WELL · 42-179-31398 · DISTRICT 10
Duncan Sec. 135 #1
Gray County · Panhandle Gray County Field field · Vertical
Duncan Sec. 135 #1 (API 42-179-31398) is a well in Gray County operated by 6a Production, completed July 25, 1983.
The RRC has issued 2 drilling permits between 1983 and 1993, permitted to 3,600 ft.
It was permitted by Minco Oil & Gas CO. and has since transferred to 6a Production on the wellbore schedule.
Completion filings report 3 formation tops, including Panhandle Lime, Brown Dolomite, Granite Wash.
Its 2 leases have reported 5.48K barrels of oil and 156K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Minco Oil & Gas Co.; the EWA schedule now lists a different operator.
Pampa, TX · P-5 Y, filed Oct 4, 2025 · (806) 664-1675
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | 6A Production |
| Production reports | 6A Productionthrough Apr 2026 |
| Latest permit | Minco Oil & Gas Co.Feb 9, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,600
- total depth, ft
- 2
- permits on file
- Feb 9, 1993
- last permit issued
- Jul 25, 1983
- completed
- 5.48K
- cumulative oil, bbl
- 156K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 25, 1983
- 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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Duncan -135- G-14-149030 | Panhandle, West | 6A Production | 1 | 0 | 153K | Mar 1994 – Jul 2026 |
| Duncan Sec. 135 O-14-5567 | Panhandle Gray County Field | 6A Production | 2 | 5.48K | 2.89K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 994 · prior 12 2,723(-63%)
Oil, barrels lease total
Last 12 months 148 · prior 12 173(-14%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Minco Oil and Gas Co.Jan 1993 → Aug 2024
- 2Minco Oil and Gas Management,llcJul 2006 → Oct 2011
- 36A ProductionSep 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 403100-99 | Other | Minco Oil & Gas Co. | Sep 3, 1992 | Feb 9, 1993 | Feb 14, 1994 | 3,500 |
| 196276-99 | Drill | Mobil Producing TX. & N.M. Inc. | May 25, 1983 | May 25, 1983 | — | 3,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-149030 | — | — | — | — |
| — | — O-14-5567 | — | — | — | — |
| — | — O-14-5567 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,265 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Panhandle Lime | 1,910 | 1,355 |
| Brown Dolomite | 2,522 | 743 |
| Brown Dolomite | 2,560 | 705 |
| Granite Wash | 2,740 | 525 |
| Granite Wash | 2,764 | 501 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,522 | 2,740 | Perforated |
| 2,752 | 3,456 | Perforated |
| 2,782 | 3,456 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 639 | 12.25 | 450 S |
| 2.375 | 3,417 | — | — |
| 5.5 | 3,500 | 7.875 | 225 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 | Jun 29, 1994 | Apr 28, 1994 | — |
| 00 | Jun 14, 1994 | Apr 28, 1994 | Yes |
| 00 | Jun 9, 1994 | Jan 4, 1984 | — |
| 00 | May 9, 1994 | — | — |
| 00 | Jan 30, 1984 | Jan 4, 1984 | — |
| 00 | Jan 12, 1984 | Jan 4, 1984 | — |
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 42-179-31398 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-179-31398 → 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/17931398, documented in the API reference.