42-283-34645

Final Completion

STS A

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

Permits

2

Max Depth

10,000 ft

First Permit

2014-03-17

Latest Activity

2017-07-12

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2014-04-10

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2013-12

Last Production

2026-07

H-1 Injection Active UIC #000115374 permitted 2017-09-18

Permitted Volume

5,000 bbl/d

Max Pressure

2,850 psi

Injection Interval

5,700–5,800 ft

Injected (12mo)

16,496 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-10-01)

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

Lease Production

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

Formation Tops (16) Elevation 322 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPARTA 1,966 ft-1,644 ft
QUEEN CITY 2,226 ft-1,904 ft
REKLAW 3,427 ft-3,105 ft
B/ CARRIZO5,156 ft-4,834 ft
WALES5,788 ft-5,466 ft
MIDWAY 6,487 ft-6,165 ft
OLMOS - DISPOSAL (Olmos)8,996 ft-8,674 ft
AUSTIN CHALK
BUDA - H2S (Buda)
EAGLE FORD - H2S (Eagle Ford)
EDWARDS - H2S (Edwards)
ESCONDIDO
OLMOS - DISPOSAL (Olmos)
PEARSALL - H2S (Pearsall)
WILCOX - DISPOSAL (Wilcox)
YEGUA

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-283-34432 STS 'A' · WELHAUSEN OPERATING COMPANY, LP
0.9 mi
Sparta 1,966'Queen City 2,226'Queen City 2,270'Reklaw 3,480'Carrizo 3,959'B/ CARRIZO 5,188'B/CARRIZO 5,188'WALES 5,755'Midway 6,500'Navarro 7,815'Navarro 7,824'Olmos 8,972' +12 more
42-283-37101 STS 'A' · SANDPOINT OPERATING, LLC
1.4 mi
Sparta 1,763'Queen City 2,010'Wilcox 3,734'Escondido 7,107'Olmos 8,855'Yegua Austin Chalk Buda Edwards Eagle Ford
42-283-37208 SP5 · BLACKBRUSH O & G, LLC
1.6 mi
Yegua 450'Sparta 1,718'Queen City 1,965'Wilcox 4,932'Escondido 7,085'Olmos 8,837'Austin Chalk Buda Edwards Eagle Ford
42-283-37209 SP5 · BLACKBRUSH O & G, LLC
1.6 mi
Yegua 660'Sparta 1,718'Queen City 1,965'Wilcox 4,879'Escondido 7,103'Olmos 8,820'Austin Chalk Buda Edwards Eagle Ford
42-283-36513 SR ALTUVE · SIERRA RESOURCES, LLC
2.0 mi
Sparta 1,774'Queen City 1,987'Wilcox 4,925'Escondido 7,505'Olmos 8,768'Yegua Austin Chalk Buda Edwards Eagle Ford
42-283-36511 SR BREGMAN · SIERRA RESOURCES, LLC
2.0 mi
Sparta 1,771'Queen City 1,941'Wilcox 4,921'Escondido 7,517'Olmos 8,787'Buda Eagle Ford Yegua Austin Chalk Edwards
42-311-37004 STS D · VERMILLION PRODUCTION, INC.
2.4 mi
Frio 200'Yegua 2,048'Wilcox 5,284'Anacacho Austin Chalk Catahoula Escondido Navarro Eagle Ford Olmos
42-311-37598 GB EAST · 4020 SWD, LLC
2.6 mi
Yegua 900'Wilcox 3,700'Olmos Catahoula Navarro Escondido Frio Austin Chalk Anacacho Eagle Ford

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (2)

IntervalType
5,704–5,734 ftPerforated
9,194–9,202 ftPerforated

Casing (4)

SizeSet DepthCement
12.25"5,052 ft1,659 sx
9.625"5,052 ft1,659 sx
8.75"9,383 ft1,168 sx
7"9,383 ft1,168 sx

Permit History (2)

Applications (2)

#828603 A SIERRA RESOURCES, LLC
received 2017-07-10
#781943 A WELHAUSEN OPERATING COMPANY, LP
received 2014-03-12

Records & Logs

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

W-2/G-1 2018-02-26
W-2/G-1 2016-07-20 log on file
W-2/G-1 2014-05-13 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.

Lat 28.246823
Lon -98.816652

Well Details

Well Number
2S
Max Depth
10,000 ft
Drill Type
Vertical
County
LA SALLE
District
1
Completed
2014-04-10

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