Carter County, Montana Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Carter County contains 457 wells on file, with top operators including Placid Oil Company and Tiger Oil Company.
Wells in Carter span several oil & gas fields including Hammond and Wildcat Carter.
Most recent well on record: STRAT A-13, operated by Amerada Hess Corporation — last updated March 2026.
County FIPS Code: 30011
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 2 Williston
Drilling for
- 2 Oil
Carter County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
457 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Carter County by total wells
Operators: Placid Oil Company, Tiger Oil Company, Amerada Hess Corporation, Remuda Energy Development, Llc, Mule Creek Oil, True Oil Llc, Sogc, Inc., Denbury Onshore, Llc, Gulf Oil Corporation, Davis Oil Company.
Top Oil & Gas Fields intersecting Carter County
Fields: Hammond, Wildcat Carter, Bell Creek, Repeat.
Top Counties in Montana most active by total wells
Compare Carter against the other busiest counties in Montana:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| STRAT A-13 | 2026-03-18 | Amerada Hess Corporation | 25011061620000 | |
| STRAT TEST B-9 | 2026-03-18 | Amerada Hess Corporation | 25011061550000 | |
| STRAT A-6 | 2026-03-18 | Amerada Hess Corporation | 25011061570000 | |
| STRAT TEST B-1A | 2026-03-18 | Amerada Hess Corporation | 25011061540000 | |
| STRAT A-14 | 2026-03-18 | Amerada Hess Corporation | 25011061630000 | |
| STRAT A-12 | 2026-03-18 | Amerada Hess Corporation | 25011061640000 | |
| STRAT A-8 | 2026-03-18 | Amerada Hess Corporation | 25011061610000 | |
| STRAT 46(A-9) | 2026-03-18 | Amerada Hess Corporation | 25011061600000 | |
| STRAT B-10 | 2026-03-18 | Amerada Hess Corporation | 25011061560000 | |
| STRAT 2-A | 2026-03-18 | Amerada Hess Corporation | 25011061580000 |
Surface Ownership Records: