TEXAS · WELLS · WARD COUNTY · COX, L.B. LEASE · API 42-475-33624 · DISTRICT 7B
Cox L.B. #4
Ward County · Scott (Delaware) field · Shut In · Vertical
Cox L.B. #4 (API 42-475-33624) is a well in Ward County operated by Jetta Operating Company Inc., completed June 14, 1985 and listed as shut in on the RRC schedule, shut in July 1, 2024.
The RRC has issued one drilling permit, issued May 1, 1985, permitted to 5,200 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Jetta Operating Company Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Lamar, Ramsey.
Its lease has reported 152K barrels of oil and 383K mcf of gas since January 1993, last reporting volume in November 2025. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jul 2, 2026
- Permits on file
- 605
- Phone
- (817) 639-2332
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Jetta Operating Company Inc. |
| Production reports | Jetta Operating Company, Inc.through Nov 2025 |
| Latest permit | Mobil Producing TX. & N.M. Inc.May 1, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,200
- total depth, ft
- 1
- permits on file
- May 1, 1985
- last permit issued
- Jun 14, 1985
- completed
- 152K
- cumulative oil, bbl
- 383K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2025
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 14, 1985
- Shut in
- Jul 1, 2024
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cox, L.B. O-10-29008 | Scott (Delaware) | Jetta Operating Company, Inc. | 4 | 152K | 383K | Jan 1993 – Nov 2025 |
Oil, barrels lease total
Last 12 months 2 · prior 12 32(-94%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Southwest Royalties, Inc.Jan 1993 → Nov 2017
- 2NBL Permian LLCDec 2017 → Jul 2018
- 3Noble Energy IncAug 2018 → Aug 2018
- 4Iskandia Energy Operating, Inc.Sep 2018 → Dec 2023
- 5Jetta Operating Company, Inc.Jan 2024 → Nov 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 273827-99 | Drill | Mobil Producing TX. & N.M. Inc. | May 1, 1985 | May 1, 1985 | May 9, 1985 | 5,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 14, 1985 | Cox L.B. O-10-29008 | Scott (Delaware) | Jetta Operating Company Inc. | Shut In · shut in Jul 1, 2024 | 5,200 |
Formation tops
As filed on W-2/G-1. Subsea from 2,534 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lamar | 4,800 | -2,266 |
| Ramsey | 4,844 | -2,310 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,872 | 4,885 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 108 | 17.5 | 70 S |
| 8.625 | 2,105 | 11 | 775 S |
| 5.5 | 5,197 | 7.875 | 1,595 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 14, 1985 | Jul 9, 1985 | — |
| 00 | Jul 25, 1985 | — | — |
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 42-475-33624 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-33624 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/47533624, documented in the API reference.