WELL · 42-435-33324 · DISTRICT 7

Allison 72 #7203

Y

Sutton County · Sawyer (Canyon) field · Producing  · Vertical

Allison 72 #7203 (API 42-435-33324) is a well in Sutton County operated by Blackstone Energy Services LLC, completed March 13, 1987 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 19, 1987, permitted to 6,000 ft.

It was permitted by Grover Oil Company and has since transferred to Blackstone Energy Services LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Base Cretaceous (marker), Wolfcamp, Canyon.

No lease production has been reported under this well’s leases.

Operator of record

Blackstone Energy Services LLC

Permitted by Grover Oil Company; the EWA schedule now lists a different operator.

Christoval, TX · P-5 Y, filed Jul 4, 2026 · (325) 650-5961

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBlackstone Energy Services LLC
Production reportsBlackstone Energy Services LLCthrough Feb 2026
Latest permitGrover Oil CompanyJan 19, 1987

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

6,000
total depth, ft
1
permits on file
Jan 19, 1987
last permit issued
Mar 13, 1987
completed
0
cumulative oil, bbl
249K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 13, 1987
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Allison 72 G-9-123838Sawyer (Canyon)Blackstone Energy Services LLC10249KJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 316 · prior 12 289(+9%)

050100150202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Grover-McKinney Oil CompanyJan 1993 → Feb 1995
  2. 2Reliance Operating CompanyMar 1995 → Feb 2000
  3. 3Reliance Energy, Inc.Mar 2000 → Jul 2018
  4. 4Thomas Oil and Gas Inc.Aug 2018 → Aug 2018
  5. 5BRP Energy, LLCSep 2018 → Sep 2021
  6. 6Blackstone Energy Services LLCOct 2021 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
325026-99DrillGrover Oil CompanyJan 2, 1987Jan 19, 1987—6,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-123838————

Formation tops

As filed on W-2/G-1. Subsea from 2,243 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE OF CRETACEOUS8281,415
WolfcampTOP OF WOLFCAMP3,653-1,410
WolfcampBASE OF WOLFCAMP3,981-1,738
CanyonTOP OF CANYON5,070-2,827

Perforations

Perforated and open-hole intervals.

FromToType
5,0815,135Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,19712.25450 S
4.55,9817.875325 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00May 6, 1987Apr 15, 1987Yes
00May 5, 1987——

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/43533324, documented in the API reference.