WELL · 42-383-01916 · DISTRICT 7
Halff Estate A #1
Reagan County · Spraberry (Trend Area CL. Fk.) field · Vertical
Halff Estate A #1 (API 42-383-01916) is a plugged well in Reagan County, plugged November 2, 2015, last operated by Apache Corporation.
The RRC has issued one drilling permit (amended once), issued November 20, 1996, permitted to 7,760 ft.
It was permitted by Tamarack Petroleum Company, Inc. and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 2 formation tops, including Clear Fork, Spraberry.
Its lease has reported 18.2K barrels of oil and 85K mcf of gas since March 1997, last reporting in May 2016.
Operator of record
Permitted by Tamarack Petroleum Company, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Sep 2015 |
| Latest permit | TSF OperatingNov 20, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,760
- total depth, ft
- 2
- permits on file
- Nov 20, 1996
- last permit issued
- Feb 11, 1997
- completed
- 18.2K
- cumulative oil, bbl
- 85K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1997 THROUGH May 2016
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 11, 1997
- Shut in
- —
- Plugged
- Nov 2, 2015
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 |
|---|---|---|---|---|---|---|
| Halff Estate A O-9-14581 | Spraberry (Trend Area CL. Fk.) | Apache Corporation | 1 | 18.2K | 85K | Mar 1997 – May 2016 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Tamarack Petroleum Company, Inc.Mar 1997 → Nov 2007
- 2Mariner Energy, Inc.Dec 2007 → Nov 2010
- 3Apache CorporationDec 2010 → Jan 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 455336-98 | Reenter | Tamarack Petroleum Company, Inc. | Apr 15, 1997 | Nov 20, 1996 | Jan 3, 1997 | 7,760 |
| 455336-99 | Reenter | TSF Operating | Nov 18, 1996 | Nov 20, 1996 | — | 7,760 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-14581 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,660 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkTOP CLEARFORK | 5,755 | -3,095 |
| Clear ForkLOWER CLEARFORK | 5,936 | -3,276 |
| SpraberryBASE SPRABERRY | 6,330 | -3,670 |
| SpraberryTOP SPRABERRY | 6,712 | -4,052 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,101 | 6,330 | Perforated |
| — | 6,730 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 381 | 11 | 300 S |
| 5.5 | 7,767 | 7.875 | 515 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 20, 1997 | Apr 4, 1997 | Yes |
| 00 | Jun 13, 1997 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-383-01916 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-01916 → 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/38301916, documented in the API reference.