WELL · 42-383-35385 · DISTRICT 7
Sau Mariner 41-4 #4
Reagan County · Spraberry (Trend Area) field · Vertical
Sau Mariner 41-4 #4 (API 42-383-35385) is a plugged well in Reagan County, plugged August 6, 2021, last operated by Apache Corporation.
The RRC has issued one drilling permit, issued January 16, 2004, permitted to 8,350 ft.
It was permitted by Mariner Energy, Inc. and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 2 formation tops, including Spraberry, Dean.
Its lease has reported 94.5K barrels of oil and 816K mcf of gas since April 2004, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mariner Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 3, 2025
- Permits on file
- 9,756
- Phone
- (713) 954-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Apr 2020 |
| Latest permit | Mariner Energy, Inc.Jan 16, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,350
- total depth, ft
- 1
- permits on file
- Jan 16, 2004
- last permit issued
- Nov 11, 2017
- completed
- 94.5K
- cumulative oil, bbl
- 816K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 11, 2017
- Shut in
- —
- Plugged
- Aug 6, 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 lease this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sau Mariner 41-4 O-9-15531 | Spraberry (Trend Area) | Apache Corporation | 4 | 94.5K | 816K | Apr 2004 – Jul 2026 |
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.
- 1Mariner Energy, Inc.May 2004 → Nov 2010
- 2Apache CorporationDec 2010 → Dec 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 540828-99 | Drill | Mariner Energy, Inc. | Jan 16, 2004 | Jan 16, 2004 | Apr 10, 2004 | 8,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-15531 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,664 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,492 | 6,656 | Perforated |
| 7,068 | 7,448 | Perforated |
| 7,853 | 8,082 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 520 | 11 | 165 S |
| 4.5 | 8,210 | 7.875 | 1,110 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 | Apr 8, 2020 | Mar 21, 2020 | — |
| 00 | Aug 9, 2004 | May 25, 2004 | Yes |
| 00 | Jun 30, 2004 | — | — |
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 42-383-35385 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-35385 → 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/38335385, documented in the API reference.