WELL · 42-115-33796 · DISTRICT 8
Zelpha #1
Dawson County · Gin (Spraberry) field · Producing · Vertical
Zelpha #1 (API 42-115-33796) is a well in Dawson County operated by Halvey Energy LLC, completed October 6, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 18, 2019, permitted to 8,800 ft.
Completion filings report 10 formation tops, including Yates, San Andres, Spraberry, Canyon.
Its lease has reported 16.8K barrels of oil since October 2019, last reporting in July 2026.
Operator of record
Midland, TX · P-5 Y, filed Aug 4, 2025 · 50 permits on file · (432) 553-7233
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Halvey Energy LLC |
| Production reports | Halvey Energy, LLCthrough Apr 2026 |
| Latest permit | Halvey Energy, LLCJun 18, 2019 |
- 8,800
- total depth, ft
- 1
- permits on file
- Jun 18, 2019
- last permit issued
- Oct 6, 2019
- completed
- 16.8K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 6, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.647128, -101.995550
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Dawson County.
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 |
|---|---|---|---|---|---|---|
| Zelpha O-11-70953 | Gin (Spraberry) | Halvey Energy, LLC | 1 | 16.8K | 0 | Oct 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,282 · prior 12 1,366(-6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Halvey Energy, LLCOct 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 854223-99 | Drill | Halvey Energy, LLC | Jun 14, 2019 | Jun 18, 2019 | Aug 10, 2019 | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-70953 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,949 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,700 | 249 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 3,800 | -851 |
| Spraberry | 7,500 | -4,551 |
| Canyon | — | — |
| Dean | — | — |
| Devonian | — | — |
| Mississippian | — | — |
| Pennsylvanian | — | — |
| Silurian (undifferentiated)SILURIAN | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,172 | 8,184 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 417 | 17.5 | 375 S |
| 8.625 | 4,176 | 11 | 1,100 S |
| 5.5 | 8,676 | 7.875 | 550 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 | Mar 9, 2020 | Dec 4, 2019 | 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 42-115-33796 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-33796 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Tarbet42-115-33881
0.3 KM · Halvey Energy, LLC · Section with this well →
| Yates | 2,710 | 250 |
| San Andres | 3,820 | -860 |
| Spraberry | 7,460 | -4,500 |
| Mississippian | — | |
| Devonian | — | |
| Dean | — | |
| Wolfcamp | — | |
| Silurian (undifferentiated) | — |
10 TOPS · FIRST 8
King42-115-33851
1.1 KM · Halvey Energy, LLC · Section with this well →
| Yates | 2,750 | 183 |
| San Andres | 4,710 | -1,777 |
| Spraberry | 7,410 | -4,477 |
| Mississippian | — | |
| Dean | — | |
| Silurian (undifferentiated) | — | |
| Canyon | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
King42-115-33794
1.7 KM · Halvey Energy, LLC · Section with this well →
| Yates | 2,685 | 241 |
| San Andres | 3,790 | -864 |
| Spraberry | 7,380 | -4,454 |
| Silurian (undifferentiated) | — | |
| Canyon | — | |
| Dean | — | |
| Devonian | — | |
| Mississippian | — |
10 TOPS · FIRST 8
Arlo Country 45-09 B42-115-34077
2.2 KM · Pinon Operating II, LLC · Section with this well →
| Spraberry | 7,732 | -4,792 |
| Spraberry | 8,063 | -5,123 |
| Spraberry | 8,289 | -5,349 |
| Clear Fork | 8,468 | -5,528 |
| Jo Mill | 8,528 | -5,588 |
| Spraberry | 8,720 | -5,780 |
| Dean | 9,115 | -6,175 |
| Yates | — |
10 TOPS · FIRST 8
Carr42-115-33804
2.7 KM · Halvey Energy, LLC · Section with this well →
| Yates | 2,754 | 213 |
| San Andres | 4,053 | -1,086 |
| Spraberry | 7,543 | -4,576 |
| Canyon | — | |
| Dean | — | |
| Devonian | — | |
| Mississippian | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Carr42-115-33792
3.0 KM · Halvey Energy, LLC · Section with this well →
| Yates | 2,768 | 195 |
| San Andres | 4,075 | -1,112 |
| Spraberry | 7,555 | -4,592 |
| Dean | — | |
| Devonian | — | |
| Mississippian | — | |
| Pennsylvanian | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Carr42-115-33762
3.0 KM · Halvey Energy, LLC · Section with this well →
| Yates | 2,778 | 196 |
| San Andres | 3,935 | -961 |
| Spraberry | 7,550 | -4,576 |
| Dean | — | |
| Canyon | — | |
| Wolfcamp | — | |
| Silurian (undifferentiated) | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Carr42-115-33824
3.0 KM · Halvey Energy, LLC · Section with this well →
| Yates | 2,740 | 218 |
| San Andres | 4,038 | -1,080 |
| Spraberry | 7,545 | -4,587 |
| Canyon | — | |
| Dean | — | |
| Devonian | — | |
| Mississippian | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
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/11533796, documented in the API reference.