LEASES · O-4-13410 · OIL · DISTRICT 04
Chapman
ReportingSun Exploration, Inc. · Nueces County · Chapman Ranch (Upper Frio Cons.) field
Chapman is an RRC oil lease (O-4-13410) in Nueces County operated by Sun Exploration, Inc., with 6 wells completed on it.
It has reported 177K barrels of oil and 22.3K mcf of gas since November 2006, last reporting volume in January 2026 (statewide data runs through April 2026).
The last 12 reported months total 10 barrels of oil; the lease peaked at 5.55K barrels in July 2011.
3 operators have filed production on it, most recently Sun Exploration, Inc. since October 2019.
- 177K
- bbl oil, all reported
- 22.3K
- mcf gas incl. casinghead
- 10
- bbl oil, last 12 reported
- —
- vs the 12 before
- 6
- wells completed on it
- 5.55K
- peak month, bbl (Jul 2011)
PDQ LEASE REPORTS · FIRST NOV 2006 · LAST VOLUME JAN 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 10 · prior 12 83(-88%)
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 0 · prior 12 0
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.
- Carter Exploration CompanyNov 2006 → May 2014 · 91 mo
- Magnum Producing, LPJun 2014 → Sep 2019 · 64 mo
- Sun Exploration, Inc.Oct 2019 → Jul 2026 · 82 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
6
wells completed on the lease
- Producing
- 3
- NO Type on File
- 2
- Plugged
- 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-4-13410, documented in the API reference.