TEXAS · WELLS · LA SALLE COUNTY · API 42-283-36403 · DISTRICT 01

Naylor Jones Unit 81 #4H

Shut in

La Salle County · Eagleville (Eagle Ford-1) field · Producing  · Horizontal

Naylor Jones Unit 81 #4H (API 42-283-36403) is a horizontal well in La Salle County operated by Eog Resources Inc., completed March 5, 2019 and listed as producing on the RRC schedule, shut in August 1, 2026.

The RRC has issued one drilling permit (amended once), issued July 18, 2018, permitted to 9,557 ft.

Completion filings report 10 formation tops, including Yegua, Sparta, Queen City, Escondido.

Its 2 leases have reported 618K barrels of oil and 1.64M mcf of gas since February 2016, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.

Operator of record

EOG Resources Inc.

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 scheduleEOG Resources Inc.
Production reportsEOG Resources, Inc.through Apr 2026
Latest permitEOG Resources, Inc.Jul 18, 2018
9,557
total depth, ft
2
permits on file
Jul 18, 2018
last permit issued
Mar 5, 2019
completed
618K
cumulative oil, bbl
1.64M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2016 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 5, 2019
Shut in
Aug 1, 2026
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

Surface location

28.456561, -98.910736

Google Maps ↗

Permit surface location from the RRC GIS record, in La Salle County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Naylor Jones Unit 81 G-1-292453Eagleville (Eagle Ford-1)EOG Resources, Inc.10564KMar 2019 – Jul 2026
Naylor Jones Unit 81 O-1-18718Eagleville (Eagle Ford-1)EOG Resources, Inc.6618K1.08MFeb 2016 – Jul 2026

Oil, barrels lease total

Last 12 months 8,641 · prior 12 15,613(-45%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 29,867 · prior 12 55,649(-46%)

05K10K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1EOG Resources, Inc.Feb 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
842494-98DrillEOG Resources, Inc.Apr 23, 2019Jul 18, 2018Aug 12, 201810,500
842494-99DrillEOG Resources, Inc.Jul 17, 2018Jul 18, 2018Aug 12, 201810,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 5, 2019Naylor Jones Unit 81 G-1-292453Eagleville (Eagle Ford-1)EOG Resources Inc.Producing · shut in Aug 1, 20269,557
Mar 5, 2019Naylor Jones Unit 81 O-1-18718Eagleville (Eagle Ford-1)EOG Resources Inc.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 326 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua202124
Sparta854-528
Queen City1,126-800
Escondido2,640-2,314
WilcoxWILCOX - DISPOSAL2,640-2,314
Carrizo2,641-2,315
OlmosOLMOS - DISPOSAL7,232-6,906
Anacacho8,745-8,419
Austin Chalk9,369-9,043
Eagle FordEAGLE FORD - H2S9,435-9,109

Perforations

Perforated and open-hole intervals.

FromToType
9,74817,299Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,90012.251,042 S
617,3748.752,515 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00May 31, 2022May 6, 2022Yes
00May 9, 2019Apr 30, 2019Yes

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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Naylor Jones Unit 8142-283-36404

0.0 KM · EOG Resources, Inc. · Section with this well →

Yegua202124
Sparta854-528
Queen City1,126-800
Wilcox2,640-2,314
Escondido2,640-2,314
Carrizo2,641-2,315
Olmos7,232-6,906
Anacacho8,747-8,421

10 TOPS · FIRST 8

Naylor Jones Unit 8142-283-36402

0.0 KM · EOG Resources, Inc. · Section with this well →

Yegua200126
Sparta852-526
Queen City1,124-798
Wilcox2,638-2,312
Escondido2,638-2,312
Carrizo2,639-2,313
Olmos7,230-6,904
Anacacho8,758-8,432

10 TOPS · FIRST 8

Naylor Jones Unit 8142-283-36405

0.0 KM · EOG Resources, Inc. · Section with this well →

Yegua200126
Sparta852-526
Queen City1,124-798
Escondido2,638-2,312
Wilcox2,638-2,312
Carrizo2,639-2,313
Olmos7,231-6,905
Anacacho8,758-8,432

12 TOPS · FIRST 8

Naylor Jones Unit 8042-283-36466

1.4 KM · EOG Resources, Inc. · Section with this well →

Yegua207139
Sparta859-513
Queen City1,131-785
Escondido2,645-2,299
Wilcox2,645-2,299
Carrizo2,646-2,300
Olmos7,241-6,895
Anacacho8,742-8,396

10 TOPS · FIRST 8

Naylor Jones Unit 8042-283-36465

1.4 KM · EOG Resources, Inc. · Section with this well →

Yegua201145
Sparta853-507
Queen City1,125-779
Escondido2,639-2,293
Wilcox2,639-2,293
Carrizo2,640-2,294
Olmos7,235-6,889
Anacacho8,709-8,363

10 TOPS · FIRST 8

Naylor Jones Unit 8042-283-36464

1.4 KM · EOG Resources, Inc. · Section with this well →

Yegua198147
Sparta850-505
Queen City1,122-777
Wilcox2,636-2,291
Escondido2,636-2,291
Carrizo2,637-2,292
Olmos7,232-6,887
Anacacho8,705-8,360

12 TOPS · FIRST 8

Naylor Jones Unit 8042-283-36463

1.4 KM · EOG Resources, Inc. · Section with this well →

Yegua194151
Sparta846-501
Queen City1,118-773
Escondido2,632-2,287
Wilcox2,632-2,287
Carrizo2,633-2,288
Olmos7,228-6,883
Anacacho8,732-8,387

12 TOPS · FIRST 8

NNJ Coho A42-283-36691

2.4 KM · EOG Resources, Inc. · Section with this well →

Yegua59277
Sparta777-441
Queen City997-661
Wilcox2,561-2,225
Escondido2,561-2,225
Carrizo2,562-2,226
Olmos7,185-6,849
Anacacho8,791-8,455

10 TOPS · FIRST 8

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/28336403, documented in the API reference.