WELL · 42-383-35490 · DISTRICT 7

Sau Mariner 30-4B #4 B

N

Reagan County · Spraberry (Trend Area) field  · Vertical

Sau Mariner 30-4b #4 B (API 42-383-35490) is a well in Reagan County operated by Mariner Energy Inc., completed May 6, 2005.

The RRC has issued one drilling permit, issued November 23, 2004, permitted to 8,350 ft.

Completion filings report 2 formation tops, including Spraberry, Dean.

Its 2 leases have reported 85.2K barrels of oil and 408K mcf of gas since April 2005, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

Mariner Energy Inc.

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 scheduleMariner Energy Inc.
Production reportsApache Corporationthrough Apr 2026
Latest permitMariner Energy, Inc.Nov 23, 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
Nov 23, 2004
last permit issued
May 6, 2005
completed
85.2K
cumulative oil, bbl
408K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 6, 2005
Shut in
—
Plugged
—

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 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sau Mariner 30-4A O-9-15736Spraberry (Trend Area)Apache Corporation276.9K386KMay 2005 – Jul 2026
Sau Mariner 30-4B O-9-15755Spraberry (Trend Area)Mariner Energy, Inc.18.29K21.3KApr 2005 – Jul 2006

Oil, barrels lease total

Last 12 months 508 · prior 12 903(-44%)

050100150202420252026

Gas, mcf lease total

Last 12 months 1,199 · prior 12 4,246(-72%)

05001K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Mariner Energy, Inc.May 2005 → Nov 2010
  2. 2Apache CorporationDec 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
552895-99DrillMariner Energy, Inc.Oct 27, 2004Nov 23, 2004Apr 13, 20058,350

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-15736————
—— O-9-15755————

Formation tops

As filed on W-2/G-1. Subsea from 2,659 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryUPPER SPRABERRY6,591-3,932
SpraberryLOWER SPRABERRY7,167-4,508
Dean7,993-5,334

Perforations

Perforated and open-hole intervals.

FromToType
6,5916,757Perforated
7,1677,579Perforated
7,9938,219Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62546812.25325 S
4.58,3577.8751,110 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
00Apr 12, 2006May 25, 2005Yes
00Oct 5, 2005May 25, 2005Yes
00Aug 3, 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.

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/38335490, documented in the API reference.