Valley County, MT oil and gas wells

Name: Valley County, MT oil and gas wells
Creator: Montana Board of Oil and Gas Conservation

640 wells: 171 active, 413 plugged, run by 150 operators.

Figures from the Montana Board of Oil and Gas Conservation, updated 2026-10-19.

Top operators in Valley

Operator	Active	Wells here
Ridge Oil & Gas, LLC	130	139
A&S Mineral Development Company, LLC	31	48
Chelin LLC	4	4
DL Energy, LLC	2	2
Texakoma Exploration & Production LLC	1	3
Carroll, Sterling C.	1	1
Larslan Water Disposal	1	1
Lustre Salt Water Disp, Vernon R. Justice Dba	1	1
Exxon Corporation	0	41
Fidelity Exploration & Production Co.	0	38
Midlands Gas Corp.	0	18
Continental Resources Inc	0	14
Petroleum Corporation Of America	0	14
Atlantic Richfield Company	0	13
Seaboard Oil	0	12
Oryx Energy Company	0	11
Sohio Petroleum Company	0	10
Webb Resources, Inc.	0	10
Anadarko Petroleum Corporation	0	9
Falcon Oil & Gas Company, Inc.	0	9
Fidelity Gas	0	9
Hell Creek Crude LLC	0	7
Amerada Hess Corporation	0	6
Ladd Petroleum Corporation	0	6
Coastal Petroleum Company	0	5

Not plugged · All wells · Plugged · Orphaned

Well	API / ID	Status	Type	Operator
Swanson 709	25-105-06274	Active	Gas	Ridge Oil & Gas, LLC
Texakoma Lustre 2-36	25-105-21585	Active	Oil	Texakoma Exploration & Production LLC
Texakoma Lustre 3-34	25-105-21586	Shut in	Oil	Texakoma Exploration & Production LLC
Texakoma Lustre 5-35	25-105-21588	Shut in	Oil	Texakoma Exploration & Production LLC
Tieszen 1	25-105-21239	Active	Oil	A&S Mineral Development Company, LLC
Tieszen-Toews 1	25-105-21218	Active	Oil	A&S Mineral Development Company, LLC
Tieszen-Toews 2	25-105-21257	Active	Oil	A&S Mineral Development Company, LLC
Tieszen-Toews 3	25-105-21272	Active	Oil	A&S Mineral Development Company, LLC
Wilder Clark 1	25-105-21383	Active	Oil	A&S Mineral Development Company, LLC
William Clark A-3	25-105-21323	Active	Oil	A&S Mineral Development Company, LLC
Woods 3514-1	25-105-21085	Active	Gas	Ridge Oil & Gas, LLC