Diamond Oil Co. Wells and Activity Summary
Back to Montana Well Records
Total wells
14
Diamond Oil Co.
Most recent drilling
Sep 1947
~78 years ago
First on record
1925
records span 22 years
Activity status
Historic
no recent drilling
Industry news recent coverage mentioning Diamond Oil Co.
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Apr 16, 2026Higher 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 →
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Apr 15, 2026In 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 →
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Apr 15, 2026The 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 →
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Apr 11, 2026Western 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 →
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Mar 23, 2026Energy 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 →
Diamond Oil Co. has 14 wells on file in Montana.
Active in Toole.
Most recent well: M.MCCORMICK 19 (Toole county) — last updated September 1947.
Diamond Oil Co. county coverage
Counties where Diamond Oil Co. has wells. Click any county for its local activity.
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Recent wells
| Well Name | County | Last activity | Updates | API |
|---|---|---|---|---|
| M.MCCORMICK 19 | Toole | 1947-09-23 | 25101108630000 | |
| M.MCCORMICK 20 | Toole | 1935-06-10 | 25101108640000 | |
| M.MCCORMICK 16X | Toole | 1930-09-04 | 25101108620000 | |
| M.MCCORMICK 16 | Toole | 1930-08-17 | 25101108610000 | |
| M.MCCORMICK 14 | Toole | 1930-06-30 | 25101108600000 | |
| M.MCCORMICK 13 | Toole | 1928-11-23 | 25101108590000 | |
| M.MCCORMICK 12 | Toole | 1928-05-21 | 25101108580000 | |
| M.MCCORMICK 11 | Toole | 1927-04-20 | 25101108570000 | |
| Minnie McCormick 10 | Toole | 1927-03-20 | 25101107730000 | |
| M.MCCORMICK 9 | Toole | 1927-02-06 | 25101108560000 |