WELL · 42-507-31178 · DISTRICT 1
West Mary et AL #1
Zavala County · Leona River W. (Escondido D-1) field · Vertical
West Mary ET AL #1 (API 42-507-31178) is a plugged well in Zavala County, plugged June 30, 2008, last operated by Crimson Exploration Oper. Inc..
The RRC has issued one drilling permit, issued June 11, 1979, permitted to 3,700 ft.
It was permitted by Tejas Production CO and has since transferred to Crimson Exploration Oper. Inc. on the wellbore schedule.
Operator of record
Crimson Exploration Oper. Inc.
Permitted by Tejas Production Co; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 8, 2019 · 215 permits on file · (800) 960-8078
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Crimson Exploration Oper. Inc. |
| Production reports | none |
| Latest permit | Tejas Production CoJun 11, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,700
- total depth, ft
- 1
- permits on file
- Jun 11, 1979
- last permit issued
- Jul 9, 1979
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 9, 1979
- Shut in
- —
- Plugged
- Jun 30, 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 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 |
|---|---|---|---|---|---|---|
| West, Mary et AL G-1-83412 | Leona River, W. (Escondido D-1) | Crimson Exploration Oper., Inc. | 1 | 0 | 0 | Jan 1993 – Jun 2008 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 50438-99 | Drill | Tejas Production Co | Jun 11, 1979 | Jun 11, 1979 | — | 3,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-83412 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,516 | 3,542 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 165 | 12.25 | 135 S |
| 2.375 | 3,441 | — | — |
| 4.5 | 3,699 | 7.875 | 1,000 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 | Jul 30, 1979 | — |
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 42-507-31178 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-31178 → 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/50731178, documented in the API reference.