42-409-33116

Final Completion

SOUTHWEST TEXAS CORP

SAN PATRICIO County · District 4 · POCO LLC · SPARTAN (8800 FRIO LOWER)

Permits

4

Max Depth

8,900 ft

First Permit

2019-06-18

Latest Activity

2023-02-24

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2019-08-07

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-08

Last Production

2026-07

Operator History

Chain of Custody

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 50 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE-LAGARTO-OAKVILLE - INJEC (Miocene (undifferentiated))100 ft-50 ft
CATAHOULA-ANAHUAC - INJECTION/DI (Catahoula)3,563 ft-3,513 ft
CATAHOULA-FRIO - INJECTION/DISPO (Catahoula)3,563 ft-3,513 ft
GRETA 4,188 ft-4,138 ft
SINTON5,518 ft-5,468 ft
BASAL FRIO (Frio)7,199 ft-7,149 ft
BASIL FRIO7,199 ft-7,149 ft
VICKSBURG 8,106 ft-8,056 ft
CATAHOULA-ANAHUAC - INJECTION/DI (Catahoula)
CATAHOULA-FRIO - INJECTION/DISPO (Catahoula)

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-409-33135 FRWL · POCO LLC
0.3 mi
Miocene (undifferentiated) 100'Catahoula 3,605'Vicksburg Catahoula
42-409-33122 DUNGAN-KEY TRUST · WAPITI OPERATING, LLC
1.2 mi
Miocene (undifferentiated) 3,050'Catahoula 3,050'Catahoula 4,360'Vicksburg 7,050'
42-409-33104 DUNGAN-KEY TRUST · WAPITI OPERATING, LLC
1.3 mi
Catahoula 3,050'Miocene (undifferentiated) 3,050'Catahoula 4,360'Vicksburg 7,050'
42-409-33126 LLD-MOONRAKER UNIT · POCO LLC
1.7 mi
Miocene (undifferentiated) 100'Catahoula 3,800'Catahoula 4,880'Vicksburg 8,350'
42-409-32788 BAYLOR WHATLEY UNIT · POCO LLC
1.8 mi
Catahoula 3,616'Frio 3,890'SINTON 5,460'Frio 6,952'HIGHTOWER 7,174'Catahoula Vicksburg Miocene (undifferentiated)
42-409-33133 LLD-MOONRAKER UNIT · POCO LLC
1.8 mi
Miocene (undifferentiated) 100'Catahoula 3,800'Catahoula 4,880'Vicksburg 8,350'
42-409-33060 NYE · NYE EXPLORATION & PROD, L.L.C.
2.5 mi
Miocene (undifferentiated) 1,170'Catahoula 2,900'Catahoula 3,990'Vicksburg
42-409-33130 HAY DAY UNIT · SANDALWOOD EXPLORATION, L.P.
4.3 mi
Miocene (undifferentiated) 800'Catahoula 4,369'Catahoula 5,271'Vicksburg

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (4)

IntervalType
5,482–5,486 ftPerforated
5,746–5,756 ftPerforated
7,200–7,206 ftPerforated
8,464–8,776 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"2,559 ft910 sx
5.5"8,856 ft1,410 sx

Records & Logs

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

W-2/G-1 2025-06-08
W-2/G-1 2023-02-25
W-2/G-1 2021-09-13
W-2/G-1 2020-06-29 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 27.996588
Lon -97.551735

Well Details

Well Number
1
Max Depth
8,900 ft
Drill Type
Vertical
District
4
Operator
POCO LLC
Completed
2019-08-07

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-09-16)
Cum Oil (all leases)
88,256 bbl
Cum Gas (all leases)
608,010 mcf
Activities
OPRS/G, OPRS/O
Total Permits
19