MAPCO OIL COMPANY Wells and Activity Summary
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Most recent drilling
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Industry news recent coverage mentioning MAPCO OIL COMPANY
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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 →
MAPCO OIL COMPANY has 6 wells on file in Wyoming.
Active in 4 counties — concentrated in Fremont, Big Horn, and Hot Springs.
Most recent well: MANDERSON #4 in the MANDERSON field (Big Horn county) — last updated May 1981.
MAPCO OIL COMPANY county coverage
Counties where MAPCO OIL COMPANY has wells. Click any county for its local activity.
Recent wells
| Well Name | County | Last activity | Updates | API |
|---|---|---|---|---|
| MANDERSON #4 | Big Horn | 1981-05-06 | 320591 | |
| 1-11 | Fremont | 1979-09-13 | 1320842 | |
| 1-9 | Fremont | 1978-10-11 | 1320820 | |
| 1-36 | Hot Springs | 1977-02-28 | 1720252 | |
| 1-19 | Sweetwater | 1975-11-27 | 3720502 | |
| MANDERSON #3 | Big Horn | 1968-09-08 | 320084 |
Top Oil & Gas Fields worked by MAPCO OIL COMPANY by total wells
Fields: Boysen, Manderson, Twin Buttes, Wc.