US tight oil legacy decline can be estimated by assuming no future tight oil completions in the various US tight oil basins. The charts below illustrate such an estimate for the Permian, North Dakota Bakken/Three Forks, Eagle Ford, Niobrara, and other tight oil basins (not included in the previous 4 tight oil basins).
Permian legacy decline is 3405 minus 3142 or 263 kb/d. Read More
North Dakota publishes Historical Oil Production by County. However confidential wells are not included in these totals. But they also publish a State Summary Report which does include confidential well data for the previous two months. Working with both we can get a pretty good estimate of production from each county.
McKenzie had a 12,533 bp/d gain in March but they are still 32,447 below their December high.