WELL · 42-503-39014 · DISTRICT 9
Mahler & Scott Unit #1
Young County · Swink East (Mississippian) field · Vertical
Mahler & Scott Unit #1 (API 42-503-39014) is a plugged well in Young County, plugged August 10, 2020, last operated by Mash Oilfield Services LP.
The RRC has issued one drilling permit, issued October 22, 1985, permitted to 5,500 ft.
It was permitted by Marbil Oil, Inc. and has since transferred to Mash Oilfield Services LP on the wellbore schedule.
Completion filings report 2 formation tops, including Caddo, Mississippian.
Its lease has reported 6.64K barrels of oil and 21 mcf of gas since January 1993, last reporting in December 2020.
Operator of record
Permitted by Marbil Oil, Inc.; the EWA schedule now lists a different operator.
Graham, TX · P-5 Y, filed May 4, 2026 · 1 permits on file · (940) 456-1223
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mash Oilfield Services LP |
| Production reports | Big Mountain Operating LLCthrough Sep 2019 |
| Latest permit | Marbil Oil, Inc.Oct 22, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,500
- total depth, ft
- 1
- permits on file
- Oct 22, 1985
- last permit issued
- Dec 7, 1985
- completed
- 6.64K
- cumulative oil, bbl
- 21
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2020
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 7, 1985
- Shut in
- —
- Plugged
- Aug 10, 2020
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 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 |
|---|---|---|---|---|---|---|
| Mahler & Scott Unit O-13-25835 | Swink, East (Mississippian) | Mash Oilfield Services, LP | 1 | 6.64K | 21 | Jan 1993 – Dec 2020 |
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.
- 1Marbil Oil, Inc.Jan 1993 → Jun 2013
- 2Marbil Oil, LLC.Jul 2013 → Sep 2018
- 3Big Mountain Operating LLCOct 2018 → Sep 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 287976-99 | Drill | Marbil Oil, Inc. | Dec 16, 1985 | Oct 22, 1985 | Nov 5, 1985 | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-25835 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,211 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CaddoCADDO LIME | 4,485 | -3,274 |
| MississippianMISSISSIPPI LIME | 4,972 | -3,761 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,972 | 4,992 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 114 | 12.25 | 75 S |
| 5.5 | 4,974 | 7.875 | 180 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 | Jan 8, 1986 | Dec 16, 1985 | Yes |
| 00 | Jan 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 42-503-39014 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-503-39014 → 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/50339014, documented in the API reference.