WELL · 42-507-00135 · DISTRICT 1
West G. W. #1
Zavala County · Leona River (Olmos) field · Vertical
West G. W. #1 (API 42-507-00135) is a plugged well in Zavala County, plugged July 2, 2008, last operated by Crimson Exploration Oper. Inc..
The RRC has issued one drilling permit, issued May 16, 1979, permitted to 4,933 ft.
It was permitted by Texaco Inc. and has since transferred to Crimson Exploration Oper. Inc. on the wellbore schedule.
Operator of record
Crimson Exploration Oper. Inc.
Permitted by Texaco Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jan 22, 2019
- Permits on file
- 215
- Phone
- (713) 236-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Crimson Exploration Oper. Inc. |
| Production reports | Crimson Exploration Oper., Inc.through Oct 2007 |
| Latest permit | Texaco Inc.May 16, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,933
- total depth, ft
- 1
- permits on file
- May 16, 1979
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 106K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Jul 2, 2008
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West, G. W. G-1-348 | Leona River (Olmos) | Crimson Exploration Oper., Inc. | 1 | 0 | 106K | Jan 1993 – Jul 2008 |
| West, G.W. O-1-5963 | Wildcat | Cavalier Oil & Gas, Inc. | 1 | 0 | 0 | Jan 1993 – Jun 1999 |
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.
- 1Cavalier Oil & Gas, Inc.Nov 1998 → Jan 2000
- 2Setex Oil and Gas CompanyApr 2000 → Jul 2005
- 3Crimson Exploration Inc.Nov 2005 → Nov 2005
- 4Crimson Exploration Oper., Inc.Jul 2007 → Oct 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 48622-99 | Recompletion | Texaco Inc. | May 16, 1979 | May 16, 1979 | — | 4,933 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-348 | — | — | — | — |
| — | — O-1-5963 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,350 | 3,373 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,064 | 15 | 550 S |
| 2.375 | 3,272 | — | — |
| 7 | 4,933 | 9.875 | 550 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 | Jan 12, 1984 | Sep 4, 1979 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-507-00135 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-00135 → 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/50700135, documented in the API reference.