42-283-35532

Final Completion Horizontal

STS A

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

Permits

1

Max Depth

9,450 ft

First Permit

2015-07-23

Latest Activity

2015-07-23

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2015-10-12

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: SIERRA RESOURCES LLC ≠ Production: SILVERBOW RESOURCES OPER, LLC (reported 2026-04)

Resolved via: productionSILVERBOW RESOURCES OPER, 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 (10) Elevation 383 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA 1,178 ft-795 ft
SPARTA 2,065 ft-1,682 ft
QUEEN CITY 2,339 ft-1,956 ft
WILCOX - DISPOSAL (Wilcox)5,599 ft-5,216 ft
ESCONDIDO 7,727 ft-7,344 ft
OLMOS - DISPOSAL (Olmos)9,141 ft-8,758 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
9,690–15,531 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"798 ft342 sx
7.625"8,598 ft1,056 sx
4.5"15,695 ft1,773 sx

Permit History (1)

Applications (1)

#808458 A SIERRA RESOURCES, LLC
received 2015-07-15

Records & Logs

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

W-2/G-1 2022-04-07
W-2/G-1 2018-06-19
W-2/G-1 2016-03-23
W-2/G-1 2016-01-27 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
10H
Max Depth
9,450 ft
Drill Type
Horizontal
County
LA SALLE
District
1
Completed
2015-10-12

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