WELL · 42-203-35649 · DISTRICT 6
Whelan OU 1 #1HU
Harrison County · Whelan (Pettit) field · Producing · Horizontal
Whelan OU 1 #1HU (API 42-203-35649) is a horizontal well in Harrison County operated by Tanos Exploration IV LLC, completed June 9, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 24, 2024, permitted to 7,250 ft.
Completion filings report 10 formation tops, including Nacatoch, Blossom, Goodland, Paluxy.
Its lease has reported 58.9K barrels of oil and 128K mcf of gas since June 2025, last reporting in July 2026.
Operator of record
Tyler, TX · P-5 Y, filed Sep 4, 2025 · 19 permits on file · (888) 860-2149
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Tanos Exploration IV LLC |
| Production reports | Tanos Exploration IV, LLCthrough Mar 2026 |
| Latest permit | Tanos Exploration IV, LLCJan 24, 2024 |
- 7,250
- total depth, ft
- 2
- permits on file
- Jan 24, 2024
- last permit issued
- Jun 9, 2025
- completed
- 58.9K
- cumulative oil, bbl
- 128K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 9, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.700604, -94.582596
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Harrison 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 |
|---|---|---|---|---|---|---|
| Whelan OU 1 O-6-16130 | Whelan (Pettit) | Tanos Exploration IV, LLC | 1 | 58.9K | 128K | Jun 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 58,856 · prior 12 0
Gas, mcf lease total
Last 12 months 128,113 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Tanos Exploration IV, LLCJun 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 896740-98 | Drill | Tanos Exploration IV, LLC | Jun 30, 2025 | Jan 24, 2024 | Mar 17, 2025 | 7,238 |
| 896740-99 | Drill | Tanos Exploration IV, LLC | Jan 22, 2024 | Jan 24, 2024 | Mar 17, 2025 | 7,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-6-16130 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 316 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| NacatochNACATOCH - OVER PRESSURED, WATER | 1,725 | -1,409 |
| Blossom | 3,030 | -2,714 |
| Goodland | 4,415 | -4,099 |
| Paluxy | 4,520 | -4,204 |
| Glen Rose | 4,870 | -4,554 |
| Rodessa | 6,814 | -6,498 |
| PettitPETTET | 7,200 | -6,884 |
| Cotton Valley | — | — |
| Travis Peak | — | — |
| Woodbine | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,582 | 15,387 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,140 | 13.5 | 450 S |
| 5.5 | 6,454 | 6.75 | 100 S |
| 7.625 | 7,383 | 9.875 | 760 S |
| 4.5 | 15,424 | 6.75 | 1,680 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, 2025 | Jun 26, 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 42-203-35649 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-35649 → 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.
Whelan OU442-203-35710
0.0 KM · Tanos Exploration IV, LLC · Section with this well →
| Nacatoch | 1,725 | -1,409 |
| Blossom | 3,030 | -2,714 |
| Goodland | 4,415 | -4,099 |
| Paluxy | 4,520 | -4,204 |
| Glen Rose | 4,870 | -4,554 |
| Rodessa | 6,814 | -6,498 |
| Pettit | 7,200 | -6,884 |
| Travis Peak | — |
10 TOPS · FIRST 8
Allen, W. H. Estate42-203-31344
1.8 KM · XTO Energy Inc. · Section with this well →
| BMA | 6,472 | -6,171 |
| Pettit | 7,210 | -6,909 |
| Travis Peak | 7,390 | -7,089 |
Whelan OU2 (AW)42-203-35662
1.9 KM · Tanos Exploration IV, LLC · Section with this well →
| Woodbine | 123 | 199 |
| Nacatoch | 1,685 | -1,363 |
| Blossom | 3,005 | -2,683 |
| Goodland | 4,410 | -4,088 |
| Paluxy | 4,520 | -4,198 |
| Glen Rose | 4,865 | -4,543 |
| Rodessa | 6,814 | -6,492 |
| Pettit | 7,160 | -6,838 |
10 TOPS · FIRST 8
Whelan OU 3 (AW)42-203-35691
2.5 KM · Tanos Exploration IV, LLC · Section with this well →
| Blossom | 3,020 | -2,718 |
| Goodland | 4,355 | -4,053 |
| Paluxy | 4,505 | -4,203 |
| Glen Rose | 4,845 | -4,543 |
| Rodessa | 6,620 | -6,318 |
| Pettit | 7,157 | -6,855 |
| Nacatoch | — | |
| Woodbine | — |
10 TOPS · FIRST 8
Peteet42-203-35517
3.9 KM · Rose City Resources, LLC · Section with this well →
| Nacatoch | 1,750 | -1,384 |
| Pecan Gap | 2,334 | -1,968 |
| Blossom | 3,054 | -2,688 |
| Goodland | 4,526 | -4,160 |
| Paluxy | 4,607 | -4,241 |
| Glen Rose | 4,971 | -4,605 |
| Rodessa | 6,660 | -6,294 |
| Woodbine | — |
Jewell42-203-35513
3.9 KM · Rose City Resources, LLC · Section with this well →
| Nacatoch | 2,334 | -1,969 |
| Blossom | 3,054 | -2,689 |
| Goodland | 4,526 | -4,161 |
| Paluxy | 4,607 | -4,242 |
| Glen Rose | 4,971 | -4,606 |
| Rodessa | 6,660 | -6,295 |
| Pettit | 7,296 | -6,931 |
| Woodbine | — |
10 TOPS · FIRST 8
Hughes, Della42-203-32555
4.1 KM · Faulconer Energy, LLC · Section with this well →
| BMA | 6,392 | -6,140 |
| Gloyd | 6,586 | -6,334 |
| Young | 6,730 | -6,478 |
| Pettit | 7,116 | -6,864 |
| Travis Peak | 7,294 | -7,042 |
Morris42-315-31064
4.1 KM · Rose City Resources, LLC · Section with this well →
| Paluxy | 4,554 | -4,198 |
| Glen Rose | 4,963 | -4,607 |
| Rodessa | 6,666 | -6,310 |
| Pettit | 7,280 | -6,924 |
| Nacatoch | — | |
| Cotton Valley | — | |
| Travis Peak | — |
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/20335649, documented in the API reference.