CLARK RANCH Field Activity and Well Summary
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Total wells
Drill activity
The CLARK RANCH oil & gas field in Wyoming contains 17 wells on file.
Top operators: BLACK BEAR OIL CORPORATION, ATLANTIC RICHFIELD COMPANY, and others.
Most recent well: CLARK RANCH #5, operated by ATLANTIC RICHFIELD COMPANY — last updated March 2026.
CLARK RANCH field coverage
Counties the CLARK RANCH field intersects.
Recent wells
| Well Name | County | Last activity | Updates | Operator | API |
|---|---|---|---|---|---|
| CLARK RANCH #5 | Natrona | 2026-03-18 | ATLANTIC RICHFIELD COMPANY | 2510180 | |
| 2F | Natrona | 2003-02-17 | BLACK BEAR OIL CORPORATION | 2523024 | |
| 1-6 | Natrona | 1990-05-25 | WALLWAY M J | 2522397 | |
| CLARK RANCH #8 | Natrona | 1981-09-28 | HONDO OIL & GAS | 2521368 | |
| CLARK RANCH #1 | Natrona | 1969-09-20 | TESORO PETROLEUM CORPORATION | 2520292 | |
| CLARK RANCH #1 | Natrona | 1967-03-30 | STUARCO OIL COMPANY INC | 2520116 | |
| CLARK RANCH #7 | Natrona | 1965-03-18 | BLACK BEAR OIL CORPORATION | 2505991 | |
| CLARK RANCH #1 | Natrona | 1963-09-28 | SATURN OIL & GAS CO INC | 2505998 | |
| CLARK RANCH #1 | Natrona | 1962-10-24 | TRUE OIL LLC | 2505999 | |
| CLARK RANCH #1 | Natrona | 1957-11-19 | OWANAH OIL & DEVELOPMENT | 2509734 |
Top Operators in the CLARK RANCH field by total wells
Operators: Black Bear Oil Corporation, Atlantic Richfield Company, Houston Oil And Minerals, Owanah Oil & Development, Saturn Oil & Gas Co Inc, Stock Paul, Stuarco Oil Company Inc, Tesoro Petroleum Corporation, True Oil Llc, Wallway M J.
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Compare the CLARK RANCH field against the other busiest oil and gas fields in Wyoming:
- Wc · 76,411 wells
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- Crossbow · 1,471 wells
- Siberia Ridge · 1,453 wells
- Teapot Naval Reserve · 1,424 wells
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