TEXAS · WELLS · REAGAN COUNTY · SAU MARINER 40-1B LEASE · API 42-383-35400 · DISTRICT 6E
Sau Mariner 40-1B #1B
Reagan County · Spraberry (Trend Area) field · Shut In · Vertical
Sau Mariner 40-1b #1B (API 42-383-35400) is a well in Reagan County operated by Apache Corporation, completed June 2, 2004 and listed as shut in on the RRC schedule, shut in December 1, 2019.
The RRC has issued one drilling permit, issued February 18, 2004, permitted to 8,300 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 17.9K barrels of oil and 149K mcf of gas since June 2004, with no volume in the three years through August 2026.
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
- 9,758
- Phone
- (713) 954-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Dec 2019 |
| Latest permit | Mariner Energy, Inc.Feb 18, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,300
- total depth, ft
- 1
- permits on file
- Feb 18, 2004
- last permit issued
- Jun 2, 2004
- completed
- 17.9K
- cumulative oil, bbl
- 149K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · JUN 2004 THROUGH DEC 2019
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 2, 2004
- Shut in
- Dec 1, 2019
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sau Mariner 40-1B O-9-15532 | Spraberry (Trend Area) | Apache Corporation | 1 | 17.9K | 149K | Jun 2004 – Dec 2019 |
No volumes reported on these leases in the last three years.
Wells named Sau Mariner 40-1B
Apache Corporation's other wells filed under this lease name in Reagan County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Mariner Energy, Inc.Jun 2004 → Nov 2010
- 2Apache CorporationDec 2010 → Nov 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 541077-99 | Drill | Mariner Energy, Inc. | Jan 22, 2004 | Feb 18, 2004 | May 5, 2004 | 8,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 2, 2004 | Sau Mariner 40-1B O-9-15532 | Spraberry (Trend Area) | Apache Corporation | Shut In · shut in Dec 1, 2019 | 8,300 |
Formation tops
As filed on W-2/G-1. Subsea from 2,672 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,385 | 6,534 | Perforated |
| 6,954 | 7,348 | Perforated |
| 7,761 | 8,011 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 530 | 11 | 165 S |
| 4.5 | 8,236 | 7.875 | 1,210 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 11, 2004 | Jun 23, 2004 | Yes |
| 00 | Jul 12, 2004 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-383-35400 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-35400 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/38335400, documented in the API reference.