As of March 2012, nearly 12,000 well permits had been issued in Pennsylvania, where the majority of Marcellus shale development is concentrated. More than 80% of these permits were horizontal. In West Virginia, natural gas drillers have completed nearly 1,600 Marcellus wells since 2006, with another 1,273 wells still in development.
Part 2. This article is the second in a four-part series based on a U.S. Department of Energy study reviewing 40 years of CO2-EOR research. In this installment, lab-scale CO2-in-brine foam studies to reduce CO2 mobility are examined.
As Australia accelerates its drive to become the world’s premier liquefied natural gas (LNG) exporter—sooner rather than later—oil (what there is of it) continues to reside on the nation’s energy backburner.
To enhance the local content share of infrastructure investments, as well as to accelerate the pre-salt development, the consortia for BM-S-09 and BM-S-11 decided to design and build eight similar FPSOs, known as “replicant FPSOs.” The first of these vessels will begin production in 2015.