Fracturing method for stimulation of wells utilizing carbon dioxide based fluids
A method of fracturing a subterranean formation with a stabilized foamed fracturing fluid comprising from about 30 percent to in excess of about 95 percent by volume of carbon dioxide with the remainder comprising a substantially anhydrous liquid and a selected surfactant. The foam is formed in situ by injection of a stabilized liquid-liquid emulsion containing liquid carbon dioxide into a well bore penetrating the formation. The temperature and pressure of the emulsion is controlled to maintain the carbon dioxide in the liquid phase during injection into the well bore. Thereafter, the carbon dioxide is heated by the subterranean formation to a temperature above about 88/sup 0/ F. at which time the stabilized emulsion spontaneously forms a high quality stabilized foam.
- Assignee:
- Halliburton Company
- Patent Number(s):
- US 4554082
- OSTI ID:
- 5700281
- Resource Relation:
- Patent File Date: Filed date 19 Feb 1985; Other Information: PAT-APPL-702986
- Country of Publication:
- United States
- Language:
- English
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Fracturing method for stimulation of wells utilizing carbon dioxide based fluids
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Related Subjects
03 NATURAL GAS
FRACTURING FLUIDS
CHEMICAL COMPOSITION
ROCK-FLUID INTERACTIONS
NATURAL GAS WELLS
HYDRAULIC FRACTURING
OIL WELLS
ANHYDRIDES
CARBON DIOXIDE
EMULSIONS
ENHANCED RECOVERY
FOAMS
HEATING
PRESSURE CONTROL
STABILIZATION
SURFACTANTS
TEMPERATURE CONTROL
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
COLLOIDS
COMMINUTION
CONTROL
DISPERSIONS
FLUIDS
FRACTURING
OXIDES
OXYGEN COMPOUNDS
RECOVERY
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing