WELL · 42-081-31408 · DISTRICT 7
Wolcott 431 #1A
Coke County · Fort Chadbourne field · Vertical
Wolcott 431 #1A (API 42-081-31408) is a plugged well in Coke County, plugged December 17, 2003, last operated by Kerr-Mcgee Oil & Gas Onshore LP.
The RRC has issued 2 drilling permits between 1986 and 1992, permitted to 5,680 ft.
It was permitted by Adams Branch Exploration Company and has since transferred to Kerr-Mcgee Oil & Gas Onshore LP on the wellbore schedule.
Completion filings report 11 formation tops, including Coleman Junction, Top Flippen Sand, Cisco, Canyon.
Its 2 leases have reported 17.4K barrels of oil and 12.7K mcf of gas since January 1993, last reporting in May 2006. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Kerr-McGee Oil & Gas Onshore LP
Permitted by Adams Branch Exploration Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Oct 4, 2025 · 234 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Kerr-McGee Oil & Gas Onshore LP |
| Production reports | Belco Energy Corp.through Feb 2002 |
| Latest permit | Adams Branch Exploration CompanyJul 27, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,680
- total depth, ft
- 2
- permits on file
- Jul 27, 1992
- last permit issued
- Sep 1, 1992
- completed
- 17.4K
- cumulative oil, bbl
- 12.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2006
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 1, 1992
- Shut in
- —
- Plugged
- Dec 17, 2003
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 |
|---|---|---|---|---|---|---|
| Wolcott 431 O-9-13322 | Fort Chadbourne | Kerr-McGee Oil & Gas Onshore LP | 1 | 17.4K | 12.7K | Jan 1993 – May 2006 |
| Chadbourne Ranch 431 O-9-12013 | Conda (Flippen) | Adams Branch Exploration Company | 1 | 0 | 0 | Jan 1993 – May 1995 |
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.
- 1MJM Oil & Gas, Inc.Jan 1993 → Dec 1993
- 2Coda Energy, Inc.Jan 1994 → Aug 1998
- 3Belco Energy Corp.Sep 1998 → Oct 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 401265-99 | Recompletion | Adams Branch Exploration Company | Jul 16, 1992 | Jul 27, 1992 | Jul 30, 1992 | 5,680 |
| 304110-99 | Drill | Wolcott, Ed Operating | Jul 31, 1986 | Jul 14, 1986 | — | 5,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-12013 | — | — | — | — |
| — | — O-9-13322 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,030 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Coleman Junction | 2,270 | -240 |
| Top Flippen Sand | 3,196 | -1,166 |
| CiscoTOP CISCO REEF | 3,300 | -1,270 |
| Canyon | 3,690 | -1,660 |
| Palo PintoBASE PALO PINTO | 4,820 | -2,790 |
| Strawn | 4,875 | -2,845 |
| Goen | 5,100 | -3,070 |
| Top Goen Reef | 5,100 | -3,070 |
| Top Gardner Lime | 5,350 | -3,320 |
| Odom | 5,556 | -3,526 |
| Top Odom | 5,560 | -3,530 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,200 | 3,204 | Perforated |
| 5,575 | 5,583 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 395 | 13.75 | 250 S |
| 5.5 | 3,357 | 8.75 | 850 S |
| 3.5 | 5,594 | 8.75 | 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Nov 20, 1992 | Sep 16, 1992 | Yes |
| 00 | Oct 2, 1992 | Sep 3, 1986 | Yes |
| 00 | Sep 23, 1986 | Sep 3, 1986 | Yes |
| 00 | Sep 20, 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 42-081-31408 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-081-31408 → 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/08131408, documented in the API reference.