WELL · 42-283-35532 · DISTRICT 1

STS A #10H

N

LA Salle County · A.W.P. (Olmos) field  · Horizontal

Sts A #10H (API 42-283-35532) is a horizontal well in La Salle County operated by Sierra Resources LLC, completed October 12, 2015.

The RRC has issued one drilling permit, issued July 23, 2015, permitted to 9,450 ft.

Completion filings report 10 formation tops, including Yegua, Sparta, Queen City, Wilcox.

Its 2 leases have reported 7.73K barrels of oil and 1.46M mcf of gas since December 2013, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.

Operator of record

Sierra Resources LLC

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 scheduleSierra Resources LLC
Production reportsSilverbow Resources Oper, LLCthrough Apr 2026
Latest permitSierra Resources, LLCJul 23, 2015

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,450
total depth, ft
1
permits on file
Jul 23, 2015
last permit issued
Oct 12, 2015
completed
7.73K
cumulative oil, bbl
1.46M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 12, 2015
Shut in
—
Plugged
—

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
STS 'A' G-1-279806A.W.P. (Olmos)Crescent Energy Operating, LLC101.36MOct 2015 – Jul 2026
STS 'A' O-1-17556A.W.P. (Olmos)Sierra Resources, LLC87.73K104KDec 2013 – Jun 2018

Gas, mcf lease total

Last 12 months 28,797 · prior 12 18,892(+52%)

020K40K60K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Welhausen Operating Company, LPFeb 2014 → Oct 2014
  2. 2Sierra Resources, LLCNov 2014 → Feb 2020
  3. 3Sandpoint Operating, LLCMar 2020 → Apr 2022
  4. 4Silverbow Resources Oper, LLCMay 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
808458-99DrillSierra Resources, LLCJul 15, 2015Jul 23, 2015Aug 16, 20159,450

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-279806————
—— O-1-17556————

Formation tops

As filed on W-2/G-1. Subsea from 383 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua1,178-795
Sparta2,065-1,682
Queen City2,339-1,956
WilcoxWILCOX - DISPOSAL5,599-5,216
Escondido7,727-7,344
OlmosOLMOS - DISPOSAL9,141-8,758
Austin Chalk——
BudaBUDA - H2S——
Eagle FordEAGLE FORD - H2S——
EdwardsEDWARDS - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
9,69015,531Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7579813.5342 S
7.6258,5989.8751,056 S
4.515,6956.751,773 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 28, 2022Apr 7, 2022—
00Jul 12, 2018Jun 19, 2018—
00May 13, 2016Mar 23, 2016—
00Mar 15, 2016Jan 27, 2016Yes

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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

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/28335532, documented in the API reference.