WELL · 42-317-39025 · DISTRICT 8
Koger '4' #4
Martin County · Horizontal
Koger '4' #4 (API 42-317-39025) is a permitted horizontal well in Martin County filed by Endeavor Energy Resources L.P.; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 2013 and 2017, permitted to 13,000 ft.
Completion filings report 10 formation tops, including Dean, Wolfcamp, Pennsylvanian, Mississippian.
Its lease has reported 126K barrels of oil and 136K mcf of gas since July 2011, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Endeavor Energy Resources L.P.Aug 18, 2017 |
- 13,000
- total depth, ft
- 3
- permits on file
- Aug 18, 2017
- last permit issued
- —
- completed
- 126K
- cumulative oil, bbl
- 136K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
32.509849, -101.840577
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Martin 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Koger "4" O-10-41399 | Spraberry (Trend Area) | Diamondback E&P LLC | 4 | 126K | 136K | Jul 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,872 · prior 12 5,761(-15%)
Gas, mcf lease total
Last 12 months 0 · prior 12 6,693(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.Jul 2011 → Dec 2024
- 2Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 823789-99 | Recompletion | Endeavor Energy Resources L.P. | Feb 27, 2017 | Aug 18, 2017 | — | 11,255 |
| 772803-98 | Drill | Endeavor Energy Resources L.P. | Apr 10, 2014 | Nov 7, 2013 | May 7, 2014 | 12,000 |
| 772803-99 | Drill | Endeavor Energy Resources L.P. | Oct 30, 2013 | Nov 7, 2013 | — | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-41399 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,725 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Dean | 8,600 | -5,875 |
| Wolfcamp | 8,875 | -6,150 |
| Pennsylvanian | 9,825 | -7,100 |
| Mississippian | 10,300 | -7,575 |
| Cisco | — | — |
| Grayburg | — | — |
| Queen | — | — |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | — | — |
| Santa Rosa | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,387 | 11,089 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 377 | 17.5 | 375 S |
| 8.625 | 4,714 | 11 | 650 S |
| 5.5 | 11,252 | 7.875 | 1,250 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 | Feb 13, 2015 | Dec 3, 2014 | 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 42-317-39025 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-39025 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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.
Texas Ranger Unit 17-1942-317-44321
1.9 KM · Element Petroleum OP III, LLC · Section with this well →
| Santa Rosa | 1,100 | 1,610 |
| Yates | 2,260 | 450 |
| Queen | 3,080 | -370 |
| Grayburg | 3,635 | -925 |
| San Andres | 3,865 | -1,155 |
| Clear Fork | 5,300 | -2,590 |
| Spraberry | 7,240 | -4,530 |
| Dean | — |
10 TOPS · FIRST 8
Texas Ranger Unit 17-1942-317-44740
1.9 KM · Element Petroleum OP III, LLC · Section with this well →
| Santa Rosa | 1,115 | 1,595 |
| Yates | 2,270 | 440 |
| Queen | 3,080 | -370 |
| Grayburg | 3,640 | -930 |
| San Andres | 3,870 | -1,160 |
| Clear Fork | 5,290 | -2,580 |
| Spraberry | 7,250 | -4,540 |
| Dean | 8,635 | -5,925 |
10 TOPS · FIRST 8
Thriller42-317-45586
2.1 KM · Legacy Reserves Operating LP · Section with this well →
| Santa Rosa | 1,045 | 1,707 |
| Yates | 2,320 | 432 |
| Queen | 3,065 | -313 |
| Grayburg | 3,700 | -948 |
| San Andres | 3,904 | -1,152 |
| Clear Fork | 5,270 | -2,518 |
| Spraberry | 7,095 | -4,343 |
| Dean | 8,609 | -5,857 |
10 TOPS · FIRST 8
Walker Unit 16-2042-317-43909
2.1 KM · Element Petroleum OP III, LLC · Section with this well →
| Santa Rosa | 1,150 | 1,557 |
| Yates | 2,254 | 453 |
| Queen | 3,055 | -348 |
| Grayburg | 3,625 | -918 |
| San Andres | 3,851 | -1,144 |
| Clear Fork | 5,325 | -2,618 |
| Spraberry | 7,212 | -4,505 |
| Wolfcamp | — |
10 TOPS · FIRST 8
Walker Unit 16-2042-317-43423
2.2 KM · Element Petroleum OP III, LLC · Section with this well →
| Santa Rosa | 1,149 | 1,558 |
| Yates | 2,252 | 455 |
| Queen | 3,053 | -346 |
| Grayburg | 3,623 | -916 |
| San Andres | 3,850 | -1,143 |
| Spraberry | 7,210 | -4,503 |
| Dean | 8,276 | -5,569 |
| Wolfcamp | 8,520 | -5,813 |
10 TOPS · FIRST 8
Walker Unit 16-2042-317-42871
2.2 KM · Element Petroleum OP III, LLC · Section with this well →
| Santa Rosa | 1,150 | 1,557 |
| Yates | 2,254 | 453 |
| Queen | 3,056 | -349 |
| Grayburg | 3,625 | -918 |
| San Andres | 3,852 | -1,145 |
| Clear Fork | 5,326 | -2,619 |
| Spraberry | 7,212 | -4,505 |
| Dean | 8,276 | -5,569 |
11 TOPS · FIRST 8
Fightin Chicken Unit 17-1942-317-42360
2.4 KM · Element Petroleum OP III, LLC · Section with this well →
| Grayburg | 3,533 | -825 |
| San Andres | 3,849 | -1,141 |
| Spraberry | 7,254 | -4,546 |
| Dean | 8,626 | -5,918 |
| Wolfcamp | 8,823 | -6,115 |
| Santa Rosa | — | |
| Queen | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Fightin Chicken Unit 17-1942-317-41437
2.4 KM · Element Petroleum OP III, LLC · Section with this well →
| Yates | 2,200 | 506 |
| Grayburg | 3,880 | -1,174 |
| Queen | 4,100 | -1,394 |
| San Andres | 4,118 | -1,412 |
| Spraberry | 7,488 | -4,782 |
| Cisco | 8,500 | -5,794 |
| Dean | 8,849 | -6,143 |
| Wolfcamp | 9,079 | -6,373 |
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/31739025, documented in the API reference.