42-211-34545

PRODUCING Horizontal

ISAACS

HEMPHILL County · District 10 · UNBRIDLED RESOURCES LLC · MENDOTA NW. (GRANITE WASH)

Permits

1

Max Depth

14,000 ft

First Permit

2008-12-08

Latest Activity

2008-12-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2009-05-06

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

2009-05

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 (6) Elevation 2,441 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
DES MOINES A (Des Moines)9,630 ft-7,189 ft
DES MOINES B (Des Moines)9,939 ft-7,498 ft
DES MOINES C (Des Moines)10,080 ft-7,639 ft
DES MOINES D (Des Moines)10,208 ft-7,767 ft
DES MOINES E (Des Moines)10,337 ft-7,896 ft
DES MOINES F (Des Moines)10,424 ft-7,983 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
10,414–12,567 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,205 ft850 sx
7"9,860 ft250 sx

Permit History (1)

Applications (1)

#675808 A CHESAPEAKE OPERATING, INC.
received 2008-12-03

Records & Logs

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

W-2/G-1 2009-09-10 log on file
W-2/G-1 2009-12-09

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
4201H
Max Depth
14,000 ft
Drill Type
Horizontal
County
HEMPHILL
District
10
Completed
2009-05-06

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