WELL · 42-177-34211 · DISTRICT 1

Caspian D #4H

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

Caspian D #4H (API 42-177-34211) is a horizontal well in Gonzales County operated by Eog Resources Inc., completed October 8, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 20, 2019, permitted to 13,200 ft.

Completion filings report 9 formation tops, including Reklaw, Carrizo, Wilcox, Navarro.

Its lease has reported 228K barrels of oil and 523K mcf of gas since January 2020, last reporting in July 2026.

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 schedule	EOG Resources Inc.
Production reports	EOG Resources, Inc.through Apr 2026
Latest permit	EOG Resources, Inc.Sep 20, 2019

13,200: total depth, ft
1: permits on file
Sep 20, 2019: last permit issued
Oct 8, 2020: completed
228K: cumulative oil, bbl
523K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Oct 8, 2020
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active (A)

Surface location

29.431951, -97.233567

Google Maps ↗

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

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
Caspian D O-1-20309	Eagleville (Eagle Ford-1)	EOG Resources, Inc.	1	228K	523K	Jan 2020 – Jul 2026

Oil, barrels lease total

Last 12 months 12,471 · prior 12 12,628(-1%)

Gas, mcf lease total

Last 12 months 27,744 · prior 12 39,818(-30%)

Chain of custody

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

1EOG Resources, Inc.Oct 2020 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
857082-99	Drill	EOG Resources, Inc.	Sep 13, 2019	Sep 20, 2019	Nov 27, 2019	13,200

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-1-20309	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 428 ft elevation.Download CSV →

Formation	MD ft	Subsea
Reklaw	4,020	-3,592
Carrizo	4,580	-4,152
WilcoxWILCOX - DISPOSAL	4,581	-4,153
Navarro	9,667	-9,239
Anacacho	10,979	-10,551
Austin ChalkAUSTIN CHALK - H2S	11,341	-10,913
Eagle FordEAGLE FORD - H2S	11,880	-11,452
BudaBUDA - H2S, DISPOSAL	—	—
EdwardsEDWARDS - H2S	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
12,369	19,304	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	1,010	17.5	735 S
9.625	8,837	12.25	1,700 S
6	19,385	8.5	1,820 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	Oct 28, 2020	Oct 20, 2020	Yes
00	Oct 13, 2020	Sep 25, 2020	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 42-177-34211 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-177-34211 → 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.

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 →

Caspian C42-177-34210

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

Reklaw	4,020	-3,592
Carrizo	4,580	-4,152
Wilcox	4,581	-4,153
Navarro	9,662	-9,234
Anacacho	10,940	-10,512
Austin Chalk	11,294	-10,866
Eagle Ford	11,880	-11,452
Buda	—

9 TOPS · FIRST 8

Atlantic C42-177-34209

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

Anacacho	1,098	-670
Reklaw	4,020	-3,592
Carrizo	4,580	-4,152
Wilcox	4,581	-4,153
Navarro	9,653	-9,225
Austin Chalk	11,352	-10,924
Eagle Ford	11,876	-11,448
Buda	—

9 TOPS · FIRST 8

Atlantic A42-177-33996

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

Reklaw	4,020	-3,600
Carrizo	4,580	-4,160
Wilcox	4,581	-4,161
Navarro	9,653	-9,233
Anacacho	10,960	-10,540
Austin Chalk	11,470	-11,050
Eagle Ford	11,860	-11,440
Buda	—

9 TOPS · FIRST 8

Caspian A42-177-34003

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

Reklaw	4,020	-3,602
Carrizo	4,580	-4,162
Wilcox	4,581	-4,163
Navarro	9,653	-9,235
Anacacho	10,956	-10,538
Austin Chalk	11,451	-11,033
Eagle Ford	11,867	-11,449
Buda	—

9 TOPS · FIRST 8

Jamestown C42-177-33934

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

Eagle Ford	1,160	-751
Reklaw	4,201	-3,792
Wilcox	4,592	-4,183
Carrizo	4,639	-4,230
Navarro	9,603	-9,194
Anacacho	10,954	-10,545
Austin Chalk	11,473	-11,064
Edwards	—

9 TOPS · FIRST 8

Jamestown B42-177-33933

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

Reklaw	4,201	-3,791
Wilcox	4,592	-4,182
Carrizo	4,639	-4,229
Navarro	9,603	-9,193
Anacacho	10,939	-10,529
Austin Chalk	11,457	-11,047
Eagle Ford	11,843	-11,433
Buda	—

9 TOPS · FIRST 8

Jamestown A42-177-33932

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

Reklaw	4,201	-3,791
Wilcox	4,592	-4,182
Carrizo	4,639	-4,229
Navarro	9,603	-9,193
Anacacho	10,937	-10,527
Austin Chalk	11,438	-11,028
Eagle Ford	11,827	-11,417
Edwards	—

9 TOPS · FIRST 8

Shiner Unit B42-285-34171

1.1 KM · Marathon Oil EF LLC · Section with this well →

Cook Mountain	2,760	-2,323
Queen City	3,670	-3,233
Reklaw	3,987	-3,550
Carrizo	4,773	-4,336
Wilcox	4,816	-4,379
Wilcox	4,816	-4,379
Anacacho	11,135	-10,698
Austin Chalk	11,384	-10,947

14 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/17734211, documented in the API reference.