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

Permits

1

Max Depth

13,500 ft

First Permit

2004-08-20

Latest Activity

2004-08-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2004-12-22

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Production operator mismatch

Scheduling: PRESIDIO PETROLEUM LLC ≠ Production: UNIT PETROLEUM COMPANY (reported 2013-06)

!

EWA / Permit operator mismatch

Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: PATINA OIL & GAS CORPORATION

Resolved via: schedulingPRESIDIO PETROLEUM LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2004-12

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 (5) Elevation 2,640 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
OSWEGO 10,505 ft-7,865 ft
GRANITE WASH 10,908 ft-8,268 ft
GRANITE WASH A-1 (Granite Wash)10,970 ft-8,330 ft
GRANITE WASH B (Granite Wash)11,145 ft-8,505 ft
GRANITE WASH C (Granite Wash)11,402 ft-8,762 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 (2)

IntervalType
10,912–10,919 ftPerforated
11,245–11,514 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"3,211 ft1,320 sx
4.5"11,700 ft410 sx

Permit History (1)

Applications (1)

#549880 A PATINA OIL & GAS CORPORATION
received 2004-08-20

Records & Logs

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

W-2/G-1 2005-02-14 log on file
W-2/G-1 2005-03-31

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
810P
Max Depth
13,500 ft
Drill Type
Vertical
County
HEMPHILL
District
10
Completed
2004-12-22

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