WELL · 42-311-34652 · DISTRICT 1
Naylor Jones Unit 43 #4H
McMullen County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Naylor Jones Unit 43 #4H (API 42-311-34652) is a horizontal well in Mcmullen County operated by Eog Resources Inc., completed February 25, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 30, 2011, permitted to 11,000 ft.
Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.
Its lease has reported 1M barrels of oil and 1.63M mcf of gas since February 2012, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 16,348
- Phone
- (713) 651-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | EOG Resources, Inc.through Apr 2026 |
| Latest permit | EOG Resources, Inc.Aug 30, 2011 |
- 11,000
- total depth, ft
- 1
- permits on file
- Aug 30, 2011
- last permit issued
- Feb 25, 2012
- completed
- 1M
- cumulative oil, bbl
- 1.63M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 25, 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.
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Naylor Jones Unit 43 O-1-15795 | Eagleville (Eagle Ford-1) | EOG Resources, Inc. | 5 | 1M | 1.63M | Feb 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 11,658 · prior 12 20,007(-42%)
Gas, mcf lease total
Last 12 months 20,124 · prior 12 39,510(-49%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Mar 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 722819-99 | Drill | EOG Resources, Inc. | Aug 22, 2011 | Aug 30, 2011 | Dec 21, 2011 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-15795 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 289 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 9,782 | -9,493 |
| Austin Chalk | 10,182 | -9,893 |
| Eagle Ford | 10,312 | -10,023 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,687 | 16,882 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,365 | 12.25 | 1,510 S |
| 5.5 | 16,900 | 8.5 | 2,365 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 | May 29, 2012 | Apr 18, 2012 | 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 42-311-34652 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-34652 → 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/31134652, documented in the API reference.