Sweet Grass County, Montana Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Sweet Grass County contains 81 wells on file, with top operators including Grant Oil Co. and West Gas Inc.
Wells in Sweet Grass span several oil & gas fields including Wildcat Sweet Grass and Sixshooter Dome.
Most recent well on record: Sweet Pea 31-33, operated by Noble Energy, Inc. — last updated February 2011.
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 2 Williston
Drilling for
- 2 Oil
Sweet Grass 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.
81 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Sweet Grass County by total wells
Operators: Grant Oil Co., West Gas Inc, Quicksilver Resources, Inc., Montana Energy Company, Llc, Montana Power Company, Sun Exploration And Production Co, Mountain States Resources Inc, Mountain Pacific General Inc., Houston Exploration Company, The, Concept Resources, Inc..
Top Oil & Gas Fields intersecting Sweet Grass County
Fields: Wildcat Sweet Grass, Sixshooter Dome, Reed Point.
Top Counties in Montana most active by total wells
Compare Sweet Grass against the other busiest counties in Montana:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| Sweet Pea 31-33 | 2011-02-14 | Noble Energy, Inc. | 25097210690000 | |
| Stimpson 15-13B | 2010-01-08 | Montana Energy Company, LLC | 25097210630000 | |
| Cremer 2-24 | 2008-12-18 | Cremer Energy Inc. | 25097210640000 | |
| Deer Creek 11-13 | 2005-01-10 | Houston Exploration Company, The | 25097210620000 | |
| Deer Creek 7-6 | 2004-12-04 | Houston Exploration Company, The | 25097210610000 | |
| Terland 23-36 | 2002-07-31 | Klabzuba Oil & Gas, Inc. | 25097210550000 | |
| American Fork C2-6X | 2002-07-29 | Bluestone Natural Resources II, LLC | 25097210590000 | |
| American Fork C2-6 | 2002-07-03 | Quicksilver Resources, Inc. | 25097210580000 | |
| American Fork 23-6 | 2002-05-17 | Quicksilver Resources, Inc. | 25097210540000 | |
| Mayo A1-23 | 2001-04-11 | Quicksilver Resources, Inc. | 25097210560000 |
Surface Ownership Records:
