WELL · 42-383-34084 · DISTRICT 7
Sau Mariner 1-4 #4
Reagan County · Spraberry (Trend Area) field · Vertical
Sau Mariner 1-4 #4 (API 42-383-34084) is a plugged well in Reagan County, plugged December 9, 2021, last operated by Mariner Energy Inc..
The RRC has issued one drilling permit, issued January 10, 1991, permitted to 8,400 ft.
It was permitted by Hardy Oil & Gas USA Inc. and has since transferred to Mariner Energy Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Spraberry, Up Spraberry, Lo Spraberry, Dean.
Its 2 leases have reported 202K barrels of oil and 1.35M mcf of gas since January 1993, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Hardy Oil & Gas USA Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 4, 2026 · 1,098 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mariner Energy Inc. |
| Production reports | Apache Corporationthrough Apr 2026 |
| Latest permit | Hardy Oil & Gas USA Inc.Jan 10, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,400
- total depth, ft
- 1
- permits on file
- Jan 10, 1991
- last permit issued
- Mar 7, 1991
- completed
- 202K
- cumulative oil, bbl
- 1.35M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 7, 1991
- Shut in
- —
- Plugged
- Dec 9, 2021
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 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sau 1-3 O-9-12970 | Spraberry (Trend Area) | Apache Corporation | 8 | 174K | 1.16M | Jan 1993 – Jul 2026 |
| Sau Mariner 1-4 O-9-13003 | Spraberry (Trend Area) | Mariner Energy, Inc. | 1 | 27.5K | 197K | Jan 1993 – Oct 2005 |
Oil, barrels lease total
Last 12 months 2,168 · prior 12 415(+422%)
Gas, mcf lease total
Last 12 months 115 · prior 12 1,691(-93%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hardy Oil & Gas USA Inc.Jan 1993 → Jun 1996
- 2Mariner Energy, Inc.Jul 1996 → Nov 2010
- 3Apache CorporationDec 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 383267-99 | Drill | Hardy Oil & Gas USA Inc. | Jan 10, 1991 | Jan 10, 1991 | Feb 4, 1991 | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-12970 | — | — | — | — |
| — | — O-9-13003 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,652 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,399 | 6,721 | Perforated |
| 7,011 | 7,374 | Perforated |
| 7,764 | 8,013 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 497 | 12.25 | 325 S |
| 5.5 | 8,065 | 7.875 | 870 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 8, 2020 | Dec 31, 2019 | — |
| 00 | Aug 29, 2005 | Mar 12, 1991 | Yes |
| 00 | Apr 2, 1991 | Mar 12, 1991 | Yes |
| 00 | Mar 13, 1991 | — | — |
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 42-383-34084 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-34084 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/38334084, documented in the API reference.