← Wells

42-427-33060

BLOCK, E. HEIRS 'B'

STARR County · District 4 · OSBORN,W.B. OIL & GAS OPERATIONS

Permits

2

Max Depth

10,000 ft

First Permit

1997-11-26

Latest Activity

2024-05-31

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1998-03

Last Production

2026-07

Operator History

Chain of Custody

OLSEN ENERGY INC. 1998-2010→ OSBORN,W.B. OIL & GAS OPERATIONS 2010-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Gas
production & DCA →
Oil
production & DCA →

Formation Tops (1) Elevation 339 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA 9,706 ft-9,367 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-427-34779 N.R. MONTALVO · KILLAM OIL CO., LTD.
2.1 mi
Catahoula 1,260'Catahoula 3,418'Vicksburg 5,820'Wilcox —Yegua —Queen City —Miocene (undifferentiated) —Cook Mountain —Jackson —
✓ 42-427-34753 FUERTE VIDA WATERFLOOD UNIT · KA ENERGY OP CO. LLC
2.3 mi
Catahoula 3,000'Cook Mountain —Jackson —Wilcox —Yegua —Miocene (undifferentiated) —Queen City —Vicksburg —Catahoula —
✓ 42-427-34637 SAENZ · PATTERSON ENERGY CORPORATION
2.4 mi
3800' FRIO SAND 3,762'Frio 3,762'4100' FRIO SAND 4,100'4700' FRIO SAND 4,700'
✓ 42-427-34784 GARZA · KILLAM OIL CO., LTD.
2.4 mi
Catahoula 1,327'Catahoula 3,290'Vicksburg 6,369'Cook Mountain —Miocene (undifferentiated) —Queen City —Yegua —Jackson —Wilcox —
✓ 42-427-34759 FUERTE VIDA WATERFLOOD UNIT · KA ENERGY OP CO. LLC
2.5 mi
Miocene (undifferentiated) 1,034'Catahoula 2,935'Catahoula —Jackson —Wilcox —Yegua —Queen City —Cook Mountain —Vicksburg —
✓ 42-427-34817 MONTALVO, N. R. · TRIAD O&G, LLC
2.5 mi
Miocene (undifferentiated) 8'Catahoula 1,212'Catahoula 3,220'Vicksburg 5,480'Queen City —Yegua —Cook Mountain —Jackson —Wilcox —
✓ 42-427-34765 SAENZ, VICENTE STATE -C- · VALOR ENERGY, LLC
2.6 mi
Miocene (undifferentiated) 1,000'Catahoula 2,985'Jackson —Cook Mountain —Catahoula —Wilcox —Yegua —Queen City —Vicksburg —
✓ 42-427-34762 I.V. MONTALVO 'A' · KILLAM OIL CO., LTD.
2.7 mi
Catahoula 1,220'Catahoula 3,399'Vicksburg 5,753'Wilcox —Yegua —Queen City —Jackson —Cook Mountain —Miocene (undifferentiated) —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (4)

IntervalType
8,749–8,751 ftPerforated
8,749–8,751 ftOpen hole
8,764–8,776 ftPerforated
8,764–8,776 ftOpen hole

Casing (3)

SizeSet DepthCement
10.75"1,805 ft930 sx
7.625"7,894 ft670 sx
4.5"9,706 ft315 sx

Permit History (2)

#899782 Reclass

BLOCK, E. HEIRS 'B' · 9,706 ft

2024-05-31

#470327 Drill Final Completion

BLOCK, E. HEIRS "B" · 10,000 ft

1997-11-26

Spud 1997-12-17

Applications (2)

#899782 A OSBORN,W.B. OIL & GAS OPERATIONS
received 2024-05-16
#470327 A OLSEN ENERGY INC.
received 1997-11-20

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-05-09
W-2/G-1 1998-04-09 log on file
W-2/G-1 1998-04-16
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Google Maps → Explorer Map →
Lat 26.696262
Lon -98.533080

Well Details

Well Number
4
Max Depth
10,000 ft
Drill Type
Vertical
County
STARR
District
4
Operator
OSBORN,W.B. OIL & GAS OPERATIONS

Operator

Location
SAN ANTONIO
P-5 Status
Active (filed 2026-03-11)
Cum Oil (all leases)
1,408,555 bbl
Cum Gas (all leases)
1,013,165 mcf
Activities
CSGD/G, CSGD/P, G/PUR, OPRS/O
Total Permits
63