Southern Union Production

Operator of record for 34 catalogued wells across 7 states. Every well below links to its full registry page.

Filed as: SOUTHERN UNION PRODUCTION · SOUTHERN UNION PRODUCTION CO · SOUTHERN UNION PRODUCTION CO. · Southern Union Production · …

At a glance

Southern Union Production is the operator of record for 34 catalogued U.S. oil & gas wells in 7 states. None is listed as active, 31 (91%) are plugged & abandoned. Its largest concentration is in North Dakota, with 11 wells (32% of its portfolio).

Wells operated

Active

Plugged

Orphaned

Portfolio by state

State	Wells
North Dakota	11
Montana	9
Colorado	5
Wyoming	4
New Mexico	2
Utah	2
California	1

Well mix

Oil wells: 16
Gas wells: 2
Shut-in: 0
Active share: 0%

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Where does Southern Union Production operate?

Southern Union Production's catalogued wells are spread across 7 states: North Dakota (11), Montana (9), Colorado (5), Wyoming (4) and New Mexico (2) and 2 more. Its 11 North Dakota wells are 0.0% of the 43,680 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.

How many of Southern Union Production’s wells are active, plugged or orphaned?

0% of Southern Union Production's catalogued wells are active, 29 percentage points below the national share of 29%. 91% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Southern Union Production operate?

By product class, 16 (47%) are oil wells and 2 (6%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is C. Hunter 1 in Richland, MT at 13,272 ft. The wells listed below sit in Richland (MT), Lincoln (WY), Billings (ND), Sheridan (MT), Mckenzie (ND) and Divide (ND) and other counties. State filings spell the name 6 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.

Notable wells operated by Southern Union Production

Wells operated by Southern Union Production
Well	API # / state ID	Status	Type	Location	Operator	Depth
C. Hunter 1	25-083-05086	Plugged & abandoned	Oil	Richland, MT	Southern Union Production Co.	13,272 ft
Sheep Creek-Fed 1	49-023-20158	Plugged & abandoned	Oil	Lincoln, WY	Southern Union Production	11,390 ft
Burlington Northern 1-27	33-007-00178	Plugged & abandoned	Oil	Billings, ND	Southern Union Production Co.	11,110 ft
Fort Peck 1	25-091-21152	Plugged & abandoned	Other type	Sheridan, MT	Southern Union Production Co.	11,023 ft
State Of North Dakota 1	33-007-00201	Plugged & abandoned	Oil	Billings, ND	Southern Union Production Co.	10,004 ft
Signalness 1	33-053-00668	Plugged & abandoned	Oil	Mckenzie, ND	Southern Union Production Co.	9,700 ft
Shapiro 1-7	33-007-00183	Plugged & abandoned	Oil	Billings, ND	Southern Union Production Co.	9,600 ft
U.S. F-19-140-102 1	33-007-00204	Plugged & abandoned	Oil	Billings, ND	Southern Union Production Co.	9,085 ft
Patrick Redmond 1	33-007-00191	Plugged & abandoned	Oil	Billings, ND	Southern Union Production Co.	8,460 ft
F-26-141-100 1	33-007-00184	Plugged & abandoned	Oil	Billings, ND	Southern Union Production Co.	8,255 ft
Thvedt 1	33-023-00141	Plugged & abandoned	Oil	Divide, ND	Southern Union Production Co.	8,254 ft
Zieman 1	33-061-00196	Plugged & abandoned	Oil	Mountrail, ND	Southern Union Production Co.	7,960 ft

Deepest first where depth is published. See all 34 wells →

Frequently asked questions

How many wells does Southern Union Production operate?

Southern Union Production is the operator of record for 34 catalogued oil & gas wells, with the largest concentration in North Dakota (11). Only wells in states WellCensus has ingested are counted.

How many of Southern Union Production's wells are still active?

0 of Southern Union Production's catalogued wells are active; 31 are plugged & abandoned.

In which states does Southern Union Production operate wells?

Southern Union Production is the operator of record for wells in North Dakota (11), Montana (9), Colorado (5), Wyoming (4), New Mexico (2), Utah (2) and California (1).

Does Southern Union Production operate mostly oil or gas wells?

16 of Southern Union Production's catalogued wells are oil wells and 2 are gas wells; the rest are injection, service or unclassified wells.

What is Southern Union Production's deepest well?

Among wells with a published depth, C. Hunter 1 in Richland, MT is the deepest at 13,272 ft.

Where Southern Union Production's wells are

About this data

Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “Southern Union Production — well portfolio”, https://wellcensus.com/operators/southern-union-production-5258 (data as of October 10, 2026).

Dataset updated October 2026 . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).