WELL · 42-461-31692 · DISTRICT 7
Halff 47 #1
Upton County · Spraberry (Trend Area) field · Vertical
Halff 47 #1 (API 42-461-31692) is a well in Upton County operated by Ensource Inc., completed February 28, 1981.
The RRC has issued 2 drilling permits between 1980 and 1984, permitted to 9,000 ft.
Completion filings report 5 formation tops, including Clear Fork, Spraberry, Dean, Jo Mill.
Its lease has reported 138K barrels of oil and 252K mcf of gas since January 1993, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Inactive, filed Mar 8, 1990 · 121 permits on file · (713) 653-5034
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ensource Inc. |
| Production reports | Atlas Operating LLCthrough Mar 2026 |
| Latest permit | Ensource Inc.Jul 2, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 2
- permits on file
- Jul 2, 1984
- last permit issued
- Feb 28, 1981
- completed
- 138K
- cumulative oil, bbl
- 252K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 28, 1981
- 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 lease this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Halff "47" O-9-10523 | Spraberry (Trend Area CL. Fk.) | Atlas Operating LLC | 6 | 138K | 252K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,048 · prior 12 3,387(-40%)
Gas, mcf lease total
Last 12 months 327 · prior 12 2,020(-84%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Umc Petroleum CorporationJan 1993 → Mar 1997
- 2Pioneer Exploration CompanyApr 1997 → Jun 2001
- 3Pioneer Exploration, Ltd.Jul 2001 → Jan 2008
- 4Pioneer Exploration, LLCFeb 2008 → Mar 2010
- 5Atlas Operating LLCApr 2010 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 243871-99 | Recompletion | Ensource Inc. | Jun 28, 1984 | Jul 2, 1984 | — | 7,100 |
| 100858-99 | Drill | Palo Petroleum, Inc. | Dec 4, 1980 | Dec 4, 1980 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-10523 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,753 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,500 | -3,747 |
| SpraberryLOWER SPRABERRY | 7,726 | -4,973 |
| Dean | 8,524 | -5,771 |
| Jo Mill | 8,524 | -5,771 |
| Wolfcamp | 8,698 | -5,945 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,511 | 7,013 | Perforated |
| 7,680 | 8,696 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 769 | 11 | 325 S |
| 2.375 | 8,466 | — | — |
| 4.5 | 8,783 | 7.875 | 800 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 | Oct 23, 1984 | Oct 1, 1984 | — |
| 00 | Oct 11, 1984 | — | — |
| 00 | Jan 12, 1984 | Jul 7, 1981 | — |
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 42-461-31692 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31692 → 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/46131692, documented in the API reference.