WELL · 42-081-31561 · DISTRICT 7
Chadbourne Ranch 431 -A- #2
Coke County · Fort Chadbourne field · Vertical
Chadbourne Ranch 431 -A- #2 (API 42-081-31561) is a plugged well in Coke County, plugged December 2, 2003, last operated by Kerr-Mcgee Oil & Gas Onshore LP.
The RRC has issued one drilling permit, issued March 18, 1991, permitted to 5,900 ft.
It was permitted by Wagman Petroleum, Inc. and has since transferred to Kerr-Mcgee Oil & Gas Onshore LP on the wellbore schedule.
Completion filings report 4 formation tops, including Jennings Sand, Gardner Lime, Gardner Sand, Odom.
Its lease has reported 24.3K barrels of oil and 49.2K mcf of gas since January 1993, last reporting in May 2006. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Kerr-McGee Oil & Gas Onshore LP
Permitted by Wagman Petroleum, Inc.; 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 Nov 2000 |
| Latest permit | Wagman Petroleum, Inc.Mar 18, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,900
- total depth, ft
- 1
- permits on file
- Mar 18, 1991
- last permit issued
- Apr 17, 1991
- completed
- 24.3K
- cumulative oil, bbl
- 49.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2006
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 17, 1991
- Shut in
- —
- Plugged
- Dec 2, 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 lease this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chadbourne Ranch 431 -A- O-9-12984 | Fort Chadbourne | Kerr-McGee Oil & Gas Onshore LP | 4 | 24.3K | 49.2K | Jan 1993 – May 2006 |
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.
- 1Wagman Petroleum, Inc.Jan 1993 → May 1998
- 2Belco Energy Corp.Apr 1999 → Nov 2000
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 385849-99 | Drill | Wagman Petroleum, Inc. | Mar 18, 1991 | Mar 18, 1991 | Mar 20, 1991 | 5,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-12984 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,009 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Jennings Sand | 5,312 | -3,303 |
| Gardner Lime | 5,340 | -3,331 |
| Gardner Sand | 5,410 | -3,401 |
| Odom | 5,532 | -3,523 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,540 | 5,544 | Perforated |
| 5,549 | 5,563 | Perforated |
| 5,568 | 5,574 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 355 | 11 | 250 S |
| 5 | 5,613 | 7.875 | 320 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 4, 1991 | May 10, 1991 | Yes |
| 00 | May 22, 1991 | — | — |
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 42-081-31561 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-081-31561 → 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/08131561, documented in the API reference.