Method for completing a well in a coal formation

Details Method for completing a well in a coal formation Method for completing a well in a coal formation

1997-01-22

1998-12-29

Bagnell, David J.

Mining or in situ disintegration of hard material

Processes

Explosive

166299, 299 16, F21B 43263, F21C 3714

Patent

active

058532242

ABSTRACT:
A method for completing a well penetrating a solid carbonaceous subterranean formation by positioning a perforating gun in an uncased portion of a wellbore penetrating the solid carbonaceous subterranean formation; perforating the coal formation; and, producing fluids and particulate coal from the coal formation through the well to form a cavity in the coal formation surrounding the well.

REFERENCES:
patent: 2307729 (1943-01-01), Foster
patent: 2616370 (1952-11-01), Foster
patent: 2837027 (1958-06-01), Martin
patent: 2867172 (1959-01-01), Hradel
patent: 2988143 (1961-06-01), Scotty
patent: 5014788 (1991-05-01), Puri et al.
patent: 5417286 (1995-05-01), Palmer et al.
SPE 24906 "Openhole Cavity Completions in Coalbed Methane Wells in the San Juan Basin" I.D. Palmer, M.J. Mavor, J.P. Seidle, J.L. Spitler and R.F. Volz.
"The Technical Review-Perforating", vol. 34, No. 2 Jul. 1986.
"An Introduction to Perforating", C.M. Hightower, P.E., ARCO Exploration and Production Technology.

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