42-135-34737

PRODUCING

TXL NORTH UNIT

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

Permits

1

Max Depth

6,800 ft

First Permit

1984-12-14

Latest Activity

1984-12-14

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1988-03-09

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Permit operator mismatch

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

Resolved via: production → FORMENTERA 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 (8) Elevation 3,270 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,465 ft+1,805 ft
YATES 2,740 ft+530 ft
SEVEN RIVERS 2,932 ft+338 ft
QUEEN 3,390 ft-120 ft
SAN ANDRES 4,117 ft-847 ft
UPPER CLEAR FORK (5600) (Clear Fork)5,491 ft-2,221 ft
UPPER CLEARFORK (5600') (Clear Fork)5,491 ft-2,221 ft
TUBB 6,016 ft-2,746 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
5,469–6,162 ftPerforated
5,595–6,725 ftPerforated

Casing (3)

SizeSet DepthCement
14"40 ft—
8.625"1,501 ft750 sx
5.5"6,870 ft2,525 sx

Permit History (1)

Applications (2)

#261316 A SHELL WESTERN E&P INC.
received 1985-03-11
#261316 A SHELL WESTERN E&P INC.
received 1984-12-07

Records & Logs

3 completion filings on record.

W-2/G-1 1989-09-25
W-2/G-1 1985-05-17
W-2/G-1 1985-05-25
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
584
Max Depth
6,800 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1988-03-09

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
88