WELL · 42-383-35458 · DISTRICT 7
Sau 42-4 #4B
Reagan County · Spraberry (Trend Area) field · Vertical
Sau 42-4 #4B (API 42-383-35458) is a plugged well in Reagan County, plugged April 7, 2021, last operated by Apache Corporation.
The RRC has issued one drilling permit, issued September 10, 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 184K barrels of oil and 989K mcf of gas since October 1993, last reporting in July 2026. The lease carries 5 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 2026 |
| Latest permit | Mariner Energy, Inc.Sep 10, 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
- Sep 10, 2004
- last permit issued
- Dec 15, 2004
- completed
- 184K
- cumulative oil, bbl
- 989K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 15, 2004
- Shut in
- —
- Plugged
- Apr 7, 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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sau 42-4 O-9-13534 | Spraberry (Trend Area) | Apache Corporation | 5 | 184K | 989K | Oct 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 919 · prior 12 878(+5%)
Gas, mcf lease total
Last 12 months 5,666 · prior 12 7,378(-23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hardy Oil & Gas USA Inc.Oct 1993 → Jun 1996
- 2Mariner Energy, Inc.Jul 1996 → Nov 2010
- 3Apache CorporationDec 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 549477-99 | Drill | Mariner Energy, Inc. | Aug 11, 2004 | Sep 10, 2004 | — | 8,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 15, 2004 | Sau 42-4 O-9-13534 | Spraberry (Trend Area) | Apache Corporation | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,666 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,530 | 6,705 | Perforated |
| 7,102 | 7,515 | Perforated |
| 7,925 | 8,142 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 499 | 12.25 | 325 S |
| 4.5 | 8,300 | 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 | Mar 30, 2005 | Jan 13, 2005 | Yes |
| 00 | Jan 25, 2005 | — | — |
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 42-383-35458 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-35458 → 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/38335458, documented in the API reference.