Analysis on Configuration of Multi-Lateral Well for Coalbed Methane

doi:10.3863/j.issn.1674 – 5086.2011.04.018

西南石油大学学报(自然科学版) ›› 2011, Vol. 33 ›› Issue (4): 101-106.DOI: 10.3863/j.issn.1674 – 5086.2011.04.018

• 石油与天然气工程 • Previous Articles Next Articles

Analysis on Configuration of Multi-Lateral Well for Coalbed Methane

ZHANG Hui1， YU Yang2， GAO De-li1， ZHENG Jiang-li3

1. MOE Key Lab of Petroleum Engineering， China University of Petroleum （ Beijing ）， Changping， Beijing 102249， China；2. Research Institute of Engineering， Northwest Oilfield Branch， SINOPEC， Urumchi， Xinjiang 830011， China； 3. SupervisionCenter of Engineering， Northwest Oilfield Branch， SINOPEC， Luntai， Xinjiang 941600， Chian

Received:1900-01-01 Revised:1900-01-01 Online:2011-08-20 Published:2011-08-20

Abstract

Abstract: The third phase of coal-bed gas exploitation lasts long time， so stable seepage laws of this phase should
be studied. Pseudo pressure function is adopted to resolve this problem by J. P. Seidle. The pressure distribution
equations in the formation of multi-lateral well for coalbed methane are constructed on the basis of pressure super-
position and mirror image reflection theory. Pressure drop influence on the deliverability is considered. By coupling
wellbore flow and reservoir stable seepage flow， the deliverability calculation model and its solution method for
multi-lateral well are established. Rules of influence on deliverability of multi-lateral well for coalbed methane is
analyzed.

Key words: coalbed methane, multi-lateral well, steady seepage, coupling model, configuration of laterals20

CLC Number:

TE312

ZHANG Hui;YU Yang;GAO De-li;ZHENG Jiang-li. Analysis on Configuration of Multi-Lateral Well for Coalbed Methane[J]. 西南石油大学学报(自然科学版), 2011, 33(4): 101-106.

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Analysis on Configuration of Multi-Lateral Well for Coalbed Methane

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