42-283-35451

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

2015-04-13

Latest Activity

2015-04-13

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2015-08-30

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 934 ft-551 ft
SPARTA 1,828 ft-1,445 ft
QUEEN CITY 2,107 ft-1,724 ft
WILCOX - DISPOSAL (Wilcox)5,561 ft-5,178 ft
ESCONDIDO 7,595 ft-7,212 ft
OLMOS - DISPOSAL (Olmos)8,995 ft-8,612 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
9,600–16,261 ftPerforated

Casing (5)

SizeSet DepthCement
9.625"5,135 ft2,047 sx
9.625"5,966 ft2,047 sx
5.5"8,636 ft1,030 sx
7.625"9,122 ft258 sx
4.5"16,415 ft1,030 sx

Permit History (1)

Applications (1)

#805236 A SIERRA RESOURCES, LLC
received 2015-04-02

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 2022-04-07
W-2/G-1 2018-06-19 log on file
W-2/G-1 2016-02-29
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
7H
Max Depth
9,800 ft
Drill Type
Horizontal
County
LA SALLE
District
1
Completed
2015-08-30

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