FIELDS · TEXAS · FIELD 37163830

Group (4000)

Field · District 7B · Nolan County

Group (4000) is an RRC field with 8 leases on file reported by 20 operators, in Nolan County.

In the 12 months reported through April 2026 it produced 802 barrels of oil, down 55% on the year before, from 1 leases reporting volume.

Winchester Energy, LLC holds the most, 2 leases and 340,531 barrels lifetime.

Lifetime, the field has reported 433,436 barrels of oil and 276,258 mcf of gas.

8
leases on file
1
leases reporting volume
20
operators, all time
2
active wellbores of 63 · 2 operators today
802
bbl oil, 12 months through Apr 2026 · −55%
0
Mcf gas, same 12 months
433,436
bbl oil, lifetime · 276,258 Mcf gas

Every well completed in it, searchable →

Reported production by month

Last 12 months 802 · prior 12 1,772(-55%)

05001K2017201820192020202120222023202420252026

Group (4000): Oil by month.

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 6

OperatorLeasesOil, bblGas, McfLast reported
Winchester Energy, LLC2341K235KJul 2026
D.J. & T. Energy149.7K0Jul 2026
Carey, Shirley L. Trust228.8K2.36KJul 2026
Bustamante Oil Company114.4K38.6KJul 2026
Robertson Resources, Inc.100Feb 2017
Texas United Geoproduction, Inc.100Oct 1993

All 8 leases in Group (4000), searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Group 4000 Unit a #15 AWinchester Energy LLCNolanNov 4, 2022—00
Group 4000 Unit a #23AWinchester Energy LLCNolanSep 26, 2022—00
Group 4000 Unit a #16 AWinchester Energy LLCNolanSep 23, 2022—00
Alderman 66 #1D.J. & T. EnergyNolanSep 8, 2008—00
Cochran Est. #3Carey Shirley L. TrustNolanDec 14, 1995—00
Group 4000 Unit a #27AWinchester Energy LLCNolanSep 30, 1994—00
Group 4000 Unit a #9AWinchester Energy LLCNolanApr 29, 1992—00
Group 4000 Unit a #8AWinchester Energy LLCNolanJul 30, 1991—00
Group 4000 Unit a #16BWinchester Energy LLCNolanMay 27, 1991—00
Group 4000 Unit a #1AWinchester Energy LLCNolanMar 15, 1991—00

About this data

Field 37163830 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/37163830, documented in the API reference.