Petrora

LEASES · O-4-13800 · OIL · DISTRICT 04

Lopez

Reporting

Rattlesnake Operating Co, LLC · Duval County and Webb · Lopez, North (Lopez) field

Lopez is an RRC oil lease (O-4-13800) in Duval County operated by Rattlesnake Operating CO, LLC, with 2 wells completed on it.

It has reported 22.4K barrels of oil since June 2013, last reporting volume in March 2026 (statewide data runs through April 2026).

The last 12 reported months total 199 barrels of oil, down 70% on the year before; the lease peaked at 534 barrels in July 2013.

4 operators have filed production on it, most recently Rattlesnake Operating CO, LLC since October 2025.

22.4K
bbl oil, all reported
0
mcf gas incl. casinghead
199
bbl oil, last 12 reported
-70%
vs the 12 before
2
wells completed on it
534
peak month, bbl (Jul 2013)

PDQ LEASE REPORTS · FIRST JUN 2013 · LAST VOLUME MAR 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 199 · prior 12 656(-70%)

02004002017201820192020202120222023202420252026

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.

  1. Sanchez Oil & Gas CorporationJun 2013 → Mar 2016 · 34 mo
  2. Dallas Petroleum Group, LLCApr 2016 → May 2023 · 86 mo
  3. Jalapeno Operating Company, LLCJun 2023 → Sep 2025 · 28 mo
  4. Rattlesnake Operating Co, LLCOct 2025 → Jul 2026 · 10 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Producing
2

Operates them now

Rattlesnake Operating Co LLC
2

Newest permits

All 2 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.

Developers: this page as JSON is GET /v1/data/leases/tx/o-4-13800, documented in the API reference.