CHIEFTAIN
CHIEFTAIN is a Texas oil lease in Martin County, Railroad Commission district 08, operated by Pioneer Natural Res. USA, Inc. It has 1 wellbore on file with the Commission. Reported production runs from March 2010 to August 2026, totalling 34,858 barrels. The lease is not currently producing. Its strongest month on the record we hold was July 2016, at 238 barrels.
Key facts about CHIEFTAIN
- Who operates CHIEFTAIN?
- CHIEFTAIN is operated by Pioneer Natural Res. USA, Inc., Railroad Commission of Texas operator number 665748.
- Where is CHIEFTAIN?
- CHIEFTAIN is a Texas oil lease in Martin County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 39840.
- Is CHIEFTAIN still producing?
- CHIEFTAIN is not currently producing. The most recent month of production reported to the Railroad Commission of Texas for CHIEFTAIN is August 2026.
- How much has CHIEFTAIN produced?
- CHIEFTAIN has reported 34,858 barrels of oil (bbl) to the Railroad Commission of Texas between March 2010 and August 2026, from 1 wellbore.
Lease record
| Operator | Pioneer Natural Res. USA, Inc. |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Martin County, Texas |
| RRC district | 08 |
| Lease number | 39840 |
| Wellbores | 1 |
| Reported production | 34,858 bbl |
| First reported | |
| Last reported |
Where CHIEFTAIN sits
Source: Railroad Commission of Texas lease production records, complete through . Figures on this page were computed on .
Production figures are as reported to the Railroad Commission of Texas. The value shown is an estimate produced by fitting a decline curve to that reported history; it is not an offer or an appraisal. How this estimate is calculated.