42-211-34667

PRODUCING

HUFF

HEMPHILL County · District 10 · PRESIDIO PETROLEUM LLC · BUFFALO WALLOW (GRANITE WASH)

Permits

1

Max Depth

13,650 ft

First Permit

2010-01-26

Latest Activity

2010-01-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-05-27

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: GRANITE OPERATING COMPANY

Resolved via: productionPRESIDIO PETROLEUM LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2010-05

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 2,480 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BLUE SHALE6,065 ft-3,585 ft
UPPER DOUGLAS (Douglas)8,066 ft-5,586 ft
LOWER DOUGLAS (Douglas)8,273 ft-5,793 ft
CLEVELAND 9,948 ft-7,468 ft
GRWS11,147 ft-8,667 ft
ATOKA 13,372 ft-10,892 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 (6)

IntervalType
11,153–11,453 ftPerforated
11,512–11,833 ftPerforated
12,079–12,637 ftPerforated
12,718–12,727 ftPerforated
12,986–12,995 ftPerforated
13,150–13,159 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,465 ft1,162 sx
4.5"13,599 ft1,030 sx

Permit History (1)

Applications (1)

#689849 A GRANITE OPERATING COMPANY
received 2010-01-15

Records & Logs

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

W-2/G-1 2011-07-29
W-2/G-1 2010-07-06 log on file
W-2/G-1 2011-01-25

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
4001
Max Depth
13,650 ft
Drill Type
Vertical
County
HEMPHILL
District
10
Completed
2011-05-27

Operator

Location
CANADIAN
P-5 Status
Active (filed 2026-05-01)
Cum Oil (all leases)
5,427,043 bbl
Cum Gas (all leases)
184,872,360 mcf
Activities
OPRS/G, OPRS/O
Total Permits
13