42-495-32220

KEYSTONE CATTLE CO.

WINKLER County · District 8 · LEGACY RESERVES OPERATING LP

Permits

3

Max Depth

9,950 ft

First Permit

1988-11-16

Latest Activity

2009-01-16

Lifespan

20 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

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 (13) Elevation 3,135 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
B/SANTA ROSA1,130 ft+2,005 ft
RUSTLER 1,480 ft+1,655 ft
YATES 2,960 ft+175 ft
QUEENS3,825 ft-690 ft
SAN ANDRES 4,450 ft-1,315 ft
GLORIETA 5,650 ft-2,515 ft
TUBB 6,630 ft-3,495 ft
WICHITA ALBANY (Wichita-Albany)7,275 ft-4,140 ft
WOLFCAMP 8,165 ft-5,030 ft
BARNETT SHALE (Barnett)8,400 ft-5,265 ft
MISSISSIPPIAN SHALE (Mississippian)8,510 ft-5,375 ft
WOODFORD SHALE (Woodford)9,155 ft-6,020 ft
DEVONIAN 9,630 ft-6,495 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
8,178–8,292 ftPerforated
9,762–9,770 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"1,145 ft755 sx
8.625"3,600 ft900 sx
5.5"9,900 ft1,705 sx

Permit History (3)

Applications (3)

#677299 A LEGACY RESERVES OPERATING LP
received 2009-01-13
#536539 A DEVON ENERGY PRODUCTION CO, L.P.
received 2003-09-17
#352785 A CHEVRON U. S. A. INC.
received 1988-10-28

Records & Logs

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

W-2/G-1 2003-12-08 log on file
W-2/G-1 1997-12-04
W-2/G-1 1997-12-04
W-2/G-1 1989-02-08 log on file
W-2/G-1 1989-02-21
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 WINKLER County.

Well Details

Well Number
377
Max Depth
9,950 ft
Drill Type
Vertical
County
WINKLER
District
8

Operator

Location
DENVER
P-5 Status
Inactive (filed 2025-05-19)
Cum Oil (all leases)
47,961,187 bbl
Cum Gas (all leases)
303,890,474 mcf
Total Permits
439