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Multi-scale reservoir modeling as an integrated assessment tool for geo-sequestration in the San Juan Basin

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Abstract

The Southwestern Regional Partnership on CO2 Sequestration conducted an Enhanced Coalbed Methane (ECBM)/Carbon Storage Pilot in the San Juan Basin as part of the ongoing DOE/NETL Carbon Capture and Storage Program. The primary goal of this pilot is to demonstrate the efficacy of using CO2 to enhance coalbed methane recovery particularly near reservoir abandonment pressure while also evaluating the suitability of coal seams for longer-term carbon storage. Basic geologic models of the coal seams were developed from well logs in the area. Production histories from several surrounding CBM wells were shown. To monitor the injection of up to 75,000 ton of CO2 beginning September 2007, seismic surveys and tiltmeter arrays were utilized. Larger-scale geo-hydrodynamic simulations were used to develop a regional model for the fluid dynamics of the northern San Juan Basin. Smaller-scale reservoir simulations, incorporating available laboratory and field data, were used to develop an improved understanding of reservoir dynamics within the specific 640-acre pilot area. Both modeling scales were critical to assessing the suitability of deploying commercial carbon storage programs throughout the basin. Reservoir characterization results on the optimization of total CO2 injection volume, injection rate over time, and how CO2 is expected to disperse after injection are presented. This is an abstract of a paper presented at the 2007 AIChE Annual Meeting (Salt Lake City, UT 11/4-9/2007).

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Multi-scale reservoir modeling as an integrated assessment tool for geo-sequestration in the San Juan Basin
ISBN:
9780816910229
Year Published:
2007
Language:
English
Number of Pages:
1
Conference Title:
2007 AIChE Annual Meeting
Conference Location:
Salt Lake City,
Conference Date:
4 November 2007 through 9 November 2007