Texas field · RRC field 33230500 · District 08
Fullerton (San Andres)
56 producing leases run by 9 operators in 1 Texas county. The field reported 509,812 barrels of oil and 37,712 mcf of gas in the 12 months through Jul 2026.
Field dossier · 1 county
- Producing leases
- 56of 84 on record
- Operators
- 9
- Counties
- 1
- Biggest operator
- Texland Petroleum, L.P.
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
- Gas, last 12 months
- 37,712 mcf
- RRC field no.
- 33230500
- RRC district
- 08
- Data through
- Jul 2026
Production
Five years of output in Fullerton (San Andres)
Oil output in the Fullerton (San Andres) field fell 6% over the last 12 months
510k bbl in the 12 months through Jul 2026, against 541k bbl in the 12 months before. Peak month: Nov 2021, 58.9k bbl.
Gas output in the Fullerton (San Andres) field fell 19% over the last 12 months
37.7k mcf in the 12 months through Jul 2026, against 46.6k mcf in the 12 months before. Peak month: Oct 2021, 12k mcf.
SourceTexas Railroad Commission, Production Data Query, summed over the leases assigned to field 33230500. Reported through Jul 2026, file dated Sep 18, 2026. The newest month is often revised as operators file late.
Leases
Leases in the Fullerton (San Andres) field
108,851bbl oil−8% on the year before
57,956bbl oil−6% on the year before
43,221bbl oil−7% on the year before
32,296bbl oil−1% on the year before
31,981bbl oil−2% on the year before
27,623bbl oil−5% on the year before
22,099bbl oil−8% on the year before
21,621bbl oil−9% on the year before
14,475bbl oil−6% on the year before
11,627bbl oil+1% on the year before
11,533bbl oil−7% on the year before
9,499bbl oil+4% on the year before
8,435bbl oil−11% on the year before
7,800bbl oil+2% on the year before
7,564bbl oil−9% on the year before
7,330bbl oil0% on the year before
6,583bbl oil+1% on the year before
6,107bbl oil−33% on the year before
4,728bbl oil−17% on the year before
4,639bbl oil+23% on the year before
4,090bbl oil−20% on the year before
4,080bbl oil+25% on the year before
3,956bbl oil+177% on the year before
3,776bbl oil−7% on the year before
3,733bbl oil−8% on the year before
Showing 25 of 56.
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 Fullerton (San Andres) field
Who operates here, and where
Operators in this field, by oil
Texland Petroleum leads
- Texland Petroleum, L.P.9 producing leases here291kbbl
- White Rock Oil & Gas, LLC2 producing leases here53.9kbbl
- Hilcorp Energy Company6 producing leases here50.7kbbl
- Unitex Oil & Gas, L.L.C.9 producing leases here41.2kbbl
- Vin Fisher Operating, Inc.19 producing leases here40kbbl
- Stephens & Johnson Operating Co.6 producing leases here15.9kbbl
- Crescent Energy Operating, LLC3 producing leases here12.2kbbl
- Fasken Oil and Ranch, Ltd.1 producing lease here1,838bbl
Counties in this field, by oil
Andrews County leads
More operators (number = producing leases here)
Recent drilling permits in the Fullerton (San Andres) field
LOGSDON, ETAL -D- #4
recompletion · Texland Petroleum, L.P. · Andrews County
Permit 0918527 · Sep 14, 2026
FSAU #21
recompletion · White Rock Oil & Gas, LLC · Andrews County
Permit 0902787 · Nov 12, 2024
For owners
What a field is, and why it matters to your check
- RRC field number
- 33230500
- RRC district
- 08
- Leases on record
- 84
- Producing leases
- 56
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 Fullerton (San Andres) 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.
FAQ
Questions about the Fullerton (San Andres) field
What is the Fullerton (San Andres) field?
A field is a name and number the Railroad Commission gives to a group of wells that draw from the same reservoir. The Fullerton (San Andres) field is field 33230500 in district 08, with 56 producing leases in 1 Texas county.
How much does the Fullerton (San Andres) field produce?
It reported 509,812 barrels of oil and 37,712 mcf of gas in the 12 months through Jul 2026, from leases run by 9 operators, the largest being Texland Petroleum, L.P..
Can I use the field to check my own royalty?
If your stub names a lease in this field, the field trend shows whether output fell everywhere or only on your lease. A drop across the whole field usually comes from price or reservoir decline, so ask the operator about your lease only when it fell alone.
How current are these numbers?
The state publishes lease production two to three months after the month it covers, so Jul 2026 is the newest month here.
Keep going
More Texas data
- Texas dataTexas fields, A to ZEvery field with producing leases in Railroad Commission records.
- Texas dataTexas operators, A to ZEvery operator with producing leases, and its report card.
- ToolWhy is my royalty check lower?Splits a drop into volume, price, deductions and your share.
- CheckCheck my royalty statementUpload a stub and we compare each month with the state record.