WELL · 42-283-37841 · DISTRICT 1

Washburn Ranch 01 #18H

N

LA Salle County  · Horizontal

Washburn Ranch 01 #18H (API 42-283-37841) is a permitted horizontal well in La Salle County filed by Silverbow Resources Oper, LLC; no completion report is on file yet.

The RRC has issued one drilling permit (amended once), issued October 15, 2025, permitted to 11,000 ft.

Completion filings report 10 formation tops, including Midway, Escondido, Olmos, Navarro.

Operator of record

Silverbow Resources Oper, LLC

Houston, TX · P-5 Y, filed Mar 4, 2026 · 460 permits on file · (469) 575-3805

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsnone
Latest permitSilverbow Resources Oper, LLCOct 15, 2025
11,000
total depth, ft
2
permits on file
Oct 15, 2025
last permit issued
—
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.397775, -98.878553

OpenStreetMap → ·  Google Maps →

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
910931-98DrillSilverbow Resources Oper, LLCSep 25, 2026Oct 15, 2025Nov 28, 202511,000
910931-99DrillSilverbow Resources Oper, LLCOct 6, 2025Oct 15, 2025Nov 26, 20259,000

Formation tops

As filed on W-2/G-1. Subsea from 446 ft elevation.Download CSV →

FormationMD ftSubsea
Midway5,729-5,283
Escondido6,790-6,344
OlmosOLMOS - DISPOSAL7,747-7,301
Navarro9,028-8,582
Annacacho9,371-8,925
Austin Chalk9,896-9,450
Queen City——
Sparta——
WilcoxWILCOX - DISPOSAL——
Yegua——

Perforations

Perforated and open-hole intervals.

FromToType
10,28627,691Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,83812.251,756 S
5.527,7118.754,315 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
00Oct 28, 2026Sep 7, 2026Yes

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 →

Washburn Ranch 0142-283-37846

0.0 KM · Silverbow Resources Oper, LLC · Section with this well →

Midway5,726-5,280
Escondido6,819-6,373
Olmos7,807-7,361
Navarro9,163-8,717
Annacacho9,424-8,978
Austin Chalk9,931-9,485
Wilcox—
Queen City—

10 TOPS · FIRST 8

Washburn Ranch 0142-283-37847

0.0 KM · Silverbow Resources Oper, LLC · Section with this well →

Midway5,733-5,287
Escondido6,825-6,379
Olmos7,802-7,356
Navarro9,160-8,714
Annacacho9,425-8,979
Austin Chalk9,941-9,495
Yegua—
Sparta—

10 TOPS · FIRST 8

Naylor Jones Unit 18542-283-36455

2.7 KM · EOG Resources, Inc. · Section with this well →

Yegua403-37
Sparta1,057-691
Queen City1,329-963
Wilcox2,907-2,541
Carrizo2,908-2,542
Escondido5,540-5,174
Olmos7,586-7,220
Anacacho9,147-8,781

12 TOPS · FIRST 8

Naylor Jones Unit 18542-283-36454

2.7 KM · EOG Resources, Inc. · Section with this well →

Yegua411-45
Sparta1,065-699
Queen City1,337-971
Wilcox2,915-2,549
Carrizo2,916-2,550
Escondido5,540-5,174
Olmos7,590-7,224
Anacacho9,124-8,758

10 TOPS · FIRST 8

Silverbrite A42-283-36685

3.0 KM · EOG Resources, Inc. · Section with this well →

Yegua372-5
Sparta1,026-659
Queen City1,298-931
Escondido2,876-2,509
Wilcox2,876-2,509
Carrizo2,877-2,510
Olmos7,539-7,172
Anacacho9,071-8,704

12 TOPS · FIRST 8

Silverbrite B42-283-36686

3.0 KM · EOG Resources, Inc. · Section with this well →

Yegua371-5
Sparta1,025-659
Queen City1,297-931
Escondido2,875-2,509
Wilcox2,875-2,509
Carrizo2,876-2,510
Olmos7,538-7,172
Anacacho9,078-8,712

12 TOPS · FIRST 8

Silverbrite C42-283-36687

3.0 KM · EOG Resources, Inc. · Section with this well →

Yegua372-6
Sparta1,026-660
Queen City1,298-932
Wilcox2,876-2,510
Escondido2,876-2,510
Carrizo2,877-2,511
Olmos7,540-7,174
Anacacho9,087-8,721

10 TOPS · FIRST 8

Silverbrite D42-283-36688

3.0 KM · EOG Resources, Inc. · Section with this well →

Yegua371-5
Sparta1,025-659
Queen City1,297-931
Escondido2,875-2,509
Wilcox2,875-2,509
Carrizo2,876-2,510
Olmos7,539-7,173
Anacacho9,060-8,694

12 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

Developers: this page as JSON is GET /v1/data/wells/28337841, documented in the API reference.