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SELLERS

OCHILTREE County · District 10 · UNBRIDLED RESOURCES LLC · PSHIGODA N. (DES MOINES)

Permits

Max Depth

7,400 ft

First Permit

1985-01-17

Latest Activity

2003-07-18

Lifespan

18 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1985-03-03

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Permit: LATIGO PETROLEUM, INC

Resolved via: scheduling → UNBRIDLED RESOURCES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

HORIZON OIL & GAS CO. 1993-1994→ SONAT EXPLORATION COMPANY-MCR 1995-1999→ LATIGO PETROLEUM, INC 2003-2003→ LATIGO PETROLEUM TEXAS, LP 2003-2009→ LATIGO PETROLEUM, INC. 2009-2011→ PLAINS EXPLORATION & PROD. CO. 2011-2012→ LINN OPERATING, INC. 2012-2014→ ENERVEST OPERATING, L.L.C. 2015-2016

Lease Production

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

Formation Tops (6) Elevation 2,965 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BROWN DOLOMITE	3,430 ft	-465 ft
DOUGLAS	4,790 ft	-1,825 ft
TONKAWA	5,545 ft	-2,580 ft
KANSAS CITY	6,550 ft	-3,585 ft
CLEVELAND	6,830 ft	-3,865 ft
DES MOINES	7,022 ft	-4,057 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 (3)

Interval	Type
6,837–6,849 ft	Perforated
6,872–6,894 ft	Perforated
7,082–7,158 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,498 ft	850 sx
4.5"	7,377 ft	250 sx

Permit History (2)

#534226 Recompletion Final Completion

SELLERS · 7,400 ft

2003-07-18

Spud 2003-07-28

#264518 Drill Final Completion

SELLERS · 7,400 ft

1985-01-17

Spud 1985-01-25

Applications (2)

#534226 A LATIGO PETROLEUM, INC

received 2003-07-16

#264518 A HORIZON OIL & GAS CO.

received 1985-01-10

Records & Logs

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

W-2/G-1 2003-09-22 log on file

W-2/G-1 2003-10-07

W-2/G-1 1985-04-03

W-2/G-1 1985-04-12

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.

No GPS coordinates yet

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

Well Details

Well Number: 4020
Max Depth: 7,400 ft
Drill Type: Vertical
County: OCHILTREE
District: 10
Operator: UNBRIDLED RESOURCES LLC
Completed: 1985-03-03

Operator

Name: UNBRIDLED RES, LLC
Location: OKLAHOMA CI, TY
P-5 Status: Active (filed 2025-12-17)
Cum Oil (all leases): 2,156,940 bbl
Cum Gas (all leases): 150,390,040 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 6