WELL · 42-479-33578 · DISTRICT 4

Vergara 1680 #1

N

Webb County · Rancho Viejo (Lobo 6) field  · Vertical

Vergara 1680 #1 (API 42-479-33578) is a well in Webb County operated by Cox Oil & Gas Inc., completed May 15, 1983.

The RRC has issued 2 drilling permits between 1983 and 1989, permitted to 11,000 ft.

Completion filings report 5 formation tops, including Yegua, Queen City, Wilcox, Top Of Lobo.

No lease production has been reported under this well’s leases.

Operator of record

Cox Oil & Gas Inc.

Dallas, TX · P-5 Y, filed Feb 4, 1994 · 71 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCox Oil & Gas Inc.
Production reportsNewfield Exploration Companythrough Jun 2016
Latest permitCox Oil & Gas, Inc.Dec 7, 1989

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,000
total depth, ft
2
permits on file
Dec 7, 1989
last permit issued
May 15, 1983
completed
0
cumulative oil, bbl
3.08M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 15, 1983
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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Vergara 1680 G-4-132632Vaquillas Ranch (Lobo Cons.)Hilcorp Energy Company103.08MJan 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.

  1. 1EP Operating Limited PartnershipJan 1993 → Feb 1995
  2. 2Enserch Exploration, IncMar 1995 → Mar 1998
  3. 3Eex CorporationApr 1998 → Feb 2000
  4. 4Eex Operating, L.P.Mar 2000 → Jul 2003
  5. 5Newfield Exploration CompanyAug 2003 → Jun 2016

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
367189-99RecompletionCox Oil & Gas, Inc.Dec 4, 1989Dec 7, 1989—10,970
188404-99DrillCox, Edwin L. & Cox, Berry R.Mar 11, 1983Mar 11, 1983—11,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-132632————

Formation tops

As filed on W-2/G-1. Subsea from 622 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua2,170-1,548
Queen City3,750-3,128
Wilcox6,160-5,538
Top of Lobo9,580-8,958
Lobo 610,550-9,928

Perforations

Perforated and open-hole intervals.

FromToType
9,7589,782Perforated
10,65610,780Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,10614.75400 S
78,5949.875600 S
2.87510,556——

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
00Jan 9, 1992Dec 27, 1991—
00Jan 30, 1990Dec 4, 1989Yes
00Jan 13, 1990——
00Jan 12, 1984Oct 5, 1983—

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.

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/47933578, documented in the API reference.