Petrora

LEASES · O-10-39750 · OIL · DISTRICT 08

Blalock A

Reporting

XTO Energy Inc. · Glasscock County · Spraberry (Trend Area) field

Blalock A is an RRC oil lease (O-10-39750) in Glasscock County operated by Xto Energy Inc., with 4 wells completed on it.

It has reported 102K barrels of oil and 480K mcf of gas since October 2009, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 1.2K barrels of oil, up 40% on the year before; the lease peaked at 3.21K barrels in May 2014.

4 operators have filed production on it, most recently Xto Energy Inc. since November 2014.

102K
bbl oil, all reported
480K
mcf gas incl. casinghead
1.2K
bbl oil, last 12 reported
+40%
vs the 12 before
4
wells completed on it
3.21K
peak month, bbl (May 2014)

PDQ LEASE REPORTS · FIRST OCT 2009 · 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 1,199 · prior 12 859(+40%)

01K2K3K2017201820192020202120222023202420252026

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 3,554 · prior 12 4,966(-28%)

02K4K6K2017201820192020202120222023202420252026

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. Piedra Operating, LLCOct 2009 → Feb 2011 · 17 mo
  2. Berry Oil Comp.Mar 2011 → Jun 2014 · 40 mo
  3. Linn Operating, Inc.Jul 2014 → Oct 2014 · 4 mo
  4. XTO Energy Inc.Nov 2014 → Jul 2026 · 141 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

4

wells completed on the lease

Plugged
2
Producing
1
Shut In
1

Operates them now

XTO Energy Inc.
4

Newest permits

All 4 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-10-39750, documented in the API reference.