WELL · 42-177-31872 · DISTRICT 1
Holub #1
Gonzales County · First Shot (Austin Chalk) field · Shut IN · Horizontal
Holub #1 (API 42-177-31872) is a horizontal well in Gonzales County operated by Cei Operating LLC, completed April 5, 1991 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued January 31, 1991, permitted to 11,800 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Cei Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Pecan Gap, Austin Chalk.
Its lease has reported 33K barrels of oil and 41.5K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
Katy, TX · P-5 Y, filed May 29, 2025 · (214) 533-4948
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cei Operating LLC |
| Production reports | Lucas Energy, Inc.through Oct 2007 |
| Latest permit | Chesapeake Operating, Inc.Jan 31, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,800
- total depth, ft
- 1
- permits on file
- Jan 31, 1991
- last permit issued
- Apr 5, 1991
- completed
- 33K
- cumulative oil, bbl
- 41.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 5, 1991
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 |
|---|---|---|---|---|---|---|
| Holub O-1-13253 | First Shot (Austin Chalk) | Cei Operating LLC | 1 | 33K | 41.5K | Jan 1993 – 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.
- 1Chesapeake Operating, Inc.Jan 1993 → Sep 1996
- 2Wilson, Billy R.Feb 1999 → Feb 2002
- 3Lucas Energy, Inc.Feb 2007 → Oct 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 384091-99 | Drill | Chesapeake Operating, Inc. | Jan 31, 1991 | Jan 31, 1991 | Feb 16, 1991 | 11,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13253 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 327 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 8,574 | -8,247 |
| Austin Chalk | 8,786 | -8,459 |
| Austin ChalkAUSTIN CHALK LOWER | 8,886 | -8,559 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,810 | 11,451 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,031 | 14.75 | 715 S |
| 7.625 | 8,745 | 9.875 | 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 | Oct 21, 1991 | May 6, 1991 | Yes |
| 00 | Oct 14, 1991 | — | — |
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 42-177-31872 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-31872 → 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/17731872, documented in the API reference.