WELL · 42-173-31940 · DISTRICT 8
Hoelscher #1
Glasscock County · Saint Lawrence (Strawn) field · Vertical
Hoelscher #1 (API 42-173-31940) is a plugged well in Glasscock County, plugged March 31, 1999, last operated by Costilla Energy Inc..
The RRC has issued one drilling permit, issued February 25, 1986, permitted to 11,050 ft.
It was permitted by Gwr Operating CO. and has since transferred to Costilla Energy Inc. on the wellbore schedule.
Completion filings report 7 formation tops, including Yates, Clear Fork, Spraberry, Wichita-Albany.
Its 3 leases have reported 1.71K barrels of oil and 62.7K mcf of gas since January 1993, last reporting in March 1999. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by GWR Operating Co.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Oct 5, 2001 · 173 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Costilla Energy Inc. |
| Production reports | Concho Resources Inc.through Mar 1999 |
| Latest permit | GWR Operating Co.Feb 25, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,050
- total depth, ft
- 1
- permits on file
- Feb 25, 1986
- last permit issued
- Apr 23, 1986
- completed
- 1.71K
- cumulative oil, bbl
- 62.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 23, 1986
- Shut in
- —
- Plugged
- Mar 31, 1999
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 3 leases 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 |
|---|---|---|---|---|---|---|
| Hoelscher G-10-160644 | Saint Lawrence (Strawn) | Concho Resources Inc. | 1 | 0 | 14K | Apr 1996 – Mar 1999 |
| Hoelscher O-10-30708 | Saint Lawrence (Strawn) | Costilla Energy, Inc. | 2 | 1.71K | 40.1K | Jan 1993 – Mar 1998 |
| Hoelscher G-10-121219 | Frysak Farms (Devonian) | Costilla Petroleum Corporation | 1 | 0 | 8.61K | Jan 1993 – Nov 1994 |
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 CorporationJan 1993 → Jan 1997
- 2Costilla Energy, Inc.Feb 1997 → Dec 1997
- 3Concho Resources Inc.Jan 1998 → Mar 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 298446-99 | Drill | GWR Operating Co. | May 13, 1986 | Feb 25, 1986 | — | 11,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-121219 | — | — | — | — |
| — | — G-10-160644 | — | — | — | — |
| — | — O-10-30708 | — | — | — | — |
| — | — O-10-30708 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,696 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,975 | 721 |
| Clear ForkCLEARFORK | 5,650 | -2,954 |
| Spraberry | 6,165 | -3,469 |
| Wichita-AlbanyWICHITA ALBANY | 7,393 | -4,697 |
| Wichita-Albany | 7,393 | -4,697 |
| Strawn | 9,976 | -7,280 |
| Devonian | 10,588 | -7,892 |
| Fusselman | 11,006 | -8,310 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,979 | 9,981 | Perforated |
| 9,979 | 10,022 | Perforated |
| 10,014 | 10,022 | Perforated |
| 10,605 | 10,645 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 430 | 17.5 | 420 S |
| 9.625 | 3,200 | 12.25 | 400 S |
| 5.5 | 11,050 | 8.75 | 1,507 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 | Dec 3, 1996 | — | — |
| 00 | Oct 28, 1993 | Jun 28, 1993 | — |
| 00 | Jul 28, 1993 | May 28, 1986 | Yes |
| 00 | Jun 11, 1986 | May 29, 1986 | Yes |
| 00 | Jun 11, 1986 | May 28, 1986 | Yes |
| 00 | Jun 7, 1986 | — | — |
| 00 | Jun 6, 1986 | May 29, 1986 | — |
| 00 | Jun 4, 1986 | — | — |
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 42-173-31940 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-31940 → 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/17331940, documented in the API reference.