WELL · 42-081-31667 · DISTRICT 7
Chadbourne Ranch 431 -A- #18
Coke County · Fort Chadbourne (Gardner) field · Vertical
Chadbourne Ranch 431 -A- #18 (API 42-081-31667) is a plugged well in Coke County, plugged December 9, 2003, last operated by Westport Oil And Gas Company LP.
The RRC has issued one drilling permit (amended once), issued February 1, 1995, permitted to 6,000 ft.
It was permitted by Coda Energy, Inc. and has since transferred to Westport Oil And Gas Company LP on the wellbore schedule.
Completion filings report 3 formation tops, including Goen Lime, Gardner Lime, Odom Lime.
Its lease has reported 260 barrels of oil since June 1995, last reporting in January 2004.
Operator of record
Westport Oil and Gas Company LP
Permitted by Coda Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- The Woodlands, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Dec 27, 2005
- Permits on file
- 217
- Phone
- (214) 692-1800
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Westport Oil and Gas Company LP |
| Production reports | Coda Energy, Inc.through Nov 1996 |
| Latest permit | Coda Energy, Inc.Feb 1, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,000
- total depth, ft
- 2
- permits on file
- Feb 1, 1995
- last permit issued
- Jun 14, 1995
- completed
- 260
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1995 THROUGH Jan 2004
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 14, 1995
- Shut in
- —
- Plugged
- Dec 9, 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chadbourne Ranch 431 -A- O-9-14349 | Fort Chadbourne (Gardner) | Westport Oil and Gas Company, LP | 1 | 260 | 0 | Jun 1995 – Jan 2004 |
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.
- 1Coda Energy, Inc.Feb 1996 → Nov 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 432313-98 | Drill | Coda Energy, Inc. | Apr 21, 1995 | Feb 1, 1995 | Feb 16, 1995 | 6,000 |
| 432313-99 | Drill | Coda Energy, Inc. | Jan 27, 1995 | Feb 1, 1995 | — | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-14349 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,020 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Goen Lime | 5,077 | -3,057 |
| Gardner Lime | 5,354 | -3,334 |
| Odom Lime | 5,560 | -3,540 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,376 | 5,384 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 318 | 17.5 | 400 S |
| 8.625 | 2,736 | 11 | 850 S |
| 5.5 | 5,698 | 7.875 | 610 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 | Apr 22, 1996 | Mar 20, 1996 | Yes |
| 00 | Apr 1, 1996 | — | — |
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 42-081-31667 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-081-31667 → 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/08131667, documented in the API reference.