MARY
MARY is a Texas oil lease in Upton County, Railroad Commission district 7C, operated by Cog Operating LLC. It has 9 wellbores on file with the Commission. Reported production runs from July 2011 to June 2026, totalling 488,185 barrels. The lease is shut in. Over the last twelve months on file it averaged 4 barrels a month. Its strongest month on the record we hold was May 2016, at 2,562 barrels.
Key facts about MARY
- Who operates MARY?
- MARY is operated by Cog Operating LLC, Railroad Commission of Texas operator number 166150.
- Where is MARY?
- MARY is a Texas oil lease in Upton County, Texas, in Railroad Commission district 7C. Its Railroad Commission lease number is 17637.
- Is MARY still producing?
- MARY is shut in. The most recent month of production reported to the Railroad Commission of Texas for MARY is June 2026.
- How much has MARY produced?
- MARY has reported 488,185 barrels of oil (bbl) to the Railroad Commission of Texas between July 2011 and June 2026, from 9 wellbores.
Lease record
| Operator | Cog Operating LLC |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Upton County, Texas |
| RRC district | 7C |
| Lease number | 17637 |
| Wellbores | 9 |
| Reported production | 488,185 bbl |
| First reported | |
| Last reported |
Where MARY 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.