WELL · 42-177-31807 · DISTRICT 1
R.V.S. Oil Unit #1
Gonzales County · Pilgrim (Austin Chalk) field · Shut IN · Horizontal
R.V.S. Oil Unit #1 (API 42-177-31807) is a horizontal well in Gonzales County operated by Cei Operating LLC, completed December 18, 1990 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued September 19, 1990, permitted to 10,500 ft.
It was permitted by Tana Oil And Gas Corporation and has since transferred to Cei Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Navarro, Taylor, Anacacho, Austin Chalk.
Its lease has reported 78.2K barrels of oil and 8.71K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Tana Oil and Gas Corporation; 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 Sep 2015 |
| Latest permit | Tana Oil and Gas CorporationSep 19, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Sep 19, 1990
- last permit issued
- Dec 18, 1990
- completed
- 78.2K
- cumulative oil, bbl
- 8.71K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 18, 1990
- 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 |
|---|---|---|---|---|---|---|
| R.V.S. Oil Unit O-1-12889 | Pilgrim (Austin Chalk) | Cei Operating LLC | 1 | 78.2K | 8.71K | 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.
- 1Tana Oil and Gas CorporationJan 1993 → Oct 1995
- 2Rosewood Resources, Inc.Nov 1995 → Jan 1997
- 3Wilson, Billy R.Feb 1997 → Dec 2003
- 4Lucas Energy, Inc.Oct 2007 → Sep 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 377914-99 | Drill | Tana Oil and Gas Corporation | Sep 13, 1990 | Sep 19, 1990 | Nov 14, 1990 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12889 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 270 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Navarro | 6,100 | -5,830 |
| Taylor | 6,720 | -6,450 |
| Anacacho | 7,960 | -7,690 |
| Austin Chalk | 8,300 | -8,030 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,300 | 8,500 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 928 | 12.25 | 400 S |
| 7 | 8,138 | 8.75 | 920 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 | Mar 13, 1991 | Feb 5, 1991 | Yes |
| 00 | Feb 26, 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 42-177-31807 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-31807 → 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/17731807, documented in the API reference.