GRANTHAM 13
GRANTHAM 13 is a Texas oil lease in Howard County, Railroad Commission district 08, operated by Cobra Oil & Gas Corporation. It has 5 wellbores on file with the Commission. Reported production runs from April 2011 to August 2026, totalling 190,016 barrels. The lease is currently producing. Fitting a decline curve to that history and pricing the remaining production at today's forward curve values a standard royalty share at about $21K, with roughly $3K expected over the next twelve months.
| Operator | Cobra Oil & Gas Corporation |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Howard County, Texas |
| RRC district | 08 |
| Lease number | 41438 |
| Wellbores | 5 |
| Reported production | 190,016 bbl |
| First reported | April 2011 |
| Last reported | August 2026 |
| Estimated royalty value | $21K |
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.