WELL · 42-435-33367 · DISTRICT 7
Allison 72 #4
Sutton County · Sawyer (Canyon) field · Vertical
Allison 72 #4 (API 42-435-33367) is a plugged well in Sutton County, plugged May 20, 2004, last operated by Reliance Energy Inc..
The RRC has issued one drilling permit, issued August 14, 1987, permitted to 6,000 ft.
It was permitted by Grover Oil Company and has since transferred to Reliance Energy Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Base Cretaceous (marker), Wolfcamp, Canyon.
Operator of record
Permitted by Grover Oil Company; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed Mar 4, 2026 · 639 permits on file · (432) 689-0093
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Reliance Energy Inc. |
| Production reports | Reliance Energy, Inc.through Jan 2004 |
| Latest permit | Grover Oil CompanyAug 14, 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
- Aug 14, 1987
- last permit issued
- Oct 23, 1987
- completed
- 0
- cumulative oil, bbl
- 67.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2004
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 23, 1987
- Shut in
- —
- Plugged
- May 20, 2004
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Allison 72 G-9-125857 | Sawyer (Canyon) | Reliance Energy, Inc. | 1 | 0 | 67.4K | Jan 1993 – May 2004 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Grover-McKinney Oil CompanyJan 1993 → Feb 1995
- 2Reliance Operating CompanyMar 1995 → Feb 2000
- 3Reliance Energy, Inc.Mar 2000 → Jan 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 334403-99 | Drill | Grover Oil Company | Aug 12, 1987 | Aug 14, 1987 | — | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-125857 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,232 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE OF CRETACEOUS | 870 | 1,362 |
| Wolfcamp | 3,634 | -1,402 |
| WolfcampBASE OF WOLFCAMP | 3,978 | -1,746 |
| Canyon | 5,002 | -2,770 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,053 | 5,159 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,247 | 12.25 | 350 S |
| 4.5 | 5,832 | 7.875 | 300 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 18, 1988 | Dec 8, 1987 | Yes |
| 00 | Jan 8, 1988 | — | — |
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.
- Wellbore filings for 42-435-33367 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-33367 → scanned completion filings
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/43533367, documented in the API reference.