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42-211-34788

PRODUCING Horizontal

POWLEDGE

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

Permits

1

Max Depth

11,600 ft

First Permit

2010-10-01

Latest Activity

2010-10-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-04-22

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: GRANITE OPERATING COMPANY

Resolved via: production → PRESIDIO PETROLEUM LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2011-04

Last Production

2026-07

Operator History

Chain of Custody

GRANITE OPERATING COMPANY 2011-2012→ APACHE CORPORATION 2012-2019→ PRESIDIO PETROLEUM LLC 2019-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Gas
production & DCA →

Formation Tops (6) Elevation 2,564 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ANHYDRITE——
BASE HEEBNER——
BROWN DOLOMITE ——
CLEVELAND ——
GRWS——
MARMATON ——

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
11,767–14,498 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"552 ft708 sx
9.625"8,615 ft2,218 sx
5.5"14,620 ft1,400 sx

Permit History (1)

#702965 Drill Final Completion

POWLEDGE · 11,600 ft

2010-10-01

Spud 2010-12-14

Applications (1)

#702965 A GRANITE OPERATING COMPANY
received 2010-09-29

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2011-06-20 log on file
Completion packets + logs ↗ Wellbore filings ↗

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
4HC
Max Depth
11,600 ft
Drill Type
Horizontal
County
HEMPHILL
District
10
Operator
PRESIDIO PETROLEUM LLC
Completed
2011-04-22

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