Production technology experience in a large carbonate waterflood, Denver Unit, Wasson San Andres Field, West Texas
Conference
·
· Soc. Pet. Eng. AIME, Pap.; (United States)
OSTI ID:5876259
Shell Oil Company currently is operating a large waterflood project in the Permian San Andres dolomite reservoir of the Denver Unit located in west Texas. The project consists of some 870 producers and 340 injectors, with current oil production rate, water production rate, and water injection rate, respectively, of 133,000 bopd, 225,000 bwpd, and 536,000 bwpd. In addition to major infill drilling programs, which have been underway for the past several years, a substantial remedial and reconditioning program has been conducted with some 250 jobs currently per year. Highlights of production technology and experience gained in this project are presented. Completion philosophies (e.g., barefoot vs. steel or fiberglass cased hole completions and single vs. dual completions) are discussed. Results of well stimulation by acid treatment utilizing short-spaced straddle packers in cased hole completions vs. diverting agents with use of inflatable packets in open-hole completions are analyzed, along with perforation density and treatment size. Injection profile conformance improvements in injection wells by employing relatively inexpensive methods that have been innovated in the course of performing the project are presented.
- OSTI ID:
- 5876259
- Report Number(s):
- CONF-790913-
- Conference Information:
- Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States) Journal Volume: SPE-8406
- Country of Publication:
- United States
- Language:
- English
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·
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ACIDIZATION
ALKALINE EARTH METAL COMPOUNDS
CALCIUM CARBONATES
CALCIUM COMPOUNDS
CARBON COMPOUNDS
CARBONATE MINERALS
CARBONATES
DOLOMITE
ENERGY SOURCES
FEDERAL REGION VI
FLUID INJECTION
FOSSIL FUELS
FUELS
INJECTION WELLS
MAGNESIUM CARBONATES
MAGNESIUM COMPOUNDS
MINERALS
NORTH AMERICA
OIL WELLS
OXYGEN COMPOUNDS
PETROLEUM
PRODUCTION
STIMULATION
TEXAS
USA
WATERFLOODING
WELL COMPLETION
WELL STIMULATION
WELLS
020300* -- Petroleum-- Drilling & Production
ACIDIZATION
ALKALINE EARTH METAL COMPOUNDS
CALCIUM CARBONATES
CALCIUM COMPOUNDS
CARBON COMPOUNDS
CARBONATE MINERALS
CARBONATES
DOLOMITE
ENERGY SOURCES
FEDERAL REGION VI
FLUID INJECTION
FOSSIL FUELS
FUELS
INJECTION WELLS
MAGNESIUM CARBONATES
MAGNESIUM COMPOUNDS
MINERALS
NORTH AMERICA
OIL WELLS
OXYGEN COMPOUNDS
PETROLEUM
PRODUCTION
STIMULATION
TEXAS
USA
WATERFLOODING
WELL COMPLETION
WELL STIMULATION
WELLS