WELL · 42-255-37878 · DISTRICT 2
Duncan Unit #8H
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Duncan Unit #8H (API 42-255-37878) is a horizontal well in Karnes County operated by Devon Energy Production CO L.P., completed November 11, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 7, 2023, permitted to 14,000 ft.
Completion filings report 11 formation tops, including Frio, Yegua, Queen City, Reklaw.
Its lease has reported 2.34M barrels of oil and 5.46M mcf of gas since May 2012, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
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 | Devon Energy Production Co, L.P.through Apr 2026 |
| Latest permit | Devon Energy Production Co, L.P.Nov 7, 2023 |
- 14,000
- total depth, ft
- 1
- permits on file
- Nov 7, 2023
- last permit issued
- Nov 11, 2025
- completed
- 2.34M
- cumulative oil, bbl
- 5.46M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 11, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
28.916166, -97.856775
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 |
|---|---|---|---|---|---|---|
| Duncan Unit O-2-9989 | Eagleville (Eagle Ford-2) | Devon Energy Production Co, L.P. | 8 | 2.34M | 5.46M | May 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 84,366 · prior 12 258,605(-67%)
Gas, mcf lease total
Last 12 months 231,058 · prior 12 656,907(-65%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Plains Exploration & Prod. Co.Jul 2012 → Jun 2013
- 2Freeport-McMoran Oil & Gas LLCJul 2013 → Jun 2014
- 3Encana Oil & Gas(usa) Inc.Jul 2014 → Jan 2020
- 4Ovintiv USA Inc.Feb 2020 → Apr 2021
- 5Validus NRG Aquilas Assetco LLCMay 2021 → Aug 2022
- 6Devon Energy Production Co, L.P.Sep 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 894813-99 | Drill | Devon Energy Production Co, L.P. | Oct 26, 2023 | Nov 7, 2023 | Feb 3, 2024 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-9989 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 299 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 1,815 | -1,516 |
| YeguaYEGUA - DISPOSAL | 2,804 | -2,505 |
| Queen City | 3,893 | -3,594 |
| Reklaw | 4,345 | -4,046 |
| Carrizo | 4,886 | -4,587 |
| WilcoxWILCOX - DISPOSAL | 5,157 | -4,858 |
| Midway | 8,291 | -7,992 |
| Austin ChalkAUSTIN CHALK - H2S | 11,993 | -11,694 |
| Eagle FordEAGLE FORD - H2S | 12,199 | -11,900 |
| EdwardsEDWARDS - H2S | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,475 | 18,652 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,644 | 12.25 | 1,555 S |
| 5.5 | 18,732 | 8.75 | 2,515 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 | Dec 10, 2025 | Dec 5, 2025 | — |
| 00 | Oct 4, 2024 | Sep 24, 2024 | — |
| 00 | Sep 11, 2024 | Jul 10, 2024 | 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 42-255-37878 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-37878 → 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 neighbors, subsea-aligned so they line up regardless of surface terrain.
Duncan Unit42-255-37877
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,815 | -1,516 |
| Yegua | 2,804 | -2,505 |
| Queen City | 3,894 | -3,595 |
| Reklaw | 4,345 | -4,046 |
| Carrizo | 4,891 | -4,592 |
| Wilcox | 5,150 | -4,851 |
| Midway | 8,291 | -7,992 |
| Austin Chalk | 11,992 | -11,693 |
10 TOPS · FIRST 8
Duncan Unit42-255-37876
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,813 | -1,515 |
| Yegua | 2,803 | -2,505 |
| Queen City | 3,896 | -3,598 |
| Reklaw | 4,347 | -4,049 |
| Carrizo | 4,897 | -4,599 |
| Wilcox | 5,152 | -4,854 |
| Midway | 8,292 | -7,994 |
| Austin Chalk | 11,992 | -11,694 |
11 TOPS · FIRST 8
Jendrusch - Duncan SA 142-255-37880
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,805 | -1,507 |
| Yegua | 2,795 | -2,497 |
| Queen City | 3,890 | -3,592 |
| Reklaw | 4,338 | -4,040 |
| Carrizo | 4,884 | -4,586 |
| Wilcox | 5,146 | -4,848 |
| Midway | 8,283 | -7,985 |
| Austin Chalk | 11,990 | -11,692 |
11 TOPS · FIRST 8
Jendrusch Unit42-255-37879
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,807 | -1,509 |
| Yegua | 2,797 | -2,499 |
| Queen City | 3,891 | -3,593 |
| Reklaw | 4,339 | -4,041 |
| Carrizo | 4,886 | -4,588 |
| Wilcox | 5,147 | -4,849 |
| Austin Chalk | 11,986 | -11,688 |
| Eagle Ford | 12,188 | -11,890 |
10 TOPS · FIRST 8
Krudwig Unit42-255-37639
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,827 | -1,530 |
| Yegua | 2,816 | -2,519 |
| Queen City | 3,896 | -3,599 |
| Reklaw | 4,345 | -4,048 |
| Carrizo | 4,883 | -4,586 |
| Wilcox | 5,158 | -4,861 |
| Austin Chalk | 11,998 | -11,701 |
| Eagle Ford | 12,207 | -11,910 |
10 TOPS · FIRST 8
Krudwig Unit42-255-37638
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,823 | -1,526 |
| Yegua | 2,812 | -2,515 |
| Queen City | 3,894 | -3,597 |
| Reklaw | 4,346 | -4,049 |
| Carrizo | 4,880 | -4,583 |
| Wilcox | 5,158 | -4,861 |
| Austin Chalk | 11,995 | -11,698 |
| Eagle Ford | 12,198 | -11,901 |
10 TOPS · FIRST 8
Krudwig Unit42-255-37637
0.1 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,817 | -1,520 |
| Yegua | 2,806 | -2,509 |
| Queen City | 3,890 | -3,593 |
| Reklaw | 4,346 | -4,049 |
| Carrizo | 4,884 | -4,587 |
| Wilcox | 5,156 | -4,859 |
| Austin Chalk | 11,990 | -11,693 |
| Eagle Ford | 12,193 | -11,896 |
10 TOPS · FIRST 8
Krudwig Unit42-255-37633
0.1 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,811 | -1,514 |
| Yegua | 2,804 | -2,507 |
| Queen City | 3,889 | -3,592 |
| Reklaw | 4,341 | -4,044 |
| Carrizo | 4,878 | -4,581 |
| Wilcox | 5,148 | -4,851 |
| Austin Chalk | 11,995 | -11,698 |
| Eagle Ford | 12,199 | -11,902 |
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/25537878, documented in the API reference.