WELL · 42-123-35615 · DISTRICT 2
J-Hermann E - Big Oak a SA D #4H
DE Witt County · Eagleville (Eagle Ford-2) field · Shut IN · Horizontal
J-Hermann E - Big Oak A SA D #4H (API 42-123-35615) is a horizontal well in De Witt County operated by Devon Energy Production CO L.P., completed November 8, 2025 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued June 30, 2025, permitted to 14,000 ft.
Completion filings report 8 formation tops, including Catahoula, Frio, Vicksburg, Yegua.
Its lease has reported 62.1K barrels of oil and 184K mcf of gas since November 2025, last reporting in July 2026.
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.Jun 30, 2025 |
- 14,000
- total depth, ft
- 1
- permits on file
- Jun 30, 2025
- last permit issued
- Nov 8, 2025
- completed
- 62.1K
- cumulative oil, bbl
- 184K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 8, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
29.274945, -97.320670
Permit surface location from the RRC GIS record, in DE Witt 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| J-Hermann E - Big Oak a SA D O-2-13185 | Eagleville (Eagle Ford-2) | Devon Energy Production Co, L.P. | 1 | 62.1K | 184K | Nov 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 62,081 · prior 12 0
Gas, mcf lease total
Last 12 months 184,144 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Devon Energy Production Co, L.P.Mar 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 908901-99 | Drill | Devon Energy Production Co, L.P. | Jun 26, 2025 | Jun 30, 2025 | Sep 1, 2025 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-13185 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 225 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Catahoula | 926 | -701 |
| Frio | 1,726 | -1,501 |
| Vicksburg | 2,320 | -2,095 |
| Yegua | 2,911 | -2,686 |
| Wilcox | 5,254 | -5,029 |
| Austin Chalk | 12,251 | -12,026 |
| Eagle Ford | 12,760 | -12,535 |
| EdwardsEDWARDS - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,225 | 24,297 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,444 | 12.25 | 2,645 S |
| 6 | 13,389 | 8.75 | 3,255 S |
| 5.5 | 24,377 | 8.75 | 3,255 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 | Jul 29, 2026 | Jul 1, 2026 | — |
| 00 | Feb 11, 2026 | Feb 5, 2026 | 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 42-123-35615 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-35615 → 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.
J-Hermann E - Big Oak a SA C42-123-35614
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Catahoula | 924 | -699 |
| Frio | 1,722 | -1,497 |
| Vicksburg | 2,316 | -2,091 |
| Yegua | 2,909 | -2,684 |
| Wilcox | 5,243 | -5,018 |
| Austin Chalk | 12,242 | -12,017 |
| Eagle Ford | 12,744 | -12,519 |
| Edwards | — |
J-Hermann E - Big Oak a SA B42-123-35613
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Catahoula | 908 | -682 |
| Frio | 1,707 | -1,481 |
| Vicksburg | 2,302 | -2,076 |
| Yegua | 2,890 | -2,664 |
| Wilcox | 5,235 | -5,009 |
| Austin Chalk | 12,224 | -11,998 |
| Eagle Ford | 12,724 | -12,498 |
| Edwards | — |
J-Hermann E - Big Oak a SA A42-123-35612
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Catahoula | 869 | -643 |
| Frio | 1,669 | -1,443 |
| Vicksburg | 2,264 | -2,038 |
| Yegua | 2,852 | -2,626 |
| Wilcox | 5,228 | -5,002 |
| Austin Chalk | 12,211 | -11,985 |
| Eagle Ford | 12,719 | -12,493 |
| Edwards | — |
J-Hermann E42-123-35611
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Catahoula | 841 | -614 |
| Frio | 1,645 | -1,418 |
| Vicksburg | 2,263 | -2,036 |
| Yegua | 2,853 | -2,626 |
| Wilcox | 5,227 | -5,000 |
| Austin Chalk | 12,205 | -11,978 |
| Eagle Ford | 12,711 | -12,484 |
| Edwards | — |
J-Hermann E42-123-35610
0.0 KM · Devon Energy Production Co, L.P. · Section with this well →
| Catahoula | 841 | -613 |
| Frio | 1,645 | -1,417 |
| Vicksburg | 2,236 | -2,008 |
| Yegua | 2,827 | -2,599 |
| Wilcox | 5,223 | -4,995 |
| Austin Chalk | 12,188 | -11,960 |
| Eagle Ford | 12,687 | -12,459 |
| Edwards | — |
J-Hermann F42-123-34429
0.5 KM · BHP Billiton Pet(txla OP) Co · Section with this well →
| Vicksburg | 1,230 | -1,030 |
| Yegua | 2,430 | -2,230 |
| Wilcox | 4,980 | -4,780 |
| Pecan Gap | 11,610 | -11,410 |
| Austin Chalk | 11,875 | -11,675 |
| Eagle Ford | 12,418 | -12,218 |
| Frio | — | |
| Catahoula | — |
9 TOPS · FIRST 8
J-Hermann E42-123-32539
1.2 KM · Petrohawk Operating Company · Section with this well →
| Pecan Gap | 11,927 | -11,615 |
| Austin Chalk | 12,173 | -11,861 |
| Eagle Ford | 12,728 | -12,416 |
Big Oak A42-123-35616
1.2 KM · Devon Energy Production Co, L.P. · Section with this well →
| Catahoula | 932 | -611 |
| Frio | 1,729 | -1,408 |
| Vicksburg | 2,307 | -1,986 |
| Yegua | 2,892 | -2,571 |
| Wilcox | 5,365 | -5,044 |
| Austin Chalk | 12,193 | -11,872 |
| Eagle Ford | 12,722 | -12,401 |
| Edwards | — |
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/12335615, documented in the API reference.