... from the more detailed modeling approaches. Upstream Oil & Gas fracture half length variation flow in porous media drillstem/well testing model 1 model 3 hydraulic fracturing Drillstem Testing Fluid Dynamics fracture length permeability degradation Vaca Muerta model 2 numerical...

... that we needed a fairly complete series of both pre- and post-frac lab tests, some of which had little or no precedent. These lab tests included: Estimates of permeability degradation and leakoff of foam frac fluids in very tight sands. Core analyses in the rock adjacent to the sands as well...