TEXAS · WELLS · PECOS COUNTY · API 42-371-33774 · DISTRICT 7B
Vastar 75 #4
Pecos County · Chenot N. (Wichita Albany) field · Vertical
Vastar 75 #4 (API 42-371-33774) is a plugged well in Pecos County, plugged October 2, 2003, last operated by Olsen Energy Inc..
The RRC has issued 3 drilling permits in 1982, permitted to 5,300 ft.
It was permitted by Txo Production Corp. and has since transferred to Olsen Energy Inc. on the wellbore schedule.
Operator of record
Permitted by TXO Production Corp.; the EWA schedule now lists a different operator.
- Based in
- Boerne, TX
- P-5 status
- Active (A)
- P-5 last filed
- May 26, 2026
- Permits on file
- 243
- Phone
- (210) 496-2466
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Olsen Energy Inc. |
| Production reports | Olsen Energy Inc.through Mar 2002 |
| Latest permit | TXO Production Corp.Dec 2, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,300
- total depth, ft
- 3
- permits on file
- Dec 2, 1982
- last permit issued
- Apr 7, 1983
- completed
- 0
- cumulative oil, bbl
- 575
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2003
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 7, 1983
- Shut in
- —
- Plugged
- Oct 2, 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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Vastar 75 G-10-101899 | Chenot (Wolfcamp) | Olsen Energy Inc. | 1 | 0 | 0 | Jan 1993 – Nov 2003 |
| Vastar 75 G-10-105475 | Chenot, N. (Wichita Albany) | Olsen Energy Inc. | 1 | 0 | 575 | Jan 1993 – Nov 2003 |
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.
- 1Olsen Energy Inc.Jan 2002 → Mar 2002
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 178787-99 | Recompletion | TXO Production Corp. | Dec 2, 1982 | Dec 2, 1982 | — | 5,300 |
| 168266-99 | Drill | TXO Production Corp. | Jul 30, 1982 | Jul 30, 1982 | — | 5,300 |
| 152802-99 | Drill | TXO Production Corp. | Mar 10, 1982 | Mar 10, 1982 | — | 5,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 7, 1983 | Vastar 75 G-10-105475 | Chenot N. (Wichita Albany) | Olsen Energy Inc. | Plugged | — |
| Sep 10, 1982 | Vastar 75 G-10-101899 | Chenot (Wolfcamp) | Olsen Energy Inc. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,392 | 4,580 | Perforated |
| 4,546 | 4,580 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 725 | 15 | 590 S |
| 8.625 | 2,650 | 11 | 585 S |
| 2.375 | 4,464 | — | — |
| 2.375 | 4,492 | — | — |
| 4.5 | 4,645 | 7.875 | 450 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 | May 27, 1983 | — |
| 00 | Jan 12, 1984 | Sep 29, 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 42-371-33774 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-33774 → 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/37133774, documented in the API reference.