Drilling and completion technologies of coalbed methane exploitation: an overview

Coalbed methane (CBM) drilling and completion technologies (DCTs) are significant basis for achieving efficient CBM exploration and exploitation. Characteristics of CBM reservoirs vary in different regions around the world, thereby, it is crucial to develop, select and apply the optimum DCTs for eac...

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Veröffentlicht in:International journal of coal science & technology Jg. 9; H. 1; S. 68 - 31
Hauptverfasser: Ma, Tianshou, Liu, Jinhua, Fu, Jianhong, Wu, Bisheng
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Singapore Springer Nature Singapore 01.12.2022
Springer
Springer Nature B.V
SpringerOpen
Schlagworte:
CBM
Coalbed methane
Completion
Drilling
Drilling and boring
Drilling equipment
Drilling fluids
Energy
Exploitation
Fossil Fuels (incl. Carbon Capture)
Geotechnical Engineering & Applied Earth Sciences
Horizontal well
Methane
Mineral Resources
Reservoirs
Review
Rising Star of IJCST in 2022
Canada
Australia
Uruguay
Texas
China
Pennsylvania
Drilling
Completion
Horizontal well
Multilateral well
L/U/V-shaped well
Coalbed methane
CBM
Exploitation
ISSN:2095-8293, 2198-7823
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Zusammenfassung:Coalbed methane (CBM) drilling and completion technologies (DCTs) are significant basis for achieving efficient CBM exploration and exploitation. Characteristics of CBM reservoirs vary in different regions around the world, thereby, it is crucial to develop, select and apply the optimum DCTs for each different CBM reservoir. This paper firstly reviews the development history of CBM DCTs throughout worldwide and clarifies its overall development tendency. Secondly, different well types and its characteristics of CBM exploitation are summarized, and main application scopes of these well types are also discussed. Then, the key technologies of CBM drilling (directional drilling tools, measurement while drilling, geo-steering drilling, magnetic guidance drilling, underbalanced drilling and drilling fluids), and the key technologies of CBM completion (open-hole, cavity and under-ream completion, cased-hole completion, screen pipe completion and horizontal well completion) are summarized and analyzed, it is found that safe, economic and efficient development of CBM is inseparable from the support of advanced technologies. Finally, based on the current status of CBM development, the achievements, existing challenges and future prospects are summarized and discussed from the perspective of CBM DCTs.
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ISSN:2095-8293
2198-7823
DOI:10.1007/s40789-022-00540-x