Permeability estimation in tight gas reservoirs
In addition to knowing the values of in-situ stress, it is also extremely important to know the values of formation permeability in every rock layer. It is impossible to optimize the location of the perforations, the length of the hydraulic fracture, the conductivity of the hydraulic fracture, and the well spacing, if one does not know the values of formation permeability in every rock layer. In addition, one must know the formation permeability to forecast gas reserves and to analyze post-fracture pressure buildup tests. To determine the values of formation permeability, one can use data from logs, cores, production tests, and prefracture pressure buildup tests or injection falloff tests. The most data that are available vs. depth comes from openhole logs.
June, 2015
- Country:
- North America > United States > Texas (0.96)
- Geology:
- Geology > Geological Subdiscipline > Geomechanics (1.00)
- Geophysics:
- Geophysics > Borehole Geophysics (1.00)
- Oilfield Places:
- SPE Disciplines:
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