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Exploration on continental shelf off northwest Australia

Journal Article · · Am. Assoc. Pet. Geol., Bull.; (United States)
OSTI ID:6767386
; ;

Development of the NW. shelf area into a proven hydrocarbon-bearing province has been relatively fast and successful thanks to recent advances in seismic technology and to close geologic-geophysical coordination. Work to date has located several geologic provinces and subbasins. The Dampier subbasin is especially attractive because of thick sandstone reservoirs and excellent shale source rocks, particularly in the Jurassic and Triassic sections. The Rankin trend has 3 separate accumulations, with separate gas and/or oil-water contacts proved by the drilling of N. Rankin No. 1, Rankin No. 1, and Goodwyn No. 1. Thick sandstone sections in these wells had a westerly source. Similar features and environmental conditions are expected to extend into the adjoining Beagle Trough. The Browse Basin, offshore from the ancient Precambrian-Proterozoic Kimberley block, contains more than 30,000 ft of Tertiary, Cretaceous, Jurassic, and Triassic sedimentary rocks. The Scott Reef gas discovery is on the outer rim of this basin and source sands of the productive Jurassic-Triassic section are indicated to have come from the northwest. Many upthrust-block trends within the basin are untested.

Research Organization:
BOC Australia Ltd.
OSTI ID:
6767386
Journal Information:
Am. Assoc. Pet. Geol., Bull.; (United States), Journal Name: Am. Assoc. Pet. Geol., Bull.; (United States) Vol. 57:6; ISSN AAPGB
Country of Publication:
United States
Language:
English

Similar Records

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Related Subjects

02 PETROLEUM
020200 -- Petroleum-- Reserves
Geology
& Exploration
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
030300 -- Natural Gas-- Drilling
Production
& Processing
AUSTRALASIA
AUSTRALIA
CONTINENTAL MARGIN
CONTINENTAL SHELF
DRILLING
ENERGY SOURCES
EXPLORATION
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC DEPOSITS
GEOLOGY
MINERAL RESOURCES
NATURAL GAS
NATURAL GAS DEPOSITS
NATURAL GAS WELLS
OIL WELLS
PETROLEUM
PETROLEUM DEPOSITS
RESOURCE DEVELOPMENT
RESOURCES
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SHALES
WELL DRILLING
WELLS