Wells – Processes – Chemical inter-reaction of two or more introduced materials
Patent
1993-12-10
1995-05-02
Suchfield, George A.
Wells
Processes
Chemical inter-reaction of two or more introduced materials
166308, E21B 4326
Patent
active
054110939
ABSTRACT:
A method for increasing the efficiency by which fracture fluids are produced back from a hydrocarbonaceous fluid bearing formation. To remove said fracture fluid, agglomerated particles or granules containing a chemical blowing agent are placed into the formation. After placement of the agglomerated particles and granules containing the blowing agent and fracturing the formation, the blowing agent decomposes thereby providing a driving force for fluid load removal from the formation matrix. Increased porosity enhances communication between the formation and the fracture, thus increasing the efficiency of fracture fluid production. Gas liberation within the matrix establishes communication pathways for subsequently removing hydrocarbonaceous fluids by displacing load fluids into the fracture and the well.
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Hager George W.
Malone Charles A.
McKillop Alexander J.
Mobil Oil Corporation
Suchfield George A.
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