WELL · 42-301-36202 · DISTRICT 8

Casswin J #551H

N

Loving County · Sandbar (Bone Spring) field  · Horizontal

Casswin J #551H (API 42-301-36202) is a horizontal well in Loving County operated by Eog Resources Inc., completed April 30, 2023.

The RRC has issued one drilling permit, issued January 13, 2023, permitted to 12,000 ft.

Completion filings report 10 formation tops, including Bell Canyon, Delaware, Cherry Canyon, Brushy Canyon.

Its 2 leases have reported 432K barrels of oil and 1.26M mcf of gas since April 2023, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

EOG Resources Inc.

Midland, TX · P-5 Y, filed Jul 4, 2026 · 16,344 permits on file · (713) 594-5431

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.Jan 13, 2023
12,000
total depth, ft
1
permits on file
Jan 13, 2023
last permit issued
Apr 30, 2023
completed
432K
cumulative oil, bbl
1.26M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 30, 2023
Shut in
—
Plugged
—

Surface location

31.928358, -103.645910

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Loving 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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Casswin J O-10-60365Sandbar (Bone Spring)EOG Resources, Inc.1432K1.26MJul 2023 – Jul 2026
Casswin J G-10-295165Sandbar (Bone Spring)EOG Resources, Inc.100Apr 2023 – Jul 2023

Oil, barrels lease total

Last 12 months 52,438 · prior 12 99,954(-48%)

050K100K202420252026

Gas, mcf lease total

Last 12 months 240,957 · prior 12 342,543(-30%)

050K100K150K202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.Jul 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
887091-99DrillEOG Resources, Inc.Jan 9, 2023Jan 13, 2023Mar 4, 202312,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-295165————
—— O-10-60365————

Formation tops

As filed on W-2/G-1. Subsea from 3,039 ft elevation.Download CSV →

FormationMD ftSubsea
Bell Canyon4,503-1,464
Delaware4,503-1,464
Cherry Canyon5,468-2,429
Brushy Canyon6,809-3,770
Bone Spring8,552-5,513
AtokaATOKA - HIGH PRESSURE——
Pennsylvanian——
Red Bluff——
Strawn——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
10,43720,631Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,21912.25660 S
7.6259,7518.751,730 S
5.520,6406.751,130 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
00Mar 7, 2024Dec 12, 2023—
00Aug 4, 2023May 30, 2023Yes

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) and the University Lands library. 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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Casswin K42-301-36211

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

Delaware4,501-1,462
Bell Canyon4,501-1,462
Cherry Canyon5,467-2,428
Brushy Canyon6,808-3,769
Bone Spring8,546-5,507
Pennsylvanian—
Atoka—
Wolfcamp—

10 TOPS · FIRST 8

Casswin L42-301-36212

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

Delaware4,492-1,453
Bell Canyon4,492-1,453
Cherry Canyon5,458-2,419
Brushy Canyon6,799-3,760
Bone Spring8,537-5,498
Strawn—
Red Bluff—
Pennsylvanian—

10 TOPS · FIRST 8

Casswin G42-301-36042

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

Delaware4,499-1,460
Bell Canyon4,499-1,460
Cherry Canyon5,488-2,449
Brushy Canyon6,811-3,772
Bone Spring8,536-5,497
Wolfcamp11,589-8,550
Atoka—
Strawn—

10 TOPS · FIRST 8

Casswin D42-301-36039

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

Delaware4,499-1,460
Bell Canyon4,499-1,460
Cherry Canyon5,433-2,394
Brushy Canyon6,756-3,717
Bone Spring8,481-5,442
Bone Spring9,416-6,377
Bone Spring9,727-6,688
Bone Spring11,094-8,055

13 TOPS · FIRST 8

Casswin A42-301-36034

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

Delaware4,499-1,460
Bell Canyon4,499-1,460
Cherry Canyon5,433-2,394
Brushy Canyon6,756-3,717
Bone Spring8,481-5,442
Bone Spring9,416-6,377
Bone Spring9,727-6,688
Bone Spring11,124-8,085

13 TOPS · FIRST 8

Casswin H42-301-36043

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

Bell Canyon4,508-1,470
Delaware4,508-1,470
Cherry Canyon5,496-2,458
Brushy Canyon6,938-3,900
Bone Spring8,538-5,500
Wolfcamp11,598-8,560
Strawn—
Atoka—

10 TOPS · FIRST 8

Casswin F42-301-36041

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

Delaware4,474-1,436
Bell Canyon4,474-1,436
Cherry Canyon5,456-2,418
Brushy Canyon6,924-3,886
Bone Spring8,538-5,500
Wolfcamp11,573-8,535
Strawn—
Red Bluff—

10 TOPS · FIRST 8

Casswin C42-301-36037

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

Bell Canyon4,499-1,461
Delaware4,499-1,461
Cherry Canyon5,433-2,395
Brushy Canyon6,756-3,718
Bone Spring8,574-5,536
Wolfcamp11,534-8,496
Red Bluff—
Strawn—

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/30136202, documented in the API reference.