WELL · 42-383-35492 · DISTRICT 7

Sau Mariner 31-2A #2A

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Reagan County · Spraberry (Trend Area) field  · Vertical

Sau Mariner 31-2a #2A (API 42-383-35492) is a well in Reagan County operated by Mariner Energy Inc., completed March 18, 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 74.2K barrels of oil and 617K mcf of gas since March 2005, last reporting in July 2026. The leases carry 4 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 2020
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
Mar 18, 2005
completed
74.2K
cumulative oil, bbl
617K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 18, 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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sau Mariner 31-2 O-9-15697Spraberry (Trend Area)Apache Corporation364.4K586KMar 2005 – Jul 2026
Sau Mariner 31-2A O-9-15688Spraberry (Trend Area)Mariner Energy, Inc.19.8K31.5KMar 2005 – Oct 2006

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.Mar 2005 → Nov 2010
  2. 2Apache CorporationDec 2010 → Apr 2020

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
552903-99DrillMariner Energy, Inc.Oct 27, 2004Nov 23, 2004Feb 21, 20058,350

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-15688————
—— O-9-15697————

Formation tops

As filed on W-2/G-1. Subsea from 2,665 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryUPPER SPRABERRY6,539-3,874
SpraberryLOWER SPRABERRY7,111-4,446
Dean7,935-5,270

Perforations

Perforated and open-hole intervals.

FromToType
6,5396,714Perforated
7,1117,520Perforated
7,9358,154Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62546512.25300 S
4.58,3267.8751,110 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, 2006Apr 7, 2005Yes
00Jun 30, 2005Apr 7, 2005Yes
00Apr 18, 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/38335492, documented in the API reference.