42-211-32560

TEMP ABANDONED

ZYBACH 66

HEMPHILL County · District 10 · UNBRIDLED RESOURCES LLC · BUFFALO WALLOW (GRANITE WASH)

Permits

1

Max Depth

11,700 ft

First Permit

2001-12-28

Latest Activity

2001-12-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2002-03-14

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Production operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Production: ENERVEST OPERATING, L.L.C. (reported 2015-05)

!

EWA / Permit operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Permit: DOMINION OKLAHOMA TEXAS E&P, INC

Resolved via: schedulingUNBRIDLED RESOURCES LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2002-03

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 2,700 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
T/BROWN DOLOMITE4,685 ft-1,985 ft
B/HEEBNER-T/DOUGLAS8,120 ft-5,420 ft
T/TONKAWA8,894 ft-6,194 ft
AVANT LS9,492 ft-6,792 ft
T/GRANITE WASH10,072 ft-7,372 ft
T/GRANITE WASH A&B11,232 ft-8,532 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
11,007–11,462 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,547 ft660 sx
5.5"11,580 ft300 sx

Permit History (1)

Applications (1)

#516484 A DOMINION OKLAHOMA TEXAS E&P, INC
received 2001-12-28

Records & Logs

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

W-2/G-1 2002-05-09 log on file
W-2/G-1 2002-06-03

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
3
Max Depth
11,700 ft
Drill Type
Vertical
County
HEMPHILL
District
10
Completed
2002-03-14

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