42-283-35402

Final Completion Horizontal

STS A

LA SALLE County · District 1 · SIERRA RESOURCES LLC · A.W.P. (OLMOS)

Permits

1

Max Depth

9,800 ft

First Permit

2015-03-09

Latest Activity

2015-03-09

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2015-08-21

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: SIERRA RESOURCES LLC ≠ Production: SILVERBOW RESOURCES OPER, LLC (reported 2025-12)

Resolved via: schedulingSIERRA RESOURCES LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2013-12

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 (11) Elevation 366 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA 1,100 ft-734 ft
SPARTA 1,994 ft-1,628 ft
QUEEN CITY 2,273 ft-1,907 ft
WILCOX - DISPOSAL (Wilcox)5,727 ft-5,361 ft
ESCONDIDO 7,836 ft-7,470 ft
OLMOS - DISPOSAL (Olmos)9,154 ft-8,788 ft
OLMOS - DISPOSAL (Olmos)9,172 ft-8,806 ft
AUSTIN CHALK
BUDA - H2S (Buda)
EAGLE FORD - H2S (Eagle Ford)
EDWARDS - H2S (Edwards)

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 (1)

IntervalType
9,705–16,441 ftPerforated

Casing (4)

SizeSet DepthCement
9.625"5,087 ft1,377 sx
5.5"8,925 ft1,009 sx
7.625"9,545 ft265 sx
4.5"16,592 ft1,009 sx

Permit History (1)

Applications (1)

#804448 A SIERRA RESOURCES, LLC
received 2015-03-09

Records & Logs

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

W-2/G-1 2022-04-07
W-2/G-1 2018-06-19
W-2/G-1 2016-08-10 log on file
W-2/G-1 2016-02-19 log on file
W-2/G-1 2015-10-22 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.

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
6H
Max Depth
9,800 ft
Drill Type
Horizontal
County
LA SALLE
District
1
Completed
2015-08-21

Operator

Location
HOUSTON
P-5 Status
Inactive (filed 2020-09-04)
Cum Oil (all leases)
4,381 bbl
Cum Gas (all leases)
53,062,603 mcf
Total Permits
72