FIELDS · 49129198 · DISTRICT 08

Keystone (Devonian)

Winkler 8

Keystone (Devonian) is an RRC field with 21 leases on file reported by 25 operators, in Winkler County.

No volume has been reported since July 2026.

Fulfer Oil and Cattle Co. holds the most, 1 leases and 68,291 barrels lifetime.

Lifetime, the field has reported 103,617 barrels of oil and 6.0 million mcf of gas, across 10 oil and 4 gas leases.

21
leases on file · 10 oil, 4 gas
25
operators, all time
0
bbl oil, last 12 reported
0
mcf gas, last 12 reported
0
leases reporting volume
104K
bbl oil, lifetime · 5.98M mcf

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Gas by month

TEN YEARS · EVERY LEASE IN THE FIELD

Gas-well gas plus casinghead, mcf, across the field's leases. The latest months are revised upward as late reports arrive.

Last 12 months 0 · prior 12 0

010K20K20162017201820192020202120222023202420252026

Oil by month

TEN YEARS · EVERY LEASE IN THE FIELD

Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.

Last 12 months 0 · prior 12 0

020040020162017201820192020202120222023202420252026

Leases reporting volume

How many of the field's leases reported any oil or gas each month: the field's active footprint.

Latest month 0 · a year earlier 0

051020162017201820192020202120222023202420252026

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 10

OperatorLeasesOil, bblGas, mcfLast reported
Fulfer Oil and Cattle Co.168.3K318KJul 2019
Endeavor Engy Res L.P122.6K129KAug 2019
Blackbeard Oper, LLC17.95K15.3KFeb 2019
Bopco, L.P22.93K11.9KMar 2014
Mineral Technologies, Inc11.42K697Jul 2026
Bass Enterprises Prod Co3451133KMar 2000
Southwest Royalties, Inc20453KMay 2015
Bepco, L.P100Jan 2007
Pennzoil Expl & Prod. Co100Jun 1998
Arch Petro Inc100Mar 2008

All 21 leases in Keystone (Devonian), searchable →

Counties

About this data

Field 49129198 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.

New to these records? how production is reported

Developers: this page as JSON is GET /v1/data/fields/tx/49129198, documented in the API reference.