RRC field 36421400 · District 8A
Grantham (Tannehill)
The Grantham (Tannehill) field reported 6,729 barrels of oil in the last 12 months.
Field dossier
6,729bbl oil, last 12 months−48% vs prior year
- Producing leases
- 2of 6 on record
- Operators
- 1
- Counties
- 1
- Biggest operator
- Canan Mowrey Operating, LLC
Own minerals in this field?
Where the field sits
This county
1 county
- Data through
- Jul 2026
- Leases on record
- 6
Five years of output in Grantham (Tannehill)
Oil output in the Grantham (Tannehill) field fell 48% over the last 12 months
6,729 bbl through Jul 2026, against 12.8k bbl a year earlier. Peak Jun 2022: 1,649 bbl.
SourceTexas Railroad Commission Production Data Query, field 36421400, through Jul 2026, file dated Sep 18, 2026.
Leases in the Grantham (Tannehill) field
Under each volume: change on the year before.
3,958bbl oil+7%
2,771bbl oil−70%
Showing 2 of 2.
SourceTexas Railroad Commission Production Data Query.
Recent drilling permits in the Grantham (Tannehill) field
No recent permits.