WELL · 42-495-04751 · DISTRICT 8
Halley S. M. (One) #178
Winkler County · Weiner (Colby Sand) field · Vertical
Halley S. M. (One) #178 (API 42-495-04751) is a permitted well in Winkler County filed by Midland Southwest Cold Lake Inc; no completion report is on file yet.
The RRC has issued one drilling permit, issued July 7, 1995, permitted to 3,050 ft.
It was permitted by Midland Southwest Cold Lake Inc and has since transferred to Wallace Operating Company LLC on the wellbore schedule.
Completion filings report one formation top, including Yates.
Its 2 leases have reported 1.12M barrels of oil and 4.91M mcf of gas since January 1993, last reporting in July 2026. The leases carry 282 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Midland Southwest Cold Lake Inc; the EWA schedule now lists a different operator.
Metairie, LA · P-5 Y, filed Sep 4, 2025 · (504) 504-9973
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Wallace Operating Company LLC |
| Production reports | Team Operating, L.L.C.through Apr 2026 |
| Latest permit | Midland Southwest Cold Lake IncJul 7, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,050
- total depth, ft
- 1
- permits on file
- Jul 7, 1995
- last permit issued
- —
- completed
- 1.12M
- cumulative oil, bbl
- 4.91M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 282 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Halley, S. M. O-10-2435 | Halley | Team Operating, L.L.C. | 256 | 1M | 4.17M | Jan 1993 – Jul 2026 |
| Halley, S. M. (One) O-10-7723 | Weiner (Colby Sand) | Wallace Operating Company LLC | 26 | 113K | 739K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,859 · prior 12 8,725(-44%)
Gas, mcf lease total
Last 12 months 0 · prior 12 2,100(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Jan 1993 → Nov 1994
- 2Midland Southwest Cold Lake IncDec 1994 → Jun 1997
- 3Southwest Royalties, Inc.Jul 1997 → Nov 2018
- 4Champion Lone Star Operating,llcDec 2018 → Mar 2020
- 5Juno Operating Company III, LLCApr 2020 → Apr 2025
- 6Team Operating, L.L.C.May 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 437471-99 | Recompletion | Midland Southwest Cold Lake Inc | Jul 3, 1995 | Jul 7, 1995 | May 2, 1997 | 3,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-2435 | — | — | — | — |
| — | — O-10-7723 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,796 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,558 | 238 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,553 | 2,654 | Perforated |
| 2,739 | 2,780 | Perforated |
| — | 3,143 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 762 | 17 | 675 S |
| 13.375 | 762 | — | — |
| 2.5 | 3,140 | — | — |
| 9.625 | 5,023 | 12.25 | 570 S |
| 9.625 | 5,203 | — | — |
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 15, 1997 | Aug 1, 1997 | Yes |
| 00 | Dec 8, 1997 | Oct 25, 1965 | — |
| 00 | Jan 12, 1984 | Oct 25, 1965 | — |
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 42-495-04751 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-04751 → 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/49504751, documented in the API reference.