42-211-33792

Final Completion

ISAACS

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

Permits

1

Max Depth

11,500 ft

First Permit

2006-12-07

Latest Activity

2006-12-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-02-12

Shut-In

Plugged

2020-09-15

!

EWA / Production operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Production: 4P ENERGY TEXAS, LLC (reported 2016-08)

!

EWA / Permit operator mismatch

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

Resolved via: schedulingUNBRIDLED RESOURCES LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2007-02

Last Production

2023-12

Lease Production

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

Formation Tops (9) Elevation 2,582 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
DOUGLAS 6,850 ft-4,268 ft
BASE HEEBNER6,880 ft-4,298 ft
TONKAWA 7,655 ft-5,073 ft
MISSIOURIAN8,150 ft-5,568 ft
CLEVELAND 8,621 ft-6,039 ft
DES MOINES 9,455 ft-6,873 ft
GRAINTE WASH9,577 ft-6,995 ft
GRANITE WASH 9,577 ft-6,995 ft
ATOKA LIME (Atoka)10,859 ft-8,277 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)

IntervalType
10,028–10,090 ftPerforated
10,028–10,160 ftPerforated
10,427–10,532 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"2,469 ft975 sx
4.5"10,950 ft350 sx
4.5"10,995 ft350 sx

Permit History (1)

Applications (1)

#630136 A GRAYHAWK OPERATING, INC.
received 2006-12-06

Records & Logs

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

W-2/G-1 2007-03-14 log on file
W-2/G-1 2007-10-29 log on file
W-2/G-1 2008-01-10

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
1200
Max Depth
11,500 ft
Drill Type
Vertical
County
HEMPHILL
District
10
Completed
2007-02-12

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