42-427-34190

Final Completion

JFB HEARD ESTATE

STARR County · District 4 · SHELL WESTERN E&P · WILDCAT

Permits

Max Depth

20,000 ft

First Permit

2007-11-14

Latest Activity

2021-06-14

Lifespan

14 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-03-14

Shut-In

—

Plugged

2009-12-11

EWA / Permit operator mismatch

Scheduling: SHELL WESTERN E&P ≠ Permit: SAGE GEOSYSTEMS LLC

Resolved via: scheduling → SHELL WESTERN E&P

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-03

Last Production

2026-07

Operator History

originally filed by SAGE GEOSYSTEMS LLC — asset transferred

Lease Production

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

Formation Tops (5) Elevation 447 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
VICKSBURG U (Vicksburg)	7,050 ft	-6,603 ft
VICKSBURGU	7,050 ft	-6,603 ft
VICKSBURG V (Vicksburg)	7,230 ft	-6,783 ft
VICKSBURG V (Vicksburg)	7,238 ft	-6,791 ft
VICKSBURG V4 (Vicksburg)	7,441 ft	-6,994 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

✓ 42-427-33282 COATES 553 · TEXAS INDEPENDENT EXPLOR., INC.

1.2 mi

Frio 4,220'Vicksburg 4,830'FIRST RINCON 5,930'VX II 6,700'

✓ 42-427-34816 CAMERON-STATE · DAHCO OPERATING, LLC

1.3 mi

Miocene (undifferentiated) 1,030'Catahoula 1,950'Catahoula 4,034'Vicksburg 5,170'Yegua —Cook Mountain —Queen City —Jackson —Wilcox —

✓ 42-427-32856 MARTINEZ B · SAMEDAN OIL CORPORATION

1.7 mi

Jackson 190'Miocene (undifferentiated) 650'Vicksburg 700'Catahoula 970'Catahoula 1,200'Yegua 1,800'Queen City 2,300'VICKSBURG5200 5,177'Cook Mountain 5,310'Vicksburg 6,554'Wilcox 8,900'

✓ 42-427-33369 MARTINEZ B · SAMEDAN OIL CORPORATION

1.9 mi

Jackson 190'Miocene (undifferentiated) 650'Vicksburg 700'Catahoula 970'Catahoula 1,200'Yegua 1,800'Cook Mountain 2,300'Queen City 2,300'F-1A 3,450'F-6 4,356'2ND RINCON 5,664'VXB 6400 6,416' +2 more

✓ 42-427-31950 SAENZ, M. -STATE · SUN EXPL. & PROD. CO.-CORPUS

2.3 mi

Vicksburg 5,975'Vicksburg 6,022'Vicksburg 6,144'Vicksburg 6,163'

✓ 42-427-33080 MARTINEZ B · SAMEDAN OIL CORPORATION

2.3 mi

P-1A 3,434'F-6 4,332'TOP RINCON 5,666'VICKSBURG6700 6,818'

✓ 42-427-34775 M. SAENZ STATE · KILLAM OIL CO., LTD.

2.4 mi

Catahoula 1,330'Catahoula 2,937'Vicksburg 4,928'Cook Mountain —Queen City —Miocene (undifferentiated) —Yegua —Jackson —Wilcox —

✓ 42-427-33303 GARZA, A. M. STATE · SHELL WESTERN E&P

2.7 mi

VX S UPPER 6,710'VX V 7,028'VICKSBURGV 7,270'Vicksburg 7,270'VX W 7,567'

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 (1)

Interval	Type
8,520–8,530 ft	Perforated

Casing (3)

Size	Set Depth	Cement
—	2,500 ft	1,735 sx
9.625"	7,163 ft	591 sx
11.75"	7,500 ft	1,450 sx

Permit History (2)

#870218 Reenter Final Completion

JFB HEARD ESTATE · 19,300 ft

2021-06-14

Spud 2021-11-19

#649237 Drill Final Completion

JFB HEARD ESTATE · 20,000 ft

2007-11-14

Spud 2007-12-09

Applications (2)

#870218 A SAGE GEOSYSTEMS LLC

received 2021-06-02

#649237 A SHELL WESTERN E&P

received 2007-11-08

Records & Logs

3 completion filings on record · 2 with log images at RRC.

W-2/G-1 2022-10-28 log on file

W-2/G-1 2008-05-19 log on file

W-2/G-1 2008-08-02

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 26.576183

Lon -98.567087

Well Details

Well Number: 1
Max Depth: 20,000 ft
Drill Type: Vertical
County: STARR
District: 4
Operator: SHELL WESTERN E&P
Completed: 2008-03-14

Operator

Name: SHELL WESTERN E&P
Location: HOUSTON
P-5 Status: Delinquent (filed 2021-01-04)
Cum Oil (all leases): 109,966,284 bbl
Cum Gas (all leases): 1,378,771,265 mcf
Activities: GTHS/C, GTHS/O
Total Permits: 1,756