WELL · 42-283-34432 · DISTRICT 1
STS A #1S
LA Salle County · A.W.P. (Olmos) field · Vertical
Sts A #1S (API 42-283-34432) is a well in La Salle County operated by Sierra Resources LLC, completed December 26, 2013.
The RRC has issued 2 drilling permits (amended once) between 2013 and 2018, permitted to 10,000 ft.
Completion filings report 18 formation tops, including Sparta, Queen City, Reklaw, Carrizo.
Its 3 leases have reported 7.73K barrels of oil and 114K mcf of gas since December 2013, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 10.7K barrels injected in the 12 months reported through October 2025; TexNet located 0 M2+ earthquakes within 10 km over the last two years.
Operator of record
Houston, TX · P-5 Y, filed Jul 2, 2021 · 72 permits on file · (832) 814-5586
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sierra Resources LLC |
| Production reports | Sierra Resources, LLCthrough Jan 2019 |
| Latest permit | Sierra Resources, LLCDec 20, 2018 |
- 10,000
- total depth, ft
- 3
- permits on file
- Dec 20, 2018
- last permit issued
- Dec 26, 2013
- completed
- 7.73K
- cumulative oil, bbl
- 114K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 26, 2013
- Shut in
- —
- Plugged
- —
Surface location
28.254284, -98.805428
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in LA Salle County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 3 leases this well is completed on; they carry 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| STS 'A' G-1-286408 | Big Alamo (5550) | Crescent Energy Operating, LLC | 1 | 0 | 0 | Mar 2019 – Jul 2026 |
| STS 'A' G-1-282142 | A.W.P. (Olmos) | Sierra Resources, LLC | 1 | 0 | 10.8K | Mar 2017 – Mar 2019 |
| STS 'A' O-1-17556 | A.W.P. (Olmos) | Sierra Resources, LLC | 8 | 7.73K | 104K | Dec 2013 – Jun 2018 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Welhausen Operating Company, LPFeb 2014 → Oct 2014
- 2Sierra Resources, LLCNov 2014 → Jan 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 847991-99 | Recompletion | Sierra Resources, LLC | Dec 19, 2018 | Dec 20, 2018 | Dec 10, 2013 | 9,550 |
| 774960-98 | Drill | Welhausen Operating Company, LP | Mar 20, 2014 | Dec 9, 2013 | Dec 10, 2013 | 10,000 |
| 774960-99 | Drill | First Rock, Inc. | Dec 4, 2013 | Dec 9, 2013 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-282142 | — | — | — | — |
| — | — G-1-286408 | — | — | — | — |
| — | — O-1-17556 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 336 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Sparta | 1,966 | -1,630 |
| Queen City | 2,226 | -1,890 |
| Queen City | 2,270 | -1,934 |
| Reklaw | 3,480 | -3,144 |
| Carrizo | 3,959 | -3,623 |
| B/ Carrizo | 5,188 | -4,852 |
| B/Carrizo | 5,188 | -4,852 |
| Wales | 5,755 | -5,419 |
| Midway | 6,500 | -6,164 |
| Navarro | 7,815 | -7,479 |
| Navarro | 7,824 | -7,488 |
| Olmos | 8,972 | -8,636 |
| TaylorTAYLOR LIT | 9,005 | -8,669 |
| TaylorTAYLOR LIT ZONE | 9,060 | -8,724 |
| Olmos | 9,138 | -8,802 |
| Olmos | 9,146 | -8,810 |
| Austin Chalk | — | — |
| BudaBUDA - H2S | — | — |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Escondido | — | — |
| OlmosOLMOS - DISPOSAL | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,756 | 6,734 | Perforated |
| 9,146 | 9,154 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,230 | 12.25 | 1,632 S |
