Wells – Processes – Placing fluid into the formation
Patent
1998-07-06
2000-12-12
Tsay, Frank S.
Wells
Processes
Placing fluid into the formation
166 551, 166297, 175 46, E21B 4317
Patent
active
061585114
ABSTRACT:
A method and apparatus for perforating and stimulating a subterranean formation which is penetrated by a well bore having casing positioned therein so as to establish fluid communication between the formation and the well bore. Substantially rigid, flexible, or liquid propellant is interposed between the casing and at least one shaped charge in a subterranean well bore and is ignited due to the shock, heat and/or pressure generated from the detonated charge. Upon burning, the propellant material generates gases which clean perforations formed in the formation by detonation of the shaped charge(s) and which extend fluid communication between the formation and the well bore.
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Journal of Petroleum Technology, "Technology Digest; High-Energy-Gas Well Stimulation," Feb. 1998, pp. 16 and 83.
Haney et al., "The Application of an Optimized Propellant Stimulation Technique in Heavy Oil Wells," SPE 37531, 1997, pp. 173-182.
Ebel Jack E.
Marathon Oil Company
Tsay Frank S.
LandOfFree
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