WELL · 42-255-36657 · DISTRICT 2
SSL SWD #2
Karnes County · Vertical
Ssl Swd #2 (API 42-255-36657) is a former disposal or injection well in Karnes County, last operated by Marathon Oil EF LLC; its UIC permit is no longer active.
The RRC has issued one drilling permit, issued October 28, 2019, permitted to 8,620 ft.
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 | none |
| Production reports | none |
| Latest permit | Marathon Oil EF LLCOct 28, 2019 |
- 8,620
- total depth, ft
- 1
- permits on file
- Oct 28, 2019
- last permit issued
- —
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
28.728034, -98.024601
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Karnes County.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 858301-99 | Drill | Marathon Oil EF LLC | Oct 22, 2019 | Oct 28, 2019 | — | 8,620 |
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 42-255-36657 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-36657 → 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 has no tops filed, so it cannot anchor a section; its neighbours can.
Wieding-Weston Unit42-255-35975
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,848 | -1,413 |
| Queen City | 4,148 | -3,713 |
| Reklaw | 4,606 | -4,171 |
| Carrizo | 5,262 | -4,827 |
| Wilcox | — | |
| Austin Chalk | — | |
| Eagle Ford | — | |
| Edwards | — |
10 TOPS · FIRST 8
Wieding-Weston Unit42-255-35976
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,848 | -1,413 |
| Queen City | 4,148 | -3,713 |
| Carrizo | 5,262 | -4,827 |
Wieding-Weston Unit42-255-35977
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,848 | -1,413 |
| Queen City | 4,148 | -3,713 |
| Carrizo | 5,262 | -4,827 |
Wieding-Weston Unit42-255-35978
0.6 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,848 | -1,413 |
| Queen City | 4,148 | -3,713 |
| Carrizo | 5,262 | -4,827 |
Mobil C-D-Wieding Weston Psa42-255-35979
0.6 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,848 | -1,413 |
| Queen City | 4,148 | -3,713 |
| Reklaw | 4,606 | -4,171 |
| Carrizo | 5,262 | -4,827 |
| Wilcox | 6,495 | -6,060 |
| Austin Chalk | 12,016 | -11,581 |
| Eagle Ford | 12,103 | -11,668 |
| Frio | — |
10 TOPS · FIRST 8
South Sugarloaf SWD42-255-34439
0.7 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,834 | -1,392 |
| Yegua | 1,834 | -1,392 |
| Queen City | 4,134 | -3,692 |
| Reklaw | 4,591 | -4,149 |
| Carrizo | 5,247 | -4,805 |
| Wilcox | 6,154 | -5,712 |
| Wilcox | 6,154 | -5,712 |
| Austin Chalk | 7,100 | -6,658 |
12 TOPS · FIRST 8
SCR G-Mobil C SA42-255-36603
1.3 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,684 | -1,279 |
| Queen City | 4,007 | -3,602 |
| Wilcox | 6,249 | -5,844 |
| Austin Chalk | 12,174 | -11,769 |
| Eagle Ford | 12,232 | -11,827 |
| Sligo | — | |
| Edwards | — | |
| Reklaw | — |
10 TOPS · FIRST 8
San Christoval Ranch Unit G AC42-255-36602
1.3 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,305 | -901 |
| Queen City | 3,165 | -2,761 |
| Reklaw | 3,475 | -3,071 |
| Carrizo | 4,190 | -3,786 |
| Wilcox | 5,377 | -4,973 |
| Austin Chalk | 12,115 | -11,711 |
| Sligo | — | |
| Frio | — |
10 TOPS · FIRST 8
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000126782 | W-14 Disposal | Canceled Sep 3, 2024 | 20,000 | 3,315 | 6,630–8,500 |
TexNet catalog via USGS
Seismicity near this well
- 1
- M2+ events within 10 km, last 2 years
- M2.1
- largest
A proximity count, not an attribution. How to read it →
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/25536657, documented in the API reference.