WELL · 42-329-39988 · DISTRICT 8
Halfmann 28 WB #1H
Midland County · Spraberry (Trend Area) R 40 Exc field · Producing · Horizontal
Halfmann 28 WB #1H (API 42-329-39988) is a horizontal well in Midland County operated by Fasken Oil And Ranch Ltd., completed September 1, 2017 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended twice) between 2014 and 2016, permitted to 8,805 ft.
Completion filings report 9 formation tops, including Spraberry, Clear Fork, Glorieta, Grayburg.
Its lease has reported 377K barrels of oil and 630K mcf of gas since August 2017, last reporting in July 2026.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 14, 2025
- Permits on file
- 2,057
- Phone
- (432) 687-1777
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Fasken Oil and Ranch, Ltd.through Apr 2026 |
| Latest permit | Fasken Oil and Ranch, Ltd.Dec 22, 2016 |
- 8,805
- total depth, ft
- 4
- permits on file
- Dec 22, 2016
- last permit issued
- Sep 1, 2017
- completed
- 377K
- cumulative oil, bbl
- 630K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 1, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Halfmann '28' WB O-10-50412 | Spraberry (Trend Area) R 40 Exc | Fasken Oil and Ranch, Ltd. | 1 | 377K | 630K | Aug 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 19,750 · prior 12 21,691(-9%)
Gas, mcf lease total
Last 12 months 38,408 · prior 12 39,236(-2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fasken Oil and Ranch, Ltd.Aug 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 821143-97 | Drill | Fasken Oil and Ranch, Ltd. | Apr 20, 2017 | Dec 22, 2016 | May 7, 2017 | 9,400 |
| 821143-98 | Drill | Fasken Oil and Ranch, Ltd. | Feb 27, 2017 | Dec 22, 2016 | — | 9,400 |
| 821143-99 | Drill | Fasken Oil and Ranch, Ltd. | Dec 12, 2016 | Dec 22, 2016 | — | 9,400 |
| 801403-99 | Drill | Fasken Oil and Ranch, Ltd. | Dec 8, 2014 | Dec 9, 2014 | — | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 1, 2017 | Halfmann 28 WB O-10-50412 | Spraberry (Trend Area) R 40 Exc | Fasken Oil and Ranch Ltd. | Producing | 8,805 |
Formation tops
As filed on W-2/G-1. Subsea from 2,638 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 7,007 | -4,369 |
| SpraberrySPRABERRY UPPER-DEAN | 8,328 | -5,690 |
| Clear ForkCLEARFORK | — | — |
| Glorieta | — | — |
| Grayburg | — | — |
| Queen | — | — |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | — | — |
| Santa Rosa | — | — |
| Seven Rivers | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,082 | 16,207 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,351 | 17.5 | 1,052 S |
| 9.625 | 8,738 | 12.25 | 612 S |
| 5.5 | 16,268 | 8.5 | 3,045 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 7, 2018 | Jan 8, 2018 | Yes |
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 42-329-39988 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-39988 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/32939988, documented in the API reference.