WELL · 42-311-34585 · DISTRICT 1
76 Ranch MCM #A 3H
McMullen County · Eagleville (Eagle Ford-1) field · Horizontal
76 Ranch Mcm #A 3H (API 42-311-34585) is a plugged horizontal well in Mcmullen County, plugged October 18, 2022, last operated by San Isidro Development CO L. C..
The RRC has issued one drilling permit (amended once), issued June 24, 2011, permitted to 9,000 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to San Isidro Development CO L. C. on the wellbore schedule.
Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.
Its lease has reported 606K barrels of oil and 1.29M mcf of gas since August 2011, last reporting in February 2025. The lease carries 8 wells, so these are lease totals, not this well alone.
Operator of record
San Isidro Development Co L. C.
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
Sandia, TX · P-5 Y, filed May 4, 2026 · 46 permits on file · (361) 765-2450
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | San Isidro Development Co L. C. |
| Production reports | San Isidro Development Co, L. C.through Oct 2022 |
| Latest permit | Chesapeake Operating, Inc.Jun 24, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 2
- permits on file
- Jun 24, 2011
- last permit issued
- Dec 9, 2011
- completed
- 606K
- cumulative oil, bbl
- 1.29M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2011 THROUGH Feb 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 9, 2011
- Shut in
- —
- Plugged
- Oct 18, 2022
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.
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; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| 76 Ranch MCM O-1-15603 | Eagleville (Eagle Ford-1) | San Isidro Development Co, L. C. | 8 | 606K | 1.29M | Aug 2011 – Feb 2025 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Apr 2012 → Oct 2014
- 2Chesapeake Operating, L.L.C.Nov 2014 → Apr 2020
- 3San Isidro Development Co, L. C.Oct 2022 → Oct 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 718958-98 | Drill | Chesapeake Operating, Inc. | Jun 29, 2011 | Jun 24, 2011 | Jul 28, 2011 | 9,000 |
| 718958-99 | Drill | Chesapeake Operating, Inc. | Jun 22, 2011 | Jun 24, 2011 | Jul 28, 2011 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-15603 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 266 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 10,657 | -10,391 |
| Austin Chalk | 10,991 | -10,725 |
| Eagle Ford | 11,051 | -10,785 |
| Eagle FordEAGLEFORD | 11,051 | -10,785 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,431 | 15,165 | Perforated |
| 15,024 | 15,165 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,986 | 12.25 | 1,350 S |
| 5.5 | 15,269 | 8.75 | 2,265 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 14, 2012 | Jun 22, 2012 | — |
| 00 | Mar 9, 2012 | Dec 5, 2011 | 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 42-311-34585 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-34585 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
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/31134585, documented in the API reference.