42-211-34274

CLEVELAND

HEMPHILL County · District 10 · ZEPHYR LONE STAR OPER CO.,L.L.C.

Permits

2

Max Depth

11,200 ft

First Permit

2008-06-04

Latest Activity

2009-08-12

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-07

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 2,507 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
DOUGLAS 7,500 ft-4,993 ft
TONKAWA 8,230 ft-5,723 ft
CLEVELAND 9,570 ft-7,063 ft
GRANITE WASH 10,600 ft-8,093 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
10,616–10,962 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"996 ft470 sx
5.5"11,188 ft385 sx

Permit History (2)

Applications (2)

#683752 A ZEPHYR LONE STAR OPER CO.,L.L.C.
received 2009-08-03
#661837 A ZEPHYR LONE STAR OPER CO.,L.L.C.
received 2008-05-13

Records & Logs

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

W-2/G-1 2009-04-13 log on file
W-2/G-1 2009-09-25

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
1084
Max Depth
11,200 ft
Drill Type
Vertical
County
HEMPHILL
District
10

Operator

Location
OKLAHOMA CI, TY
P-5 Status
Active (filed 2026-02-02)
Cum Oil (all leases)
14,260 bbl
Cum Gas (all leases)
21,271,953 mcf
Activities
OPRS/G
Total Permits
30