WELL · 42-243-30101 · DISTRICT 8
Leoncita State 11-10 #1
Jeff Davis County · Wildcat field · Vertical
Leoncita State 11-10 #1 (API 42-243-30101) is a plugged well in Jeff Davis County, plugged July 23, 2014, last operated by Cog Operating LLC.
The RRC has issued one drilling permit, issued December 12, 2007, permitted to 15,000 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Wfcp, Atoka, Mrrow Hs, Wdfd.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | Chesapeake Operating, Inc.through Nov 2008 |
| Latest permit | Chesapeake Operating, Inc.Dec 12, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,000
- total depth, ft
- 1
- permits on file
- Dec 12, 2007
- last permit issued
- Jul 12, 2008
- completed
- 0
- cumulative oil, bbl
- 85
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2008 THROUGH Jul 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 12, 2008
- Shut in
- —
- Plugged
- Jul 23, 2014
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Leoncita State 11-10 G-10-248388 | Wildcat | COG Operating LLC | 1 | 0 | 85 | Jul 2008 – Jul 2014 |
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.Jul 2008 → Nov 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 650875-99 | Drill | Chesapeake Operating, Inc. | Dec 6, 2007 | Dec 12, 2007 | Dec 20, 2007 | 15,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-248388 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,704 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wfcp | 8,301 | -4,597 |
| Atoka | 9,822 | -6,118 |
| Mrrow HS | 10,000 | -6,296 |
| Wdfd | 10,759 | -7,055 |
| Dev | 11,117 | -7,413 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,992 | 10,862 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,348 | 17.5 | 1,635 S |
| 9.625 | 6,755 | 12.25 | 887 S |
| 5.5 | 11,520 | 8.75 | 1,230 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 | Jul 16, 2009 | Jul 15, 2008 | Yes |
| 00 | Jun 25, 2009 | — | — |
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 42-243-30101 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-243-30101 → 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/24330101, documented in the API reference.