TEXAS · WELLS · LA SALLE COUNTY · ERNST LAS LEASE · API 42-283-33250 · DISTRICT 01
Ernst Las #1H
La Salle County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Ernst Las #1H (API 42-283-33250) is a horizontal well in La Salle County operated by Ineos USA Oil & Gas LLC, completed October 22, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 22, 2012, permitted to 9,751 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 4 formation tops, including Anacacho, Austin Chalk, Eagle Ford, Ealge Ford.
Its lease has reported 221K barrels of oil and 977K mcf of gas since August 2012, last reporting volume in August 2026.
Operator of record
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 schedule | Ineos USA Oil & Gas LLC |
| Production reports | Ineos USA Oil & Gas LLCthrough Apr 2026 |
| Latest permit | Chesapeake Operating, Inc.May 22, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,751
- total depth, ft
- 1
- permits on file
- May 22, 2012
- last permit issued
- Oct 22, 2012
- completed
- 221K
- cumulative oil, bbl
- 977K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · FEB 2013 THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 22, 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.
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ernst Las O-1-16501 | Eagleville (Eagle Ford-1) | Ineos USA Oil & Gas LLC | 1 | 221K | 977K | Aug 2012 – Aug 2026 |
Oil, barrels lease total
Last 12 months 2,978 · prior 12 211
Gas, mcf lease total
Last 12 months 4,288 · prior 12 397
Wells named Ernst 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.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Feb 2013 → Oct 2014
- 2Chesapeake Operating, L.L.C.Nov 2014 → Mar 2023
- 3Ineos USA Oil & Gas LLCApr 2023 → Jul 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 740557-99 | Drill | Chesapeake Operating, Inc. | May 11, 2012 | May 22, 2012 | Aug 2, 2012 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 22, 2012 | Ernst Las O-1-16501 | Eagleville (Eagle Ford-1) | Ineos USA Oil & Gas LLC | Producing | 9,751 |
Formation tops
As filed on W-2/G-1. Subsea from 422 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 8,991 | -8,569 |
| Austin Chalk | 9,549 | -9,127 |
| Eagle Ford | 9,732 | -9,310 |
| Ealge Ford | 9,732 | -9,310 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,986 | 17,083 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,594 | 12.25 | 1,140 S |
| 5.5 | 17,181 | 8.75 | 2,560 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 →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jun 17, 2013 | Apr 18, 2013 | — |
| 00 | Apr 17, 2013 | Feb 14, 2013 | Yes |
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.
- Wellbore filings for 42-283-33250 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-33250 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/28333250, documented in the API reference.