WELL · 42-413-31797 · DISTRICT 7
University 23 W #4
Schleicher County · Baker Ranch (Canyon) field · Vertical
University 23 W #4 (API 42-413-31797) is a plugged well in Schleicher County, plugged July 8, 2010, last operated by Capitol Well Servicing CO. Inc..
The RRC has issued one drilling permit (amended once), issued June 29, 1992, permitted to 8,500 ft.
It was permitted by Swift Energy Company and has since transferred to Capitol Well Servicing CO. Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Wolfcamp, Canyon.
Operator of record
Capitol Well Servicing Co. Inc.
Permitted by Swift Energy Company; the EWA schedule now lists a different operator.
Oklahoma City, OK · P-5 Inactive, filed Sep 22, 2021 · 15 permits on file · (405) 677-0359
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Capitol Well Servicing Co. Inc. |
| Production reports | Capitol Well Servicing Co., Inc.through Jun 2009 |
| Latest permit | Swift Energy CompanyJun 29, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 2
- permits on file
- Jun 29, 1992
- last permit issued
- Nov 4, 1992
- completed
- 0
- cumulative oil, bbl
- 257K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 4, 1992
- Shut in
- —
- Plugged
- Jul 8, 2010
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 |
|---|---|---|---|---|---|---|
| University 23 W G-9-143240 | Baker Ranch (Canyon) | Capitol Well Servicing Co., Inc. | 1 | 0 | 257K | Jan 1993 – Jul 2010 |
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.
- 1Swift Energy CompanyJan 1993 → Sep 1997
- 2Capitol Well Servicing Co., Inc.Oct 1997 → Jun 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 400661-98 | Drill | Swift Energy Company | Aug 20, 1992 | Jun 29, 1992 | Oct 12, 1992 | 8,500 |
| 400661-99 | Drill | Swift Energy Company | Jun 29, 1992 | Jun 29, 1992 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-143240 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,563 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 1,854 | 709 |
| SpraberrySPRAYBERRY | 3,500 | -937 |
| Wolfcamp | 5,308 | -2,745 |
| Canyon | 7,064 | -4,501 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,064 | 7,088 | Perforated |
| 7,279 | 7,282 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,269 | 11 | 470 S |
| 4.5 | 7,447 | 7.875 | 475 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 | Feb 16, 1993 | Dec 10, 1992 | Yes |
| 00 | Dec 29, 1992 | — | — |
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 42-413-31797 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-413-31797 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/41331797, documented in the API reference.