WELL · 42-427-33060 · DISTRICT 4

Block, E. Heirs 'B' #4

N

Starr County  · Vertical

Block, E. Heirs 'B' #4 (API 42-427-33060) is a permitted well in Starr County filed by Osborn,W.B. Oil & Gas Operations; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1997 and 2024, permitted to 10,000 ft.

Completion filings report one formation top, including Yegua.

Its 2 leases have reported 1.35K barrels of oil and 309K mcf of gas since March 1998, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Osborn,w.b. Oil & Gas Operations

San Antonio, TX · P-5 Y, filed Feb 4, 2026 · 63 permits on file · (210) 826-8654

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsOsborn,w.b. Oil & Gas Operationsthrough Apr 2026
Latest permitOsborn,w.b. Oil & Gas OperationsMay 31, 2024
10,000
total depth, ft
2
permits on file
May 31, 2024
last permit issued
—
completed
1.35K
cumulative oil, bbl
309K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 1998 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

26.696262, -98.533080

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Starr County.

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
Block, E. Heirs "B" O-4-14238Sun, West (8800)Osborn,w.b. Oil & Gas Operations11.35K0May 2022 – Jul 2026
Block, E. Heirs "B" G-4-167516Sun, West (8800)Osborn,w.b. Oil & Gas Operations10309KMar 1998 – Jul 2024

Oil, barrels lease total

Last 12 months 283 · prior 12 302(-6%)

0102030202420252026

Chain of custody

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

  1. 1Olsen Energy Inc.Mar 1998 → Mar 2010
  2. 2Osborn,w.b. Oil & Gas OperationsApr 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
899782-99ReclassOsborn,w.b. Oil & Gas OperationsMay 16, 2024May 31, 2024—9,706
470327-99DrillOlsen Energy Inc.Nov 20, 1997Nov 26, 1997Dec 17, 199710,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-167516————
—— O-4-14238————

Formation tops

As filed on W-2/G-1. Subsea from 339 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua9,706-9,367

Perforations

Perforated and open-hole intervals.

FromToType
8,7498,751Perforated
8,7498,751Open hole
8,7648,776Perforated
8,7648,776Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,80514.75930 S
7.6257,8949.875670 S
4.59,7066.75315 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
00Jun 7, 2024May 9, 2024—
00Apr 28, 1998Apr 9, 1998Yes
00Apr 16, 1998——

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

N.R. Montalvo42-427-34779

3.4 KM · Killam Oil Co., Ltd. · Section with this well →

Catahoula1,260-915
Catahoula3,418-3,073
Vicksburg5,820-5,475
Miocene (undifferentiated)—
Queen City—
Yegua—
Wilcox—
Cook Mountain—

9 TOPS · FIRST 8

Fuerte Vida Waterflood Unit42-427-34753

3.7 KM · KA Energy OP Co. LLC · Section with this well →

Catahoula3,000-2,629
Queen City—
Wilcox—
Yegua—
Vicksburg—
Jackson—
Miocene (undifferentiated)—
Catahoula—

9 TOPS · FIRST 8

Saenz42-427-34637

3.9 KM · Patterson Energy Corporation · Section with this well →

Frio3,762-3,385
3800' Frio Sand3,762-3,385
4100' Frio Sand4,100-3,723
4700' Frio Sand4,700-4,323

Garza42-427-34784

3.9 KM · Killam Oil Co., Ltd. · Section with this well →

Catahoula1,327-1,008
Catahoula3,290-2,971
Vicksburg6,369-6,050
Queen City—
Miocene (undifferentiated)—
Jackson—
Cook Mountain—
Yegua—

9 TOPS · FIRST 8

Fuerte Vida Waterflood Unit42-427-34759

4.1 KM · KA Energy OP Co. LLC · Section with this well →

Miocene (undifferentiated)1,034-657
Catahoula2,935-2,558
Catahoula—
Wilcox—
Vicksburg—
Queen City—
Jackson—
Cook Mountain—

9 TOPS · FIRST 8

Montalvo, N. R.42-427-34817

4.1 KM · Triad O&G, LLC · Section with this well →

Miocene (undifferentiated)8353
Catahoula1,212-851
Catahoula3,220-2,859
Vicksburg5,480-5,119
Queen City—
Jackson—
Cook Mountain—
Yegua—

9 TOPS · FIRST 8

Saenz, Vicente State -C-42-427-34765

4.2 KM · Valor Energy, LLC · Section with this well →

Miocene (undifferentiated)1,000-621
Catahoula2,985-2,606
Yegua—
Wilcox—
Vicksburg—
Queen City—
Jackson—
Cook Mountain—

9 TOPS · FIRST 8

I.V. Montalvo 'A'42-427-34762

4.4 KM · Killam Oil Co., Ltd. · Section with this well →

Catahoula1,220-866
Catahoula3,399-3,045
Vicksburg5,753-5,399
Miocene (undifferentiated)—
Cook Mountain—
Jackson—
Wilcox—
Yegua—

9 TOPS · FIRST 8

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/42733060, documented in the API reference.