WELL · 42-489-30126 · DISTRICT 4

Willamar West Unit #140

N

Willacy County · Willamar West field  · Vertical

Willamar West Unit #140 (API 42-489-30126) is a well in Willacy County operated by Citation Oil & Gas Corp., completed October 16, 1991.

The RRC has issued one drilling permit, issued April 26, 2012, permitted to 7,980 ft.

Completion filings report 8 formation tops, including 4450 Sand, 5000 Sand, 5000' Sand, 5300 Sand.

Its 2 leases have reported 3.5M barrels of oil and 3.84M mcf of gas since January 1993, last reporting in July 2026. The leases carry 215 wells, so these are lease totals, not this well alone.

Operator of record

Citation Oil & Gas Corp.

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 scheduleCitation Oil & Gas Corp.
Production reportsCitation Oil & Gas Corp.through Apr 2026
Latest permitCitation Oil & Gas Corp.Apr 26, 2012
7,980
total depth, ft
1
permits on file
Apr 26, 2012
last permit issued
Oct 16, 1991
completed
3.5M
cumulative oil, bbl
3.84M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 16, 1991
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 215 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Willamar West Unit O-4-3391Willamar, WestCitation Oil & Gas Corp.2073.02M3.17MJan 1993 – Jul 2026
Willamar West Miocene Unit O-4-9525Willamar, West (Miocene 5300)Citation Oil & Gas Corp.8475K663KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 34,206 · prior 12 35,336(-3%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 8,891 · prior 12 19,284(-54%)

02K4K6K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Citation Oil & Gas Corp.Jan 1993 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
737540-99RecompletionCitation Oil & Gas Corp.Apr 4, 2012Apr 26, 2012Sep 10, 20127,980

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-4-3391————
—— O-4-9525————

Formation tops

As filed on W-2/G-1. Subsea from 15 ft elevation.Download CSV →

FormationMD ftSubsea
4450 Sand4,459-4,444
5000 Sand5,023-5,008
5000' Sand5,023-5,008
5300 Sand5,282-5,267
5300' Sand5,282-5,267
6350 Sand6,316-6,301
6350' Sand6,316-6,301
FrioFRIO 1 SAND7,835-7,820
FrioFRIO 2 SAND7,924-7,909

Perforations

Perforated and open-hole intervals.

FromToType
5,2765,282Perforated
7,8627,906Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,49013.5900 S
5.57,9908.51,100 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Mar 4, 2013Oct 30, 2012—
00Jan 16, 2013Oct 2, 2012—
00Nov 20, 1991Oct 21, 1991—
00Jan 12, 1984Dec 2, 1977—

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.

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

0
bbl, last 12 reported months
168K
bbl, all reported
May 2013
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000004755H-1 InjectionCanceled Jul 20, 20164501,6007,862–7,954

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 0 · prior 12 0

0120122013

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/48930126, documented in the API reference.