TEXAS · WELLS · KARNES COUNTY · API 42-255-31744 · DISTRICT 02
Franke Unit #1H
Karnes County · Sugarkane (Austin Chalk) field · SWR-10-Well · Horizontal
Franke Unit #1H (API 42-255-31744) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed December 13, 2010 and listed as swr-10-well on the RRC schedule, shut in February 1, 2015.
The RRC has issued 2 drilling permits between 2010 and 2012, permitted to 12,717 ft.
Completion filings report 4 formation tops, including Anacacho, Austin Chalk, Eagle Ford, Upper Ef.
Its 2 leases have reported 107K barrels of oil and 527K mcf of gas since November 2010, with no volume in the three years through April 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 26, 2025
- 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 Jan 2015 |
| Latest permit | Marathon Oil EF LLCApr 24, 2012 |
- 12,717
- total depth, ft
- 2
- permits on file
- Apr 24, 2012
- last permit issued
- Dec 13, 2010
- completed
- 107K
- cumulative oil, bbl
- 527K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2010 THROUGH Jan 2015
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 13, 2010
- Shut in
- Feb 1, 2015
- 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.
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 |
|---|---|---|---|---|---|---|
| Franke Unit G-2-259887 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | 1 | 101K | 502K | Nov 2010 – Jan 2015 |
| Franke Unit G-2-264903 | Sugarkane (Austin Chalk) | Marathon Oil EF LLC | 1 | 5.76K | 25.4K | Dec 2010 – May 2012 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hilcorp Energy CompanyDec 2010 → Oct 2011
- 2Marathon Oil EF LLCDec 2010 → Jan 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 737924-99 | Recompletion | Marathon Oil EF LLC | Apr 10, 2012 | Apr 24, 2012 | Nov 30, 2010 | 15,424 |
| 702107-99 | Drill | Hilcorp Energy Company | Sep 13, 2010 | Sep 15, 2010 | Oct 19, 2010 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 13, 2010 | Franke Unit G-2-264903 | Sugarkane (Austin Chalk) | Marathon Oil EF LLC | SWR-10-Well · shut in Jun 1, 2012 | 12,717 |
| Dec 13, 2010 | Franke Unit G-2-259887 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | Temp Abandoned · shut in Feb 1, 2015 | 12,717 |
Formation tops
As filed on W-2/G-1. Subsea from 397 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 12,140 | -11,743 |
| Anacacho | 12,145 | -11,748 |
| Austin Chalk | 12,241 | -11,844 |
| Austin Chalk | 12,280 | -11,883 |
| Austin Chalk | 12,281 | -11,884 |
| Eagle FordEAGLEFORD | 12,355 | -11,958 |
| Eagle Ford | 12,429 | -12,032 |
| Upper EF | 12,430 | -12,033 |
| Eagle FordEAGLEFORD | 12,480 | -12,083 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,950 | 14,982 | Perforated |
| 12,280 | 12,430 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 5,725 | 13.5 | 2,445 S |
| 5.5 | 15,084 | 8.5 | 2,270 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 | Oct 9, 2012 | Jul 10, 2012 | — |
| 00 | Oct 8, 2012 | Jul 20, 2011 | Yes |
| 00 | Jun 2, 2011 | Dec 14, 2010 | 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 42-255-31744 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31744 → 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/25531744, documented in the API reference.