WELL · 42-301-36215 · DISTRICT 8
Casswin O #556H
Loving County · Sandbar (Bone Spring) field · Horizontal
Casswin O #556H (API 42-301-36215) is a horizontal well in Loving County operated by Eog Resources Inc., completed April 20, 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 394K barrels of oil and 1.11M 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
Midland, TX · P-5 Y, filed Jul 4, 2026 · 16,348 permits on file · (713) 594-5431
SOURCE · RRC EWA WELLBORE SCHEDULE
- 12,000
- total depth, ft
- 1
- permits on file
- Jan 13, 2023
- last permit issued
- Apr 20, 2023
- completed
- 394K
- cumulative oil, bbl
- 1.11M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 20, 2023
- Shut in
- —
- Plugged
- —
Surface location
31.927962, -103.637432
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Casswin O O-10-60327 | Sandbar (Bone Spring) | EOG Resources, Inc. | 1 | 394K | 1.11M | Jul 2023 – Jul 2026 |
| Casswin O G-10-295130 | Sandbar (Bone Spring) | EOG Resources, Inc. | 1 | 0 | 0 | Apr 2023 – Apr 2024 |
Oil, barrels lease total
Last 12 months 41,845 · prior 12 66,827(-37%)
Gas, mcf lease total
Last 12 months 223,176 · prior 12 204,579(+9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Jul 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 887096-99 | Drill | EOG Resources, Inc. | Jan 9, 2023 | Jan 13, 2023 | May 3, 2023 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-295130 | — | — | — | — |
| — | — O-10-60327 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,032 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bell Canyon | 4,535 | -1,503 |
| Delaware | 4,535 | -1,503 |
| Cherry Canyon | 5,506 | -2,474 |
| Brushy Canyon | 6,837 | -3,805 |
| Bone Spring | 8,583 | -5,551 |
| AtokaATOKA - HIGH PRESSURE | — | — |
| Pennsylvanian | — | — |
| Red Bluff | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,481 | 20,686 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,217 | 12.25 | 510 S |
| 7.625 | 9,735 | 8.75 | 1,332 S |
| 5.5 | 20,695 | 6.75 | 1,135 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 | Feb 29, 2024 | Dec 12, 2023 | Yes |
| 00 | Aug 1, 2023 | May 30, 2023 | 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 42-301-36215 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-301-36215 → scanned completion filings
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.
Casswin P42-301-36216
0.0 KM · EOG Resources, Inc. · Section with this well →
| Bell Canyon | 4,532 | -1,502 |
| Delaware | 4,532 | -1,502 |
| Cherry Canyon | 5,517 | -2,487 |
| Brushy Canyon | 6,838 | -3,808 |
| Bone Spring | 8,570 | -5,540 |
| Atoka | — | |
| Strawn | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Casswin N42-301-36214
0.0 KM · EOG Resources, Inc. · Section with this well →
| Bell Canyon | 4,533 | -1,503 |
| Delaware | 4,533 | -1,503 |
| Cherry Canyon | 5,504 | -2,474 |
| Brushy Canyon | 6,830 | -3,800 |
| Bone Spring | 8,577 | -5,547 |
| Atoka | — | |
| Strawn | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Casswin M42-301-36213
0.0 KM · EOG Resources, Inc. · Section with this well →
| Bell Canyon | 4,520 | -1,490 |
| Delaware | 4,520 | -1,490 |
| Cherry Canyon | 5,491 | -2,461 |
| Brushy Canyon | 6,843 | -3,813 |
| Bone Spring | 8,557 | -5,527 |
| Bone Spring | 9,501 | -6,471 |
| Bone Spring | 10,038 | -7,008 |
| Wolfcamp | — |
12 TOPS · FIRST 8
Cassini 7 Unit42-301-35766
0.2 KM · EOG Resources, Inc. · Section with this well →
| Bell Canyon | 4,529 | -1,489 |
| Delaware | 4,529 | -1,489 |
| Cherry Canyon | 5,500 | -2,460 |
| Brushy Canyon | 6,950 | -3,910 |
| Bone Spring | 8,570 | -5,530 |
| Wolfcamp | 11,598 | -8,558 |
| Pennsylvanian | — | |
| Red Bluff | — |
11 TOPS · FIRST 8
Cassini 7 Unit42-301-35762
0.2 KM · EOG Resources, Inc. · Section with this well →
| Delaware | 4,524 | -1,484 |
| Bell Canyon | 4,524 | -1,484 |
| Cherry Canyon | 5,495 | -2,455 |
| Brushy Canyon | 6,945 | -3,905 |
| Bone Spring | 8,565 | -5,525 |
| Wolfcamp | 11,599 | -8,559 |
| Red Bluff | — | |
| Atoka | — |
10 TOPS · FIRST 8
Cassini 7 Unit42-301-35755
0.2 KM · EOG Resources, Inc. · Section with this well →
| Delaware | 4,519 | -1,479 |
| Bell Canyon | 4,519 | -1,479 |
| Cherry Canyon | 5,490 | -2,450 |
| Brushy Canyon | 6,940 | -3,900 |
| Bone Spring | 8,560 | -5,520 |
| Wolfcamp | 11,600 | -8,560 |
| Red Bluff | — | |
| Atoka | — |
10 TOPS · FIRST 8
Cassini 7 Unit42-301-35767
0.3 KM · EOG Resources, Inc. · Section with this well →
| Bell Canyon | 4,553 | -1,516 |
| Delaware | 4,553 | -1,516 |
| Cherry Canyon | 5,530 | -2,493 |
| Brushy Canyon | 6,855 | -3,818 |
| Bone Spring | 9,520 | -6,483 |
| Wolfcamp | 11,598 | -8,561 |
| Red Bluff | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Cassini 7 Unit42-301-35758
0.3 KM · EOG Resources, Inc. · Section with this well →
| Delaware | 3,772 | -736 |
| Bell Canyon | 3,772 | -736 |
| Cherry Canyon | 4,702 | -1,666 |
| Brushy Canyon | 5,827 | -2,791 |
| Bone Spring | 7,926 | -4,890 |
| Wolfcamp | 9,786 | -6,750 |
| Pennsylvanian | — | |
| 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/30136215, documented in the API reference.