Guest “This hare just goes on and goes!” By David Middleton
June 2, 2025
Data source: USENGIE INFORATION, short -term energy outlook (Table 4a and Table 10b), May 2025 and Enverus
Note: L48 = US 48 countries
The onshore raw oil production in the lower 48 states of the United States (L48) has more than tripled since January 2010, which is due to the close growth of oil production in the Perm region. Onshore raw oil production consists of both Legacy Oil production, mainly made of vertically drilled wells and recent close oil production, mainly from horizontally drilled fountain.
Legacy Production Decreased from 2.6 million barrels per day (B/D) in 2010 to 2.1 million B/D in 2024. Over the same period, tight oil production Increased from 0.8 million B/D to 8.9 million for 81% of total onshore L48 Oil Production in 2024. Accounted for 65% of All Tight Oil Production Growth and 51% of L48 Oil Production in 2024.
Since 2010, US oil production has grown inside and outside the permers in general. The close oil production of non -Permic games decreased from 2015 to 2017 over a period of low oil prices. At the beginning of 2020, close oil production from the Perm region was essentially the close oil production from all other producing regions in the USA. Perm and non-Permian oil production fell significantly both in response to crude oil prices below $ 50 per barrel (B) in connection with the Covid 19 pandemic, with production achieved an annual low in May 2020. After 2020, however, the production in Permian increased with a faster rate as a production outside the permers.
Data source: US -ENGIE INFORATIONAGE, short -term energy outlook (Table 10b), May 2025 and Enverus
Note: WTI = West Texas Intermediate
Close oil production in Perm was increasing again in 2021 when crude oil prices rose, but production in the non-Permian remained low. After 2020, the Perm-Exe oil production grew slower than 2017-19, but Perm production reached 5.6 million b/d until December 2024, compared to 2020. In contrast, the non-permean tight oil production decreased by 14.9% (0.6 million b/d) based on the annual average oil volume from 2020 to 2024.
In the Permian region, the games from Wolfcamp, bones and jumping produce most of the narrow oil in 2024. The Wolfcamp game of the Wolfcamp game, the largest of the three, has the growth of Permia and produced 3.4 million B/D of dense oil. The combined Spraberry and the bone feather generated an average of 2.1 million b/d in 2024.
Data source: US -ENGIE INFORATIONAGE, short -term energy outlook (Table 10b), May 2025 and Enverus
Main post: Troy Cook
Tags: Crude oil, oil/oil, production/supply, Permian
We are here
From 2000 to 2024, the cumulative production from the Perm basin was 14 billion barrels of crude oil and almost 40 trillion cubic feet natural gas. In 2024, the pool made up about 2 billion barrels of oil and almost 7 trillion cubic feet natural gas production.
Permian Basin Oil & Gas Production and Gas/Oil Ratio (GOR) (2000-2024)
Cue Forrest Gump …
https://www.youtube.com/watch?v=otm4Russesnu
Well … maybe not …
Let's take a look at the Wolfcamp formation
At 3.4 million barrels per day, the Wolfcamp formation of the PERM basin is far the largest contribution to US oil production.
The Wolfcamp formation was first identified over 100 years ago in the notes in the Wolf Camp Hills south of the Glass Mountains north of Marathon, Texas.
Hundred -year -old of the Wolfcamp formation
April 2017 Richard Bain
This year, a hundred years of celebration for oil geologists marks more than one respect. A few months after AAPG was founded in early 1917, the first description of the Wolfcamp formation in the University of Texas Bulletin No. 1753 entitled “Notes on the Geology of the Glass Mountains” by JA UDDEN on September 20, 1917 was published.
Johan August Udden described a number of information in the Wolf Camp Hills, which are located at the southern end of the Glass Mountains, about 12 miles northeast of the city of Marathon in Brewster County, Texas.
[…]
AAPG Explorer
The Wolfcamp formation is available in all three tectonic provinces of Permec basin.
- Delaware basin
- Central Basin platform
- Midland Basin
Major Tectonic features of Permian basin, click to enlarge. (Eia)
The Wolf Camp is the lowest and oldest Perm series/formation in the Perm basin.
The organically rich “slate” was stored in a half-closed “epicontinental” sea about 290 million years ago.
Regional stratigraphy and lithology of the Wolfcamp formation
The Wolfcamp formation, which was deposited during the late Pennsylvanian until the late Wolf Campian period, is distributed over the entire Perm basin. The Wolfcamp formation is a complex unit that mainly consists of organically rich slate and lime carbonate intervals near the pelvic edges. Depth, thickness and lithology vary significantly in the pelvis. Disposal and diagentical processes control this educational heterogeneity. The Wolfcamp is a stacked game with four intervals, which are called topdown as A, B, C and D benches (gas industry, 2017). The porosity of the Wolfcamp formation varies between 2.0% and 12.0% and an average of 6.0%; However, the average permeability is only 10 millidarcies3, which requires multi -stage hydraulic fracture.
RRP
During most of the history of Permeck, the organically rich Wolfcamp was one of the main source rocks for conventional oil and gas reservoirs in the pool. Due to its low permeability, the Wolfcamp was not regarded as a sustainable reservoir for reservoir.
The advent of the horizontal holes in connection with multi -stage hydraulic fracking since 2010 quickly led to the wolf bearing becoming a dominating oil reservoir in the USA. In 2016, the USGS estimated a technically restored resource of “20 billion barrel oil, 16 trillion cubic feet with associated natural gas and 1.6 billion barrels natural gas fluids” alone in the Midland basin. Since the USGS evaluation, the Permian basin has resulted in 11.6 billion barrels of oil and 33.9 trillion cubic feet natural gas, with the lion's share coming from the Wolf camp … and production is still increasing.
For further reading
Permian Basin Wolfcamp Shale Play Geology Review (EIA October 2018)
Permian Basin Part 1 Wolfcamp, Bone Spring, Delaware Shale Pieces of the Delaware Basin Geology Review (EIA 2020)
Addendum
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