TEXAS · WELLS · LA SALLE COUNTY · MELLENBRUCH UNIT A LAS LEASE · API 42-283-32810 · DISTRICT 01

Mellenbruch Unit a Las #3H

On schedule

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

Mellenbruch Unit A Las #3H (API 42-283-32810) is a horizontal well in La Salle County operated by Ineos USA Oil & Gas LLC, completed April 10, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 26, 2011, permitted to 9,867 ft.

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

Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.

Its lease has reported 139K barrels of oil and 315K mcf of gas since April 2012, last reporting volume in August 2026.

Operator of record

Ineos USA Oil & Gas LLC

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

Based in
Denver, CO
P-5 status
Active (A)
P-5 last filed
May 26, 2026
Permits on file
98
Phone
(720) 764-3473

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleIneos USA Oil & Gas LLC
Production reportsIneos USA Oil & Gas LLCthrough Aug 2026
Latest permitChesapeake Operating, Inc.Sep 26, 2011

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

9,867
total depth, ft
1
permits on file
Sep 26, 2011
last permit issued
Apr 10, 2012
completed
139K
cumulative oil, bbl
315K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · MAY 2012 THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 10, 2012
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 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
Mellenbruch Unit a Las O-1-16069Eagleville (Eagle Ford-1)Ineos USA Oil & Gas LLC1139K315KApr 2012 – Aug 2026

Oil, barrels lease total

Last 12 months 2,789 · prior 12 3,108(-10%)

05001K202420252026

Gas, mcf lease total

Last 12 months 7,691 · prior 12 6,793(+13%)

05001K1.5K202420252026

Wells named Mellenbruch Unit a Las

Ineos USA Oil & Gas LLC's other wells filed under this lease name in La Salle County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

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Chain of custody

Operator on the lease's P-4

Each operator named on the P-4 filings for this well's lease (a gas well is its own lease), from the date its filing took effect. The P-4 is filed by lease, so a date before the well was drilled is the lease's.

OperatorFromTo
Ineos USA Oil & Gas LLCApr 28, 2023today
Chesapeake Operating, L.L.C.Nov 1, 2014Apr 28, 2023
Chesapeake Operating, Inc.Apr 10, 2012Nov 1, 2014

Reporting production

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

  1. 1Chesapeake Operating, Inc.May 2012 → Oct 2014
  2. 2Chesapeake Operating, L.L.C.Nov 2014 → Mar 2023
  3. 3Ineos USA Oil & Gas LLCApr 2023 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
724748-99DrillChesapeake Operating, Inc.Sep 21, 2011Sep 26, 2011Dec 3, 201112,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 10, 2012Mellenbruch Unit a Las O-1-16069Eagleville (Eagle Ford-1)Ineos USA Oil & Gas LLCProducing9,867

Formation tops

As filed on W-2/G-1. Subsea from 401 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho9,220-8,819
Austin Chalk9,753-9,352
Eagle Ford9,889-9,488

Perforations

Perforated and open-hole intervals.

FromToType
10,18914,875Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,04912.251,150 S
5.514,9818.752,085 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Oct 24, 2012Sep 5, 2012Yes

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

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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/28332810, documented in the API reference.