WELL · 42-115-33320 · DISTRICT 8
Southern Cross 31 #1
Dawson County · Spraberry (Trend Area) field · Producing · Vertical
Southern Cross 31 #1 (API 42-115-33320) is a well in Dawson County operated by Halvey Energy LLC, completed July 23, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 24, 2010, permitted to 8,350 ft.
It was permitted by Big Star Oil & Gas, LLC and has since transferred to Halvey Energy LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Rustler, Yates, San Andres, Spraberry.
Its lease has reported 65.1K barrels of oil since July 2010, last reporting in July 2026.
Operator of record
Permitted by Big Star Oil & Gas, LLC; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Aug 4, 2025 · 50 permits on file · (432) 553-7233
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Halvey Energy LLC |
| Production reports | Halvey Energy, LLCthrough Apr 2026 |
| Latest permit | Big Star Oil & Gas, LLCMay 24, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,350
- total depth, ft
- 1
- permits on file
- May 24, 2010
- last permit issued
- Jul 23, 2010
- completed
- 65.1K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 23, 2010
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 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 |
|---|---|---|---|---|---|---|
| Southern Cross 31 O-10-40464 | Spraberry (Trend Area) | Halvey Energy, LLC | 1 | 65.1K | 0 | Jul 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,741 · prior 12 2,053(-15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Big Star Oil & Gas, LLCJul 2010 → Jun 2016
- 2Halvey Energy, LLCJul 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 696388-99 | Drill | Big Star Oil & Gas, LLC | May 21, 2010 | May 24, 2010 | Jun 1, 2010 | 8,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-40464 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,956 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 2,006 | 950 |
| Yates | 2,750 | 206 |
| San Andres | 4,668 | -1,712 |
| Spraberry | 7,837 | -4,881 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,265 | 8,278 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 400 | 17.5 | 400 S |
| 8.625 | 4,181 | 11 | 1,100 S |
| 5.5 | 8,351 | 7.875 | 200 S |
| 5.5 | — | 7.875 | 495 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 | Mar 16, 2011 | Oct 11, 2010 | Yes |
| 00 | Mar 7, 2011 | — | — |
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 42-115-33320 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-33320 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/11533320, documented in the API reference.