LEASES · O-11-18607 · OIL · DISTRICT 8A
Prentice Northeast Unit
ReportingHighmark Energy Operating, LLC · Terry County and Yoakum · Prentice (6700) field
Prentice Northeast Unit is an RRC oil lease (O-11-18607) in Terry County operated by Highmark Energy Operating, LLC, with 621 wells completed on it.
It has reported 27.6M barrels of oil and 6.52M mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 320K barrels of oil, down 4% on the year before; the lease peaked at 135K barrels in December 1997.
4 operators have filed production on it, most recently Highmark Energy Operating, LLC since January 2022.
- 27.6M
- bbl oil, all reported
- 6.52M
- mcf gas incl. casinghead
- 320K
- bbl oil, last 12 reported
- -4%
- vs the 12 before
- 621
- wells completed on it
- 135K
- peak month, bbl (Dec 1997)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 320,398 · prior 12 335,299(-4%)
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 98,957 · prior 12 96,724(+2%)
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.
Who reported it
Each run of months one operator filed the production report, oldest first.
- Amoco Production CompanyJan 1993 → Dec 1993 · 12 mo
- Cross Timbers Operating CompanyJan 1994 → May 2001 · 89 mo
- XTO Energy Inc.Jun 2001 → Dec 2021 · 247 mo
- Highmark Energy Operating, LLCJan 2022 → Jul 2026 · 55 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
621
wells completed on the lease
- Producing
- 180
- Shut IN
- 164
- Plugged
- 163
- Injection
- 113
- Water Supply
- 1
Operates them now
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.
Developers: this page as JSON is GET /v1/data/leases/tx/o-11-18607, documented in the API reference.