WELL · 42-123-35380 · DISTRICT 2
Ressman 01 AC #12H
DE Witt County · Sugarkane (Austin Chalk) field · Producing · Horizontal
Ressman 01 AC #12H (API 42-123-35380) is a horizontal well in De Witt County operated by Marathon Oil EF LLC, completed June 8, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 9, 2024, permitted to 22,000 ft.
Completion filings report 8 formation tops, including Wilcox, Austin Chalk, Eagle Ford, Catahoula.
No lease production has been reported under this well’s leases.
Operator of record
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 | Marathon Oil EF LLCFeb 9, 2024 |
- 22,000
- total depth, ft
- 1
- permits on file
- Feb 9, 2024
- last permit issued
- Jun 8, 2024
- completed
- 0
- cumulative oil, bbl
- 1M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 8, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
29.004831, -97.593889
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in DE Witt 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 |
|---|---|---|---|---|---|---|
| Ressman 01 AC G-2-298246 | Sugarkane (Austin Chalk) | Marathon Oil EF LLC | 1 | 0 | 1M | Jun 2024 – Jul 2026 |
Gas, mcf lease total
Last 12 months 263,860 · prior 12 739,154(-64%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCJun 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 897086-99 | Drill | Marathon Oil EF LLC | Feb 5, 2024 | Feb 9, 2024 | Mar 10, 2024 | 22,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-298246 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 374 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 6,236 | -5,862 |
| Austin Chalk | 13,049 | -12,675 |
| Eagle Ford | 13,060 | -12,686 |
| Catahoula | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Frio | — | — |
| Vicksburg | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,734 | 19,363 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,656 | 12.25 | 1,162 S |
| 5.5 | 19,362 | 8.75 | 3,701 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 | Jun 16, 2025 | Jun 9, 2025 | — |
| 00 | Nov 21, 2024 | Sep 12, 2024 | 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 42-123-35380 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-35380 → 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.
Hope-Bruns SA142-123-35377
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Wilcox | 5,847 | -5,474 |
| Austin Chalk | 13,051 | -12,678 |
| Eagle Ford | 13,388 | -13,015 |
| Catahoula | — | |
| Yegua | — | |
| Vicksburg | — | |
| Frio | — | |
| Edwards | — |
Ressman-James Gano SA142-123-35379
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Wilcox | 6,236 | -5,837 |
| Austin Chalk | 13,049 | -12,650 |
| Eagle Ford | 13,376 | -12,977 |
| Edwards | — | |
| Catahoula | — | |
| Yegua | — | |
| Vicksburg | — | |
| Frio | — |
Rooster SWD42-123-34676
1.0 KM · Goodnight Midstream Permian, LLC · Section with this well →
| Yegua | 2,952 | -2,562 |
| Lower Claiborne | 3,904 | -3,514 |
| Wilcox | 6,210 | -5,820 |
| Wilcox | 8,314 | -7,924 |
| Eagle Ford | — | |
| Edwards | — | |
| Catahoula | — | |
| Frio | — |
10 TOPS · FIRST 8
Edward Roeder-James Gano SA142-123-35597
1.4 KM · Marathon Oil EF LLC · Section with this well →
| Catahoula | 447 | -64 |
| Frio | 1,229 | -846 |
| Yegua | 3,006 | -2,623 |
| Wilcox | 6,231 | -5,848 |
| Austin Chalk | 13,046 | -12,663 |
| Eagle Ford | 13,368 | -12,985 |
| Edwards | — | |
| Vicksburg | — |
Edward Roeder-Migura a SA142-123-35609
1.4 KM · Marathon Oil EF LLC · Section with this well →
| Catahoula | 448 | -65 |
| Frio | 1,230 | -847 |
| Yegua | 3,008 | -2,625 |
| Wilcox | 6,244 | -5,861 |
| Austin Chalk | 13,065 | -12,682 |
| Eagle Ford | 13,369 | -12,986 |
| Edwards | — | |
| Vicksburg | — |
James Gano 01 - PF01 - J01 C42-123-35111
2.0 KM · Ensign Operating LLC · Section with this well →
| Wilcox | 6,258 | -5,949 |
| Austin Chalk | 13,110 | -12,801 |
| Eagle Ford | 13,374 | -13,065 |
| Edwards | — | |
| Frio | — | |
| Vicksburg | — | |
| Yegua | — | |
| Catahoula | — |
James Gano 01 - PF01 - J01 B42-123-35110
2.0 KM · Ensign Operating LLC · Section with this well →
| Wilcox | 6,252 | -5,943 |
| Austin Chalk | 13,116 | -12,807 |
| Eagle Ford | 13,387 | -13,078 |
| Yegua | — | |
| Catahoula | — | |
| Edwards | — | |
| Frio | — | |
| Vicksburg | — |
James Gano 01 - PF01 - J01 A42-123-35109
2.0 KM · Ensign Operating LLC · Section with this well →
| Wilcox | 6,299 | -5,991 |
| Austin Chalk | 13,110 | -12,802 |
| Eagle Ford | 13,379 | -13,071 |
| Vicksburg | — | |
| Yegua | — | |
| Catahoula | — | |
| Frio | — | |
| 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/12335380, documented in the API reference.