42-211-34367

PRODUCING

HEMPHILL WALSER 11

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

Permits

2

Max Depth

13,950 ft

First Permit

2008-08-07

Latest Activity

2008-08-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-10-18

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

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

Resolved via: scheduling → UNBRIDLED RESOURCES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-09

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 (14) Elevation 2,672 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
T/BROWN DOLOMITE4,508 ft-1,836 ft
B/HEEBNER - T/DOUGLAS8,003 ft-5,331 ft
B/HEEBNER-T/DOUGLAS8,003 ft-5,331 ft
T/TONKAWA8,745 ft-6,073 ft
T/BRITT GRANITE WASH11,053 ft-8,381 ft
GW "A"11,132 ft-8,460 ft
GW "A","B","C"11,132 ft-8,460 ft
GW "B"11,404 ft-8,732 ft
GW "C"11,588 ft-8,916 ft
GW "D" SHALE11,898 ft-9,226 ft
GW "D" SHALE, "E", "F"11,898 ft-9,226 ft
GW "E" SHALE11,958 ft-9,286 ft
GW "F" SHALE12,087 ft-9,415 ft
ATOKA WASH (Atoka)12,402 ft-9,730 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
11,082–13,370 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"3,240 ft1,875 sx
5.5"13,450 ft405 sx

Permit History (2)

Applications (2)

#667192 A LINN OPERATING, INC.
received 2008-08-07
#667192 A LINN OPERATING, INC.
received 2008-07-21

Records & Logs

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

W-2/G-1 2009-04-08
W-2/G-1 2008-12-04 log on file
W-2/G-1 2009-02-20

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
31
Max Depth
13,950 ft
Drill Type
Vertical
County
HEMPHILL
District
10
Completed
2008-10-18

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