42-283-31611

Final Completion

SOUTH TEXAS SYNDICATE II-B

LA SALLE County · District 1 · SILVERBOW RESOURCES OPER LLC · WASHBURN (EDWARDS)

Permits

1

Max Depth

11,000 ft

First Permit

1996-07-23

Latest Activity

1996-07-23

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1996-11-11

Shut-In

Plugged

2023-09-13

!

EWA / Production operator mismatch

Scheduling: SILVERBOW RESOURCES OPER LLC ≠ Production: SEA EAGLE FORD, LLC (reported 2018-05)

!

EWA / Permit operator mismatch

Scheduling: SILVERBOW RESOURCES OPER LLC ≠ Permit: QUINTANA PET. CORP.

Resolved via: schedulingSILVERBOW RESOURCES OPER LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1996-11

Last Production

2023-09

Lease Production

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

Formation Tops (9) Elevation 419 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 3,170 ft-2,751 ft
CARRIZO 4,500 ft-4,081 ft
WILCOX 5,660 ft-5,241 ft
MIDWAY 8,350 ft-7,931 ft
NAVARRO 9,320 ft-8,901 ft
AUSTIN CHALK 9,910 ft-9,491 ft
EAGLEFORD (Eagle Ford)10,090 ft-9,671 ft
BUDA 10,198 ft-9,779 ft
EDWARD10,600 ft-10,181 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
10,306–10,318 ftPerforated
10,324–10,336 ftPerforated
10,348–10,354 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"2,016 ft1,100 sx
5.5"10,582 ft1,725 sx

Permit History (1)

Applications (1)

#450656 A QUINTANA PET. CORP.
received 1996-07-23

Records & Logs

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

W-2/G-1 1997-01-16
W-2/G-1 1997-04-11
W-2/G-1 1997-01-16 log on file
W-2/G-1 1997-02-13

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 LA SALLE County.

Well Details

Well Number
10
Max Depth
11,000 ft
Drill Type
Vertical
County
LA SALLE
District
1
Completed
1996-11-11

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-05-22)
Cum Oil (all leases)
27,056,780 bbl
Cum Gas (all leases)
1,068,183,159 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/O
Total Permits
455