WELL · 42-175-33437 · DISTRICT 2
Holchak #2
Goliad County · Boyce (4590 Sand) field · Vertical
Holchak #2 (API 42-175-33437) is a plugged well in Goliad County, plugged July 7, 2016, last operated by TX Lone Star Operating CO LLC.
The RRC has issued one drilling permit, issued June 19, 2002, permitted to 5,600 ft.
It was permitted by Tristar Exploration, Inc and has since transferred to TX Lone Star Operating CO LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Hockley, Yegua, Upper Cook Mtn, Lower Cook Mtn.
Its lease has reported 3.09K barrels of oil and 1.06K mcf of gas since August 2002, last reporting in July 2026.
Operator of record
Permitted by Tristar Exploration, Inc; the EWA schedule now lists a different operator.
Sulphur Spgs, TX · P-5 Y, filed Aug 7, 2020 · 3 permits on file · (903) 348-3576
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | TX Lone Star Operating Co LLC |
| Production reports | Tristar Exploration, Incthrough Jul 2008 |
| Latest permit | Tristar Exploration, IncJun 19, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,600
- total depth, ft
- 1
- permits on file
- Jun 19, 2002
- last permit issued
- Aug 30, 2002
- completed
- 3.09K
- cumulative oil, bbl
- 1.06K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 30, 2002
- Shut in
- —
- Plugged
- Jul 7, 2016
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 |
|---|---|---|---|---|---|---|
| Holchak O-2-8745 | Boyce (4590 Sand) | TX Lone Star Operating Co, LLC | 1 | 3.09K | 1.06K | Aug 2002 – Jul 2026 |
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.
- 1Tristar Exploration, IncAug 2002 → Jul 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 521195-99 | Drill | Tristar Exploration, Inc | Jun 19, 2002 | Jun 19, 2002 | Jun 29, 2002 | 5,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-8745 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 313 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Hockley | 3,914 | -3,601 |
| Yegua | 4,408 | -4,095 |
| Upper Cook MTN | 4,668 | -4,355 |
| Lower Cook MTN | 4,855 | -4,542 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,422 | 4,426 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 602 | 12.25 | 110 S |
| 5.5 | 5,066 | 7.875 | 665 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 16, 2002 | Sep 13, 2002 | Yes |
| 00 | Nov 19, 2002 | — | — |
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 42-175-33437 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-175-33437 → 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/17533437, documented in the API reference.