WELL · 42-103-04750 · DISTRICT 8

Tubb, J. B. #4

N

Crane County  · Vertical

Tubb, J. B. #4 (API 42-103-04750) is a permitted well in Crane County filed by Lario Oil & Gas Company; no completion report is on file yet.

The RRC has issued 5 drilling permits (amended 3 times) between 1978 and 2007, permitted to 5,000 ft.

Completion filings report 6 formation tops, including Sand Hills Mcknight, McKnight, San Angelo, Clear Fork.

Its 4 leases have reported 259K barrels of oil and 3.52M 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

Lario Oil & Gas Company

Based in
Odessa, TX
P-5 status
Delinquent (D)
P-5 last filed
Jun 23, 2025
Permits on file
448
Phone
(303) 595-8030

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsLario Oil & Gas Companythrough Apr 2026
Latest permitLario Oil & Gas CompanyAug 2, 2007
5,000
total depth, ft
8
permits on file
Aug 2, 2007
last permit issued
—
completed
259K
cumulative oil, bbl
3.52M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
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 4 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Tubb, J. B. G-10-75635Sand Hills (McKnight)Lario Oil & Gas Company10981KJan 1993 – Jul 2026
Tubb, J. B. G-10-155933Sand Hills (Clear Fork 4070)Lario Oil & Gas Company10302KAug 1995 – Jul 2026
Tubb, J.B. O-10-34398Sand Hills (San Angelo)Lario Oil & Gas Company2169K955KFeb 1995 – Jul 2026
Tubb, J. B. O-10-37589Sand Hills (San Angelo, Upper)Lario Oil & Gas Company590.2K1.29MMay 2005 – Jul 2026

Gas, mcf lease total

Last 12 months 67,429 · prior 12 96,873(-30%)

05K10K15K202420252026

Oil, barrels lease total

Last 12 months 2,604 · prior 12 3,841(-32%)

0200400600202420252026

Chain of custody

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

  1. 1Lario Oil & Gas CompanyJan 1993 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
643085-98RecompletionLario Oil & Gas CompanyJun 26, 2008Aug 2, 2007Jul 18, 20085,000
643085-99RecompletionLario Oil & Gas CompanyJul 23, 2007Aug 2, 2007—5,000
600560-99RecompletionLario Oil & Gas CompanyMay 11, 2005Jul 12, 2005—4,548
497320-99RecompletionLario Oil & Gas CompanyJul 18, 2000Jul 28, 2000—4,548
434987-97RecompletionLario Oil & Gas CompanyMay 22, 1995Apr 19, 1995Aug 16, 19954,130
434987-98RecompletionLario Oil & Gas CompanyMay 8, 1995Apr 19, 1995—4,130
434987-99RecompletionLario Oil & Gas CompanyApr 17, 1995Apr 19, 1995—4,130
16762-99RecompletionLario Oil & Gas CompanyJan 20, 1978Jan 20, 1978—4,130

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-75635————
—— G-10-155933————
—— O-10-34398————
—— O-10-37589————

Formation tops

As filed on W-2/G-1. Subsea from 2,600 ft elevation.Download CSV →

FormationMD ftSubsea
Sand Hills McKnight2,916-316
McKnight2,976-376
San AngeloSAN ANGELO (UPPER)3,460-860
San Angelo3,800-1,200
Clear ForkCLEARFORK 40704,081-1,481
Sand Hills Clearfork4,081-1,481
Tubb4,280-1,680

Perforations

Perforated and open-hole intervals.

FromToType
2,9163,222Perforated
2,9763,222Perforated
3,4603,712Perforated
3,8003,810Perforated
4,0814,088Perforated
4,0814,188Perforated
4,2704,650Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62558011175 S
2.3752,922——
5.54,4457.875300 S
5.54,445—300 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 27, 2009Sep 15, 2008Yes
00Mar 13, 2009——
00Feb 5, 2009——
00Feb 24, 1999Oct 14, 1998—
00Dec 21, 1995Oct 16, 1995Yes
00Nov 13, 1995——
00Jan 12, 1984Mar 28, 1978Yes
00Jan 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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/10304750, documented in the API reference.