WELL · 42-489-00329 · DISTRICT 4
Willamar West Unit #19D
Willacy County · Willamar West field · Vertical
Willamar West Unit #19D (API 42-489-00329) is a well in Willacy County operated by Citation Oil & Gas Corp., completed December 20, 1985.
The RRC has issued one drilling permit (amended once), issued January 25, 1984, permitted to 7,743 ft.
Completion filings report one formation top, including Miocene (undifferentiated).
Its 2 leases have reported 5.14M barrels of oil and 5.05M mcf of gas since January 1993, last reporting in July 2026. The leases carry 235 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 350K barrels injected in the 12 months reported through May 2025.
Operator of record
Houston, TX · P-5 Y, filed Mar 4, 2026 · 866 permits on file · (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 | Amoco Production CompanyJan 25, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,743
- total depth, ft
- 2
- permits on file
- Jan 25, 1984
- last permit issued
- Dec 20, 1985
- completed
- 5.14M
- cumulative oil, bbl
- 5.05M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 20, 1985
- Shut in
- —
- Plugged
- —
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 235 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Willamar West Unit O-4-3391 | Willamar, West | Citation Oil & Gas Corp. | 207 | 3.02M | 3.17M | Jan 1993 – Jul 2026 |
| Willamar East Unit O-4-7915 | Willamar | Citation Oil & Gas Corp. | 28 | 2.12M | 1.88M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 54,584 · prior 12 59,449(-8%)
Gas, mcf lease total
Last 12 months 9,904 · prior 12 19,382(-49%)
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 |
|---|---|---|---|---|---|---|
| 227357-98 | Other | Citation Oil & Gas Corp. | Apr 12, 1994 | Jan 25, 1984 | — | 7,743 |
| 227357-99 | Recompletion | Amoco Production Company | Jan 24, 1984 | Jan 25, 1984 | — | 7,728 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-3391 | — | — | — | — |
| — | — O-4-7915 | — | — | — | — |
| — | — O-4-7915 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 13 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 3,443 | -3,430 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,443 | 4,517 | Perforated |
| 4,518 | 4,522 | Perforated |
| 4,533 | 4,591 | Perforated |
| 4,548 | 4,586 | Perforated |
| 4,600 | 4,604 | Perforated |
| 7,638 | 7,698 | Perforated |
| — | 7,638 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,517 | 15 | 750 S |
| 10.75 | 1,517 | — | 750 S |
| 5.5 | 7,542 | — | — |
| 5.5 | 7,742 | 8.75 | 750 S |
| 5.5 | 7,742 | — | 750 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 | May 8, 2024 | May 8, 2024 | — |
| 00 | Apr 5, 2007 | Oct 2, 2006 | — |
| 00 | Jun 16, 1994 | Sep 13, 1993 | — |
| 00 | May 12, 1994 | — | — |
| 00 | Dec 7, 1993 | Aug 9, 1993 | — |
| 00 | Sep 29, 1993 | Aug 9, 1993 | — |
| 00 | Nov 20, 1986 | Jul 24, 1986 | — |
| 00 | Oct 28, 1986 | — | — |
| 00 | Jan 12, 1984 | Jun 23, 1972 | — |
| 00 | Jan 12, 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 42-489-00329 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-489-00329 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 350K
- bbl, last 12 reported months
- 16.3M
- bbl, all reported
- May 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000080732 | W-14 Disposal | Active | 5,000 | 1,300 | 3,400–4,600 |
| 000004715 | UIC Permit | Canceled Feb 4, 1987 | 0 | 0 | 0–0 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 349,722 · prior 12 410,811(-15%)
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/48900329, documented in the API reference.