WELL · 42-059-35242 · DISTRICT 7
Landers B #4
Callahan County · Wildfire (Gray) field · Vertical
Landers B #4 (API 42-059-35242) is a plugged well in Callahan County, plugged April 27, 2000, last operated by Sun-Key Oil CO. Inc..
The RRC has issued one drilling permit, issued January 14, 1985, permitted to 4,999 ft.
It was permitted by Mercury Exploration CO. and has since transferred to Sun-Key Oil CO. Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Gray, Caddo, Ellenburger.
Its lease has reported 11.2K barrels of oil and 38.6K mcf of gas since January 1993, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mercury Exploration Co.; the EWA schedule now lists a different operator.
Dublin, TX · P-5 Y, filed Jan 5, 2026 · 10 permits on file · (254) 445-3935
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sun-Key Oil Co. Inc. |
| Production reports | Sun-Key Oil Co., Inc.through Sep 2002 |
| Latest permit | Mercury Exploration Co.Jan 14, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,999
- total depth, ft
- 1
- permits on file
- Jan 14, 1985
- last permit issued
- Mar 5, 1985
- completed
- 11.2K
- cumulative oil, bbl
- 38.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 5, 1985
- Shut in
- —
- Plugged
- Apr 27, 2000
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 |
|---|---|---|---|---|---|---|
| Landers "B" O-8-21289 | Wildfire (Gray) | Sun-Key Oil Co., Inc. | 4 | 11.2K | 38.6K | 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.
- 1Mercury Exploration Co.Jan 1993 → May 2001
- 2Sun-Key Oil Co., Inc.Jun 2001 → Sep 2002
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 264125-99 | Drill | Mercury Exploration Co. | Jan 11, 1985 | Jan 14, 1985 | Jan 23, 1985 | 4,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-21289 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,043 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Gray | 3,862 | -1,819 |
| Caddo | 4,050 | -2,007 |
| Ellenburger | 4,560 | -2,517 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,903 | 3,909 | Perforated |
| 3,912 | 3,918 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 124 | 11 | 100 S |
| 4.5 | 4,645 | 7.875 | 460 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 | Apr 19, 1985 | Mar 11, 1985 | — |
| 00 | Apr 10, 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 42-059-35242 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-059-35242 → 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/05935242, documented in the API reference.