Multiphase flow through cleats in coal. Final report, September 1990-December 1992

Technical Report · Fri Oct 01 00:00:00 EDT 1993

OSTI ID:5717831

Pyrak-Nolte, N J

The research work provided data for the effective cleat porosity, cleat aperture, and cleat network interconnectedness properties of five coal drill cores. These data revealed that measured values of effective cleat porosity and absolute water permeability made parallel to face cleats are incomparable with those made perpendicular to bedding planes. The data incomparability occurs because the coal cleat network geometry and interconnectedness are strongly orientation dependent. A round-robin inter-laboratory testing program provided data for assessment of the precision and bias associated with three different cleat porosity test methods.

• Research Organization: Purdue Univ., Lafayette, IN (United States). Dept. of Earth and Atmospheric Sciences
• OSTI ID: 5717831
• Report Number(s): PB-94-114576/XAB; CNN: GRI-5090-260-2003
• Resource Relation: Other Information: See also PB9--3-114387. Color illustrations reproduced in black and white
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
DRILL CORES
PERMEABILITY
POROSITY
COAL DEPOSITS
FRACTURED RESERVOIRS
GEOMETRY
MATHEMATICAL MODELS
MULTIPHASE FLOW
NATURAL GAS
RESERVOIR ENGINEERING
ENERGY SOURCES
ENGINEERING
FLUID FLOW
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC DEPOSITS
MATHEMATICS
MINERAL RESOURCES
RESOURCES
030300* - Natural Gas- Drilling
Production
& Processing
030700 - Natural Gas- Waste Management