WELL · 42-489-30733 · DISTRICT 4
Willamar West Miocene Unit #16
Willacy County · Willamar W.(miocene 6400) field · Vertical
Willamar West Miocene Unit #16 (API 42-489-30733) is a plugged well in Willacy County, plugged November 15, 2011, last operated by Citation Oil & Gas Corp..
The RRC has issued 2 drilling permits between 1983 and 1993, permitted to 6,800 ft.
Completion filings report one formation top, including Miocene (undifferentiated).
Its 2 leases have reported 243K barrels of oil and 298K mcf of gas since January 1993, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 27, 2026
- Permits on file
- 866
- Phone
- (281) 891-1000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Citation Oil & Gas Corp. |
| Production reports | Citation Oil & Gas Corp.through Apr 2026 |
| Latest permit | Citation Oil & Gas Corp.Apr 14, 1993 |
- 6,800
- total depth, ft
- 2
- permits on file
- Apr 14, 1993
- last permit issued
- May 26, 1984
- completed
- 243K
- cumulative oil, bbl
- 298K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 26, 1984
- Shut in
- —
- Plugged
- Nov 15, 2011
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 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Willamar West Miocene Unit O-4-10055 | Willamar, W.(miocene 6400) | Citation Oil & Gas Corp. | 7 | 229K | 262K | Jan 1993 – Jul 2026 |
| Willamar West Miocene Unit O-4-12242 | Willamar, West (Miocene 6350) | Citation Oil & Gas Corp. | 2 | 14K | 35.9K | Aug 1993 – Feb 2012 |
Oil, barrels lease total
Last 12 months 2,768 · prior 12 1,992(+39%)
Gas, mcf lease total
Last 12 months 1,451 · prior 12 4,487(-68%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Citation Oil & Gas Corp.Jan 1993 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 410506-99 | Other | Citation Oil & Gas Corp. | Apr 5, 1993 | Apr 14, 1993 | Aug 12, 1993 | 6,500 |
| 219570-99 | Drill | Amoco Production Company | Oct 17, 1983 | Oct 17, 1983 | Apr 18, 1984 | 6,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-10055 | — | — | — | — |
| — | — O-4-10055 | — | — | — | — |
| — | — O-4-12242 | — | — | — | — |
| — | — O-4-12242 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Miocene (undifferentiated)MIOCENE 5850 | 5,855 |
| Miocene (undifferentiated)MIOCENE 5950 | 5,950 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,319 | 6,330 | Perforated |
| 6,390 | 6,398 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,590 | 12.25 | 645 sx |
| 5.5 | 6,500 | 9.25 | 600 sx |
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 | Mar 21, 1994 | Oct 28, 1993 | — |
| 00 | Dec 2, 1993 | Aug 19, 1993 | — |
| 00 | Nov 30, 1993 | Jun 28, 1984 | — |
| 00 | Nov 18, 1993 | — | — |
| 00 | Aug 31, 1993 | — | — |
| 00 | Jul 30, 1984 | Jun 28, 1984 | — |
| 00 | Jul 26, 1984 | Jun 28, 1984 | — |
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 42-489-30733 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-489-30733 → 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/48930733, documented in the API reference.