A Parametric Study of Horizontal and Multilateral Wells in Coalbed-Methane Reservoirs

The full-length paper attempts to identify the most appropriate drilling patterns for coalbed-methane (CBM) reservoirs of different thickness and with different characteristics. The comparison yardstick for this study is net present value (NPV). In this way, drilling cost is accounted for when comparing different horizontal and multilateral configurations. Dual-lateral, trilateral, quadlateral, and fishbone configurations were compared. Total horizontal well length as well as spacing between laterals (SBL) was studied.

Synopsis of SPE 96018

This article, written by Assistant Technology Editor Karen Bybee, contains highlights of paper SPE 96018, "A Parametric Study on the Benefits of Drilling Horizontal and Multilateral Wells in Coalbed-Methane Reservoirs," by N. Maricic, SPE, Chevron Corp., and S.D. Mohaghegh, SPE, and E. Artun, SPE, West Virginia U., prepared for the 2005 SPE Annual Technical Conference and Exhibition, Dallas, 9-12 October.

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