FIELDS · TEXAS · FIELD 31487500

Flintstone (Cretaceous Chalk)

Field · District 02 · De Witt County

Flintstone (Cretaceous Chalk) is an RRC field with 2 leases on file reported by 3 operators, in De Witt County.

In the 12 months reported through April 2026 it produced 3,768 mcf of gas, up 31% on the year before, from 1 lease reporting volume.

Marathon Oil EF LLC holds the most, 2 leases and 271,362 mcf of gas lifetime.

Lifetime, the field has reported 5,589 barrels of oil and 271,362 mcf of gas.

2: leases on file
1: leases reporting volume
3: operators, all time
2: active wellbores of 2 · 1 operators today
0: bbl oil, 12 months through Apr 2026
3,768: Mcf gas, same 12 months · +31%
5,589: bbl oil, lifetime · 271,362 Mcf gas

Every well completed in it, searchable →

Reported production by month

12 months through Apr 2026 0 · prior 12 0

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 1

Operator	Leases	Oil, bbl	Gas, Mcf	Last reported
Marathon Oil EF LLC	2	5.59K	271K	Apr 2026

All 2 leases in Flintstone (Cretaceous Chalk), searchable →

Counties

De Witt County → 2 leases

Latest completions

BY COMPLETION DATE

Well	Operator	County	Completed	Top perf, ft	Oil, 12 mo	Gas, 12 mo
Friedrichs Gas Unit #1	Marathon Oil EF LLC	De Witt	May 26, 2009	—	—	—
Johnson Gas Unit #1	Marathon Oil EF LLC	De Witt	Sep 16, 2008	—	—	—

About this data

Field 31487500 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, Apr 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. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields/tx/31487500, documented in the API reference.