42-135-35691

PRODUCING

TXL NORTH UNIT

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

Permits

1

Max Depth

7,100 ft

First Permit

1987-11-09

Latest Activity

1987-11-09

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1988-02-28

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 3,261 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,500 ft+1,761 ft
YATES 2,843 ft+418 ft
SEVEN RIVERS 3,038 ft+223 ft
QUEEN 3,520 ft-259 ft
SAN ANDRES 4,262 ft-1,001 ft
UPPER CLEARFORK 5600' (Clear Fork)5,592 ft-2,331 ft
TUBB 6,282 ft-3,021 ft
LOWER CLEARFORK (Clear Fork)6,352 ft-3,091 ft
WICHITA (Wichita-Albany)6,760 ft-3,499 ft
BASE UNIT6,942 ft-3,681 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
5,826–6,457 ftPerforated
6,572–6,906 ftPerforated

Casing (3)

SizeSet DepthCement
20"40 ft
8.625"1,498 ft750 sx
5.5"7,033 ft2,370 sx

Permit History (1)

Applications (1)

#338492 A SHELL WESTERN E&P INC.
received 1987-11-06

Records & Logs

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

W-2/G-1 1988-03-28 log on file
W-2/G-1 1988-04-08
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
490
Max Depth
7,100 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1988-02-28

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