| 7 | 9,416 | 8.75 | 548 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 21, 2019 | Apr 3, 2019 | — |
| 00 | Jul 11, 2018 | Jun 15, 2018 | — |
| 00 | May 31, 2017 | Apr 26, 2017 | — |
| 00 | Sep 15, 2016 | Jul 20, 2016 | Yes |
| 00 | Sep 15, 2015 | Aug 28, 2015 | Yes |
| 00 | May 22, 2015 | Apr 2, 2014 | Yes |
| 00 | May 29, 2014 | Mar 20, 2014 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-283-34432 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-34432 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
STS A42-283-34645
1.4 KM · Welhausen Operating Company, LP · Section with this well →
| Sparta | 1,966 | -1,644 |
| Queen City | 2,226 | -1,904 |
| Reklaw | 3,427 | -3,105 |
| B/ Carrizo | 5,156 | -4,834 |
| Wales | 5,788 | -5,466 |
| Midway | 6,487 | -6,165 |
| Olmos | 8,996 | -8,674 |
| Austin Chalk | — |
15 TOPS · FIRST 8
Sr Bregman42-283-36511
2.4 KM · Sierra Resources, LLC · Section with this well →
| Sparta | 1,771 | -1,399 |
| Queen City | 1,941 | -1,569 |
| Wilcox | 4,921 | -4,549 |
| Escondido | 7,517 | -7,145 |
| Olmos | 8,787 | -8,415 |
| Eagle Ford | — | |
| Austin Chalk | — | |
| Buda | — |
10 TOPS · FIRST 8
Sr Altuve42-283-36513
2.4 KM · Sierra Resources, LLC · Section with this well →
| Sparta | 1,774 | -1,401 |
| Queen City | 1,987 | -1,614 |
| Wilcox | 4,925 | -4,552 |
| Escondido | 7,505 | -7,132 |
| Olmos | 8,768 | -8,395 |
| Austin Chalk | — | |
| Buda | — | |
| Eagle Ford | — |
10 TOPS · FIRST 8
STS D42-311-37004
2.5 KM · Vermillion Production, Inc. · Section with this well →
| Frio | 200 | 178 |
| Yegua | 2,048 | -1,670 |
| Wilcox | 5,284 | -4,906 |
| Navarro | — | |
| Escondido | — | |
| Eagle Ford | — | |
| Anacacho | — | |
| Catahoula | — |
10 TOPS · FIRST 8
STS 'A'42-283-37101
2.8 KM · Sandpoint Operating, LLC · Section with this well →
| Sparta | 1,763 | -1,422 |
| Queen City | 2,010 | -1,669 |
| Wilcox | 3,734 | -3,393 |
| Escondido | 7,107 | -6,766 |
| Olmos | 8,855 | -8,514 |
| Edwards | — | |
| Eagle Ford | — | |
| Buda | — |
10 TOPS · FIRST 8
GB East42-311-37598
2.9 KM · 4020 SWD, LLC · Section with this well →
| Yegua | 900 | |
| Wilcox | 3,700 | |
| Navarro | — | |
| Frio | — | |
| Escondido | — | |
| Eagle Ford | — | |
| Catahoula | — | |
| Anacacho | — |
10 TOPS · FIRST 8
SP542-283-37208
3.2 KM · Blackbrush O & G, LLC · Section with this well →
| Yegua | 450 | -108 |
| Sparta | 1,718 | -1,376 |
| Queen City | 1,965 | -1,623 |
| Wilcox | 4,932 | -4,590 |
| Escondido | 7,085 | -6,743 |
| Olmos | 8,837 | -8,495 |
| Austin Chalk | — | |
| Eagle Ford | — |
10 TOPS · FIRST 8
SP542-283-37209
3.2 KM · Blackbrush O & G, LLC · Section with this well →
| Yegua | 660 | -318 |
| Sparta | 1,718 | -1,376 |
| Queen City | 1,965 | -1,623 |
| Wilcox | 4,879 | -4,537 |
| Escondido | 7,103 | -6,761 |
| Olmos | 8,820 | -8,478 |
| Edwards | — | |
| Eagle Ford | — |
10 TOPS · FIRST 8
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 10.7K
- bbl, last 12 reported months
- 2.1M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000117843 | H-1 Injection | Active | 5,000 | 2,850 | 5,700–6,800 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 10,659 · prior 12 639,559(-98%)
TexNet catalog via USGS
Seismicity near this well
- 0
- M2+ events within 10 km, last 2 years
- —
- largest
A proximity count, not an attribution. How to read it →
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/28334432, documented in the API reference.