TEXAS · WELLS · WEBB COUNTY · API 42-479-34401 · DISTRICT 04

State Lease B #4

Plugged

Webb County · Vaquillas Ranch (Lobo Cons.) field  · Vertical

State Lease B #4 (API 42-479-34401) is a plugged well in Webb County, plugged March 21, 2003, last operated by Conocophillips Company.

The RRC has issued one drilling permit, issued July 24, 1986, permitted to 12,300 ft.

It was permitted by Transamerican Natural Gas Corp. and has since transferred to Conocophillips Company on the wellbore schedule.

Completion filings report 4 formation tops, including Yegua, Queen City, Wilcox, Wills Point.

Operator of record

Conocophillips Company

Permitted by Transamerican Natural Gas Corp.; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Feb 3, 2026
Permits on file
3,290
Phone
(432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleConocophillips Company
Production reportsConoco Inc.through Jul 2001
Latest permitTransamerican Natural Gas Corp.Jul 24, 1986

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

12,300
total depth, ft
1
permits on file
Jul 24, 1986
last permit issued
Nov 1, 1995
completed
0
cumulative oil, bbl
277K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2003

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 1, 1995
Shut in
—
Plugged
Mar 21, 2003

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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
State Lease "B" G-4-123251Vaquillas Ranch (Lobo Cons.)Conocophillips Company10104KJan 1993 – Mar 2003
State Lease "B" G-4-123252Barnsley (Lobo)Transtexas Gas Corporation10173KJan 1993 – May 1996

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. 1Transamerican Natural Gas Corp.Jan 1993 → Jul 1993
  2. 2Transtexas Gas CorporationAug 1993 → May 1997
  3. 3Conoco Inc.Jun 1997 → Jul 2001

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
304513-99DrillTransamerican Natural Gas Corp.Jul 16, 1986Jul 24, 1986—12,300

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 1, 1995State Lease B G-4-123251Vaquillas Ranch (Lobo Cons.)Conocophillips CompanyPlugged—
Jan 19, 1987State Lease B G-4-123252Barnsley (Lobo)Transtexas Gas CorporationPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 744 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua2,720-1,976
Queen City4,510-3,766
WilcoxWILCOX (CARRIZO)6,300-5,556
WilcoxWILCOX(CARRIZO)6,300-5,556
WilcoxLOWER WILCOX8,800-8,056
Wills Point12,050-11,306

Perforations

Perforated and open-hole intervals.

FromToType
10,20210,221Perforated
10,79211,012Perforated
11,91712,008Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7575014.75530 S
7.6258,8899.875705 S
512,1006.75480 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
00Apr 16, 1996Dec 12, 1995—
00Mar 12, 1987Feb 3, 1987Yes
00Feb 19, 1987——

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/47934401, documented in the API reference.