42-211-34643

PRODUCING

RAMP 26

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

Permits

Max Depth

19,650 ft

First Permit

2009-11-03

Latest Activity

2014-02-03

Lifespan

4 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-03-02

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: APACHE CORPORATION

Resolved via: scheduling → PRESIDIO PETROLEUM LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2010-03

Last Production

2026-07

Operator History

Chain of Custody

GRANITE OPERATING COMPANY 2010-2012→ APACHE CORPORATION 2012-2019→ PRESIDIO PETROLEUM LLC 2019-2025

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 (5) Elevation 2,446 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UPPER DOUGLAS (Douglas)	7,856 ft	-5,410 ft
LOWER DOUGLAS (Douglas)	8,011 ft	-5,565 ft
CLEVELAND	9,693 ft	-7,247 ft
GRWS	10,198 ft	-7,752 ft
ATOKA	12,803 ft	-10,357 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)

Interval	Type
10,201–10,738 ft	Perforated
10,826–11,187 ft	Perforated
11,228–11,528 ft	Perforated
11,571–11,840 ft	Perforated
11,911–12,315 ft	Perforated
12,376–12,863 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	2,478 ft	1,365 sx
4.5"	13,000 ft	1,007 sx

Permit History (2)

#777566 Field Transfer Final Completion

RAMP 26 · 19,650 ft

2014-02-03

Spud 2010-01-14

#686762 Drill Final Completion

RAMP · 13,200 ft

2009-11-03

Spud 2010-01-12

Applications (2)

#777566 A APACHE CORPORATION

received 2014-01-17

#686762 A GRANITE OPERATING COMPANY

received 2009-10-29

Records & Logs

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

W-2/G-1 2014-02-27

W-2/G-1 2010-05-11 log on file

W-2/G-1 2010-12-09

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: 4
Max Depth: 19,650 ft
Drill Type: Vertical
County: HEMPHILL
District: 10
Operator: PRESIDIO PETROLEUM LLC
Completed: 2010-03-02

Operator

Name: PRESIDIO PETRO LLC
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