42-211-34103

PRODUCING

HEFLEY

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

Permits

1

Max Depth

13,600 ft

First Permit

2008-01-07

Latest Activity

2008-01-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-05-13

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

2008-05

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 2,566 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BROWN DOLOMITE 4,494 ft-1,928 ft
HEEBNER SHALE8,069 ft-5,503 ft
DOUGLAS 8,175 ft-5,609 ft
CLEVELAND 10,255 ft-7,689 ft
GRANITE WASH 11,130 ft-8,564 ft
ATOKA 13,269 ft-10,703 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
12,226–12,651 ftPerforated
12,720–13,089 ftPerforated
13,119–13,455 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,509 ft1,227 sx
4.5"13,595 ft915 sx

Permit History (1)

Applications (1)

#652210 A GRANITE OPERATING COMPANY
received 2007-12-31

Records & Logs

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

W-2/G-1 2008-07-07 log on file
W-2/G-1 2008-09-30

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
1239
Max Depth
13,600 ft
Drill Type
Vertical
County
HEMPHILL
District
10
Completed
2008-05-13

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