Abnormal formation pressures in the Navarin Basin, Bering Sea, Alaska. Final report
Technical Report
·
OSTI ID:5456420
The 75-page report describes and analyzes the occurrences of multiple zones of abnormal formation pressure that were encountered in nine wells drilled in the Navarin basin. The report provides a discussion of the abnormal pressure response on wireline logs and drilling parameters, and a comparison between direct and indirect pressure measurements. The lithology and stratigraphy of the abnormal pressure zones and the wells are based on cuttings and core data. Secondary effects of abnormal pressure such as shale diapirism and in situ stress states and microfracture development are covered. Possible mechanisms of abnormal pressure production and maintenance are also discussed, and a possible evolution of the abnormal pressure zones is proposed.
- Research Organization:
- Minerals Management Service, Anchorage, AK (United States). Alaska Outer Continental Shelf Region
- OSTI ID:
- 5456420
- Report Number(s):
- PB-91-172239/XAB; OCS/MMS--91/0034
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
58 GEOSCIENCES
580000* -- Geosciences
ALASKA
BERING SEA
DEVELOPED COUNTRIES
DRILL CORES
DRILLING
EXPLORATORY WELLS
FEDERAL REGION X
GEOLOGIC DEPOSITS
GEOLOGIC STRUCTURES
GEOLOGY
GEOPRESSURE ANOMALIES
LITHOLOGY
NORTH AMERICA
OFFSHORE DRILLING
ORIGIN
PACIFIC OCEAN
PRESSURE MEASUREMENT
RESERVOIR PRESSURE
ROCKS
SEAS
SEDIMENTARY BASINS
SEDIMENTARY ROCKS
SHALES
STRATIGRAPHY
STRESS ANALYSIS
SURFACE WATERS
USA
WELL DRILLING
WELL LOGGING
WELLS
580000* -- Geosciences
ALASKA
BERING SEA
DEVELOPED COUNTRIES
DRILL CORES
DRILLING
EXPLORATORY WELLS
FEDERAL REGION X
GEOLOGIC DEPOSITS
GEOLOGIC STRUCTURES
GEOLOGY
GEOPRESSURE ANOMALIES
LITHOLOGY
NORTH AMERICA
OFFSHORE DRILLING
ORIGIN
PACIFIC OCEAN
PRESSURE MEASUREMENT
RESERVOIR PRESSURE
ROCKS
SEAS
SEDIMENTARY BASINS
SEDIMENTARY ROCKS
SHALES
STRATIGRAPHY
STRESS ANALYSIS
SURFACE WATERS
USA
WELL DRILLING
WELL LOGGING
WELLS