TEXAS · WELLS · UPTON COUNTY · API 42-461-30581 · DISTRICT 6E
Halff Estate #2 #2
Upton County · Amacker-Tippett (Strawn) field · Vertical
Halff Estate #2 #2 (API 42-461-30581) is a plugged well in Upton County, plugged October 17, 2003, last operated by Eog Resources Inc..
The RRC has issued one drilling permit, issued October 10, 1988, permitted to 11,703 ft.
It was permitted by Terra Resources, Inc. and has since transferred to Eog Resources Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including Wolfcamp, Strawn, Bend, Devonian.
Its 2 leases have reported 4.49K barrels of oil and 402K mcf of gas since January 1993, last reporting in March 2008. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Terra Resources, Inc.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 16,348
- Phone
- (713) 651-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | EOG Resources, Inc.through May 2001 |
| Latest permit | Terra Resources, Inc.Oct 10, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,703
- total depth, ft
- 1
- permits on file
- Oct 10, 1988
- last permit issued
- Oct 24, 1988
- completed
- 4.49K
- cumulative oil, bbl
- 402K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 24, 1988
- Shut in
- —
- Plugged
- Oct 17, 2003
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Halff Estate O-9-6952 | Amacker-Tippett (Wolfcamp) | EOG Resources, Inc. | 2 | 3.85K | 378K | Jan 1993 – Mar 2008 |
| Halff Estate #2 O-9-12548 | Amacker-Tippett (Strawn) | EOG Resources, Inc. | 1 | 640 | 23.9K | Jan 1993 – Mar 2008 |
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.
- 1American Exploration CompanyJan 1993 → Dec 1996
- 2Prospctv Invstmnt & Trdg Co, LtdJan 1997 → Oct 1999
- 3EOG Resources, Inc.May 2001 → May 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 352111-99 | Recompletion | Terra Resources, Inc. | Oct 10, 1988 | Oct 10, 1988 | — | 11,703 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 24, 1988 | Halff Estate #2 O-9-12548 | Amacker-Tippett (Strawn) | EOG Resources Inc. | Plugged | — |
| Sep 1, 1982 | Halff Estate O-9-6952 | Amacker-Tippett (Wolfcamp) | EOG Resources Inc. | Plugged | — |
| Jan 21, 1977 | Halff Estate O-9-6952 | Amacker-Tippett (Wolfcamp) | EOG Resources Inc. | Plugged | — |
| — | Halff Estate 20 O-9-7082 | Amacker-Tippett (Devonian) | EOG Resources Inc. | Plugged | — |
| — | Halff Estate 20 O-9-7082 | Amacker-Tippett (Devonian) | EOG Resources Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,665 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,871 | 9,461 | Perforated |
| 9,677 | 9,683 | Perforated |
| 9,693 | 9,701 | Perforated |
| 10,989 | — | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 389 | 17 | 425 S |
| 9.625 | 4,520 | 12.25 | 250 S |
| 2.875 | 9,633 | — | — |
| 5.5 | 11,702 | 8.75 | 1,400 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 | Nov 14, 1988 | Oct 26, 1988 | Yes |
| 00 | Nov 9, 1988 | — | — |
| 00 | Jan 12, 1984 | Dec 2, 1982 | — |
| 00 | Jan 12, 1984 | Feb 7, 1977 | — |
| 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 42-461-30581 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-30581 → 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/46130581, documented in the API reference.