By Chris Colclasure
On July 28, 2011, the EPA proposed additional regulations of air emissions from upstream and midstream oil and gas operations. The rule would limit methane and VOC emissions from hydraulic fracturing. It would also tighten the existing New Source Performance Standards ("NSPS") and Maximum Achievable Control Technology ("MACT") standards for natural gas processing plants, compressor stations, transmission and storage facilities. EPA estimates that compliance with the new requirements will cost $754 million nationwide in 2015, but EPA believes the rules will net a $29 million savings through the recovery of natural gas and condensate that is currently vented or flared.
The most high profile aspect of the proposed rules would require the use of green completions, also called reduced emissions completions, when natural gas wells (but not oil wells) are hydraulically fractured or re-fractured. Green completions capture VOCs and hydrocarbons from frack fluid flowback. The rule would also require the use of low bleed or non-gas-driven pneumatic controllers, and would place new requirements on glycol dehydrators, storage vessels and gas plants.
Interested parties may comment on the rule until October 24, 2011. EPA will hold hearings on the proposed rule on September 27-29, 2011, in Pittsburgh, Denver, and Arlington, Texas.