WELL · 42-227-36422 · DISTRICT 8
Wilkinson Ranch #3901
Howard County · Spraberry (Trend Area) field · Vertical
Wilkinson Ranch #3901 (API 42-227-36422) is a well in Howard County operated by Oxyrock Operating LLC, completed October 20, 2010.
The RRC has issued one drilling permit (amended once), issued July 2, 2010, permitted to 11,000 ft.
It was permitted by Crownquest Operating, LLC and has since transferred to Oxyrock Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Strawn, Mississippian.
Its 2 leases have reported 2.94M barrels of oil and 12M mcf of gas since August 2010, last reporting in July 2026. The leases carry 47 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Crownquest Operating, LLC; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Apr 22, 2026
- Permits on file
- 392
- Phone
- (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Oxyrock Operating LLC |
| Production reports | Oxyrock Operating, LLCthrough Apr 2026 |
| Latest permit | Crownquest Operating, LLCJul 2, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 2
- permits on file
- Jul 2, 2010
- last permit issued
- Oct 20, 2010
- completed
- 2.94M
- cumulative oil, bbl
- 12M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 20, 2010
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 47 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wilkinson Ranch O-10-40510 | Spraberry (Trend Area) | Oxyrock Operating, LLC | 46 | 2.9M | 11.8M | Aug 2010 – Jul 2026 |
| Wilkinson Ranch 39 O-10-44880 | Spraberry (Trend Area) | Oxyrock Operating, LLC | 1 | 38.2K | 168K | Jun 2013 – Jul 2026 |
Gas, mcf lease total
Last 12 months 532,024 · prior 12 483,844(+10%)
Oil, barrels lease total
Last 12 months 71,114 · prior 12 81,607(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Crownquest Operating, LLCAug 2010 → Jul 2024
- 2Oxyrock Operating, LLCAug 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 698263-98 | Drill | Crownquest Operating, LLC | Dec 28, 2010 | Jul 2, 2010 | Aug 24, 2010 | 11,000 |
| 698263-99 | Drill | Crownquest Operating, LLC | Jun 28, 2010 | Jul 2, 2010 | Aug 24, 2010 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-40510 | — | — | — | — |
| — | — O-10-44880 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,564 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 7,528 | -4,964 |
| Strawn | 9,452 | -6,888 |
| Mississippian | 10,190 | -7,626 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,528 | 10,313 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 372 | 17.5 | 400 S |
| 8.625 | 4,223 | 11 | 1,000 S |
| 5.5 | 10,400 | 7.875 | 1,700 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 4, 2014 | Dec 14, 2010 | Yes |
| 00 | Sep 27, 2011 | Dec 14, 2010 | 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 42-227-36422 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-36422 → 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.
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/22736422, documented in the API reference.