particulates to swell.
A method of treating a reservoir penetrated by at least one well, comprising:
- introducing a solids pack composition through a well penetrating the reservoir into a permeable zone of rock in the reservoir, said solids pack composition including:
- a carrier fluid;
- a plurality of water-swellable polymer particulates;
- and
- a plurality of non-degradable solid particulates coated with a hardenable resin;
- allowing said hardenable resin to harden;
- allowing water to contact said water-swellable polymer particulates, thereby causing said water-swellable polymer particulates to swell;
- and
- after allowing water to contact said water-swellable polymer particulates, thereby causing said water-swellable polymer particulates to swell, injecting an injectant into the reservoir through an injection well penetrating the reservoir to drive hydrocarbons that are located in a portion of the reservoir outside of said permeable zone to a production well penetrating said reservoir.
A method of treating a reservoir penetrated by at least one production well and at least one injection well, comprising:
- introducing a solids pack composition through a well penetrating the reservoir into a permeable zone in the reservoir, said solids pack composition including:
- a carrier fluid;
- a plurality of water-swellable polymer particulates, said water swellable polymer particulate being formed of a crystalline polymer;
- and
- a plurality of non-degradable solid particulates coated with a hardenable resin;
- allowing said hardenable resin to cure;
- allowing water to contact said water-swellable polymer particulates, thereby causing said water-swellable polymer particulates to swell;
- and
- after allowing water to contact said water-swellable polymer particulates, thereby causing said water-swellable polymer particulates to swell injecting an injectant into the reservoir through one or more injection wells penetrating the reservoir to drive hydrocarbons that are located in a portion of the reservoir outside of said permeable zone to one or more production wells penetrating the reservoir, said injectant being selected from the group of an aqueous fluid, carbon dioxide, nitrogen, methane, natural gas, and any combination thereof.
Dependencies are inferred from the claim text.