Texas field · RRC field 09358450 · District 08
Block 31 (Devonian)
55 producing leases run by 6 operators in 1 Texas county. The field reported 5.7 million mcf of gas and 88,135 barrels of oil in the 12 months through Jul 2026.
Field dossier · 1 county
- Producing leases
- 55of 68 on record
- Operators
- 6
- Counties
- 1
- Biggest operator
- OXY USA EOR, LLC
Own minerals in this field?
Upload a royalty check stub or a phone photo. We compare each month with the state numbers for your lease and tell you what to ask your operator.
Where the field sits
This county
- Oil, last 12 months
- 88,135 bbl
- RRC field no.
- 09358450
- RRC district
- 08
- Data through
- Jul 2026
Production
Five years of output in Block 31 (Devonian)
Gas output in the Block 31 (Devonian) field fell 29% over the last 12 months
5.7M mcf in the 12 months through Jul 2026, against 8M mcf in the 12 months before. Peak month: Dec 2021, 1.1M mcf.
Oil output in the Block 31 (Devonian) field fell 29% over the last 12 months
87.5k bbl in the 12 months through Jul 2026, against 124k bbl in the 12 months before. Peak month: Jan 2022, 16k bbl.
SourceTexas Railroad Commission, Production Data Query, summed over the leases assigned to field 09358450. Reported through Jul 2026, file dated Sep 18, 2026. The newest month is often revised as operators file late.
Leases
Leases in the Block 31 (Devonian) field
32,341bbl oil−42% on the year before
16,338bbl oil−18% on the year before
204,075mcf gas−30% on the year before
183,440mcf gas−33% on the year before
172,712mcf gas−30% on the year before
7,281bbl oil−5% on the year before
133,285mcf gas−8% on the year before
97,976mcf gas−40% on the year before
95,752mcf gas−30% on the year before
4,095bbl oil−11% on the year before
3,927bbl oil−7% on the year before
81,291mcf gas−19% on the year before
80,987mcf gas−12% on the year before
79,212mcf gas+7% on the year before
77,560mcf gas−13% on the year before
77,238mcf gas−27% on the year before
76,078mcf gas−48% on the year before
61,902mcf gas−38% on the year before
2,530bbl oil−9% on the year before
58,591mcf gas+26% on the year before
2,319bbl oil−11% on the year before
51,365mcf gas−23% on the year before
2,167bbl oil+4% on the year before
44,102mcf gas+27% on the year before
42,976mcf gas−14% on the year before
Showing 25 of 55.
SourceTexas Railroad Commission, Production Data Query. Ranked by an approximate value of last-12-month output, so oil and gas wells sort together.
In the Block 31 (Devonian) field
Who operates here, and where
Operators in this field, by gas
OXY USA EOR leads
- OXY USA EOR, LLC2 producing leases here3.4Mmcf
- Hilcorp Energy Company35 producing leases here2Mmcf
- Formentera Operations LLC11 producing leases here124kmcf
- Scout Energy Management LLC4 producing leases here91kmcf
- Walsh & Watts, Inc.2 producing leases here4,302mcf
- Baker Operating, Inc.1 producing lease here2,217mcf
Counties in this field, by gas
Crane County leads
Recent drilling permits in the Block 31 (Devonian) field
BLOCK 31 UNIT #F 5F
recompletion · OXY USA Inc. · Crane County
Permit 0895686 · Jan 31, 2024
For owners
What a field is, and why it matters to your check
- RRC field number
- 09358450
- RRC district
- 08
- Leases on record
- 68
- Producing leases
- 55
The Railroad Commission assigns each lease to a field: the underground pool or formation it produces from. A field can cross county lines and hold leases from many operators. Leases in the same field often move together, because they draw on the same rock.
That makes the field a fair yardstick. If your lease fell sharply and the rest of Block 31 (Devonian) did not, that is worth a question to your operator. If the whole field fell, the cause is probably geology or price, not your check.
The field trend above sums every lease in the field, so it is a good comparison for the lease page of any lease listed here.