42-409-32857

PRODUCING Directional

VALLEY

SAN PATRICIO County · District 4 · PROLINE ENERGY RESOURCES INC · MIDWAY SOUTH (CONSOLIDATED)

Permits

Max Depth

14,000 ft

First Permit

2007-01-05

Latest Activity

2012-07-25

Lifespan

6 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2012-11-27

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: PROLINE ENERGY RESOURCES INC ≠ Permit: EOG RESOURCES, INC.

Resolved via: scheduling → PROLINE ENERGY RESOURCES INC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2007-03

Last Production

2026-07

Operator History

Chain of Custody

EOG RESOURCES, INC. 2007-2016→ VANTAGE OPERATING, LLC 2017-2017→ PROLINE ENERGY RESOURCES INC 2019-2025

Lease Production

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

Gas

production & DCA →

Formation Tops (7) Elevation 41 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE MIOCENE (Miocene (undifferentiated))	4,880 ft	-4,839 ft
TOP FRIO (Frio)	5,150 ft	-5,109 ft
LOWER FRIO (Frio)	9,787 ft	-9,746 ft
ANOMALINA	10,500 ft	-10,459 ft
LOWER GUEDIN	11,400 ft	-11,359 ft
UPPER HOUGHTON	12,400 ft	-12,359 ft
LOWER HOUGHTON	12,500 ft	-12,459 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)

Interval	Type
11,488–11,506 ft	Perforated
12,550–12,600 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	2,504 ft	1,892 sx
9.625"	10,450 ft	990 sx
4.5"	12,782 ft	1,020 sx
4.5"	12,975 ft	185 sx

Permit History (2)

#744458 Recompletion Final Completion

VALLEY · 12,800 ft

2012-07-25

Spud 2012-07-31

#630816 Drill Final Completion

VALLEY · 14,000 ft

2007-01-05

Spud 2007-01-26

Applications (2)

#744458 A EOG RESOURCES, INC.

received 2012-07-11

#630816 A EOG RESOURCES, INC.

received 2006-12-20

Records & Logs

3 completion filings on record · 3 with log images at RRC.

W-2/G-1 2013-02-04 log on file

W-2/G-1 2007-04-17 log on file

W-2/G-1 2007-05-30 log on file

Completion packets + logs ↗ Wellbore filings ↗

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in SAN PATRICIO County.

Well Details

Well Number: 4ST
Max Depth: 14,000 ft
Drill Type: Directional
County: SAN PATRICIO
District: 4
Operator: PROLINE ENERGY RESOURCES INC
Completed: 2012-11-27

Operator

Name: PROLINE ENERGY RESOURCES INC
Location: SUGAR LAND
P-5 Status: Active (filed 2025-10-16)
Cum Oil (all leases): 223,306 bbl
Cum Gas (all leases): 12,124,878 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O