LEASES · O-10-64036 · OIL · DISTRICT 08

Rattler 54-2-1-12 Unit

Reporting

Anadarko E&P Onshore LLC · Loving County · Phantom (Wolfcamp) field

Rattler 54-2-1-12 Unit is an RRC oil lease (O-10-64036) in Loving County operated by Anadarko E&P Onshore LLC, with 10 wells completed on it.

It has reported 2.73M barrels of oil and 4.48M mcf of gas since April 2025, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 2.5M barrels of oil, versus 224K the year before; the lease peaked at 541K barrels in May 2025.

2.73M
bbl oil, all reported
4.48M
mcf gas incl. casinghead
2.5M
bbl oil, last 12 reported
+1018%
vs the 12 before
10
wells completed on it
541K
peak month, bbl (May 2025)

PDQ LEASE REPORTS · FIRST APR 2025 · LAST VOLUME APR 2026 · 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 2,503,189

0200K400K600K2026

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 4,055,700

0500K1M1.5M2026

Decline curve

A MODEL FITTED TO THE REPORTS, NOT A REPORT

An Arps hyperbolic curve fitted to the 12 reporting months of oil since the peak in May 2025. The dashed line below is that curve, drawn over the months it was fitted to and then 24 months past the last report; where it parts from the columns is where the model stops describing the lease. It describes the trend of past reports. It does not know about recompletions, shut-ins, or new wells, and it is shown only when the lease reported within the last year and the curve explains most of the history.

75%
first-year decline from the peak (nominal Di 748%)
2.0
b factor (hyperbolic)
0.91
fit R²
17M
bbl remaining on the curve, to 1 per month

Oil, barrels reported months since the peak, with the fitted curve and its projection

Last 12 months 2,503,189

0200K400K600K202620272028

Fitted hyperbolic curve from the May 2025 peak, dashed 24 months past the last report

Projected monthOct 2026Apr 2027Oct 2027Apr 2028
On the curve, bbl per month94,46481,69573,01066,612

Quoting a projected figure as if it were reported would be wrong; the reported figures are the ones in the charts and the table view. How production is reported →

Who reported it

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

  1. Anadarko E&P Onshore LLCApr 2025 → Jul 2026 · 16 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

10

wells completed on the lease

Producing
10

Operates them now

Newest permits

All 10 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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