Controls on permeability distribution in lower Cretaceous Travis Peak Formation, east Texas
Conference
·
· AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States)
OSTI ID:6112433
Porosity and permeability decrease significantly with depth in low-permeability, gas-bearing Travis Peak sandstones on the western flank of the Sabine uplift. The Travis Peak Formation is about 2000 ft thick and is buried to depths of 6000-10,000 ft. Thin-section and core-analysis data from 3550 ft of core from 25 wells indicate that both depositional environment and diagenetic history influenced the present permeability distribution. Reservoir sandstones are divided into two main types: fluvial sandstones deposited in a sand-rich environment and paralic sandstones deposited in mud-rich environments. Paralic sandstones are finer grained than fluvial sandstones (average of 0.12 mm vs 0.17 mm, matrix-free sandstones only) and thus probably had lower original permeability.
- Research Organization:
- Univ. of Texas, Austin (USA)
- OSTI ID:
- 6112433
- Report Number(s):
- CONF-890404-
- Conference Information:
- Journal Name: AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States) Journal Volume: 73:3
- Country of Publication:
- United States
- Language:
- English
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· AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States)
·
OSTI ID:6048921