WELL · 42-501-36853 · DISTRICT 8
Mach One 300 #4H
Yoakum County · Sable (San Andres) field · Horizontal
Mach One 300 #4H (API 42-501-36853) is a horizontal well in Yoakum County operated by Steward Energy II LLC, completed December 28, 2017.
The RRC has issued one drilling permit, issued September 15, 2017, permitted to 5,600 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, San Andres, Clear Fork.
Its 2 leases have reported 15.3K barrels of oil and 7.96K mcf of gas since December 2017, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Fort Worth, TX · P-5 Y, filed May 4, 2026 · 200 permits on file · (855) 574-2995
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Steward Energy II LLC |
| Production reports | Burk Royalty Co., Ltd.through Apr 2026 |
| Latest permit | Steward Energy II, LLCSep 15, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,600
- total depth, ft
- 1
- permits on file
- Sep 15, 2017
- last permit issued
- Dec 28, 2017
- completed
- 15.3K
- cumulative oil, bbl
- 7.96K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 28, 2017
- Shut in
- —
- Plugged
- —
Surface location
33.239603, -103.024142
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Yoakum 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 |
|---|---|---|---|---|---|---|
| Mach One 300 O-11-71051 | Platang (San Andres) | Burk Royalty Co., Ltd. | 1 | 7.9K | 3.07K | Jun 2020 – Jul 2026 |
| Mach One 300 O-11-70802 | Sable (San Andres) | Steward Energy II, LLC | 1 | 7.35K | 4.89K | Dec 2017 – Oct 2020 |
Oil, barrels lease total
Last 12 months 1,087 · prior 12 857(+27%)
Gas, mcf lease total
Last 12 months 15 · prior 12 223(-93%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Steward Energy II, LLCDec 2017 → Feb 2025
- 2Burk Royalty Co., Ltd.Mar 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 830792-99 | Drill | Steward Energy II, LLC | Sep 8, 2017 | Sep 15, 2017 | Sep 23, 2017 | 5,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-70802 | — | — | — | — |
| — | — O-11-71051 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,775 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaRED BED-SANTA ROSA | 1,100 | 2,675 |
| Yates | 3,093 | 682 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,534 | -759 |
| Clear ForkCLEARFORK - ACTIVE CO2 FLOOD | — | — |
| Glorieta | — | — |
| Leonard | — | — |
| Pennsylvanian | — | — |
| Strawn | — | — |
| Wichita-AlbanyWICHITA | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,628 | 10,665 | Perforated |
| 9,447 | 10,663 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,425 | 12.25 | 960 S |
| 5.5 | 10,822 | 8.75 | 2,320 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 | Sep 4, 2020 | Jan 16, 2019 | — |
| 00 | Mar 25, 2019 | Jan 16, 2019 | Yes |
| 00 | Jan 9, 2019 | Apr 26, 2018 | 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 42-501-36853 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-36853 → 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 neighbours, subsea-aligned so they line up regardless of surface terrain.
Kashmir 35942-501-37374
1.4 KM · Steward Energy II, LLC · Section with this well →
| Santa Rosa | 1,220 | 2,555 |
| Yates | 3,159 | 616 |
| San Andres | 4,557 | -782 |
| Clear Fork | — | |
| Wolfcamp | — | |
| Wichita-Albany | — | |
| Strawn | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Buddy Holly 35942-501-37318
1.7 KM · Steward Energy II, LLC · Section with this well →
| Santa Rosa | 1,100 | 2,681 |
| Yates | 3,122 | 659 |
| San Andres | 4,581 | -800 |
| Leonard | — | |
| Glorieta | — | |
| Clear Fork | — | |
| Strawn | — | |
| Wichita-Albany | — |
10 TOPS · FIRST 8
Buddy Holly 35942-501-37444
2.1 KM · Steward Energy II, LLC · Section with this well →
| San Andres | 4,511 | -727 |
| Glorieta | — | |
| Leonard | — | |
| Pennsylvanian | — | |
| Santa Rosa | — | |
| Clear Fork | — | |
| Strawn | — | |
| Wichita-Albany | — |
10 TOPS · FIRST 8
Buddy Holly 35942-501-37446
2.1 KM · Steward Energy II, LLC · Section with this well →
| Yates | 695 | 3,089 |
| Rustler | 2,267 | 1,517 |
| Salado | 2,357 | 1,427 |
| Castile | 2,926 | 858 |
| Seven Rivers | 3,346 | 438 |
| Queen | 3,888 | -104 |
| San Andres | 4,506 | -722 |
| Clear Fork | — |
10 TOPS · FIRST 8
Rubber Neck 35842-501-37413
2.3 KM · Steward Energy II, LLC · Section with this well →
| Santa Rosa | 1,300 | 2,484 |
| Yates | 3,122 | 662 |
| San Andres | 4,533 | -749 |
| Wichita-Albany | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Pennsylvanian | — | |
| Leonard | — |
10 TOPS · FIRST 8
Rubber Neck 35842-501-37414
2.3 KM · Steward Energy II, LLC · Section with this well →
| Santa Rosa | 1,300 | 2,485 |
| Yates | 3,085 | 700 |
| San Andres | 4,501 | -716 |
| Pennsylvanian | — | |
| Leonard | — | |
| Glorieta | — | |
| Clear Fork | — | |
| Wichita-Albany | — |
10 TOPS · FIRST 8
Rubber Neck 35842-501-37368
2.7 KM · Steward Energy II, LLC · Section with this well →
| Santa Rosa | 1,100 | 2,685 |
| Yates | 3,101 | 684 |
| San Andres | 4,521 | -736 |
| Wolfcamp | — | |
| Wichita-Albany | — | |
| Strawn | — | |
| Pennsylvanian | — | |
| Leonard | — |
10 TOPS · FIRST 8
Freddy Falcon 36042-501-37478
3.2 KM · Ring Energy, Inc. · Section with this well →
| Santa Rosa | 1,100 | 2,684 |
| Yates | 3,168 | 616 |
| San Andres | 4,587 | -803 |
| Pennsylvanian | — | |
| Leonard | — | |
| Clear Fork | — | |
| Strawn | — | |
| Wichita-Albany | — |
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/50136853, documented in the API reference.