Impairment mechanisms in vicksburg tight gas sands

A. Abrams, H. J. Vinegar

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

36 Scopus citations

Abstract

The flow of nitrogen and brine in tight Vicksburg "P" Sand cores was studied under field stress conditions. The experiments simulated various stages of a hydraulic fracturing treatment. Measurements were made of critical gas saturation, gas flow vs pressure gradient, and gas permeability vs brine saturation. Brine saturations were imaged with a medical computerized Tomography (CT) scanner. The laboratory results suggest that water block is not important when drawdown pressures at the fracture face exceed the capillary entry pressure by several hundred psi. The addition of alcohol or an alcohol/surfactant package to the brine does not significantly increase final gas flow.

Original languageEnglish
Title of host publicationSociety of Petroleum Engineers - SPE/DOE Low Permeability Gas Reservoirs Symposium, LPG 1985
PublisherSociety of Petroleum Engineers
ISBN (Electronic)9781555636272
StatePublished - 1 Jan 1985
Externally publishedYes
Event1985 SPE/DOE Low Permeability Gas Reservoirs Symposium, LPG 1985 - Denver, United States
Duration: 19 Mar 198522 Mar 1985

Publication series

NameSociety of Petroleum Engineers - SPE/DOE Low Permeability Gas Reservoirs Symposium, LPG 1985

Conference

Conference1985 SPE/DOE Low Permeability Gas Reservoirs Symposium, LPG 1985
Country/TerritoryUnited States
CityDenver
Period19/03/8522/03/85

ASJC Scopus subject areas

  • Geochemistry and Petrology

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