LEASES · O-9-16632 · OIL · DISTRICT 7C
Sau 40-4
Apache Corporation · Reagan County · Spraberry (Trend Area) field
Sau 40-4 is an RRC oil lease (O-9-16632) in Reagan County operated by Apache Corporation, with 4 wells completed on it.
It has reported 76.7K barrels of oil and 479K mcf of gas since May 2008, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 682 barrels of oil in the 12 months through April 2026, down 11% on the year before; the lease peaked at 1.77K barrels in March 2013.
2 operators have filed production on it, most recently Apache Corporation since December 2010.
- 76.7K
- bbl oil, all reported
- 479K
- mcf gas incl. casinghead
- 682
- bbl oil, 12 months through Apr 2026
- -11%
- vs the 12 before
- 4
- wells completed on it
- 1.77K
- peak month, bbl (Mar 2013)
PDQ LEASE REPORTS · FIRST MAY 2008 · 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.
12 months through Apr 2026 682 · prior 12 769(-11%)
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.
12 months through Apr 2026 3,920 · prior 12 9,173(-57%)
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.
- Mariner Energy, Inc.May 2008 → Nov 2010 · 31 mo
- Apache CorporationDec 2010 → Jul 2026 · 188 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
4
wells completed on the lease
- Producing
- 2
- Shut In
- 2
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-9-16632, documented in the API reference.