WELL · 42-067-30382 · DISTRICT 6
Carbondale Unit #4
Cass County · Carbondale (Smackover 9660) field · Vertical
Carbondale Unit #4 (API 42-067-30382) is a plugged well in Cass County, plugged October 13, 2015, last operated by Sulphur River Exploration Inc..
The RRC has issued one drilling permit, issued April 26, 1982, permitted to 10,400 ft.
It was permitted by Shell Oil Company and has since transferred to Sulphur River Exploration Inc. on the wellbore schedule.
Its lease has reported 42.8K barrels of oil and 159K mcf of gas since January 1993, last reporting in February 2016. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Sulphur River Exploration Inc.
Permitted by Shell Oil Company; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 22, 2025
- Permits on file
- 107
- Phone
- (214) 373-1091
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sulphur River Exploration Inc. |
| Production reports | Sulphur River Exploration, Inc.through Sep 2015 |
| Latest permit | Shell Oil CompanyApr 26, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,400
- total depth, ft
- 1
- permits on file
- Apr 26, 1982
- last permit issued
- Nov 1, 1982
- completed
- 42.8K
- cumulative oil, bbl
- 159K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2016
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 1, 1982
- Shut in
- —
- Plugged
- Oct 13, 2015
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 |
|---|---|---|---|---|---|---|
| Carbondale Unit O-6-5255 | Carbondale (Smackover 9660) | Sulphur River Exploration, Inc. | 4 | 42.8K | 159K | Jan 1993 – Feb 2016 |
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.
- 1Shell Western E&P Inc.Jan 1993 → May 1993
- 2Sulphur River Exploration, Inc.Jan 2007 → Sep 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 158088-99 | Drill | Shell Oil Company | Apr 26, 1982 | Apr 26, 1982 | Sep 23, 1982 | 10,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 1, 1982 | Carbondale Unit O-6-5255 | Carbondale (Smackover 9660) | Sulphur River Exploration Inc. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,666 | 9,710 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,712 | 12.25 | 840 S |
| 2.375 | 9,590 | — | — |
| 5.5 | 9,900 | 8.75 | 625 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 | Jan 12, 1984 | Nov 19, 1982 | — |
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 42-067-30382 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-067-30382 → 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/06730382, documented in the API reference.