Variability of distributions of well-scale estimated ultimate recovery for continuous (unconventional) oil and gas resources in the United States

Open-File Report 2012-1118
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Abstract

Since 2000, the U.S. Geological Survey has completed assessments of continuous (unconventional) resources in the United States based on geologic studies and analysis of well-production data. This publication uses those 132 continuous oil and gas assessments to show the variability of well productivity within and among the 132 areas. The production from the most productive wells in an area commonly is more than 100 times larger than that from the poorest productive wells. The 132 assessment units were classified into four categories: shale gas, coalbed gas, tight gas, and continuous oil. For each category, the mean well productivity in the most productive assessment units is considerably greater than that of the least productive assessment units.

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Variability of distributions of well-scale estimated ultimate recovery for continuous (unconventional) oil and gas resources in the United States
Series title Open-File Report
Series number 2012-1118
DOI 10.3133/ofr20121118
Year Published 2012
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Central Energy Resources Science Center
Description iii, 12 p.; Appendix
First page i
Last page 18
Country United States
Online Only (Y/N) Y
Additional Online Files (Y/N) N
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