FIELDS · TEXAS · FIELD 57559375

Markas (Serpentine Reef)

Field · District 01 · Atascosa County

Markas (Serpentine Reef) is an RRC field with 1 lease on file reported by 1 operator, in Atascosa County.

No volume has been reported since July 2026.

STX holds the most, 1 lease and 85 barrels of oil lifetime.

Lifetime, the field has reported 85 barrels of oil and 2 mcf of gas.

1
leases on file
0
leases reporting volume
1
operators, all time
0
active wellbores of 1 · 0 operators today
0
bbl oil, 12 months through Apr 2026
0
Mcf gas, same 12 months
85
bbl oil, lifetime · 2 Mcf gas

Every well completed in it, searchable →

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 1

OperatorLeasesOil, bblGas, McfLast reported
STX1852Jul 2026

All 1 leases in Markas (Serpentine Reef), searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Cantu #1STXAtascosaJun 10, 1992—00

About this data

Field 57559375 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. 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/57559375, documented in the API reference.