TEXAS · WELLS · COCHRAN COUNTY · DEAN, C. S. "A" LEASE · API 42-079-32647 · DISTRICT 7B
Dean C. S. A #223
Cochran County · Slaughter field · Vertical
Dean C. S. A #223 (API 42-079-32647) is a plugged well in Cochran County, plugged May 7, 2015, last operated by Hilcorp Energy Company.
The RRC has issued one drilling permit, issued October 28, 1992, permitted to 5,090 ft.
It was permitted by Texaco E & P Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including Queen, Grayburg, San Andres.
Its lease has reported 5.35M barrels of oil and 3.74M mcf of gas since January 1993, last reporting in July 2026. The lease carries 236 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Texaco E & P Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Texaco E & P Inc.Oct 28, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,090
- total depth, ft
- 1
- permits on file
- Oct 28, 1992
- last permit issued
- Dec 22, 1992
- completed
- 5.35M
- cumulative oil, bbl
- 3.74M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 22, 1992
- Shut in
- —
- Plugged
- May 7, 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 236 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Dean, C. S. "A" O-11-6035 | Slaughter | Hilcorp Energy Company | 236 | 5.35M | 3.74M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 35,590 · prior 12 30,886(+15%)
Gas, mcf lease total
Last 12 months 29,335 · prior 12 23,798(+23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Jan 1993 → Feb 1995
- 2Apache CorporationMar 1995 → Nov 2024
- 3Hilcorp Energy CompanyDec 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 405098-99 | Drill | Texaco E & P Inc. | Oct 22, 1992 | Oct 28, 1992 | Nov 17, 1992 | 5,090 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 22, 1992 | Dean C. S. A O-11-6035 | Slaughter | Hilcorp Energy Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,742 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen | 3,670 | 72 |
| Grayburg | 3,997 | -255 |
| San Andres | 4,944 | -1,202 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,944 | 5,028 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,300 | 12.25 | 950 S |
| 5.5 | 5,090 | 7.875 | 1,250 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 20, 1993 | Jan 4, 1993 | Yes |
| 00 | Jan 8, 1993 | — | — |
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 42-079-32647 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-079-32647 → 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/07932647, documented in the API reference.