WELL · 42-173-32343 · DISTRICT 8
Books 21 #01
Glasscock County · Patterson Lake (Wolfcamp) field · Vertical
Books 21 #01 (API 42-173-32343) is a plugged well in Glasscock County, plugged July 20, 1998, last operated by Petra Oleum Corp..
The RRC has issued one drilling permit (amended once), issued July 13, 1993, permitted to 9,000 ft.
It was permitted by Costilla Petroleum Corporation and has since transferred to Petra Oleum Corp. on the wellbore schedule.
Completion filings report 4 formation tops, including Yates, San Andres, Clear Fork, Wolfcamp.
Its 2 leases have reported 29.6K barrels of oil and 122K mcf of gas since August 1993, last reporting in October 2000. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Costilla Petroleum Corporation; the EWA schedule now lists a different operator.
Midland, TX · P-5 Active, filed Apr 9, 2026 · 55 permits on file · (432) 687-1033
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Petra Oleum Corp. |
| Production reports | Petra Oleum Corp.through Apr 1998 |
| Latest permit | Costilla Petroleum CorporationJul 13, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 2
- permits on file
- Jul 13, 1993
- last permit issued
- Aug 12, 1993
- completed
- 29.6K
- cumulative oil, bbl
- 122K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1993 THROUGH Oct 2000
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 12, 1993
- Shut in
- —
- Plugged
- Jul 20, 1998
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Books '21' O-10-33920 | Patterson Lake (Wolfcamp) | Costilla Energy, Inc. | 2 | 29.6K | 107K | Aug 1993 – Oct 2000 |
| Books 21 G-10-151848 | Patterson Lake (Wolfcamp) | Petra Oleum Corp. | 1 | 0 | 15.5K | Oct 1994 – Jul 1998 |
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.
- 1Costilla Petroleum CorporationAug 1993 → Jan 1997
- 2Costilla Energy, Inc.Feb 1997 → Apr 1997
- 3Petra Oleum Corp.May 1997 → Apr 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 413825-98 | Drill | Costilla Petroleum Corporation | Aug 18, 1993 | Jul 13, 1993 | Jul 16, 1993 | 8,640 |
| 413825-99 | Drill | Costilla Petroleum Corporation | Jul 13, 1993 | Jul 13, 1993 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-151848 | — | — | — | — |
| — | — O-10-33920 | — | — | — | — |
| — | — O-10-33920 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,708 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,066 | 642 |
| San Andres | 3,370 | -662 |
| Clear ForkCLEARFORK | 5,020 | -2,312 |
| Clear ForkCLEARFORK PAYS | 5,660 | -2,952 |
| WolfcampWOLFCAMP SHALE | 8,030 | -5,322 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,402 | 8,415 | Perforated |
| 8,422 | 8,432 | Perforated |
| 8,438 | 8,440 | Perforated |
| 8,449 | 8,452 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 462 | 17.5 | 450 S |
| 9.625 | 3,560 | 12.25 | 895 S |
| 5.5 | 8,620 | 8.75 | 750 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 7, 1995 | Oct 28, 1994 | — |
| 00 | Dec 7, 1994 | — | — |
| 00 | Sep 30, 1993 | Aug 17, 1993 | Yes |
| 00 | Aug 27, 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 42-173-32343 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-32343 → 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/17332343, documented in the API reference.