WELL · 42-285-34058 · DISTRICT 2
Five Star Unit #1H
Lavaca County · Sugarkane (Austin Chalk) field · SWR-10-Well · Horizontal
Five Star Unit #1H (API 42-285-34058) is a horizontal well in Lavaca County operated by Marathon Oil EF LLC, completed September 1, 2018 and listed as swr-10-well on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued April 16, 2018, permitted to 14,500 ft.
It was permitted by Rocky Creek Resources, LLC and has since transferred to Marathon Oil EF LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Frio, Vicksburg, Yegua, Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Rocky Creek Resources, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil EF LLC |
| Production reports | Marathon Oil EF LLCthrough Apr 2026 |
| Latest permit | Rocky Creek Resources, LLCApr 16, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,500
- total depth, ft
- 3
- permits on file
- Apr 16, 2018
- last permit issued
- Sep 1, 2018
- completed
- 0
- cumulative oil, bbl
- 2.48M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 1, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
29.378906, -97.137174
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Lavaca 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 |
|---|---|---|---|---|---|---|
| Five Star Unit G-2-285500 | Eagleville (Eagle Ford-2) | Marathon Oil EF LLC | 1 | 0 | 2.48M | Sep 2018 – Jul 2026 |
| Five Star Unit G-2-285529 | Sugarkane (Austin Chalk) | Marathon Oil EF LLC | 1 | 0 | 0 | Sep 2018 – Jul 2026 |
Gas, mcf lease total
Last 12 months 19,830 · prior 12 56,214(-65%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Rocky Creek Resources, LLCSep 2018 → Oct 2019
- 2Marathon Oil EF LLCNov 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 838609-97 | Drill | Rocky Creek Resources, LLC | Jun 27, 2018 | Apr 16, 2018 | May 2, 2018 | 14,500 |
| 838609-98 | Drill | Rocky Creek Resources, LLC | Apr 20, 2018 | Apr 16, 2018 | — | 14,500 |
| 838609-99 | Drill | Rocky Creek Resources, LLC | Apr 9, 2018 | Apr 16, 2018 | May 2, 2018 | 14,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-285500 | — | — | — | — |
| — | — G-2-285529 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 360 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 600 | -240 |
| Vicksburg | 1,199 | -839 |
| YeguaYEGUA - DISPOSAL | 2,598 | -2,238 |
| WilcoxWILCOX - DISPOSAL | 5,794 | -5,434 |
| Austin Chalk | 12,573 | -12,213 |
| Eagle FordEAGLE FORD - H2S | 13,124 | -12,764 |
| Catahoula | — | — |
| EdwardsEDWARDS - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,616 | 20,592 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 80 | 24 | 200 S |
| 13.375 | 3,705 | 17.5 | 2,405 S |
| 9.625 | 11,990 | 12.25 | 3,600 S |
| 5.5 | 20,680 | 8.5 | 1,780 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 | Nov 26, 2019 | May 22, 2019 | Yes |
| 00 | Jan 18, 2019 | Oct 22, 2018 | — |
| 00 | Jan 16, 2019 | Oct 22, 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 42-285-34058 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-285-34058 → 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.
Frances42-285-34125
1.0 KM · Rocky Creek Resources, LLC · Section with this well →
| Catahoula | 1,700 | -1,398 |
| Frio | 2,300 | -1,998 |
| Vicksburg | 2,500 | -2,198 |
| Yegua | 4,600 | -4,298 |
| Wilcox | 5,400 | -5,098 |
| Eagle Ford | 12,987 | -12,685 |
| Edwards | — |
Kloesel Unit42-285-34057
1.5 KM · Rocky Creek Resources, LLC · Section with this well →
| Frio | 499 | -154 |
| Vicksburg | 1,099 | -754 |
| Yegua | 2,299 | -1,954 |
| Wilcox | 5,652 | -5,307 |
| Austin Chalk | 12,389 | -12,044 |
| Eagle Ford | 12,936 | -12,591 |
| Catahoula | — | |
| Edwards | — |
Gos42-285-34111
1.8 KM · Rocky Creek Resources, LLC · Section with this well →
| Catahoula | 1,600 | -1,313 |
| Frio | 2,198 | -1,911 |
| Vicksburg | 2,393 | -2,106 |
| Yegua | 2,865 | -2,578 |
| Wilcox | 5,703 | -5,416 |
| Eagle Ford | 13,140 | -12,853 |
| Edwards | — |
Mad King Unit42-285-34135
2.8 KM · Marathon Oil EF LLC · Section with this well →
| Frio | 499 | -105 |
| Vicksburg | 1,099 | -705 |
| Yegua | 2,299 | -1,905 |
| Wilcox | 5,727 | -5,333 |
| Eagle Ford | 12,635 | -12,241 |
| Edwards | — | |
| Catahoula | — |
Drellek Unit42-285-34134
2.8 KM · Marathon Oil EF LLC · Section with this well →
| Frio | 499 | -105 |
| Vicksburg | 1,099 | -705 |
| Yegua | 2,299 | -1,905 |
| Wilcox | 5,723 | -5,329 |
| Eagle Ford | 12,556 | -12,162 |
| Edwards | — | |
| Catahoula | — |
Feros A42-285-34324
4.3 KM · Baytex Energy USA, Inc. · Section with this well →
| Anacacho | 11,775 | -11,423 |
| Austin Chalk | 12,058 | -11,706 |
| Eagle Ford | 12,697 | -12,345 |
| Frio | — | |
| Yegua | — | |
| Wilcox | — | |
| Vicksburg | — | |
| Catahoula | — |
9 TOPS · FIRST 8
Feros B42-285-34325
4.3 KM · Baytex Energy USA, Inc. · Section with this well →
| Anacacho | 11,812 | -11,460 |
| Austin Chalk | 12,102 | -11,750 |
| Eagle Ford | 12,649 | -12,297 |
| Yegua | — | |
| Catahoula | — | |
| Edwards | — | |
| Frio | — | |
| Vicksburg | — |
9 TOPS · FIRST 8
Greive Unit42-285-34104
5.1 KM · Rocky Creek Resources, LLC · Section with this well →
| Catahoula | 1,600 | -1,272 |
| Frio | 2,200 | -1,872 |
| Vicksburg | 2,400 | -2,072 |
| Yegua | 2,900 | -2,572 |
| Wilcox | 5,338 | -5,010 |
| Eagle Ford | 12,744 | -12,416 |
| Edwards | — |
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/28534058, documented in the API reference.