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Journal of Porous Media
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ISSN Imprimer: 1091-028X
ISSN En ligne: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v18.i1.40
pages 43-56

MODELING THE NONLINEAR FLOW BEHAVIOR FOR HORIZONTAL WELL PRODUCTION IN AN UNDERGROUND POROUS-MEDIA FORMATION

Cong Lu
State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 0086.610500, Sichuan Province, People's Republic of China
Ren-Shi Nie
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University
Jianchun Guo
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
Dan-Ling Wang
State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 0086.610500, Sichuan Province, People's Republic of China

RÉSUMÉ

In this work, the nonlinear flow model for horizontal well production in an underground porous-media formation was firstly established and solved using Laplace transform. A series of standard log-log type curves of pressure transients for horizontal well production in different formations were plotted, such as infinite formation, closed formation, edge-water-driving formation and bottom-water-driving formation. Nonlinear flow behavior, including main flow regimes and dynamic response of pressure wave to different boundaries, were thoroughly analyzed using the plotted type curves. Qualitative and quantitative analyses were implemented to compare the solutions of the linear and nonlinear models. The results showed that the nonlinearity caused by the quadratic pressure gradient influenced the pressure transients positively and the nonlinear flow model will describe the transient flow behavior for horizontal well production in underground porous-media formations more accurately.


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