42-211-34845

PRODUCING Horizontal

WILLIAM

HEMPHILL County · District 10 · UNBRIDLED RESOURCES LLC · FELDMAN (TONKAWA)

Permits

1

Max Depth

18,000 ft

First Permit

2011-02-10

Latest Activity

2011-02-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-07-27

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Permit: CHESAPEAKE OPERATING, INC.

Resolved via: productionUNBRIDLED RESOURCES, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-05

Last Production

2026-07

Lease Production

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

Formation Tops (4) Elevation 2,675 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE HEEBNER6,868 ft-4,193 ft
HASKELL7,523 ft-4,848 ft
TONKAWA 7,563 ft-4,888 ft
TONKAWA 7,567 ft-4,892 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 (1)

IntervalType
7,753–12,155 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"855 ft419 sx
7"6,942 ft227 sx

Permit History (1)

Applications (1)

#709806 A CHESAPEAKE OPERATING, INC.
received 2011-02-07

Records & Logs

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

W-2/G-1 2011-10-06
W-2/G-1 2011-08-02 log on file

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 HEMPHILL County.

Well Details

Well Number
1301H
Max Depth
18,000 ft
Drill Type
Horizontal
County
HEMPHILL
District
10
Completed
2011-07-27

Operator

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