WELL · 42-255-37065 · DISTRICT 2
Gideon Cazadores Henke Unit #5H
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Gideon Cazadores Henke Unit #5H (API 42-255-37065) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed July 23, 2021 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 11, 2020, permitted to 21,000 ft.
Completion filings report 10 formation tops, including Yegua, Queen City, Reklaw, Carrizo.
Its lease has reported 2.21M barrels of oil and 2.59M mcf of gas since February 2013, 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 LLCDec 11, 2020 |
- 21,000
- total depth, ft
- 2
- permits on file
- Dec 11, 2020
- last permit issued
- Jul 23, 2021
- completed
- 2.21M
- cumulative oil, bbl
- 2.59M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 23, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.858676, -98.029712
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 |
|---|---|---|---|---|---|---|
| Gideon Cazadores Henke Unit O-2-10412 | Eagleville (Eagle Ford-2) | Marathon Oil EF LLC | 8 | 2.21M | 2.59M | Feb 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 51,359 · prior 12 73,589(-30%)
Gas, mcf lease total
Last 12 months 59,380 · prior 12 98,880(-40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCFeb 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 866362-98 | Drill | Marathon Oil EF LLC | Jul 27, 2021 | Dec 11, 2020 | Jul 21, 2021 | 21,000 |
| 866362-99 | Drill | Marathon Oil EF LLC | Dec 4, 2020 | Dec 11, 2020 | Feb 13, 2021 | 21,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-10412 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 462 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| YeguaYEGUA - DISPOSAL | 1,422 | -960 |
| Queen City | 3,477 | -3,015 |
| Reklaw | 4,021 | -3,559 |
| Carrizo | 4,478 | -4,016 |
| WilcoxWILCOX - DISPOSAL | 5,800 | -5,338 |
| Austin ChalkAUSTIN CHALK - H2S | 10,973 | -10,511 |
| Eagle FordEAGLE FORD - H2S | 11,188 | -10,726 |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,544 | 19,437 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,606 | 12.25 | 1,568 S |
| 5.5 | 19,437 | 8.75 | 3,586 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 13, 2021 | Aug 5, 2021 | Yes |
| 00 | Jul 29, 2021 | Jun 5, 2021 | — |
| 00 | Apr 27, 2021 | Mar 9, 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 42-255-37065 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-37065 → 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.
G. Cazadores Henke-O. Witte SA642-255-37067
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,422 | -960 |
| Queen City | 3,477 | -3,015 |
| Reklaw | 4,021 | -3,559 |
| Carrizo | 4,478 | -4,016 |
| Wilcox | 5,800 | -5,338 |
| Austin Chalk | 10,981 | -10,519 |
| Eagle Ford | 11,193 | -10,731 |
| Sligo | — |
10 TOPS · FIRST 8
G. Cazadores Henke-O. Witte SA742-255-37068
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,422 | -960 |
| Queen City | 3,477 | -3,015 |
| Reklaw | 4,021 | -3,559 |
| Carrizo | 4,478 | -4,016 |
| Wilcox | 5,800 | -5,338 |
| Austin Chalk | 10,989 | -10,527 |
| Eagle Ford | 11,201 | -10,739 |
| Frio | — |
10 TOPS · FIRST 8
Gideon Cazadores Henke-Oxford SA42-255-37066
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,422 | -960 |
| Queen City | 3,477 | -3,015 |
| Reklaw | 4,021 | -3,559 |
| Carrizo | 4,478 | -4,016 |
| Wilcox | 5,800 | -5,338 |
| Austin Chalk | 10,950 | -10,488 |
| Eagle Ford | 11,154 | -10,692 |
| Edwards | — |
10 TOPS · FIRST 8
Smith-Mellick-Scheele SA642-255-37127
0.1 KM · Marathon Oil EF LLC · Section with this well →
| Cook Mountain | 2,375 | -1,916 |
| Sparta | 2,953 | -2,494 |
| Queen City | 3,211 | -2,752 |
| Reklaw | 3,811 | -3,352 |
| Carrizo | 4,383 | -3,924 |
| Wilcox | 4,438 | -3,979 |
| Anacacho | 10,807 | -10,348 |
| Austin Chalk | 10,941 | -10,482 |
12 TOPS · FIRST 8
Smith-Mellick-Scheele SA742-255-37128
0.1 KM · Marathon Oil EF LLC · Section with this well →
| Cook Mountain | 2,375 | -1,917 |
| Sparta | 2,953 | -2,495 |
| Queen City | 3,211 | -2,753 |
| Reklaw | 3,811 | -3,353 |
| Carrizo | 4,383 | -3,925 |
| Wilcox | 4,438 | -3,980 |
| Anacacho | 10,813 | -10,355 |
| Austin Chalk | 10,939 | -10,481 |
13 TOPS · FIRST 8
Smith-Mellick Unit42-255-37129
0.1 KM · Marathon Oil EF LLC · Section with this well →
| Cook Mountain | 2,375 | -1,917 |
| Sparta | 2,953 | -2,495 |
| Queen City | 3,211 | -2,753 |
| Reklaw | 3,811 | -3,353 |
| Carrizo | 4,383 | -3,925 |
| Wilcox | 4,438 | -3,980 |
| Anacacho | 10,817 | -10,359 |
| Austin Chalk | 10,942 | -10,484 |
13 TOPS · FIRST 8
Smith-Mellick-Oxford Witte SA42-255-37130
0.2 KM · Marathon Oil EF LLC · Section with this well →
| Queen City | 3,211 | -2,753 |
| Reklaw | 3,811 | -3,353 |
| Carrizo | 4,383 | -3,925 |
| Wilcox | 4,438 | -3,980 |
| Austin Chalk | 10,947 | -10,489 |
| Eagle Ford | 11,178 | -10,720 |
| Yegua | — | |
| Edwards | — |
10 TOPS · FIRST 8
Smith-Mellick-Scheele SA542-255-37126
0.2 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 1,293 | -827 |
| Queen City | 3,393 | -2,927 |
| Reklaw | 3,977 | -3,511 |
| Carrizo | 4,330 | -3,864 |
| Wilcox | 5,933 | -5,467 |
| Austin Chalk | 10,953 | -10,487 |
| Eagle Ford | 11,169 | -10,703 |
| Sligo | — |
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
Developers: this page as JSON is GET /v1/data/wells/25537065, documented in the API reference.