Pioneer Drilling
Operator of record for 80 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: PIONEER DRILLING CO · Pioneer Drilling Co Corp · Pioneer Drilling Co. · Pioneer Drilling Co., Inc.
At a glance
Pioneer Drilling is the operator of record for 80 catalogued U.S. oil & gas wells in 5 states. None is listed as active, 63 (79%) are plugged & abandoned and 4 flagged as orphaned. Its largest concentration is in Ohio, with 72 wells (90% of its portfolio).
Wells operated
80
Active
0
Plugged
63
Orphaned
4
Portfolio by state
| State | Wells |
|---|---|
| Ohio | 72 |
| Arkansas | 3 |
| California | 3 |
| Kansas | 1 |
| Kentucky | 1 |
Well mix
- Oil wells
- 76
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Pioneer Drilling to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Pioneer Drilling operate?
Pioneer Drilling's catalogued wells are spread across 5 states: Ohio (72), Arkansas (3), California (3), Kansas (1) and Kentucky (1). Its 72 Ohio wells are 0.0% of the 242,052 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 Pioneer Drilling’s wells are active, plugged or orphaned?
0% of Pioneer Drilling's catalogued wells are active, 29 percentage points below the national share of 29%. 79% are plugged & abandoned, against 47% nationally. 4 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Pioneer Drilling operate?
By product class, 76 (95%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Tennyson, L E 1 in Union, AR at 4,120 ft. The wells listed below sit in Union (AR), Barton (KS), Henderson (KY), Shelby (OH) and Paulding (OH). 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 Pioneer Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Tennyson, L E 1 | 03-139-04425 | Plugged & abandoned | Oil | Union, AR | Pioneer Drilling Co Corp | 4,120 ft |
| Miller 4 | 15-009-07010 | Plugged & abandoned | Injection | Barton, KS | Pioneer Drilling Co., Inc. | 3,500 ft |
| Denton, A H 1 | KGS record 107523 | Plugged & abandoned | Other type | Henderson, KY | Pioneer Drilling Co | 2,720 ft |
| Baker 3 | 03-139-00078 | Plugged & abandoned | Oil | Union, AR | Pioneer Drilling Co Corp | 2,665 ft |
| Baker 2 | 03-139-00088 | Plugged & abandoned | Oil | Union, AR | Pioneer Drilling Co Corp | 2,617 ft |
| Way Farm Iv 1 | 34-149-20094 | Plugged & abandoned | Oil | Shelby, OH | Pioneer Drilling Co | 1,789 ft |
| Brady Maurice A 1 | 34-125-20015 | Plugged & abandoned | Injection | Paulding, OH | Pioneer Drilling Co | 1,640 ft |
| Price George F & Rosella 1 | 34-125-20097 | Plugged & abandoned | Oil | Paulding, OH | Pioneer Drilling Co | 1,521 ft |
| Cook M Janette & Robert 1 | 34-125-20096 | Plugged & abandoned | Oil | Paulding, OH | Pioneer Drilling Co | 1,501 ft |
| Lincoln Nat' L Bank & Trust Co A-1 | 34-125-20006 | Plugged & abandoned | Oil | Paulding, OH | Pioneer Drilling Co | 1,475 ft |
| Glass Rose Ann 3-B | 34-125-20054 | Plugged & abandoned | Oil | Paulding, OH | Pioneer Drilling Co | 1,447 ft |
| Burnos M Etal 5 | 34-125-20107 | Plugged & abandoned | Oil | Paulding, OH | Pioneer Drilling Co | 1,446 ft |
Deepest first where depth is published. See all 80 wells →
Frequently asked questions
How many wells does Pioneer Drilling operate?
Pioneer Drilling is the operator of record for 80 catalogued oil & gas wells, with the largest concentration in Ohio (72). Only wells in states WellCensus has ingested are counted.
How many of Pioneer Drilling's wells are still active?
0 of Pioneer Drilling's catalogued wells are active; 63 are plugged & abandoned and 4 are flagged as orphaned.
In which states does Pioneer Drilling operate wells?
Pioneer Drilling is the operator of record for wells in Ohio (72), Arkansas (3), California (3), Kansas (1) and Kentucky (1).
Does Pioneer Drilling operate mostly oil or gas wells?
76 of Pioneer Drilling's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Pioneer Drilling's deepest well?
Among wells with a published depth, Tennyson, L E 1 in Union, AR is the deepest at 4,120 ft.
Where Pioneer Drilling's wells are
- Oil & gas wells in Ohio· 72 operated by Pioneer Drilling
- Oil & gas wells in Arkansas· 3 operated by Pioneer Drilling
- Oil & gas wells in California· 3 operated by Pioneer Drilling
- Oil & gas wells in Kansas· 1 operated by Pioneer Drilling
- Oil & gas wells in Kentucky· 1 operated by Pioneer Drilling
- Largest U.S. well operators
- All well operators
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, “Pioneer Drilling — well portfolio”, https://wellcensus.com/operators/pioneer-drilling-41156 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).