FIELDS · TEXAS · FIELD 54312094

Lockhart (Cockfield 4)

Field · District 04 · Starr County

Lockhart (Cockfield 4) is an RRC field with 2 leases on file reported by 8 operators, in Starr County.

Opex Energy, LLC holds the most, 1 lease and 372,826 mcf of gas lifetime.

Lifetime, the field has reported 2,610 barrels of oil and 372,833 mcf of gas, across 1 oil and 1 gas leases.

2
leases on file · 1 oil, 1 gas
0
leases reporting volume
8
operators, all time
0
active wellbores of 3 · 0 operators today
0
bbl oil, 12 months through Aug 2026
0
Mcf gas, same 12 months
2,610
bbl oil, lifetime · 372,833 Mcf gas

Every well completed in it, searchable →

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 2

OperatorLeasesOil, bblGas, McfLast reported
Opex Energy, LLC12.54K373KDec 2003
Jilpetco, Inc.1677Mar 2004

All 2 leases in Lockhart (Cockfield 4), searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
McLean Marrs #29Cooper Operating LLCStarrApr 29, 1999———
Marrs-McLean #16LCooper Operating LLCStarrDec 1, 1987———
Garza D. L. a #1AJilpetco Inc.StarrDec 7, 1969———

About this data

Field 54312094 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, Aug 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/54312094, documented in the API reference.