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

Ripepi, Nino; Louk, Kyle; Amante, Joseph; Schlosser, Charlies; Tang, Xu; Gilliland, Ellen

doi:10.3390/en10101533

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

Journal Article · Mon Oct 02 00:00:00 EDT 2017 · Energies (Basel)

DOI:https://doi.org/10.3390/en10101533· OSTI ID:1509860

Ripepi, Nino ^[1]; Louk, Kyle ^[2]; Amante, Joseph ^[2]; Schlosser, Charlies ^[2];

^[2]; Gilliland, Ellen ^[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
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Virginia Center for Coal and Energy Research Center

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.

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Research Organization:: Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)

Sponsoring Organization:: USDOE Office of Fossil Energy (FE)

Grant/Contract Number:: FE0006827

OSTI ID:: 1509860

Journal Information:: Energies (Basel), Vol. 10, Issue 10; ISSN 1996-1073

Publisher:: MDPI AGCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 16 works

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Swelling Pressure of Double-Expansive Material and Its Active Support Effect for Coal Seam Gas Drainage Borehole Wang, Zhiming; Sun, Yuning Advances in Materials Science and Engineering, Vol. 2018 https://doi.org/10.1155/2018/8245036	journal	August 2018