WELL · 42-479-44727 · DISTRICT 4

State Santa Florentina B #106H

Y

Webb County · Hawkville (Austin Chalk) field · Producing  · Horizontal

State Santa Florentina B #106H (API 42-479-44727) is a horizontal well in Webb County operated by Mitsui E&P USA LLC, completed March 5, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 20, 2022, permitted to 13,700 ft.

It was permitted by Silver Hill Energy Operating LLC and has since transferred to Mitsui E&P USA LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Cook Mountain, Queen City, Wilcox, Escondido.

No lease production has been reported under this well’s leases.

Operator of record

Mitsui E&P USA LLC

Permitted by Silver Hill Energy Operating LLC; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Jan 4, 2026 · 38 permits on file · (713) 960-0023

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMitsui E&P USA LLC
Production reportsMitsui E&P USA LLCthrough Jan 2024
Latest permitSilver Hill Energy Operating LLCJul 20, 2022

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

13,700
total depth, ft
1
permits on file
Jul 20, 2022
last permit issued
Mar 5, 2023
completed
0
cumulative oil, bbl
2.23M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 5, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

27.874549, -99.276347

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Webb County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
State Santa Florentina B G-4-294964Hawkville (Austin Chalk)Mitsui E&P USA LLC102.23MMar 2023 – Jul 2026

Gas, mcf lease total

Last 12 months 0 · prior 12 0

0200K400K202420252026

Chain of custody

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

  1. 1Silver Hill Energy Operating LLCMar 2023 → Mar 2023
  2. 2Mitsui E&P USA LLCApr 2023 → Jan 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
882112-99DrillSilver Hill Energy Operating LLCJul 14, 2022Jul 20, 2022Oct 6, 202213,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-294964————

Formation tops

As filed on W-2/G-1. Subsea from 479 ft elevation.Download CSV →

FormationMD ftSubsea
Cook Mountain787-308
Queen CityQUEEN CITY - INJECTION/DISPOSAL;1,544-1,065
WilcoxWILCOX - INJECTION/DISPOSAL3,626-3,147
EscondidoESCONDITO - INJECTION/DISPOSAL;7,401-6,922
OlmosOLMOS - INJECTION/DISPOSAL9,196-8,717
Austin Chalk12,203-11,724
CatahoulaCATAHOULA-FRIO - INJECTION/DISPO——
Eagle FordEAGLE FORD SHALE——
JacksonJACKSON - INJECTION/DISPOSAL——
YeguaYEGUA - INJECTION/DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
13,37222,242Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3754,07217.52,920 S
9.62511,00412.252,795 S
5.522,3328.754,170 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
00Jul 10, 2023Jun 1, 2023Yes

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.

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.

Open the cross-section →

State Santa Florentina42-479-44719

0.0 KM · Silver Hill Energy Operating LLC · Section with this well →

Cook Mountain768-289
Queen City1,541-1,062
Wilcox3,625-3,146
Escondido7,416-6,937
Olmos9,109-8,630
Eagle Ford12,859-12,380
Yegua—
Edwards—

10 TOPS · FIRST 8

State Santa Florentina A42-479-44720

0.0 KM · Silver Hill Energy Operating LLC · Section with this well →

Cook Mountain723-244
Queen City1,531-1,052
Wilcox3,630-3,151
Escondido7,417-6,938
Olmos9,111-8,632
Austin Chalk12,205-11,726
Jackson—
Eagle Ford—

10 TOPS · FIRST 8

State Santa Florentina D42-479-45193

0.6 KM · Mitsui E&P USA LLC · Section with this well →

Wilcox5,914-5,446
Escondido7,421-6,953
Olmos9,073-8,605
Austin Chalk11,312-10,844
Yegua—
Catahoula—
Cook Mountain—
Eagle Ford—

11 TOPS · FIRST 8

State Santa Florentina42-479-44896

0.8 KM · Silver Hill Energy Operating LLC · Section with this well →

Escondido7,420-6,934
Olmos9,044-8,558
Austin Chalk12,189-11,703
Eagle Ford12,867-12,381
Catahoula—
Jackson—
Queen City—
Cook Mountain—

10 TOPS · FIRST 8

State Santa Florentina C42-479-44897

0.8 KM · Silver Hill Energy Operating LLC · Section with this well →

Escondido7,424-6,937
Olmos9,039-8,552
Austin Chalk12,183-11,696
Catahoula—
Cook Mountain—
Eagle Ford—
Jackson—
Queen City—

10 TOPS · FIRST 8

State Santa Florentina42-479-44904

0.8 KM · Silver Hill Energy Operating LLC · Section with this well →

Escondido7,438-6,952
Olmos9,030-8,544
Austin Chalk12,165-11,679
Eagle Ford12,832-12,346
Queen City—
Yegua—
Wilcox—
Catahoula—

10 TOPS · FIRST 8

Lindsay Ranch Unit42-479-44952

2.8 KM · Silver Hill Energy Operating LLC · Section with this well →

Wilcox5,221-4,703
Escondido6,611-6,093
Olmos8,288-7,770
Eagle Ford9,318-8,800
Edwards10,489-9,971
Queen City—
Yegua—
Catahoula—

10 TOPS · FIRST 8

Lindsay Ranch Unit42-479-44951

2.8 KM · Silver Hill Energy Operating LLC · Section with this well →

Escondido7,263-6,745
Olmos8,927-8,409
Edwards10,489-9,971
Wilcox—
Queen City—
Jackson—
Eagle Ford—
Catahoula—

10 TOPS · FIRST 8

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

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