TEXAS · WELLS · KARNES COUNTY · PFEIFER-SCHEELE HUTH UNIT A SA4 LEASE · API 42-255-38087 · DISTRICT 02
Pfeifer-Scheele Huth Unit a SA4 #4H
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Pfeifer-Scheele Huth Unit A Sa4 #4H (API 42-255-38087) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed January 31, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 31, 2024, permitted to 11,706 ft.
Completion filings report 10 formation tops, including Reklaw, Carrizo, Wilcox, Austin Chalk.
Its lease has reported 104K barrels of oil and 194K mcf of gas since January 2025, last reporting volume in April 2026.
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 Apr 2026 |
| Latest permit | Marathon Oil EF LLCMay 31, 2024 |
- 11,706
- total depth, ft
- 1
- permits on file
- May 31, 2024
- last permit issued
- Jan 31, 2025
- completed
- 104K
- cumulative oil, bbl
- 194K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2025 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 31, 2025
- Shut in
- —
- 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 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 |
|---|---|---|---|---|---|---|
| Pfeifer-Scheele Huth Unit a SA4 O-2-12949 | Eagleville (Eagle Ford-2) | Marathon Oil EF LLC | 1 | 104K | 194K | Jan 2025 – Apr 2026 |
Oil, barrels lease total
Last 12 months 46,679 · prior 12 57,660(-19%)
Gas, mcf lease total
Last 12 months 118,855 · prior 12 75,062(+58%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 900068-99 | Drill | Marathon Oil EF LLC | May 29, 2024 | May 31, 2024 | Aug 28, 2024 | 22,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 31, 2025 | Pfeifer-Scheele Huth Unit a SA4 O-2-12949 | Eagleville (Eagle Ford-2) | Marathon Oil EF LLC | Producing | 11,706 |
Formation tops
As filed on W-2/G-1. Subsea from 474 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Reklaw | 3,909 | -3,435 |
| Carrizo | 4,775 | -4,301 |
| WilcoxWILCOX - DISPOSAL | 4,848 | -4,374 |
| Austin ChalkAUSTIN CHALK - H2S | 11,428 | -10,954 |
| Eagle FordEAGLE FORD - H2S | 11,614 | -11,140 |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| Queen City | — | — |
| SligoSLIGO - H2S | — | — |
| YeguaYEGUA - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,106 | 17,696 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,930 | 12.25 | 1,627 S |
| 5.5 | 17,696 | 8.75 | 3,080 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 | Apr 25, 2025 | Mar 20, 2025 | 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 42-255-38087 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-38087 → 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/25538087, documented in the API reference.