42-135-35672

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TXL NORTH UNIT

ECTOR County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)

Permits

1

Max Depth

7,100 ft

First Permit

1987-10-15

Latest Activity

1987-10-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-12-05

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: SHELL WESTERN E&P INC.

Resolved via: productionFORMENTERA OPERATIONS 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 (10) Elevation 3,312 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,461 ft+1,851 ft
YATES 2,748 ft+564 ft
SEVEN RIVERS 2,935 ft+377 ft
QUEEN 3,393 ft-81 ft
SAN ANDRES 4,084 ft-772 ft
UPPER CLEARFORK (5600') (Clear Fork)5,427 ft-2,115 ft
TUBB 6,046 ft-2,734 ft
LOWER CLEARFORK (Clear Fork)6,105 ft-2,793 ft
WICHITA (Wichita-Albany)6,547 ft-3,235 ft
BASE UNIT6,777 ft-3,465 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 (3)

IntervalType
5,630–6,000 ftPerforated
6,147–6,251 ftPerforated
6,488–6,609 ftPerforated

Casing (3)

SizeSet DepthCement
14"40 ft
8.625"1,498 ft750 sx
5.5"6,900 ft1,310 sx

Permit History (1)

Applications (1)

#337352 A SHELL WESTERN E&P INC.
received 1987-10-14

Records & Logs

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

W-2/G-1 1988-01-20 log on file
W-2/G-1 1988-01-30
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 ECTOR County.

Well Details

Well Number
264
Max Depth
7,100 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1987-12-05

Operator

Location
AUSTIN
P-5 Status
X (filed 2026-06-11)
Cum Oil (all leases)
7,170,117 bbl
Cum Gas (all leases)
53,235,974 mcf
Activities
CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
72