FIELDS · 44646500 · DISTRICT 03

Iola, South (Sub-Clarksville)

Grimes 8 · Brazos 7

Iola, South (Sub-Clarksville) is an RRC field with 15 leases on file reported by 14 operators, mostly in Grimes County.

In the 12 months reported through April 2026 it produced 489 barrels of oil, down 42% on the year before, from 1 leases reporting volume.

Chaparral Engy, L.L.C holds the most, 3 leases and 134,151 barrels lifetime.

Lifetime, the field has reported 312,652 barrels of oil and 378,751 mcf of gas.

15
leases on file
14
operators, all time
489
bbl oil, last 12 reported -42%
0
mcf gas, last 12 reported
1
leases reporting volume
313K
bbl oil, lifetime · 379K mcf

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Oil by month

TEN YEARS · EVERY LEASE IN THE FIELD

Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.

Last 12 months 489 · prior 12 846(-42%)

010020030020162017201820192020202120222023202420252026

Leases reporting volume

How many of the field's leases reported any oil or gas each month: the field's active footprint.

Latest month 1 · a year earlier 1(+0%)

01220162017201820192020202120222023202420252026

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 8

OperatorLeasesOil, bblGas, mcfLast reported
Chaparral Engy, L.L.C3134K343KFeb 2015
P.o.&g. Oper, LLC2101K10.3KJul 2026
Ramtex Engy LLC174.2K20.6KJul 2026
AL-TX Operating Inc.11.68K4.33KOct 1996
Confed Oil Inc11.68K10Mar 1996
D.J. Oilfield Salvage Inc.23712Aug 1996
Fricke Production Co.400Aug 2003
American Expl Co100Mar 1993

All 15 leases in Iola, South (Sub-Clarksville), searchable →

Counties

About this data

Field 44646500 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.

New to these records? how production is reported

Developers: this page as JSON is GET /v1/data/fields/tx/44646500, documented in the API reference.