42-461-35077

PRODUCING Horizontal

WINDHAM R. S. 118

UPTON County · District 7 · XTO ENERGY INC. · WILSHIRE (CONSOLIDATED)

Permits

1

Max Depth

11,800 ft

First Permit

2006-04-11

Latest Activity

2006-04-11

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2006-12-12

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: XTO ENERGY INC. ≠ Permit: ENCORE OPERATING, L.P.

Resolved via: production → XTO ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2006-12

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 (4) Elevation 2,835 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
STRAWN 9,521 ft-6,686 ft
WOODFORD 10,689 ft-7,854 ft
DEVENION10,817 ft-7,982 ft
SILIURIAN11,616 ft-8,781 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 (5)

IntervalType
11,365–12,172 ftPerforated
11,565–12,952 ftPerforated
12,085–12,502 ftPerforated
12,300–12,972 ftPerforated
12,780–13,152 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"465 ft465 sx
9.625"5,215 ft1,525 sx
7"11,723 ft1,100 sx

Permit History (1)

Applications (1)

#617207 A ENCORE OPERATING, L.P.
received 2006-04-07

Records & Logs

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

W-2/G-1 2007-01-08 log on file
W-2/G-1 2007-04-16
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 UPTON County.

Well Details

Well Number
26H
Max Depth
11,800 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2006-12-12

Operator

Location
SPRING
P-5 Status
X (filed 2026-04-08)
Cum Oil (all leases)
772,419,164 bbl
Cum Gas (all leases)
11,039,899,986 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
16,140