Fracturing yields oil from poorly consolidated sands
Journal Article
·
· World Oil; (United States)
OSTI ID:5165668
The technique of fracturing poorly consolidated sandstone reservoirs and filling them with a thick multilayer of proppant has proven successful since sustained production has been obtained from zones previously not producible. Since there was no significant difference in results when fluids of varying polymer concentrations were used, the least expensive fluid was applied. The 70/140 mesh sand used as a fluid loss additive apparently was effective and possibly less damaging than silica flour. Larger sized sand pumped at the end of treatments did not have a discernible effect on production rate, but wells treated with Clay Acid apparently produced at higher rates than wells not treated. The stimulation method described for poorly consolidated, sandstone reservoirs may be expected to be effective in areas other than the Cook Inlet of Alaska, i.e., in areas where conventional fracturing in relatively soft formations has not been successful.
- Research Organization:
- Union Oil Co. of California, Ankorage, AK
- OSTI ID:
- 5165668
- Journal Information:
- World Oil; (United States), Journal Name: World Oil; (United States) Vol. 198:6; ISSN WOOIA
- Country of Publication:
- United States
- Language:
- English
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