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Pinedale Online > News > October 2012 > Riley Ridge Project update Nov. 5
Riley Ridge Project update Nov. 5
Public meeting in Marbleton
by Pinedale Online!
Original post October 15, 2012 | Updated October 19, 2012

Editor's Note, 10/19/12: The location for this meeting has been changed to the Big Piney Fine Arts building to allow for more seating.

Denbury Resources invites the public to an update on their Riley Ridge Project on Monday, November 5th at the BIG PINEY FINE ARTS BUILDING (formerly announced as at the Big Piney-Marbleton Fire Hall in Marbleton) at 6:30PM. Representatives from Denbury will be on hand to provide an update on the project and address any questions the public may have.

Riley Ridge is located in the Wyoming Range in southwestern Wyoming. Riley Ridge has been producing natural gas since the mid-1980s. Denbury began acquiring operating interest in 2010. The leases were formerly held by Cimarex.

The gas composition from Riley Ridge is approximately 65% CO2 (carbon dioxide), 19% natural gas, 5% hydrogen sulfide, 0.6% helium, and the remainder other gases. The company’s interest in Riley Ridge and minor surrounding acreage contains natural gas and CO2 reserves. They also have leases with the U.S. government to produce and sell helium gas.

The gas plant under construction at Riley Ridge will separate the natural gas and helium from the full well stream and the remaining gases, including CO2 will initially be reinjected into the producing formation until a planned CO2 capture facility and pipeline can be built. They have initiated the engineering and design of the CO2 capture facility, which is estimated to initially capture up to 130 MMcf/d of CO2. They estimate 2012 capital costs for Riley Ridge to approximate $70 million in order to complete the initial phase of the facilities, drill one producer well and one injector well, build flow lines, and conduct engineering studies on CO2 capture and separation.

Further information and a fact sheet on the project are available online at

Pinedale Online > News > October 2012 > Riley Ridge Project update Nov. 5

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