TEXAS · WELLS · KARNES COUNTY · KOSUB UNIT LEASE · API 42-255-38024 · DISTRICT 02
Kosub Unit #12H
Karnes County · Sugarkane (Eagle Ford) field · Not Eligible for Allowable · Horizontal
Kosub Unit #12H (API 42-255-38024) is a horizontal well in Karnes County operated by Devon Energy Production CO L.P., completed February 2, 2025 and listed as not eligible for allowable on the RRC schedule.
The RRC has issued one drilling permit, issued March 15, 2024, permitted to 12,840 ft.
Completion filings report 11 formation tops, including Frio, Yegua, Queen City, Reklaw.
No lease production has been reported under this well’s leases.
Operator of record
Devon Energy Production Co L.P.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 18, 2025
- Permits on file
- 9,266
- Phone
- (405) 235-3611
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Devon Energy Production Co L.P. |
| Production reports | none |
| Latest permit | Devon Energy Production Co, L.P.Mar 15, 2024 |
- 12,840
- total depth, ft
- 1
- permits on file
- Mar 15, 2024
- last permit issued
- Feb 2, 2025
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2024 THROUGH —
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 2, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
28.843760, -97.895333 NAD27, as filed
28.844016, -97.895613 WGS84
Permit surface location from the RRC GIS record, referenced to NAD27 as the RRC files it; the WGS84 pair is the same point through NOAA's NADCON grid, and the map link uses it, in Karnes County.
Wells nearby
Every well with a location on file around this one, in any state, nearest first.
Loading the wells nearby…
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 |
|---|---|---|---|---|---|---|
| Kosub Unit G-2-298464 | Sugarkane (Eagle Ford) | Devon Energy Production Co, L.P. | 1 | 0 | 0 | Sep 2024 – — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 898181-99 | Drill | Devon Energy Production Co, L.P. | Mar 14, 2024 | Mar 15, 2024 | Jun 19, 2024 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 2, 2025 | Kosub Unit G-2-298464 | Sugarkane (Eagle Ford) | Devon Energy Production Co L.P. | Not Eligible for Allowable | 12,840 |
Formation tops
As filed on W-2/G-1. Subsea from 385 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 2,298 | -1,913 |
| YeguaYEGUA - DISPOSAL | 3,289 | -2,904 |
| Queen City | 4,371 | -3,986 |
| Reklaw | 4,793 | -4,408 |
| Carrizo | 5,345 | -4,960 |
| WilcoxWILCOX - DISPOSAL | 5,583 | -5,198 |
| Midway | 8,656 | -8,271 |
| Austin ChalkAUSTIN CHALK - H2S | 12,494 | -12,109 |
| Eagle FordEAGLE FORD - H2S | 12,632 | -12,247 |
| EdwardsEDWARDS - H2S | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,210 | 16,991 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,226 | 12.25 | 1,410 S |
| 5.5 | 17,074 | 8.75 | 2,715 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 | Mar 3, 2025 | Feb 5, 2025 | — |
| 00 | Jan 17, 2025 | Jan 7, 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 42-255-38024 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-38024 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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 neighbors, subsea-aligned so they line up regardless of surface terrain.
Kosub Unit42-255-38023
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 2,299 | -1,914 |
| Yegua | 3,292 | -2,907 |
| Queen City | 4,374 | -3,989 |
| Reklaw | 4,802 | -4,417 |
| Carrizo | 5,359 | -4,974 |
| Wilcox | 5,578 | -5,193 |
| Midway | 8,656 | -8,271 |
| Austin Chalk | 12,511 | -12,126 |
11 TOPS · FIRST 8
Kosub Unit42-255-38026
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 2,259 | -1,873 |
| Yegua | 3,257 | -2,871 |
| Queen City | 4,320 | -3,934 |
| Reklaw | 4,755 | -4,369 |
| Carrizo | 5,329 | -4,943 |
| Wilcox | 5,573 | -5,187 |
| Austin Chalk | 12,492 | -12,106 |
| Eagle Ford | 12,636 | -12,250 |
10 TOPS · FIRST 8
Kosub Unit42-255-38025
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 2,273 | -1,888 |
| Yegua | 3,272 | -2,887 |
| Queen City | 4,337 | -3,952 |
| Reklaw | 4,781 | -4,396 |
| Carrizo | 5,339 | -4,954 |
| Wilcox | 5,577 | -5,192 |
| Austin Chalk | 12,480 | -12,095 |
| Eagle Ford | 12,634 | -12,249 |
10 TOPS · FIRST 8
Sienkiewicz Unit42-255-34739
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Frio | 1,500 | -1,128 |
| Yegua | 2,213 | -1,841 |
| Queen City | 4,477 | -4,105 |
| Reklaw | 4,833 | -4,461 |
| Carrizo | 5,407 | -5,035 |
| Wilcox | 6,772 | -6,400 |
| Austin Chalk | 12,397 | -12,025 |
| Eagle Ford | 12,565 | -12,193 |
10 TOPS · FIRST 8
Sienkiewicz Unit AC42-255-34738
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 2,213 | -1,843 |
| Queen City | 4,477 | -4,107 |
| Reklaw | 4,833 | -4,463 |
| Carrizo | 5,407 | -5,037 |
| Wilcox | 6,772 | -6,402 |
| Austin Chalk | 12,400 | -12,030 |
| Frio | — | |
| Sligo | — |
10 TOPS · FIRST 8
Sienkiewicz Unit AC42-255-34794
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 2,213 | -1,846 |
| Queen City | 4,477 | -4,110 |
| Reklaw | 4,833 | -4,466 |
| Carrizo | 5,407 | -5,040 |
| Wilcox | 6,772 | -6,405 |
| Austin Chalk | 12,399 | -12,032 |
| Edwards | — | |
| Sligo | — |
10 TOPS · FIRST 8
Sienkiewicz Unit42-255-34795
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Yegua | 2,213 | -1,847 |
| Queen City | 4,477 | -4,111 |
| Reklaw | 4,833 | -4,467 |
| Carrizo | 5,407 | -5,041 |
| Wilcox | 6,772 | -6,406 |
| Austin Chalk | 12,390 | -12,024 |
| Eagle Ford | 12,532 | -12,166 |
| Edwards | — |
10 TOPS · FIRST 8
Crew Unit A42-255-32148
0.7 KM · Burlington Resources O & G Co LP · Section with this well →
| Pecan Gap | 12,208 | -11,854 |
| Austin Chalk | 12,374 | -12,020 |
| Eagle Ford | 12,509 | -12,155 |
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/25538024, documented in the API reference.