LEASES · O-10-39164 · OIL · DISTRICT 08

Big Valley 6-20

No volume since Jan 2020

Diamondback E&P LLC · Reeves County · Phantom (Wolfcamp) field

Big Valley 6-20 is an RRC oil lease (O-10-39164) in Reeves County operated by Diamondback E&P LLC, with one well completed on it.

It has reported 91.7K barrels of oil and 119K mcf of gas since September 2008, last reporting volume in January 2020 (statewide data runs through April 2026).

The last 12 reported months total 735 barrels of oil, down 87% on the year before; the lease peaked at 5.32K barrels in October 2008.

4 operators have filed production on it, most recently Diamondback E&P LLC since November 2019.

91.7K
bbl oil, all reported
119K
mcf gas incl. casinghead
735
bbl oil, last 12 reported
-87%
vs the 12 before
1
wells completed on it
5.32K
peak month, bbl (Oct 2008)

PDQ LEASE REPORTS · FIRST SEP 2008 · LAST VOLUME JAN 2020 · STATEWIDE DATA THROUGH APR 2026

Oil by month

Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.

Last 12 months 735 · prior 12 5,533(-87%)

05001K1.5K2011201220132014201520162017201820192020

Gas by month

Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.

Last 12 months 4,306 · prior 12 1,051(+310%)

02K4K6K2011201220132014201520162017201820192020

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Cimarex Energy Co.Sep 2008 → Aug 2018 · 120 mo
  2. Callon Petroleum Operating CoSep 2018 → Apr 2019 · 8 mo
  3. Colgate Operating, LLCMay 2019 → Oct 2019 · 6 mo
  4. Diamondback E&P LLCNov 2019 → Oct 2020 · 12 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Not on Schedule
1

Operates them now

Newest permits

All 1 wells, searchable →

About this data

Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.

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