← Wells

42-237-35003

Final Completion

DUNLAP BLACKJACK THICKET

JACK County · District 9 · WESTERN CHIEF OIL & GAS COMPANY · TJN (STRAWN)

Permits

2

Max Depth

4,999 ft

First Permit

1983-02-18

Latest Activity

1984-09-10

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-04-01

Shut-In

—

Plugged

2017-11-17

!

EWA / Production operator mismatch

Scheduling: WESTERN CHIEF OIL & GAS COMPANY ≠ Production: OAKRIDGE OIL AND GAS, LP (reported 2021-02)

Resolved via: scheduling → WESTERN CHIEF OIL & GAS COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2025-05

Operator History

Chain of Custody

WESTERN CHIEF OIL & GAS COMPANY 1993-2008→ WESTERN CHIEF OPERATING, L.L.C. 2008-2012→ OAKRIDGE OIL AND GAS, LP 2012-2019

Lease Production

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

Oil
production & DCA →

Formation Tops (2) Elevation 1,225 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
STRAWN SAND (Strawn)4,030 ft-2,805 ft
ATOKA CONGLOMERATE (Atoka)4,900 ft-3,675 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 (2)

IntervalType
4,030–4,056 ftPerforated
4,900–4,908 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"225 ft160 sx
2.375"4,038 ft—
4.5"4,940 ft270 sx

Permit History (2)

#251320 Recompletion Final Completion

DUNLAP BLACKJACK THICKET · 4,999 ft

1984-09-10

#186446 Drill Final Completion

DUNLAP BLACKJACK THICKET · 4,999 ft

1983-02-18

Applications (2)

#251320 A WESTERN CHIEF OIL & GAS COMPANY
received 1984-08-31
#186446 A WESTERN CHIEF OIL & GAS COMPANY
received 1983-02-18

Records & Logs

3 completion filings on record.

W-2/G-1 1984-09-27
W-2/G-1 1984-10-05
W-2/G-1 1983-08-02
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.

No GPS coordinates yet

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

Well Details

Well Number
1
Max Depth
4,999 ft
Drill Type
Vertical
County
JACK
District
9
Operator
WESTERN CHIEF OIL & GAS COMPANY
Completed
1983-04-01

Operator

Location
GRAHAM
P-5 Status
Inactive (filed 2007-11-06)
Cum Oil (all leases)
585,145 bbl
Cum Gas (all leases)
18,729,926 mcf
Total Permits
339