The use of density control foam fracturing for selective proppant placement in the Bartlesville Formation
A major consideration in fracture stimulation of the Bartlesville formation in Eastern Oklahoma is the lack of competent barriers to prevent downward fracture growth out of the oil-producing interval and into the water-producing interval. This has resulted in sizeable increases in water production with little or no effective stimulation of oil production. Attempts have been made to design stimulation treatments to minimize the downward fracture growth through the control of job size and pumping rates. This approach has produced some successful fracture treatments as will be discussed in this paper, but evidence indicates that in many cases proppant has been placed in the water-producing interval despite these measures. This paper presents a different approach to minimizing water production resulting from hydraulic fracturing. It is based on the assumption that downward fracture growth cannot be sufficiently controlled using existing procedures. This approach presents the use of density controlled foam fracturing to selectively place proppants in the upper portion of the fracture adjacent to the oil-producing interval. Included are case histories of density control fracture treatments as well as those of conventional treatments performed in the Bartlesville. Also included are radioactive tracer surveys to support selective proppant placement using a density controlled foam fracturing process.
- Research Organization:
- ARCO Oil and Gas Co.
- OSTI ID:
- 6413924
- Report Number(s):
- CONF-850311-
- Journal Information:
- Soc. Pet. Eng. AIME, Pap.; (United States), Vol. SPE13797; Conference: National Association of Corrosion Engineers annual meeting and materials performance and corrosion show, Boston, MA, USA, 25 Mar 1985
- Country of Publication:
- United States
- Language:
- English
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OIL WELLS
HYDRAULIC FRACTURING
SAND CONSOLIDATION
DENSITY
FRACTURING FLUIDS
OIL FIELDS
OKLAHOMA
PROPPING AGENTS
RADIOACTIVE TRACER LOGGING
WELL COMPLETION
WELL STIMULATION
COMMINUTION
FEDERAL REGION VI
FLUIDS
FRACTURING
GEOLOGIC DEPOSITS
ISOTOPE APPLICATIONS
MINERAL RESOURCES
NORTH AMERICA
PETROLEUM DEPOSITS
PHYSICAL PROPERTIES
RADIOACTIVITY LOGGING
RESOURCES
STIMULATION
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WELLS
020300* - Petroleum- Drilling & Production