E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/22
E21B 43/22 (2006.01) C09K 8/58 (2006.01) E21B 43/17 (2006.01) E21B 43/263 (2006.01)
Patent
CA 1271702
ABSTRACT OF THE DISCLOSURE The effective permeability of subterranean hydrocarbon bearing formations with respect to surfactant and drive fluid injection processes is enhanced by preceding the surfactant fluid injection step with creation of multiple formation fractures using tailored pressure pulses produced by gas generating propellant canisters disposed in the injection well. Fluid injectivity rates are increased by subsequent fracture extensions provided by repeated steps of generating high Pressure gas pulses at selected intervals.
528081
Pathak Prabodh
Salter Stephen J.
Atlantic Richfield Company
Osler Hoskin & Harcourt Llp
Pathak Prabodh
Salter Stephen J.
LandOfFree
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