TEXAS · WELLS · KARNES COUNTY · LISKA 01 LEASE · API 42-255-32068 · DISTRICT 02
Liska 01 #01H
Karnes County · Sugarkane (Eagle Ford) field · Producing · Horizontal
Liska 01 #01H (API 42-255-32068) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed November 9, 2011 and listed as producing on the RRC schedule, shut in February 1, 2020.
The RRC has issued one drilling permit, issued August 9, 2011, permitted to 13,204 ft.
It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Marathon Oil EF LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Carrizo, Eagle Ford, Midway.
Its lease has reported 270K barrels of oil and 729K mcf of gas since November 2011, with no volume in the three years through August 2026.
Operator of record
Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Oct 13, 2026
- Permits on file
- 3,191
- Phone
- (832) 486-2737
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil EF LLC |
| Production reports | Marathon Oil EF LLCthrough Feb 2020 |
| Latest permit | Pioneer Natural Res. USA, Inc.Aug 9, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,204
- total depth, ft
- 1
- permits on file
- Aug 9, 2011
- last permit issued
- Nov 9, 2011
- completed
- 270K
- cumulative oil, bbl
- 729K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · NOV 2011 THROUGH FEB 2020
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 9, 2011
- Shut in
- Feb 1, 2020
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 |
|---|---|---|---|---|---|---|
| Liska 01 G-2-266426 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | 1 | 270K | 729K | Nov 2011 – Feb 2020 |
No volumes reported on these leases in the last three years.
Wells named Liska 01
Marathon Oil EF LLC's other wells filed under this lease name in Karnes County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Nov 2011 → Sep 2019
- 2Ensign Operating LLCOct 2019 → Feb 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 721738-99 | Drill | Pioneer Natural Res. USA, Inc. | Aug 5, 2011 | Aug 9, 2011 | Aug 21, 2011 | 21,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 9, 2011 | Liska 01 G-2-266426 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | Producing · shut in Feb 1, 2020 | 13,204 |
Formation tops
As filed on W-2/G-1. Subsea from 305 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Carrizo | — | — |
| Eagle Ford | — | — |
| Midway | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,420 | 17,903 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 540 | 17.5 | 1,110 S |
| 9.625 | 8,275 | 12.25 | 390 S |
| 5.5 | 15,646 | 8.5 | 1,645 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 7, 2013 | Apr 17, 2012 | 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 42-255-32068 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-32068 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for 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/25532068, documented in the API reference.