WELL · 42-311-33973 · DISTRICT 1
Double K North #4
McMullen County · W-K (Wales) field · Vertical
Double K North #4 (API 42-311-33973) is a well in Mcmullen County operated by Wynn-Crosby Operating Ltd., completed October 15, 2007.
The RRC has issued 2 drilling permits between 2007 and 2011, permitted to 6,300 ft.
Completion filings report 2 formation tops, including San Miguel, Wilcox.
Its 2 leases have reported 137K barrels of oil since October 2007, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Dallas, TX · P-5 Y, filed Aug 4, 2025 · 41 permits on file · (972) 380-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Wynn-Crosby Operating Ltd. |
| Production reports | Atlas Operating LLCthrough Mar 2026 |
| Latest permit | Wynn-Crosby Operating, Ltd.May 20, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,300
- total depth, ft
- 2
- permits on file
- May 20, 2011
- last permit issued
- Oct 15, 2007
- completed
- 137K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 15, 2007
- 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Double K North O-1-14899 | San Miguel Creek (Wilcox Cons.) | Atlas Operating LLC | 3 | 107K | 0 | Oct 2007 – Jul 2026 |
| Double K North O-1-14864 | W-K (Wales) | Wynn-Crosby Operating, Ltd. | 1 | 29.9K | 0 | Nov 2007 – May 2013 |
Oil, barrels lease total
Last 12 months 1,078 · prior 12 781(+38%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Century Resources, Inc.Nov 2007 → May 2009
- 2Ncey Holdings, LLCJun 2009 → Jul 2010
- 3Wynn-Crosby Operating, Ltd.Aug 2010 → Aug 2016
- 4Eagle Oil & Gas Co.Sep 2016 → Mar 2021
- 5Atlas Operating LLCApr 2021 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 715249-99 | Field transfer | Wynn-Crosby Operating, Ltd. | Apr 28, 2011 | May 20, 2011 | Jun 9, 2011 | 6,300 |
| 639940-99 | Drill | Century Resources, Inc. | May 31, 2007 | Jun 8, 2007 | Jul 13, 2007 | 6,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-14864 | — | — | — | — |
| — | — O-1-14899 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 290 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San MiguelSAN MIGUEL CREEK (WILCOX CONS.) | 4,982 | -4,692 |
| WilcoxWILCOX CONS. | 6,300 | -6,010 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,281 | 5,291 | Perforated |
| 5,700 | 5,706 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 692 | 12.25 | 310 S |
| 5.5 | 5,876 | 7.875 | 1,100 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 11, 2012 | Dec 14, 2011 | — |
| 00 | Dec 4, 2012 | May 25, 2011 | — |
| 00 | Nov 5, 2012 | Nov 8, 2007 | Yes |
| 00 | Nov 27, 2007 | Nov 8, 2007 | Yes |
| 00 | Nov 19, 2007 | — | — |
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 42-311-33973 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-33973 → 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/31133973, documented in the API reference.