WELL · 42-255-37247 · DISTRICT 2
Kempe-Laubach Unit #504H
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Kempe-Laubach Unit #504H (API 42-255-37247) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed May 18, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 26, 2021, permitted to 24,000 ft.
Completion filings report 10 formation tops, including Yegua, Queen City, Reklaw, Carrizo.
Its lease has reported 1.52M barrels of oil and 2.64M mcf of gas since July 2012, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
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 LLCAug 26, 2021 |
- 24,000
- total depth, ft
- 1
- permits on file
- Aug 26, 2021
- last permit issued
- May 18, 2022
- completed
- 1.52M
- cumulative oil, bbl
- 2.64M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 18, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.873537, -97.945255
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Karnes 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; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Kempe-Laubach Unit O-2-10176 | Eagleville (Eagle Ford-2) | Marathon Oil EF LLC | 8 | 1.52M | 2.64M | Jul 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 50,996 · prior 12 60,481(-16%)
Gas, mcf lease total
Last 12 months 94,399 · prior 12 173,730(-46%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCJul 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 871366-99 | Drill | Marathon Oil EF LLC | Jul 19, 2021 | Aug 26, 2021 | Oct 20, 2021 | 24,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-10176 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 400 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| YeguaYEGUA - DISPOSAL | 1,729 | -1,329 |
| Queen City | 3,893 | -3,493 |
| Reklaw | 4,350 | -3,950 |
| Carrizo | 4,840 | -4,440 |
| WilcoxWILCOX - DISPOSAL | 6,075 | -5,675 |
| Austin ChalkAUSTIN CHALK - H2S | 11,709 | -11,309 |
| Eagle FordEAGLE FORD - H2S | 11,932 | -11,532 |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,344 | 17,286 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,554 | 12.25 | 1,653 S |
| 6 | 17,286 | 8.75 | 2,614 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 | Aug 25, 2022 | Jul 13, 2022 | Yes |
| 00 | Aug 10, 2022 | Apr 4, 2022 | Yes |
| 00 | Jan 21, 2022 | Dec 10, 2021 | 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 42-255-37247 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-37247 → 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.
Kempe-Laubach Unit42-255-37246
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,729 | -1,329 |
| Queen City | 3,893 | -3,493 |
| Reklaw | 4,350 | -3,950 |
| Carrizo | 4,840 | -4,440 |
| Wilcox | 6,075 | -5,675 |
| Austin Chalk | 11,701 | -11,301 |
| Eagle Ford | 11,936 | -11,536 |
| Edwards | — |
10 TOPS · FIRST 8
Kempe-Laubach Unit42-255-37248
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,910 | -1,511 |
| Queen City | 3,849 | -3,450 |
| Reklaw | 4,354 | -3,955 |
| Wilcox | 6,150 | -5,751 |
| Austin Chalk | 11,689 | -11,290 |
| Eagle Ford | 11,923 | -11,524 |
| Carrizo | — | |
| Edwards | — |
10 TOPS · FIRST 8
Rippstein Mikkelson-Witte SA142-255-38055
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Queen City | 3,927 | -3,518 |
| Reklaw | 4,430 | -4,021 |
| Carrizo | 4,950 | -4,541 |
| Wilcox | 6,222 | -5,813 |
| Austin Chalk | 11,725 | -11,316 |
| Eagle Ford | 11,960 | -11,551 |
| Yegua | — | |
| Edwards | — |
10 TOPS · FIRST 8
Mikkelson-Witte Unit42-255-38056
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Queen City | 3,927 | -3,518 |
| Reklaw | 4,430 | -4,021 |
| Carrizo | 4,950 | -4,541 |
| Wilcox | 6,222 | -5,813 |
| Austin Chalk | 11,734 | -11,325 |
| Eagle Ford | 11,960 | -11,551 |
| Sligo | — | |
| Frio | — |
10 TOPS · FIRST 8
Y. Witte-K.laubach Psa42-255-36482
0.6 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,753 | -1,353 |
| Queen City | 3,877 | -3,477 |
| Reklaw | 4,374 | -3,974 |
| Carrizo | 5,012 | -4,612 |
| Wilcox | 6,327 | -5,927 |
| Austin Chalk | 11,615 | -11,215 |
| Eagle Ford | 11,837 | -11,437 |
| Sligo | — |
10 TOPS · FIRST 8
Yosko-Kinkler-Witte Psa42-255-36491
0.6 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,753 | -1,354 |
| Queen City | 3,877 | -3,478 |
| Reklaw | 4,374 | -3,975 |
| Carrizo | 5,012 | -4,613 |
| Wilcox | 6,327 | -5,928 |
| Austin Chalk | 11,570 | -11,171 |
| Eagle Ford | 11,778 | -11,379 |
| Frio | — |
10 TOPS · FIRST 8
Salge-Busselman Unit42-255-36480
0.6 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,753 | -1,354 |
| Queen City | 3,877 | -3,478 |
| Reklaw | 4,374 | -3,975 |
| Carrizo | 5,012 | -4,613 |
| Wilcox | 6,327 | -5,928 |
| Austin Chalk | 11,585 | -11,186 |
| Eagle Ford | 11,785 | -11,386 |
| Sligo | — |
10 TOPS · FIRST 8
Salge-Busselman Unit42-255-36481
0.7 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,753 | -1,355 |
| Queen City | 3,877 | -3,479 |
| Reklaw | 4,374 | -3,976 |
| Carrizo | 5,012 | -4,614 |
| Wilcox | 6,327 | -5,929 |
| Austin Chalk | 11,574 | -11,176 |
| Eagle Ford | 11,765 | -11,367 |
| Edwards | — |
10 TOPS · FIRST 8
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
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