LEASES · O-11-8550 · OIL · DISTRICT 8A

Dean, Carrie S. "B"

Reporting

Estancia Oil & Gas, LLC · Lamesa, East (Spraberry) field

Dean, Carrie S. "B" is an RRC oil lease (O-11-8550) in the Lamesa, East (Spraberry) field operated by Estancia Oil & Gas, LLC, with 2 wells completed on it.

It has reported 185K barrels of oil and 22 mcf of gas since January 1993, last reporting volume in March 2026 (statewide data runs through April 2026).

The last 12 reported months total 2.53K barrels of oil, down 34% on the year before; the lease peaked at 1.58K barrels in December 1998.

6 operators have filed production on it, most recently Estancia Oil & Gas, LLC since January 2011.

185K
bbl oil, all reported
22
mcf gas incl. casinghead
2.53K
bbl oil, last 12 reported
-34%
vs the 12 before
2
wells completed on it
1.58K
peak month, bbl (Dec 1998)

PDQ LEASE REPORTS · FIRST JAN 1993 · 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 2,532 · prior 12 3,826(-34%)

02004006002017201820192020202120222023202420252026

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

012017201820192020202120222023202420252026

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. American Cometra, Inc.Jan 1993 → Feb 1997 · 50 mo
  2. Lomak Production CompanyMar 1997 → Aug 1998 · 18 mo
  3. Range Production CompanySep 1998 → Oct 2001 · 38 mo
  4. Honeck Oil CompanyNov 2001 → Apr 2007 · 66 mo
  5. Honeck Oil Company, LPMay 2007 → Dec 2010 · 44 mo
  6. Estancia Oil & Gas, LLCJan 2011 → Jul 2026 · 187 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Plugged
1
Producing
1

Operates them now

Newest permits

  • — #1—
  • — #2D—

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-11-8550, documented in the API reference.