I have just received my LA Forestry Assn. publication "Forests and People" magazine. It contains an opinion piece about coalbed methane production (CBM). According to the article there is quite a downside to this compared to HS wells as the spacing allowed can tie up much of the surface acreage, produce anywhere from 50 to 500 barrels of  saltwater and typical well production is 20,000-30,000 cubic ft. per day at depths of only 2500 to 3500 ft. Some say some is better than none, but this doesn't look like something I would want on my property, but since I'm leased, I may have no say so in the matter. The article goes on to say that smaller companies with less resources to work with my be the ones who pursue this. I wonder if these companies have the resources or the will to deal with environmental issues compared to the larger companies? There has already been 50,000 acres granted by the LA Commisioner of Conservation (must be some $$ involved somewhere!) for CBM production in Northeast LA allowing the operators to drill as many wells as they wish and as close together as they want. This could conceivably tie up as much as 40% of the surface area.

 

Anyone else heard about this? 

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I at one time bought some stock in a small CBM company which had several thousand acres under lease in SE Kansas. They had some success in their first few wells which was encouraging. they then put in a small gathering systen to tie into a nearby prosessing system. They then started to drill into several layered coal beds with angled holes which folled the dip of the beds. It was known that they would have to pump water from the beds to allow the gas to migrate to the well bore. The water was to go to disposal wells drilled to a depleted sand stone reservoir. The upshot was they could never pump enought water to allow paying quanaties of gas to be extracted. As often the case the devil is in the details.

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