WELL · 42-051-30418 · DISTRICT 3
Williard #4
Burleson County · Willard (Navarro) field · Vertical
Williard #4 (API 42-051-30418) is a plugged well in Burleson County, plugged October 21, 2005, last operated by Ernest Operating Company.
The RRC has issued 2 drilling permits between 1979 and 2014, permitted to 3,600 ft.
Completion filings report 4 formation tops, including Poth - Disposal, Wilcox, Austin Chalk, Edwards.
Its lease has reported 46.9K barrels of oil and 96.5K mcf of gas since January 1993, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Rockdale, TX · P-5 Y, filed Jan 4, 2026 · 32 permits on file · (512) 446-3855
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ernest Operating Company |
| Production reports | Ernest Operating Companythrough Apr 2026 |
| Latest permit | Ernest Operating CompanyJul 2, 2014 |
- 3,600
- total depth, ft
- 2
- permits on file
- Jul 2, 2014
- last permit issued
- Jul 28, 1979
- completed
- 46.9K
- cumulative oil, bbl
- 96.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 28, 1979
- Shut in
- —
- Plugged
- Oct 21, 2005
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Williard O-3-11561 | Willard (Navarro) | Ernest Operating Company | 5 | 46.9K | 96.5K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 416 · prior 12 580(-28%)
Gas, mcf lease total
Last 12 months 4,441 · prior 12 958(+364%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Crescent Exploration CompanyJan 1993 → Feb 1994
- 2Keesee, H. K.Mar 1994 → Apr 1994
- 3Ernest Operating CompanyMay 1994 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 787523-99 | Reenter | Ernest Operating Company | May 20, 2014 | Jul 2, 2014 | Jul 19, 2014 | 3,569 |
| 52889-99 | Drill | Hollub, Lambert Drilling Company | Jul 16, 1979 | Jul 16, 1979 | — | 3,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-11561 | — | — | — | — |
| — | — O-3-11561 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 404 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Poth - Disposal | 2,760 | -2,356 |
| WilcoxWILCOX - DISPOSAL | 5,250 | -4,846 |
| Austin ChalkAUSTIN CHALK - DISPOSAL | 7,140 | -6,736 |
| EdwardsEDWARDS - DISPOSAL | 8,100 | -7,696 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,370 | 3,390 | Perforated |
| 3,370 | 3,390 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 184 | 12.75 | 125 S |
| 2.375 | 3,144 | — | — |
| 4.5 | 3,569 | 7.875 | 635 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 | Feb 18, 2016 | Apr 2, 2015 | Yes |
| 00 | Jan 12, 1984 | Aug 16, 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 42-051-30418 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-051-30418 → 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/05130418, documented in the API reference.