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Title: Appraisal of the tight sands potential of the Sand Wash and Great Divide Basins. Final report, June 1989--June 1991

Abstract

The volume of future tight gas reserve additions is difficult to estimate because of uncertainties in the characterization and extent of the resource and the performance and cost-effectiveness of stimulation and production technologies. Ongoing R&D by industry and government aims to reduce the risks and costs of producing these tight resources, increase the certainty of knowledge of their geologic characteristics and extent, and increase the efficiency of production technologies. Some basins expected to contain large volumes of tight gas are being evaluated as to their potential contribution to domestic gas supplies. This report describes the results of one such appraisal. This analysis addresses the tight portions of the Eastern Greater Green River Basin (Sand Wash and Great Divide Subbasins in Northwestern Colorado and Southwestern Wyoming, respectively), with respect to estimated gas-in-place, technical recovery, and potential reserves. Geological data were compiled from public and proprietary sources. The study estimated gas-in-place in significant (greater than 10 feet net sand thickness) tight sand intervals for six distinct vertical and 21 areal units of analysis. These units of analysis represent tight gas potential outside current areas of development. For each unit of analysis, a ``typical`` well was modeled to represent the costs, recovery andmore » economics of near-term drilling prospects in that unit. Technically recoverable gas was calculated using reservoir properties and assumptions about current formation evaluation and extraction technology performance. Basin-specific capital and operating costs were incorporated along with taxes, royalties and current regulations to estimate the minimum required wellhead gas price required to make the typical well in each of unit of analysis economic.« less

Publication Date:
Research Org.:
ICF Resources, Inc., Fairfax, VA (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10104568
Report Number(s):
DOE/MC/26306-3472
ON: DE94000011; BR: AB0505050/AB0510100; TRN: 94:000777
DOE Contract Number:  
AC21-89MC26306
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: Aug 1993
Country of Publication:
United States
Language:
English
Subject:
03 NATURAL GAS; COLORADO; NATURAL GAS DEPOSITS; WYOMING; RESOURCE POTENTIAL; PROGRESS REPORT; SANDSTONES; ECONOMIC ANALYSIS; GEOLOGY; NATURAL GAS WELLS; WELL DRILLING; PRODUCTION; COST; NUMERICAL DATA; 030200; 030600; RESERVES, GEOLOGY, AND EXPLORATION; ECONOMIC, INDUSTRIAL, AND BUSINESS ASPECTS

Citation Formats

Not Available. Appraisal of the tight sands potential of the Sand Wash and Great Divide Basins. Final report, June 1989--June 1991. United States: N. p., 1993. Web. doi:10.2172/10104568.
Not Available. Appraisal of the tight sands potential of the Sand Wash and Great Divide Basins. Final report, June 1989--June 1991. United States. doi:10.2172/10104568.
Not Available. Sun . "Appraisal of the tight sands potential of the Sand Wash and Great Divide Basins. Final report, June 1989--June 1991". United States. doi:10.2172/10104568. https://www.osti.gov/servlets/purl/10104568.
@article{osti_10104568,
title = {Appraisal of the tight sands potential of the Sand Wash and Great Divide Basins. Final report, June 1989--June 1991},
author = {Not Available},
abstractNote = {The volume of future tight gas reserve additions is difficult to estimate because of uncertainties in the characterization and extent of the resource and the performance and cost-effectiveness of stimulation and production technologies. Ongoing R&D by industry and government aims to reduce the risks and costs of producing these tight resources, increase the certainty of knowledge of their geologic characteristics and extent, and increase the efficiency of production technologies. Some basins expected to contain large volumes of tight gas are being evaluated as to their potential contribution to domestic gas supplies. This report describes the results of one such appraisal. This analysis addresses the tight portions of the Eastern Greater Green River Basin (Sand Wash and Great Divide Subbasins in Northwestern Colorado and Southwestern Wyoming, respectively), with respect to estimated gas-in-place, technical recovery, and potential reserves. Geological data were compiled from public and proprietary sources. The study estimated gas-in-place in significant (greater than 10 feet net sand thickness) tight sand intervals for six distinct vertical and 21 areal units of analysis. These units of analysis represent tight gas potential outside current areas of development. For each unit of analysis, a ``typical`` well was modeled to represent the costs, recovery and economics of near-term drilling prospects in that unit. Technically recoverable gas was calculated using reservoir properties and assumptions about current formation evaluation and extraction technology performance. Basin-specific capital and operating costs were incorporated along with taxes, royalties and current regulations to estimate the minimum required wellhead gas price required to make the typical well in each of unit of analysis economic.},
doi = {10.2172/10104568},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Aug 01 00:00:00 EDT 1993},
month = {Sun Aug 01 00:00:00 EDT 1993}
}

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