WELL · 42-033-32429 · DISTRICT 8
Basilisk Unit a 13-12 #4AH
Borden County · Spraberry (Trend Area) field · Producing · Horizontal
Basilisk Unit A 13-12 #4AH (API 42-033-32429) is a horizontal well in Borden County operated by Surge Operating LLC, completed February 2, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued July 12, 2017, permitted to 10,000 ft.
Completion filings report 10 formation tops, including Santa Rosa, Rustler, Yates, San Andres.
Its lease has reported 359K barrels of oil and 530K mcf of gas since February 2018, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed May 4, 2026 · 1,234 permits on file · (832) 495-6024
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Surge Operating LLC |
| Production reports | Surge Operating, LLCthrough Mar 2026 |
| Latest permit | Surge Operating, LLCJul 12, 2017 |
- 10,000
- total depth, ft
- 1
- permits on file
- Jul 12, 2017
- last permit issued
- Feb 2, 2018
- completed
- 359K
- cumulative oil, bbl
- 530K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 2, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.540824, -101.585542
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Borden 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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Basilisk Unit a 13-12 O-10-49954 | Spraberry (Trend Area) | Surge Operating, LLC | 3 | 359K | 530K | Feb 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 14,322 · prior 12 18,294(-22%)
Gas, mcf lease total
Last 12 months 48,138 · prior 12 54,890(-12%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Surge Operating, LLCFeb 2018 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 828659-99 | Drill | Surge Operating, LLC | Jul 11, 2017 | Jul 12, 2017 | Sep 13, 2017 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-49954 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,595 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaSANTA ROSA - GAU PROTECTION | 300 | 2,295 |
| RustlerRUSTLER - GAU PROTECTION | 1,255 | 1,340 |
| Yates | 1,827 | 768 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,572 | -977 |
| Clear ForkCLEARFORK | 5,622 | -3,027 |
| Spraberry | 6,296 | -3,701 |
| WolfcampWOLFCAMP - STRONG WATER FLOWS | 7,690 | -5,095 |
| CiscoCISCO - ACTIVE CO2 FLOOD | — | — |
| LeonardLEONARD LIME | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,160 | 15,181 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 484 | 17.5 | 540 S |
| 9.625 | 7,648 | 12.25 | 650 S |
| 5.5 | 15,312 | 8.5 | 2,070 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 | Jun 5, 2018 | Apr 11, 2018 | 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 42-033-32429 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-033-32429 → 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.
Basilisk Unit a 13-1242-033-32449
0.2 KM · Surge Operating, LLC · Section with this well →
| Rustler | 1,279 | 1,314 |
| Yates | 1,819 | 774 |
| San Andres | 3,466 | -873 |
| Clear Fork | 5,499 | -2,906 |
| Spraberry | 6,220 | -3,627 |
| Wolfcamp | 7,592 | -4,999 |
| Cisco | — | |
| Leonard | — |
10 TOPS · FIRST 8
Basilisk Unit a 13-1242-033-32479
0.2 KM · Surge Operating, LLC · Section with this well →
| Rustler | 1,254 | 1,336 |
| Yates | 1,803 | 787 |
| Queen | 2,703 | -113 |
| San Andres | 3,449 | -859 |
| Glorieta | 4,657 | -2,067 |
| Clear Fork | 5,582 | -2,992 |
| Spraberry | 6,269 | -3,679 |
| Santa Rosa | — |
10 TOPS · FIRST 8
Lil el 19-3042-033-32516
1.4 KM · Sabalo Operating, LLC · Section with this well →
| Santa Rosa | 1,815 | 780 |
| Rustler | 1,913 | 682 |
| San Andres | 3,303 | -708 |
| Yates | 4,033 | -1,438 |
| Leonard | 4,151 | -1,556 |
| Wichita-Albany | 6,143 | -3,548 |
| Spraberry | 6,663 | -4,068 |
| Wolfcamp | — |
10 TOPS · FIRST 8
Lil el 19-3042-033-32515
1.4 KM · Sabalo Operating, LLC · Section with this well →
| Santa Rosa | 1,811 | 784 |
| Rustler | 1,911 | 684 |
| San Andres | 3,294 | -699 |
| Yates | 4,030 | -1,435 |
| Leonard | 4,155 | -1,560 |
| Wichita-Albany | 6,149 | -3,554 |
| Spraberry | 6,670 | -4,075 |
| Wolfcamp | 7,465 | -4,870 |
10 TOPS · FIRST 8
Lil el 19-3142-033-32454
1.4 KM · Sabalo Operating, LLC · Section with this well →
| Santa Rosa | 1,818 | 777 |
| Rustler | 1,914 | 681 |
| San Andres | 3,296 | -701 |
| Yates | 4,032 | -1,437 |
| Leonard | 4,153 | -1,558 |
| Wichita-Albany | 6,125 | -3,530 |
| Spraberry | 6,670 | -4,075 |
| Wolfcamp | 7,450 | -4,855 |
10 TOPS · FIRST 8
Lil el C42-033-32741
1.7 KM · Vital Energy, Inc. · Section with this well →
| Santa Rosa | 843 | 1,766 |
| Tecovas | 912 | 1,697 |
| Dewy Lake | 1,105 | 1,504 |
| Rustler | 1,304 | 1,305 |
| Salado | 1,338 | 1,271 |
| Yates | 1,817 | 792 |
| 7 River | 1,923 | 686 |
| Queen | 2,439 | 170 |
10 TOPS · FIRST 8
Lil el C42-033-32742
1.7 KM · Vital Energy, Inc. · Section with this well →
| Santa Rosa | 839 | 1,770 |
| Tecovas | 915 | 1,694 |
| Dewy Lake | 1,105 | 1,504 |
| Rustler | 1,304 | 1,305 |
| Salado | 1,338 | 1,271 |
| 7 River | 1,921 | 688 |
| Queen | 2,428 | 181 |
| San Andres | 3,239 | -630 |
10 TOPS · FIRST 8
Williams Unit B 24-1342-227-39597
2.4 KM · Surge Operating, LLC · Section with this well →
| Yates | 1,902 | 744 |
| San Andres | 3,470 | -824 |
| Clear Fork | 5,673 | -3,027 |
| Spraberry | 6,254 | -3,608 |
| Dean | 7,496 | -4,850 |
| Wolfcamp | 7,610 | -4,964 |
| Coleman Junction | — | |
| Seven Rivers | — |
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/03332429, documented in the API reference.