42-483-30611

Final Completion

HEFLEG W. R. GAS UNIT

WHEELER County · District 10 · LEEDE OIL & GAS INC. · BILLY ROSE(GRANITE WASH 7800)

Permits

2

Max Depth

17,500 ft

First Permit

1979-01-12

Latest Activity

2004-09-24

Lifespan

26 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1979-07-01

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: LEEDE OIL & GAS INC. ≠ Production: PRESIDIO PETROLEUM LLC (reported 2026-03)

!

EWA / Permit operator mismatch

Scheduling: LEEDE OIL & GAS INC. ≠ Permit: PATINA OIL & GAS CORPORATION

Resolved via: productionPRESIDIO PETROLEUM LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 2,215 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BROWN DOLOMITE 3,524 ft-1,309 ft
GRANITE WASH 3,620 ft-1,405 ft
ERODED SYLVAN14,054 ft-11,839 ft
VIOLA 14,165 ft-11,950 ft
SIMPSON 14,673 ft-12,458 ft
ELLENBURGER 15,403 ft-13,188 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 (4)

IntervalType
5,021–5,042 ftPerforated
5,388–7,880 ftPerforated
5,598–5,821 ftPerforated
7,872–7,880 ftPerforated

Casing (9)

SizeSet DepthCement
20"79 ft180 sx
13.375"412 ft660 sx
9.625"4,725 ft400 sx
9.625"4,725 ft2,400 sx
9.625"4,725 ft2,400 sx
2.375"5,327 ft
2.375"5,376 ft
2.375"7,764 ft
7"8,078 ft850 sx

Permit History (2)

Applications (2)

#551513 A PATINA OIL & GAS CORPORATION
received 2004-09-24
#40777 A LEEDE OIL & GAS INC.
received 1979-01-12

Records & Logs

5 completion filings on record.

W-2/G-1 2004-09-27
W-2/G-1 2005-01-13
W-2/G-1 1980-06-26
W-2/G-1 1980-02-28
W-2/G-1 1980-01-04

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 WHEELER County.

Well Details

Well Number
1
Max Depth
17,500 ft
Drill Type
Vertical
County
WHEELER
District
10
Completed
1979-07-01

Operator

Location
GREENWOOD V, LG
P-5 Status
Inactive (filed 1996-09-26)
Cum Oil (all leases)
19,117 bbl
Cum Gas (all leases)
— mcf
Total Permits
95