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Title: Determining Coalbed Methane Production and Composition from Individual Stacked Coal Seams in a Multi-Zone Completed Gas Well

Abstract

This work proposes a novel and cost-effective approach to determine coalbed methane (CBM) production and composition from individual coal seams in a multi-zone completed CBM well. The novel method uses water to cover individual coal seams in a low pressure CBM well followed by an Echometer fluid level survey to determine the water level. Corresponding gas flow measurements and natural gas chromatography analysis are used to determine gas production and composition from unique zones. A field test using this technology is conducted in Central Appalachia for a multi-zone CBM well containing 18 coal seams. Test results show that the shallow coal seams contribute the majority of the total CBM production in this multi-zone well, and the deeper coal seams contain more heavy hydrocarbons like ethane and propane.

Authors:
 [1];  [2];  [2];  [2]; ORCiD logo [2];  [1]
+ Show Author Affiliations
  1. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Dept. of Mining and Minerals Engineering. Virginia Center for Coal and Energy Research Center
  2. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Virginia Center for Coal and Energy Research Center
Publication Date:
Research Org.:
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
Sponsoring Org.:
USDOE Office of Fossil Energy (FE)
OSTI Identifier:
1509860
Grant/Contract Number:  
[FE0006827]
Resource Type:
Accepted Manuscript
Journal Name:
Energies (Basel)
Additional Journal Information:
[Journal Name: Energies (Basel); Journal Volume: 10; Journal Issue: 10]; Journal ID: ISSN 1996-1073
Publisher:
MDPI AG
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; multi-zone CBM well; CBM production; CBM composition

Citation Formats

Ripepi, Nino, Louk, Kyle, Amante, Joseph, Schlosser, Charlies, Tang, Xu, and Gilliland, Ellen. Determining Coalbed Methane Production and Composition from Individual Stacked Coal Seams in a Multi-Zone Completed Gas Well. United States: N. p., 2017. Web. doi:10.3390/en10101533.
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Ripepi, Nino, Louk, Kyle, Amante, Joseph, Schlosser, Charlies, Tang, Xu, & Gilliland, Ellen. Determining Coalbed Methane Production and Composition from Individual Stacked Coal Seams in a Multi-Zone Completed Gas Well. United States. doi:10.3390/en10101533.
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Ripepi, Nino, Louk, Kyle, Amante, Joseph, Schlosser, Charlies, Tang, Xu, and Gilliland, Ellen. Mon . "Determining Coalbed Methane Production and Composition from Individual Stacked Coal Seams in a Multi-Zone Completed Gas Well". United States. doi:10.3390/en10101533. https://www.osti.gov/servlets/purl/1509860.
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@article{osti_1509860,
title = {Determining Coalbed Methane Production and Composition from Individual Stacked Coal Seams in a Multi-Zone Completed Gas Well},
author = {Ripepi, Nino and Louk, Kyle and Amante, Joseph and Schlosser, Charlies and Tang, Xu and Gilliland, Ellen},
abstractNote = {This work proposes a novel and cost-effective approach to determine coalbed methane (CBM) production and composition from individual coal seams in a multi-zone completed CBM well. The novel method uses water to cover individual coal seams in a low pressure CBM well followed by an Echometer fluid level survey to determine the water level. Corresponding gas flow measurements and natural gas chromatography analysis are used to determine gas production and composition from unique zones. A field test using this technology is conducted in Central Appalachia for a multi-zone CBM well containing 18 coal seams. Test results show that the shallow coal seams contribute the majority of the total CBM production in this multi-zone well, and the deeper coal seams contain more heavy hydrocarbons like ethane and propane.},
doi = {10.3390/en10101533},
journal = {Energies (Basel)},
number = [10],
volume = [10],
place = {United States},
year = {2017},
month = {10}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI:  10.3390/en10101533
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Citation Metrics:
Cited by: 4 works
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Figures / Tables:

Figure 1 Figure 1: Simplified procedures for determining gas production and composition of each coal seam (groups A, B and C) from a multi-seam coalbed methane (CBM) well.
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Works referenced in this record:

Monitoring CO2 storage and enhanced gas recovery in unconventional shale reservoirs: Results from the Morgan County, Tennessee injection test
journal, September 2017

Flow-Testing Coalbed Methane Production Wells in the Presence of Water and Gas
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Selection of monitoring techniques for a carbon storage and enhanced coalbed methane recovery pilot test in the Central Appalachian Basin
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Seal evaluation and confinement screening criteria for beneficial carbon dioxide storage with enhanced coal bed methane recovery in the Pocahontas Basin, Virginia
journal, February 2012

  • Grimm, Ryan P.; Eriksson, Kenneth A.; Ripepi, Nino
  • International Journal of Coal Geology, Vol. 90-91
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Production characteristics and reservoir analysis of coalbed methane reservoirs
journal, December 1998

A preliminary assessment of in place coalbed methane resources in the Virginia portion of the central Appalachian Basin
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    Figure 2(p. 4)figure
    Figure 3(p. 5)figure
    Figure 4(p. 5)figure
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