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Geology and development of Attake oil field, Indonesia

Conference · · Am. Assoc. Pet. Geol., Bull.; (United States)
OSTI ID:5007301
; ;

Of particular significance in the Indonesia oil search was the discovery of the Attaka oil field, offshore E. Kalimantan (Borneo), in late 1970. After confirmation drilling from Sept. 1970 to Feb. 1971, field development and facility installation began in early 1971. First production was achieved in Nov. 1972. This major field is in the Tertiary Balikpapan Basin. Production occurs mainly from sublittoral to deltaic sands of the Attaka Series, of Pliocene and Miocene ages. The age of the deepest bed penetrated in the field area is middle Miocene. Well logs and paleontologic data indicate a predominately regressive sequence of deposition. Highly permeable pay sands, 34 in number, occur at intervals from 2,000 to 7,800 ft measured depth. The structure is a faulted anticline. Faults and stratigraphic variations in part control accumulation and affect fluid properties. The oil is very low in sulfur content, and has a range of gravity from 35 to 52/sup 0/ API. Both saturated and undersaturated reservoirs are present.

Research Organization:
Union Oil Indonesia
OSTI ID:
5007301
Report Number(s):
CONF-7305138-
Journal Information:
Am. Assoc. Pet. Geol., Bull.; (United States), Journal Name: Am. Assoc. Pet. Geol., Bull.; (United States) Vol. 57:4; ISSN AAPGB
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
ANTICLINES
API GRAVITY
ASIA
CENOZOIC ERA
DENSITY
DEVELOPING COUNTRIES
ENERGY SOURCES
EXPLORATION
FLUID FLOW
FOSSIL FUELS
FUELS
GEOLOGIC AGES
GEOLOGIC DEPOSITS
GEOLOGIC FAULTS
GEOLOGIC STRATA
GEOLOGIC STRUCTURES
GEOLOGY
INDONESIA
ISLANDS
MINERAL RESOURCES
OFFSHORE OPERATIONS
OIL FIELDS
OIL SATURATION
PERMEABILITY
PETROLEUM
PETROLEUM DEPOSITS
PHYSICAL PROPERTIES
RESOURCE DEVELOPMENT
RESOURCES
SATURATION
SEDIMENTARY BASINS
SULFUR CONTENT
TERTIARY PERIOD