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WellCensus

Mack Energy

Operator of record for 2,452 catalogued wells across 4 states. Every well below links to its full registry page.

Filed as: MACK ENERGY CO. · MACK ENERGY CORP · Mack Energy Co.

At a glance

Mack Energy is the operator of record for 2,452 catalogued U.S. oil & gas wells in 4 states. 989 (40%) are active, 916 (37%) plugged & abandoned and 5 flagged as orphaned. Its largest concentration is in New Mexico, with 1,216 wells (50% of its portfolio).

Wells operated

2,452

Active

989

Plugged

916

Orphaned

5

Portfolio by state

StateWells
New Mexico1,216
Oklahoma1,172
Kansas38
Louisiana26

Well mix

Oil wells
1,703
Gas wells
221
Shut-in
2
Active share
40%

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Where does Mack Energy operate?

Mack Energy's catalogued wells are spread across 4 states: New Mexico (1,216), Oklahoma (1,172), Kansas (38) and Louisiana (26). Its 1,216 New Mexico wells are 0.9% of the 141,088 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 Mack Energy’s wells are active, plugged or orphaned?

40% of Mack Energy's catalogued wells are active, 11 percentage points above the national share of 29%. 37% are plugged & abandoned, against 47% nationally. 2 wells (0.1%) are shut-in — unplugged but idle. 5 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.

What kinds of wells does Mack Energy operate?

By product class, 1,703 (69%) are oil wells and 221 (9%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Shugart 18 Queen Unit #003 in Eddy, NM at 99,999 ft. The wells listed below sit in Eddy (NM) and Lea (NM). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.

Notable wells operated by Mack Energy

Wells operated by Mack Energy
WellAPI # / state IDStatusTypeLocationOperatorDepth
Shugart 18 Queen Unit #00330-015-05579Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft
Federal Ty #00130-015-10408Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft
Shugart 18 Queen Unit #00230-015-05578Plugged & abandonedInjectionEddy, NMMack Energy Corp99,999 ft
Carper Federal #00230-015-04855Plugged & abandonedInjectionEddy, NMMack Energy Corp99,999 ft
Skelly State #00730-015-02747Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft
Federal Ty #00430-015-22557Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft
Red Lake Sand Unit #00330-015-01606Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft
Pegasus Federal #00130-015-25884Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft
State Bk #00430-015-05274Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft
Shugart 18 Queen Unit #00130-015-05577Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft
W H Peckham #00130-025-00890Plugged & abandonedOilLea, NMMack Energy Corp99,999 ft
State Bk #00630-015-05269Plugged & abandonedOilEddy, NMMack Energy Corp99,999 ft

Deepest first where depth is published. See all 2,452 wells →

Frequently asked questions

How many wells does Mack Energy operate?

Mack Energy is the operator of record for 2,452 catalogued oil & gas wells, with the largest concentration in New Mexico (1,216). Only wells in states WellCensus has ingested are counted.

How many of Mack Energy's wells are still active?

989 of Mack Energy's catalogued wells are active; 916 are plugged & abandoned and 5 are flagged as orphaned.

In which states does Mack Energy operate wells?

Mack Energy is the operator of record for wells in New Mexico (1,216), Oklahoma (1,172), Kansas (38) and Louisiana (26).

Does Mack Energy operate mostly oil or gas wells?

1,703 of Mack Energy's catalogued wells are oil wells and 221 are gas wells; the rest are injection, service or unclassified wells.

What is Mack Energy's deepest well?

Among wells with a published depth, Shugart 18 Queen Unit #003 in Eddy, NM is the deepest at 99,999 ft.

Where Mack Energy'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, “Mack Energy — well portfolio”, https://wellcensus.com/operators/mack-energy-63 (data as of October 10, 2026).

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