Note:
The Drilling Productivity Report uses recent data on the total number of drilling rigs in operation along with estimates of drilling productivity and estimated changes in production from existing oil and natural gas wells to provide estimated changes in oil and natural gas production for seven key regions.
EIA's approach does not distinguish between oil-directed rigs and gas-directed rigs because once a well is completed it may produce both oil and gas; more than half of the wells produce both.
While shale resources and production are found in many U.S. regions, at this time EIA is focusing on the seven most prolific areas, which are located in the Lower 48 states.
These seven regions accounted for 92% of domestic oil production growth and all domestic natural gas production growth during 2011-14.Of the seven, the Bakken is the only "almost" pure oil play. The Eagle Ford, with regard to oil comes next, but it also produces a significant amount of natural gas. The Permian produces both.
Interestingly, if you look at the regional map at the link, the EIA is not yet including the STACK/SCOOP in Oklahoma in their monthly productivity report.
By the way, for those interested, it is easy to go back and check EIA's predictions (at the link above) with the official monthly production provided by the NDIC. I have not done that and probably won't, but just noting that. However, just out of curiosity, April, 2016, production:
- official production per NDIC: 1,041,981 bopd
- EIA estimate released April 11, 2016: 1,047,000 bopd
- July, 2016: 998,000 bopd
- August, 2016: 966,000 bopd
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