Petrora

LEASES · O-10-9684 · OIL · DISTRICT 08

Block 31 Unit

No volume since Jul 2016

Hilcorp Energy Company · Crane County · Block 31 (Grayburg) field

Block 31 Unit is an RRC oil lease (O-10-9684) in Crane County operated by Hilcorp Energy Company, with 29 wells completed on it.

It has reported 93.7K barrels of oil and 8.31K mcf of gas since January 1993, last reporting volume in July 2016 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in July 2016.

5 operators have filed production on it, most recently Hilcorp Energy Company since May 2026.

93.7K
bbl oil, all reported
8.31K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
29
wells completed on it
3.31K
peak month, bbl (May 1993)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUL 2016 · 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 0 · prior 12 0

01002003002017201820192020202120222023202420252026

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

02004002017201820192020202120222023202420252026

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Arco Oil & Gas Co.Jan 1993 → May 1994 · 17 mo
  2. Arco PermianJun 1994 → Dec 2001 · 91 mo
  3. BP America Production CompanyJan 2002 → Oct 2010 · 106 mo
  4. OXY USA Inc.Nov 2010 → Apr 2026 · 186 mo
  5. Hilcorp Energy CompanyMay 2026 → Jul 2026 · 3 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

29

wells completed on the lease

Plugged
22
NO Type on File
6
Shut IN
1

Operates them now

Hilcorp Energy Company
24
OXY USA Inc.
3
Atlantic Richfield Co.
1
BP America Production Company
1

Newest permits

All 29 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-10-9684, documented in the API reference.