WELL · 42-383-35619 · DISTRICT 7

Sau Mariner 41-4 #4B

Shut in

Reagan County · Spraberry (Trend Area) field · Shut IN  · Vertical

Sau Mariner 41-4 #4B (API 42-383-35619) is a well in Reagan County operated by Apache Corporation, completed January 13, 2006 and listed as shut in on the RRC schedule, shut in May 1, 2020.

The RRC has issued one drilling permit, issued November 14, 2005, permitted to 8,242 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

Apache Corporation

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 scheduleApache Corporation
Production reportsApache Corporationthrough Apr 2020
Latest permitMariner Energy, Inc.Nov 14, 2005

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

8,242
total depth, ft
1
permits on file
Nov 14, 2005
last permit issued
Jan 13, 2006
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
ON SCHEDULE
Completed
Jan 13, 2006
Shut in
May 1, 2020
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sau Mariner 41-4 O-9-15531Spraberry (Trend Area)Apache Corporation494.5K816KApr 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.

  1. 1Mariner Energy, Inc.May 2004 → Nov 2010
  2. 2Apache CorporationDec 2010 → Dec 2019

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
608177-99DrillMariner Energy, Inc.Oct 19, 2005Nov 14, 2005Dec 17, 20058,450

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 13, 2006Sau Mariner 41-4 O-9-15531Spraberry (Trend Area)Apache CorporationShut IN · shut in May 1, 20208,242

Formation tops

As filed on W-2/G-1. Subsea from 2,662 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryUPPER SPRABERRY6,488-3,826
SpraberryLOWER SPRABERRY7,055-4,393
Dean7,877-5,215

Perforations

Perforated and open-hole intervals.

FromToType
6,4886,646Perforated
7,0557,457Perforated
7,8778,083Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62550011300 S
4.58,2427.8751,110 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jun 8, 2006Feb 10, 2006Yes
00Feb 23, 2006——

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) 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/38335619, documented in the API reference.