Texas field · RRC field 57666500 · District 7B
Marsan (Congl.)
12 producing leases run by 2 operators in 1 Texas county. The field reported 40,350 mcf of gas and 62 barrels of oil in the 12 months through Jul 2026.
Field dossier · 1 county
- Producing leases
- 12of 15 on record
- Operators
- 2
- Counties
- 1
- Biggest operator
- Bayou Operating Company, Inc.
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
- 62 bbl
- RRC field no.
- 57666500
- RRC district
- 7B
- Data through
- Jul 2026
Production
Five years of output in Marsan (Congl.)
Gas output in the Marsan (Congl.) field fell 20% over the last 12 months
38.6k mcf in the 12 months through Jul 2026, against 48.2k mcf in the 12 months before. Peak month: Aug 2022, 5,191 mcf.
Oil output in the Marsan (Congl.) field fell 26% over the last 12 months
62 bbl in the 12 months through Jul 2026, against 84 bbl in the 12 months before. Peak month: Nov 2025, 28 bbl.
SourceTexas Railroad Commission, Production Data Query, summed over the leases assigned to field 57666500. Reported through Jul 2026, file dated Sep 18, 2026. The newest month is often revised as operators file late.
Leases
Leases in the Marsan (Congl.) field
24,192mcf gas+3% on the year before
2,779mcf gas−53% on the year before
2,533mcf gas−10% on the year before
2,349mcf gas−56% on the year before
1,500mcf gas−5% on the year before
54bbl oil−25% on the year before
1,232mcf gas+23% on the year before
689mcf gas−57% on the year before
665mcf gas−57% on the year before
612mcf gas−55% on the year before
310mcf gas−54% on the year before
69mcf gas−60% on the year before
Showing 12 of 12.
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 Marsan (Congl.) field
Who operates here, and where
Operators in this field, by gas
Bayou Operating Company leads
Counties in this field, by gas
Eastland County leads
Recent drilling permits in the Marsan (Congl.) field
No recent drilling permits in this field are in our data yet.
For owners
What a field is, and why it matters to your check
- RRC field number
- 57666500
- RRC district
- 7B
- Leases on record
- 15
- Producing leases
- 12
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 Marsan (Congl.) 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.