WELL · 42-283-36805 · DISTRICT 1

Windsor HC1 B Las #B 1H

Y

LA Salle County · Eagleville (Eagle Ford-1) field · Producing  · Horizontal

Windsor Hc1 B Las #B 1H (API 42-283-36805) is a horizontal well in La Salle County operated by Ineos USA Oil & Gas LLC, completed November 6, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 11, 2019, permitted to 9,000 ft.

It was permitted by Chesapeake Operating, L.L.C. and has since transferred to Ineos USA Oil & Gas LLC on the wellbore schedule.

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

Its lease has reported 350K barrels of oil and 632K mcf of gas since November 2019, last reporting in July 2026.

Operator of record

Ineos USA Oil & Gas LLC

Permitted by Chesapeake Operating, L.L.C.; the EWA schedule now lists a different operator.

Denver, CO · P-5 Y, filed Apr 4, 2026 · 98 permits on file · (833) 402-7779

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleIneos USA Oil & Gas LLC
Production reportsIneos USA Oil & Gas LLCthrough Apr 2026
Latest permitChesapeake Operating, L.L.C.Jul 11, 2019

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

9,000
total depth, ft
1
permits on file
Jul 11, 2019
last permit issued
Nov 6, 2019
completed
350K
cumulative oil, bbl
632K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 6, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

28.526471, -99.354400

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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Windsor HC1 B Las O-1-20061Eagleville (Eagle Ford-1)Ineos USA Oil & Gas LLC1350K632KNov 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 21,662 · prior 12 23,292(-7%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 48,844 · prior 12 44,727(+9%)

05K10K15K202420252026

Chain of custody

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

  1. 1Chesapeake Operating, L.L.C.Nov 2019 → Mar 2023
  2. 2Ineos USA Oil & Gas LLCApr 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
854193-99DrillChesapeake Operating, L.L.C.Jun 13, 2019Jul 11, 2019Aug 15, 20199,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-20061————

Formation tops

As filed on W-2/G-1. Subsea from 498 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua920-422
Queen City2,350-1,852
Sparta2,350-1,852
WilcoxWILCOX - DISPOSAL3,660-3,162
Escondido3,920-3,422
OlmosOLMOS - DISPOSAL5,006-4,508
San Miguel5,819-5,321
Anacacho6,701-6,203
Austin Chalk6,924-6,426
Eagle FordEAGLE FORD - H2S7,346-6,848

Perforations

Perforated and open-hole intervals.

FromToType
7,83023,085Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,51112.25770 S
5.523,2158.754,775 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
00May 22, 2020Jan 30, 2020Yes

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 →

Windsor Unit B Las42-283-36801

0.0 KM · Chesapeake Operating, L.L.C. · Section with this well →

Yegua920-421
Sparta2,350-1,851
Queen City2,350-1,851
Wilcox3,660-3,161
Escondido3,917-3,418
Olmos5,005-4,506
San Miguel5,837-5,338
Anacacho6,708-6,209

12 TOPS · FIRST 8

Windsor HC2 B Las42-283-36806

0.0 KM · Chesapeake Operating, L.L.C. · Section with this well →

Yegua920-421
Sparta2,350-1,851
Queen City2,350-1,851
Wilcox3,660-3,161
Escondido3,911-3,412
Olmos5,000-4,501
San Miguel5,838-5,339
Anacacho6,702-6,203

10 TOPS · FIRST 8

Windsor Unit a Las42-283-36804

0.0 KM · Chesapeake Operating, L.L.C. · Section with this well →

Yegua920-421
Queen City2,350-1,851
Sparta2,350-1,851
Wilcox3,660-3,161
Escondido3,916-3,417
Olmos5,010-4,511
San Miguel5,836-5,337
Austin Chalk6,922-6,423

10 TOPS · FIRST 8

Schulze-Scott C Unit42-283-33855

1.8 KM · EP Energy E&P Company, L.P. · Section with this well →

Anacaho6,659-6,115
Anacacho6,659-6,115
Ancc6,659-6,115
Austin Chalk7,048-6,504
Astn7,048-6,504
Eagle Ford7,472-6,928
Egfd7,472-6,928

Haug-Kieschnick AC Unit 3342-283-33922

3.3 KM · Trinity Operating (Usg), LLC · Section with this well →

San Miguel5,979-5,463
Anacacho6,569-6,053
Austin Chalk6,850-6,334

Rancho D la Tierra Roja42-283-36181

3.4 KM · Chesapeake Operating, L.L.C. · Section with this well →

Yegua920-421
Queen City2,350-1,851
Sparta2,350-1,851
Wilcox3,660-3,161
Escondido4,034-3,535
Olmos5,151-4,652
San Miguel5,992-5,493
Anacacho7,105-6,606

10 TOPS · FIRST 8

Rancho D la Tierra Roja42-283-36179

3.4 KM · Chesapeake Operating, L.L.C. · Section with this well →

Yegua920-421
Sparta2,350-1,851
Queen City2,350-1,851
Wilcox3,660-3,161
Escondido4,020-3,521
Olmos5,134-4,635
Austin Chalk7,090-6,591
Eagle Ford7,503-7,004

10 TOPS · FIRST 8

Weimer HC2 A42-283-37534

3.7 KM · Ineos USA Oil & Gas LLC · Section with this well →

Queen City900-366
Yegua1,100-566
Wilcox1,800-1,266
Escondido4,127-3,593
Olmos5,271-4,737
San Miguel6,097-5,563
Anacacho6,847-6,313
Austin Chalk7,179-6,645

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/28336805, documented in the API reference.