Mull Drilling
Operator of record for 1,177 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: MULL DRILLING COMPANY · MULL DRILLING COMPANY INC · Mull Drilling Co., Inc. · Mull Drilling Company, Inc.
At a glance
Mull Drilling is the operator of record for 1,177 catalogued U.S. oil & gas wells in 4 states. 297 (25%) are active, 829 (70%) plugged & abandoned. Its largest concentration is in Kansas, with 636 wells (54% of its portfolio).
Wells operated
1,177
Active
297
Plugged
829
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 636 |
| Colorado | 535 |
| Montana | 3 |
| Wyoming | 3 |
Well mix
- Oil wells
- 440
- Gas wells
- 40
- Shut-in
- 17
- Active share
- 25%
Is this your company?
Claim Mull Drilling to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mull Drilling operate?
Mull Drilling's catalogued wells are spread across 4 states: Kansas (636), Colorado (535), Montana (3) and Wyoming (3). Its 535 Colorado wells are 0.4% of the 124,327 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 Mull Drilling’s wells are active, plugged or orphaned?
25% of Mull Drilling's catalogued wells are active, 4 percentage points below the national share of 29%. 70% are plugged & abandoned, against 47% nationally. 17 wells (1%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mull Drilling operate?
By product class, 440 (37%) are oil wells and 40 (3%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Deines Unit 1 in Trego, KS at 9,871 ft. The wells listed below sit in Trego (KS), Gove (KS), Park (WY), Lincoln (CO), Garfield (MT) and Clark (KS). State filings spell the name 4 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Mull Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Deines Unit 1 | 15-195-23042 | Active | Oil | Trego, KS | Mull Drilling Company, Inc. | 9,871 ft |
| Cbc Unit 1-31h | 15-063-22331 | Active | Oil | Gove, KS | Mull Drilling Company, Inc. | 8,454 ft |
| Faxon Patented 1 | 49-029-05898 | Plugged & abandoned | Oil | Park, WY | Mull Drilling Company | 8,278 ft |
| 1 Craig | 05-073-06175 | Plugged & abandoned | Oil | Lincoln, CO | Mull Drilling Company Inc | 7,490 ft |
| Carnosaurus 1-17 | 25-033-21152 | Plugged & abandoned | Other type | Garfield, MT | Mull Drilling Co., Inc. | 7,462 ft |
| 1 State-Forristall | 05-073-06161 | Plugged & abandoned | Other type | Lincoln, CO | Mull Drilling Company Inc | 7,425 ft |
| 1 Koch 11-7 | 05-073-06098 | Active | Other type | Lincoln, CO | Mull Drilling Company Inc | 7,365 ft |
| 1 Braukmann Farm | 05-073-06096 | Plugged & abandoned | Oil | Lincoln, CO | Mull Drilling Company Inc | 7,150 ft |
| Morton 1-11 | 15-025-21625 | Plugged & abandoned | Other type | Clark, KS | Mull Drilling Company, Inc. | 7,100 ft |
| 2x Braukmann Farm Corp | 05-073-06104 | Plugged & abandoned | Other type | Lincoln, CO | Mull Drilling Company Inc | 7,095 ft |
| 3 Braukmann Farms Corp | 05-073-06102 | Plugged & abandoned | Oil | Lincoln, CO | Mull Drilling Company Inc | 7,090 ft |
| Carter 2-30 | 15-025-21620 | Active | Oil | Clark, KS | Mull Drilling Company, Inc. | 7,061 ft |
Deepest first where depth is published. See all 1,177 wells →
Frequently asked questions
How many wells does Mull Drilling operate?
Mull Drilling is the operator of record for 1,177 catalogued oil & gas wells, with the largest concentration in Kansas (636). Only wells in states WellCensus has ingested are counted.
How many of Mull Drilling's wells are still active?
297 of Mull Drilling's catalogued wells are active; 829 are plugged & abandoned.
In which states does Mull Drilling operate wells?
Mull Drilling is the operator of record for wells in Kansas (636), Colorado (535), Montana (3) and Wyoming (3).
Does Mull Drilling operate mostly oil or gas wells?
440 of Mull Drilling's catalogued wells are oil wells and 40 are gas wells; the rest are injection, service or unclassified wells.
What is Mull Drilling's deepest well?
Among wells with a published depth, Deines Unit 1 in Trego, KS is the deepest at 9,871 ft.
Where Mull Drilling'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, “Mull Drilling — well portfolio”, https://wellcensus.com/operators/mull-drilling-2928 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).