WELL · 42-479-34639 · DISTRICT 4
Wright L. A. #4
Webb County · Aguas Calientes (Lobo 1) field · Vertical
Wright L. A. #4 (API 42-479-34639) is a plugged well in Webb County, plugged October 31, 2006, last operated by Legend Natural Gas II LP.
The RRC has issued one drilling permit, issued February 9, 1988, permitted to 7,200 ft.
It was permitted by Tdc Engineering, Inc. and has since transferred to Legend Natural Gas II LP on the wellbore schedule.
Completion filings report 2 formation tops, including Lobo 1, Lobo 6.
Operator of record
Permitted by TDC Engineering, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Oct 28, 2014
- Permits on file
- 124
- Phone
- (281) 644-5900
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Legend Natural Gas II LP |
| Production reports | Devon Louisiana Corporationthrough Apr 2005 |
| Latest permit | TDC Engineering, Inc.Feb 9, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,200
- total depth, ft
- 1
- permits on file
- Feb 9, 1988
- last permit issued
- Jan 15, 2005
- completed
- 0
- cumulative oil, bbl
- 998K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2006
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 15, 2005
- Shut in
- —
- Plugged
- Oct 31, 2006
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 |
|---|---|---|---|---|---|---|
| Wright, L. A. G-4-126857 | Aguas Calientes (Lobo 1) | Legend Natural Gas II, LP | 1 | 0 | 998K | Jan 1993 – Oct 2006 |
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.
- 1TDC Engineering, Inc.Jan 1993 → Feb 1993
- 2Sonat Exploration Company -TylerMar 1993 → Nov 1993
- 3Sonat Exploration Co. - HoustonDec 1993 → Oct 1998
- 4Cliffwood Production Co.Nov 1998 → Feb 2001
- 5Ocean Energy, Inc.Mar 2001 → Aug 2003
- 6Devon Louisiana CorporationSep 2003 → Apr 2005
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 342482-99 | Drill | TDC Engineering, Inc. | Feb 9, 1988 | Feb 9, 1988 | — | 7,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-126857 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 456 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo 1 | 5,760 | -5,304 |
| Lobo 6 | 6,310 | -5,854 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,655 | 5,661 | Perforated |
| 5,695 | 5,703 | Perforated |
| 5,765 | 5,782 | Perforated |
| 5,765 | 5,843 | Perforated |
| 5,793 | 5,808 | Perforated |
| 5,838 | 5,843 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 510 | 12.25 | — |
| 7 | 5,110 | 8.5 | — |
| 4.5 | 6,446 | 6.125 | 200 S |
| 4.5 | 6,446 | — | — |
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 | Aug 18, 2005 | Mar 8, 2005 | — |
| 00 | Aug 4, 1994 | May 19, 1994 | — |
| 00 | Apr 25, 1988 | Mar 30, 1988 | Yes |
| 00 | Apr 13, 1988 | — | — |
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 42-479-34639 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-34639 → 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/47934639, documented in the API reference.