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GRAYSON MILL OPERATING LLC Wells and Activity Summary

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Total wells

1,223
GRAYSON MILL OPERATING LLC

Most recent drilling

Aug 1984
~41 years ago

First on record

1981
records span 3 years

Activity status

Historic
no recent drilling
News & deals Company family Coverage map Recent wells Counties Fields

Recent M&A activity 3 deals on file involving Grayson Mill Energy

Announced Type Headline Value
Jul 2024 Asset Devon To Acquired PE-Backed Grayson Mill For $5 Billion
307,000 net acres
$5.0B
Apr 2023 Asset Grayson Mill Adds More Bakken, Acquires Ovintiv's Assets For $825 Million
46,000 net acres
$825M
Feb 2021 Property Equinor Sells Bakken Assets to PE-Backed Firm for $900MM
242,000 net acres
$900M

Industry news recent coverage mentioning Grayson Mill Energy

  • Why $90 Oil Isn’t Bringing Back the Rigs
    Apr 16, 2026
    Higher oil prices are not translating cleanly into a drilling response across U.S. shale, and company disclosures are starting to show why. The issue is not simply capital discipline. It is structural. A meaningful… Read full article on ShaleExperts →
  • These Three Companies Will Increase Drilling & Completion Over The Next 3 Year
    Apr 15, 2026
    In the span of fifteen months, three Japanese energy companies committed more than $10.3 billion to U.S. natural gas production assets — a buying spree that has transferred roughly 27% of Haynesville Shale output… Read full article on ShaleExperts →
  • Q1 A&D Transactions Jump to $30B , While Deal Flow Was Down 40%
    Apr 15, 2026
    The first quarter of 2026 has officially defined the "Barbell Era" of American oil and gas. While the total number of deals plummeted by 46% YoY (dropping to just 7 major transactions), the total deal value skyrocketed… Read full article on ShaleExperts →
  • Western Canada Upstream M&A: Q1 2026 Transaction Report
    Apr 11, 2026
    Western Canadian M&A activity in Q1 2026 was characterized by a 87% decrease in total deal value compared to Q1 2025, totaling $0.8 billion C$ . However, transaction volume remained resilient with a 150% increase in… Read full article on ShaleExperts →
  • Wright to U.S. Oil Industry: The Price Signal Is Telling You to Drill
    Mar 23, 2026
    Energy Secretary Chris Wright stood in front of the largest gathering of oil executives in the world this morning and delivered a message that was equal parts market economics and wartime urgency: the price spike is… Read full article on ShaleExperts →

⚑ Same company across states: Grayson Mill Energy

HQ: Houston, Texas

Curated alternate names for Grayson Mill Energy (from ShaleExperts company records):

  • GRAYSON MILL OPERATING LLC, GRAYSON MILL OPERATING, LLC, GRAYSON MILL POWDER RIVER LLC

GRAYSON MILL OPERATING LLC has 1,223 wells on file in Wyoming.

Active in 3 counties — concentrated in Converse, Campbell, and Sweetwater.

Most recent well: 39-69-11-14-23 MA2H in the WC field (Converse county) — last updated March 2026.

GRAYSON MILL OPERATING LLC county coverage

Counties where GRAYSON MILL OPERATING LLC has wells. Click any county for its local activity.

Lincoln CountyFremont CountyUinta CountyBig Horn CountyHot Springs CountyWashakie CountyConverse — 1,077 wellsSweetwater — 2 wellsCrook CountyCarbon CountyCampbell — 144 wellsNatrona CountyLaramie CountyPlatte CountyWeston CountyAlbany CountyPark CountyJohnson CountySheridan CountyNiobrara CountyTeton CountySublette CountyGoshen County
< 22+144+144+1,077+

Recent wells

Well Name County Last activity Updates API
39-69-11-14-23 MA2H Converse 2026-03-18 946089
39-69-11-14-23 MC2H Converse 2026-03-18 946092
39-70-28 MB2AH Converse 2026-03-18 946086
39-69-11-14-23 NE2H Converse 2026-03-18 946088
39-69-11-14-23 MB2AH Converse 2026-03-18 946090
39-69-11-14-23 MB2BH Converse 2026-03-18 946091
39-70-28 NA2H Converse 2026-03-18 946084
39-70-28 MA2H Converse 2026-03-18 946085
39-69-11-14-23 NA2H Converse 2026-03-18 946087
39N-70W-27-34 NA2H Converse 2026-03-18 946093

Counties Worked by total wells in Wyoming

Converse1,077Campbell144Sweetwater2

Counties: Converse, Campbell, Sweetwater.

Top Oil & Gas Fields worked by GRAYSON MILL OPERATING LLC by total wells

WC1,221BRUFF1WILD HARE GULCH1

Fields: Wc, Bruff, Wild Hare Gulch.

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