WELL · 42-473-31292 · DISTRICT 3
Sanford-Mariner #3
Waller County · Brookshire field · Shut IN · Directional
Sanford-Mariner #3 (API 42-473-31292) is a well in Waller County operated by Mag Exploration LLC, completed February 25, 2022 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued February 2, 2022, permitted to 5,200 ft.
It was permitted by Optimum Exploration LLC and has since transferred to Mag Exploration LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Miocene (undifferentiated), Catahoula, Frio, Caprock.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Optimum Exploration LLC; the EWA schedule now lists a different operator.
Dover, OK · P-5 Y, filed Dec 4, 2025 · (405) 747-4452
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mag Exploration LLC |
| Production reports | none |
| Latest permit | Optimum Exploration LLCFeb 2, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,200
- total depth, ft
- 1
- permits on file
- Feb 2, 2022
- last permit issued
- Feb 25, 2022
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 25, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
29.758731, -95.998418
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Waller County.
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sanford-Mariner O-3-27976 | Brookshire | Mag Exploration LLC | 1 | 0 | 0 | Feb 2022 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 876610-99 | Drill | Optimum Exploration LLC | Jan 28, 2022 | Feb 2, 2022 | Feb 8, 2022 | 5,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-27976 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 117 ft elevation.Download CSV →
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 740 | 12.25 | 480 S |
| 5.5 | 4,995 | 7.875 | 790 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 | Oct 14, 2022 | Jun 7, 2022 | Yes |
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 42-473-31292 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-473-31292 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Bains-Montgomery Unit #1242-473-31294
0.1 KM · Triangle Three Resources L.L.C. · Section with this well →
| Miocene (undifferentiated) | 1,100 | -970 |
| Catahoula | 2,501 | -2,371 |
| Frio | 4,135 | -4,005 |
| Caprock | — | |
| Yegua | — | |
| Wilcox | — |
LGB42-473-31295
0.7 KM · Triangle Three Resources L.L.C. · Section with this well →
| Miocene (undifferentiated) | 1,200 | -1,080 |
| Catahoula | 2,320 | -2,200 |
| Frio | 3,700 | -3,580 |
| Salt | 4,552 | -4,432 |
| Yegua | — | |
| Caprock | — | |
| Wilcox | — |
Mariner42-473-31290
0.8 KM · Optimum Exploration LLC · Section with this well →
| Miocene (undifferentiated) | 1,146 | -1,030 |
| Catahoula | 2,567 | -2,451 |
| Frio | 2,829 | -2,713 |
| Yegua | — | |
| Wilcox | — | |
| Caprock | — |
Whitt Bains42-473-30586
1.5 KM · J.C.W. Energy Ltd. · Section with this well →
| Catahoula | 2,400 | -2,285 |
| Frio | 2,600 | -2,485 |
| Frio | 2,700 | -2,585 |
Morgan42-473-31293
3.0 KM · Mvu Brazos Corp. · Section with this well →
| Miocene (undifferentiated) | 400 | -285 |
| Catahoula | 700 | -585 |
| Frio | 1,630 | -1,515 |
| Yegua | 6,062 | -5,947 |
| Sparta | 7,059 | -6,944 |
| Wilcox | 9,200 | -9,085 |
| Caprock | — |
Kgfcu (IV)42-473-30026
12.1 KM · Hilcorp Energy Company · Section with this well →
| McElroy | 5,284 | -5,266 |
| Yegua | 6,144 | -6,126 |
| Cook Mountain | 7,676 | -7,658 |
| Wilcox | 9,950 | -9,932 |
Kgfcu (IV)42-473-30424
13.2 KM · Hilcorp Energy Company · Section with this well →
| Top of Cockfield 1-B | 6,435 | -6,254 |
| Cockfield 1B | 6,435 | -6,254 |
| Top of Cockfield 2-B | 6,632 | -6,451 |
| Cockfield 2B | 6,632 | -6,451 |
| Top of COCKFIELD4-A | 7,170 | -6,989 |
| Cockfield 4A | 7,170 | -6,989 |
| Top of Cockfield 4-A | 7,170 | -6,989 |
Kgfcu (V)42-473-30388
14.3 KM · Hilcorp Energy Company · Section with this well →
| Cockfield | 6,238 | -6,072 |
| Cook Mountain | 7,538 | -7,372 |
| Wilcox | 10,048 | -9,882 |
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/47331292, documented in the API reference.