Evaluation of Austin Chalk from cores

Conference · Fri Jan 01 00:00:00 EST 1982 · Texas Petroleum Research Comm. Austin Chalk Oil Recovery Conference; (United States)

OSTI ID:6270909

Craft, J M

To evaluate the economic and producing capacity of the Austin Chalk it is necessary to recognize the existence of 2 types of reservoirs, the matrix and the fracture reservoir. These 2 reservoirs are vastly different in their ability to store and produce hydrocarbons. A detailed definition of each and an understanding of their interdependence and interaction is necessary for a successful evaluation. The fracture reservoir can, in its natural state, have a very high permeability and capacity to transmit liquids or gas. It can have significant storage capacity. Matrix porosity and oil saturation indicate zones of matrix hydrocarbon accumulation. The permeability present would not flow significant amounts of fluid without the presence of a fracture system, either natural or artificially induced. Fractures must have sufficient permeability to reduce pressure in the fracture approaching well-bore flowing pressure.

• OSTI ID: 6270909
• Journal Information: Texas Petroleum Research Comm. Austin Chalk Oil Recovery Conference; (United States), Vol. 256; Conference: Texas petroleum research comm. Austin chalk oil recovery conference, College Station, TX, USA, 28 Apr 1982
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
RESERVOIR ROCK
PERMEABILITY
PETROLEUM GEOLOGY
POROSITY
TEXAS
NATURAL GAS DEPOSITS
PETROLEUM DEPOSITS
DRILL CORES
ECONOMICS
FLUID FLOW
FRACTURED RESERVOIRS
FRACTURES
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LIMESTONE
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CARBONATE ROCKS
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020200* - Petroleum- Reserves
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030200 - Natural Gas- Reserves
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