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Royalty Clerk

RRC field 44640400 · District 03

Iola (Sub-Clarksville)

The Iola (Sub-Clarksville) field reported 91,547 mcf of gas and 2,053 barrels of oil in the last 12 months.

Field dossier

91,547mcf gas, last 12 months−6% vs prior year
Producing leases
2of 3 on record
Operators
1
Counties
1
Biggest operator
Sandel Operating Company

Own minerals in this field?

Where the field sits

This county

Grimes County: 2 producing leasesGrimesWalkerMadisonMontgomeryWashingtonBrazosBurlesonRobertsonGrimes County
1 county
Oil, last 12 months
2,053 bbl
Data through
Jul 2026

Five years of output in Iola (Sub-Clarksville)

Gas output in the Iola (Sub-Clarksville) field fell 6% over the last 12 months

91.5k mcf through Jul 2026, against 97.3k mcf a year earlier. Peak May 2022: 10.2k mcf.

Gas output in the Iola (Sub-Clarksville) field fell 6% over the last 12 months91.5k mcf through Jul 2026, against 97.3k mcf a year earlier. Peak May 2022: 10.2k mcf.Gas, mcf per month02,5005,0007,50010k12.5kPeak 10.2k (May 22)6,79220222023202420252026
Gas output in the Iola (Sub-Clarksville) field fell 6% over the last 12 months91.5k mcf through Jul 2026, against 97.3k mcf a year earlier. Peak May 2022: 10.2k mcf.Gas, mcf per month02,5005,0007,50010k12.5kPeak 10.2k (May 22)6,792'22'23'24'25'26

Oil output in the Iola (Sub-Clarksville) field fell 8% over the last 12 months

2,053 bbl through Jul 2026, against 2,238 bbl a year earlier. Peak Nov 2022: 376 bbl.

Oil output in the Iola (Sub-Clarksville) field fell 8% over the last 12 months2,053 bbl through Jul 2026, against 2,238 bbl a year earlier. Peak Nov 2022: 376 bbl.Oil, bbl per month0100200300400Peak 376 (Nov 22)12620222023202420252026
Oil output in the Iola (Sub-Clarksville) field fell 8% over the last 12 months2,053 bbl through Jul 2026, against 2,238 bbl a year earlier. Peak Nov 2022: 376 bbl.Oil, bbl per month0100200300400Peak 376 (Nov 22)126'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, field 44640400, through Jul 2026, file dated Sep 18, 2026.

Leases in the Iola (Sub-Clarksville) field

Under each volume: change on the year before.

SourceTexas Railroad Commission Production Data Query.

Recent drilling permits in the Iola (Sub-Clarksville) field

No recent permits.