42-461-32066

Final Completion

JACOBS LIVESTOCK B

UPTON County · District 7 · EXTEX OPERATING COMPANY · HELUMA SE (DEVONIAN)

Permits

Max Depth

9,400 ft

First Permit

1983-09-13

Latest Activity

2000-03-08

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2002-05-09

Shut-In

—

Plugged

2016-01-18

EWA / Permit operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Permit: SAMSON LONE STAR LP

Resolved via: scheduling → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

ORYX ENERGY COMPANY 1993-1995→ SAMSON HYDROCARBONS COMPANY 1995-1996→ SAMSON LONE STAR LP 1996-2007→ SAMSON LONE STAR, LLC 2007-2010→ THREE RIVERS OPERATING CO LLC 2011-2012→ COG OPERATING LLC 2012-2012→ LEGACY RESERVES OPERATING LP 2013-2020→ EXTEX OPERATING COMPANY 2021-2025

Lease Production

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

Formation Tops (12) Elevation 3,128 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	3,225 ft	-97 ft
INTRA WOLFCAMP DETRITAL	7,048 ft	-3,920 ft
INTRA WOLFCAMP DEXRITAL	7,048 ft	-3,920 ft
BASAL PERMIAN (Permian (undifferentiated))	7,721 ft	-4,593 ft
CISCO	7,853 ft	-4,725 ft
CISCO	7,953 ft	-4,825 ft
STRAWN DET (Strawn)	8,085 ft	-4,957 ft
ATOKA	8,453 ft	-5,325 ft
BARNETT	8,650 ft	-5,522 ft
WOODFORD	8,888 ft	-5,760 ft
DEVOMAN	9,028 ft	-5,900 ft
DEVONIAN	9,028 ft	-5,900 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 ↗

Perforations (9)

Interval	Type
3,183–3,279 ft	Perforated
7,859–7,902 ft	Perforated
8,194–8,205 ft	Perforated
8,216–8,226 ft	Perforated
8,259–8,269 ft	Perforated
8,259–8,290 ft	Perforated
9,076–9,110 ft	Perforated
9,120–9,148 ft	Perforated
9,152–9,168 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	670 ft	570 sx
8.625"	3,185 ft	1,150 sx
5.5"	9,300 ft	1,300 sx

Permit History (4)

#492560 Recompletion Final Completion

JACOBS LIVESTOCK "B" · 9,400 ft

2000-03-08

Spud 2002-04-23

#364125 Recompletion Final Completion

JACOBS LIVESTOCK "B" · 4,000 ft

1989-09-19

#279617 Recompletion U

JACOBS LIVESTOCK "B" · 9,300 ft

1985-07-05

#211386 Drill Final Completion

LIVESTOCK, JACOBS "B" · 9,400 ft

1983-09-13

Spud 1983-10-14

Applications (4)

#492560 A SAMSON LONE STAR LP

received 2000-02-29

#364125 A ORYX ENERGY COMPANY

received 1989-09-19

#279617 A SUN EXPL. & PROD. CO.-MIDLAND

received 1985-06-14

#211386 A SUN EXPLORATION & PRODUCTION CO.

received 1983-09-09

Records & Logs

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

W-2/G-1 2002-08-06

W-2/G-1 1990-04-27 log on file

W-2/G-1 1990-06-05

W-2/G-1 1985-11-14

W-2/G-1 1985-11-28

+2 more filings

Completion packets + logs ↗ Wellbore filings ↗

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

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in UPTON County.

Well Details

Well Number: 2
Max Depth: 9,400 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: EXTEX OPERATING COMPANY
Completed: 2002-05-09

Operator

Name: EXTEX OPER CO
Location: HOUSTON
P-5 Status: Active (filed 2026-01-07)
Cum Oil (all leases): 5,887,486 bbl
Cum Gas (all leases): 10,031,045 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 117