U.S. DEPARTMENT OF THE INTERIOR  BUREAU OF LAND MANAGEMENT  
ePlanning DOI-BLM-WY-D040-2014-0001-EIS (Riley Ridge to Natrona Project (RRNP))  
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12/10/2018 14:26:40 MST
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FINAL ENVIRONMENTAL IMPACT STATEMENT
 Riley Ridge to Natrona Pipeline Project
Notice of Availability of the Final Environmental Impact Statement
 


 
The Bureau of Land Management Rock Springs Field Office has prepared a Final Environmental Impact Statement for Riley Ridge to Natrona Pipeline Project, and by this notice announces a 30-day avaliability period before making any final decisions.  For more information, please contact Mark Mackiewicz at 435-636-3616; address 280 Highway 191 North, Rock Springs, Wyoming 82901; email BLM_WY_RRNP@blm.gov.
 
 
 
 
Project Summary
The project consists of a 243-mile pipeline through Fremont, Sublette, Sweetwater and Natrona counties. The pipeline project was applied for under two separate ROW applications:  the Riley Ridge Carbon Dioxide (CO2) Pipeline and the Bairoil-to-Natrona CO2 Pipeline. The Riley Ridge segment would include 31 miles of 16-inch pipeline transporting non-gaseous hydrogen sulfide (H2S) and CO2 from the existing Riley Ridge Treating Plant 18 miles southwest of Big Piney to a proposed sweetening plant 12 miles northeast of LaBarge.  At the proposed sweetening plant, H2S would be separated from the H2S and CO2 stream and injected into a deep geological formation via two proposed H2S injection wells. From the sweetening plant, a 24-inch pipeline would transport the remaining CO2 129 miles through Sublette and Sweetwater counties to the Bairoil (Exxon) Interconnect 50 miles northwest of Rawlins. The Bairoil-to-Natrona segment would include 83 miles of 24-inch pipeline transporting CO2 from the Bairoil Interconnect through Fremont and Natrona counties to the existing Greencore Pipeline where the project ends at the Natrona Hub 30 miles west of Casper. The CO2 would eventually be used for enhanced oil recovery in the Bell Creek Unit oil field in southeastern Montana.