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In the past two and a half months, U.S. crude oil production data has appeared in production After the attenuation slowed down significantly, it triggered many market speculations about the strong return of U.S. shale oil at the average price of US dollars/barrel at the end of the second quarter and the third quarter. Now these speculations have been officially confirmed.
According to the latest monthly drilling efficiency report by production area, the Permian Basin (B), the lowest cost among the four major shale oil basins in the United States, has experienced production growth for the first time, while the other three major shale oil basins are still experiencing production decline. . The figure below shows the statistics of U.S. Permian shale oil production from the Drilling Efficiency Monthly Report.
Officials believe that Permian shale oil production rose by 10,000 barrels per day in the latest month. It should be noted here that the increase of 10,000 barrels/day is based on the production of new wells of approximately 10,000 barrels/day and the production attenuation of old wells of approximately 10,000 barrels/day. Most of this 10,000 barrels per day of new well production is likely to come from the addition of new drilling rigs in the Permian. The following estimates are based on the mainstream shale oil well design scheme in the Permian Basin in the first half of the year. In layman's terms: feet of horizontal section length, while hydraulic fracturing uses a large sand volume design.
According to the drilling rig operating efficiency in the first half of the year and assuming that the drilling rig efficiency does not improve, the average utilization time of a shale oil well with a horizontal section of feet (approximately meters) will be approximately days. To simplify the process, the days are taken here. In other words, one drilling rig can complete approximately . So if we add more drilling rigs in the Permian Basin, we can theoretically complete about 10 wells.
How much oil can that well produce? Continuing with the Pioneer Oil example. The figure below is the shale oil production attenuation characteristic curve of Pioneer Petroleum Company's rr/c reservoir in the first half of the year. After converting the data, it is expressed in popular language: According to the technical level in the first half of the year and assuming the technical level Without upgrading, on a rough average, a horizontal shale oil well with a foot of shale oil can contribute approximately barrels per day of crude oil in the first month of production.
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