Application of borehole images to geologic modeling of an eolian reservoir
Conference
·
OSTI ID:6975485
New digital imaging techniques contribute significantly to a detailed geologic description of reservoirs. These new techniques include electrical images formed by the Formation MicroScanner (FMS) tool, an electrode array applied to the wellbore, and acoustic images produced by a digital borehole televiewer (BHTV). A quantitative image analysis software is described that provides strike and dip measurements of geologic structures, sedimentary structures, fractures and faults as well as the orientation of the contemporary stress field. These techniques were used to map tectonic and sedimentary structures from images acquired in a fractured eolian reservoir in the North Sea. Tectonic structures included several fracture sets, a steeply dipping fault and wellbore breakouts. Sedimentary structures included foresets and set boundaries of cross-bedded eolian sandstones and interdune deposits. Quantitative geologic models were constructed from images acquired in a fault zone and a cross-bedded sequence. These geologic models highlight the interrelated effects that fractures, anisotropic stress and bedding have on the directional permeability in this reservoir.
- Research Organization:
- Schlumberger-Doll Research, Ridgefield, CT 06877
- OSTI ID:
- 6975485
- Report Number(s):
- CONF-861080-
- Country of Publication:
- United States
- Language:
- English
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Analysis of borehole images and their application to geologic modeling of an eolian reservoir
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Related Subjects
02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
ATLANTIC OCEAN
BOREHOLES
CAVITIES
EQUIPMENT
EXPLORATION
GEOLOGIC DEPOSITS
GEOLOGIC FAULTS
GEOLOGIC FISSURES
GEOLOGIC FRACTURES
GEOLOGIC MODELS
GEOLOGIC STRUCTURES
IMAGE PROCESSING
IMAGES
MINERAL RESOURCES
NATURAL GAS DEPOSITS
NORTH SEA
PERMEABILITY
PETROLEUM DEPOSITS
PROCESSING
REMOTE VIEWING EQUIPMENT
RESOURCES
ROCKS
SANDSTONES
SEAS
SEDIMENTARY ROCKS
SEDIMENTATION
STRESSES
SURFACE WATERS
TECTONICS
WELL LOGGING
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
ATLANTIC OCEAN
BOREHOLES
CAVITIES
EQUIPMENT
EXPLORATION
GEOLOGIC DEPOSITS
GEOLOGIC FAULTS
GEOLOGIC FISSURES
GEOLOGIC FRACTURES
GEOLOGIC MODELS
GEOLOGIC STRUCTURES
IMAGE PROCESSING
IMAGES
MINERAL RESOURCES
NATURAL GAS DEPOSITS
NORTH SEA
PERMEABILITY
PETROLEUM DEPOSITS
PROCESSING
REMOTE VIEWING EQUIPMENT
RESOURCES
ROCKS
SANDSTONES
SEAS
SEDIMENTARY ROCKS
SEDIMENTATION
STRESSES
SURFACE WATERS
TECTONICS
WELL LOGGING