FIELDS · TEXAS · FIELD 44646500
Iola, South (Sub-Clarksville)
Field · District 03 · Grimes County and 1 more · Sub Clarksville in every state →
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 August 2026 it produced 576 barrels of oil, down 20% on the year before, from 1 lease reporting volume.
Chaparral Energy, L.L.C. holds the most, 3 leases and 134,151 barrels of oil lifetime.
Lifetime, the field has reported 312,838 barrels of oil and 378,751 mcf of gas.
- 15
- leases on file
- 1
- leases reporting volume
- 14
- operators, all time
- 1
- active wellbores of 26 · 1 operators today
- 576
- bbl oil, 12 months through Aug 2026 · −20%
- 0
- Mcf gas, same 12 months
- 312,838
- bbl oil, lifetime · 378,751 Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Aug 2026 576 · prior 12 716(-20%)
Iola, South (Sub-Clarksville): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 8
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Chaparral Energy, L.L.C. | 3 | 134K | 343K | Apr 2011 |
| P.o.&g. Operating, LLC | 2 | 101K | 10.3K | Aug 2026 |
| Ramtex Energy LLC | 1 | 74.2K | 20.6K | Dec 2014 |
| Al-TX Operating Inc. | 1 | 1.68K | 4.33K | Jun 1994 |
| Confed Oil Incorporated | 1 | 1.68K | 10 | Apr 1994 |
| D.J. Oilfield Salvage Inc. | 2 | 37 | 12 | Mar 1993 |
| Fricke Production Co. | 4 | 0 | 0 | — |
| American Exploration Company | 1 | 0 | 0 | — |
All 15 leases in Iola, South (Sub-Clarksville), searchable →
Counties
- Grimes County → 8 leases
- Brazos County → 7 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Birdwell Unit I #2 | Chaparral Energy L.L.C. | Brazos | Aug 3, 1985 | — | — | — |
| Palmer #1 | Patterson Petroleum Inc. | Brazos | May 1, 1985 | — | — | — |
| Clearlake Properties #1 U | Mark-O Energy Inc. | Brazos | Jan 31, 1985 | — | — | — |
| Selected Lands #4 A | P.o.&g. Operating LLC | Grimes | May 29, 1984 | — | — | — |
| Cox Unit 1 #2 | Chaparral Energy L.L.C. | Brazos | May 24, 1984 | — | — | — |
| Cobb Unit 6 #1 | D.J. Oilfield Salvage Inc. | Brazos | Apr 22, 1984 | — | — | — |
| Cobb Unit 2 #2 | Al-TX Operating Inc. | Brazos | Apr 17, 1984 | — | — | — |
| Selected Lands #7 | P.o.&g. Operating LLC | Grimes | Apr 4, 1984 | — | — | — |
| Cobb Unit 4 #2 | D.J. Oilfield Salvage Inc. | Brazos | Mar 27, 1984 | — | — | — |
| Selected Lands UT #18 No. 6 #1 | P.o.&g. Operating LLC | Grimes | Mar 8, 1984 | — | — | — |
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 from every lease report naming the field, cut at the statewide reported-through month, Aug 2026. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Sub Clarksville, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/44646500, documented in the API reference.