WELL · 42-423-31456 · DISTRICT 6
Cobb #3
Smith County · Chapel Hill (5700) field · Vertical
Cobb #3 (API 42-423-31456) is a plugged well in Smith County, plugged March 27, 2001, last operated by Thomas Operating Ltd. CO..
The RRC has issued one drilling permit (amended once), issued September 13, 1995, permitted to 7,800 ft.
It was permitted by Thomas, B. K. and has since transferred to Thomas Operating Ltd. CO. on the wellbore schedule.
Completion filings report 4 formation tops, including Pecan Gap, Austin Chalk, Woodbine, Paluxy.
Operator of record
Permitted by Thomas, B. K.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Sep 4, 2025 · 8 permits on file · (214) 708-3047
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Thomas Operating Ltd. Co. |
| Production reports | none |
| Latest permit | Thomas, B. K.Sep 13, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,800
- total depth, ft
- 2
- permits on file
- Sep 13, 1995
- last permit issued
- Oct 31, 1995
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1995 THROUGH Apr 2001
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 31, 1995
- Shut in
- —
- Plugged
- Mar 27, 2001
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 |
|---|---|---|---|---|---|---|
| Cobb O-6-13636 | Chapel Hill (5700) | Thomas Operating Ltd. Co. | 1 | 0 | 0 | Oct 1995 – Apr 2001 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 439758-98 | Drill | Thomas, B. K. | Oct 25, 1995 | Sep 13, 1995 | — | 5,953 |
| 439758-99 | Drill | Thomas, B. K. | Sep 11, 1995 | Sep 13, 1995 | Oct 12, 1995 | 7,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-6-13636 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 407 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 2,789 | -2,382 |
| Austin Chalk | 3,697 | -3,290 |
| Woodbine | 3,920 | -3,513 |
| Paluxy | 5,541 | -5,134 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,768 | 5,779 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,217 | 11 | 210 S |
| 5.5 | 5,953 | — | 600 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 21, 1997 | Jun 27, 1996 | Yes |
| 00 | Apr 3, 1997 | — | — |
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 42-423-31456 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-423-31456 → 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/42331456, documented in the API reference.