WELL · 42-047-31500 · DISTRICT 4
State-Marshall #45
Brooks County · Kelsey Deep (Zone 22) field · Vertical
State-Marshall #45 (API 42-047-31500) is a well in Brooks County operated by Mobil Producing TX. & N.M. Inc., completed October 20, 1986.
The RRC has issued 3 drilling permits (amended twice) between 1986 and 1989, permitted to 7,500 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Catahoula, Vicksburg.
No lease production has been reported under this well’s leases.
Operator of record
Mobil Producing TX. & N.M. Inc.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 4, 2025
- Permits on file
- 6,763
- Phone
- (346) 474-9142
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mobil Producing TX. & N.M. Inc. |
| Production reports | Overton Park Oil & Gas LPthrough Feb 2024 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Dec 15, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 5
- permits on file
- Dec 15, 1989
- last permit issued
- Oct 20, 1986
- completed
- 0
- cumulative oil, bbl
- 431K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 20, 1986
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| State-Marshall G-4-125690 | Kelsey (Frio Consol.) | Overton Park Oil & Gas LP | 1 | 0 | 431K | Jan 1993 – Jul 2026 |
| State-Marshall G-4-133959 | Kelsey, Deep (Zone 19-H) | Overton Park Oil & Gas LP | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mobil Producing TX. & N.M. Inc.Jan 1993 → Mar 1996
- 2Oil Well Buyers Corp.Jul 1999 → Jan 2000
- 3Acock Engineering & Assoc., Inc.Feb 2000 → Jan 2002
- 4Overton Park Oil & Gas LPJul 2019 → Feb 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 367681-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Dec 15, 1989 | Dec 15, 1989 | — | 7,000 |
| 331117-98 | Recompletion | Mobil Producing TX. & N.M. Inc. | Aug 5, 1987 | Jun 4, 1987 | — | 7,000 |
| 331117-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Jun 3, 1987 | Jun 4, 1987 | — | 7,000 |
| 303646-98 | Drill | Mobil Producing TX. & N.M. Inc. | Oct 1, 1986 | Jun 27, 1986 | — | 7,500 |
| 303646-99 | Drill | Mobil Producing TX. & N.M. Inc. | Jun 26, 1986 | Jun 27, 1986 | Jul 11, 1986 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-125690 | — | — | — | — |
| — | — G-4-133959 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 12 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE-LAGAR-TO-OAKVILLE | 1,100 | -1,088 |
| CatahoulaCATAHOULA-ANAHUAC | 2,450 | -2,438 |
| Vicksburg | 4,100 | -4,088 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,981 | 5,993 | Perforated |
| 6,582 | 6,594 | Perforated |
| 6,594 | 6,641 | Perforated |
| 6,609 | 6,619 | Perforated |
| 6,634 | 6,641 | Perforated |
| 6,950 | 6,960 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,600 | 12.25 | 755 S |
| 8.625 | 1,600 | — | 755 S |
| 5.5 | 5,823 | — | — |
| 5.5 | 6,998 | 7.875 | 750 S |
| 5.5 | 6,998 | — | 750 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 | Sep 20, 2019 | Sep 18, 2019 | — |
| 00 | May 4, 1990 | Feb 15, 1990 | Yes |
| 00 | Apr 28, 1990 | — | — |
| 00 | Apr 23, 1990 | Feb 15, 1990 | Yes |
| 00 | Dec 9, 1987 | Jul 14, 1987 | Yes |
| 00 | Dec 2, 1987 | — | — |
| 00 | Dec 10, 1986 | Nov 5, 1986 | Yes |
| 00 | Dec 1, 1986 | — | — |
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 42-047-31500 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-047-31500 → 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.
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/04731500, documented in the API reference.