TEXAS · WELLS · MCMULLEN COUNTY · CORNER S RANCH MCM LEASE · API 42-311-34701 · DISTRICT 01
Corner S Ranch MCM #4H
McMullen County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Corner S Ranch Mcm #4H (API 42-311-34701) is a horizontal well in Mcmullen County operated by Ineos USA Oil & Gas LLC, completed March 4, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 10, 2011, permitted to 9,397 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 891K barrels of oil and 560K mcf of gas since January 2012, last reporting volume in August 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
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 Aug 2026 |
| Latest permit | Chesapeake Operating, Inc.Nov 10, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,397
- total depth, ft
- 1
- permits on file
- Nov 10, 2011
- last permit issued
- Mar 4, 2012
- completed
- 891K
- cumulative oil, bbl
- 560K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · AUG 2012 THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 4, 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; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Corner S Ranch MCM O-1-16040 | Eagleville (Eagle Ford-1) | Ineos USA Oil & Gas LLC | 8 | 891K | 560K | Jan 2012 – Aug 2026 |
Oil, barrels lease total
Last 12 months 9,285 · prior 12 10,423(-11%)
Gas, mcf lease total
Last 12 months 12,726 · prior 12 4,515(+182%)
Wells named Corner S Ranch MCM
Ineos USA Oil & Gas LLC's other wells filed under this lease name in McMullen 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.Aug 2012 → Oct 2014
- 2Chesapeake Operating, L.L.C.Nov 2014 → Mar 2023
- 3Ineos USA Oil & Gas LLCApr 2023 → Aug 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 727767-99 | Drill | Chesapeake Operating, Inc. | Nov 7, 2011 | Nov 10, 2011 | Dec 21, 2011 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 4, 2012 | Corner S Ranch MCM O-1-16040 | Eagleville (Eagle Ford-1) | Ineos USA Oil & Gas LLC | Producing | 9,397 |
Formation tops
As filed on W-2/G-1. Subsea from 430 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 8,941 | -8,511 |
| Austin Chalk | 9,295 | -8,865 |
| Eagle Ford | 9,480 | -9,050 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,875 | 14,450 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,210 | 12.25 | 1,395 S |
| 5.5 | 14,556 | 8.75 | 2,190 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 | Jan 28, 2013 | Nov 2, 2012 | Yes |
| 00 | Oct 11, 2012 | Aug 16, 2012 | Yes |
Well logs
4 logs loaded from the RRC's log index, the latest received Apr 3, 2015. Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| RESISTIVITYSpans Anacacho, Austin Chalk | TIFF | 108 to 9,396 | Apr 3, 2015run Jan 6, 2012 | 3.68 |
| RESISTIVITYSpans Anacacho, Austin Chalk, Eagle Ford | TIFF | 108 to 14,556 | Apr 3, 2015run Jan 6, 2012 | 6.11 |
| RESISTIVITYSpans Anacacho, Austin Chalk | TIFF | 108 to 9,396 | Feb 18, 2015run Jan 6, 2012 | 5.46 |
| RESISTIVITYSpans Anacacho, Austin Chalk, Eagle Ford | TIFF | 108 to 14,556 | Feb 18, 2015run Jan 6, 2012 | 9.38 |
"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.
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 42-311-34701 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-34701 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search 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/31134701, documented in the API reference.