WELL · 42-389-41495 · DISTRICT 8
Golden Cobra State B #4H
Reeves County · Hoefs T-K (Wolfcamp) field · Producing · Horizontal
Golden Cobra State B #4H (API 42-389-41495) is a horizontal well in Reeves County operated by Upcurve Energy LLC, completed April 19, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 20, 2024, permitted to 11,500 ft.
Completion filings report 9 formation tops, including Bell Canyon, Delaware, Cherry Canyon, Bone Spring.
Its lease has reported 171K barrels of oil and 524K mcf of gas since April 2025, last reporting in July 2026.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2025 · 174 permits on file · (713) 283-8900
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Upcurve Energy LLC |
| Production reports | Upcurve Energy, LLCthrough Apr 2026 |
| Latest permit | Upcurve Energy, LLCNov 20, 2024 |
- 11,500
- total depth, ft
- 1
- permits on file
- Nov 20, 2024
- last permit issued
- Apr 19, 2025
- completed
- 171K
- cumulative oil, bbl
- 524K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 19, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.254679, -103.614337
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Reeves 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 |
|---|---|---|---|---|---|---|
| Golden Cobra State B O-10-64281 | Hoefs T-K (Wolfcamp) | Upcurve Energy, LLC | 1 | 171K | 524K | Apr 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 168,154 · prior 12 2,349(+7059%)
Gas, mcf lease total
Last 12 months 520,959 · prior 12 3,480(+14870%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Upcurve Energy, LLCApr 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 904146-99 | Drill | Upcurve Energy, LLC | Nov 18, 2024 | Nov 20, 2024 | Jan 12, 2025 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-64281 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,698 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bell Canyon | 4,661 | -1,963 |
| Delaware | 4,661 | -1,963 |
| Cherry Canyon | 5,586 | -2,888 |
| Bone Spring | 7,563 | -4,865 |
| Hoefs T-K (Wolfcamp) Field Top | 8,121 | -5,423 |
| Wolfcamp | 10,011 | -7,313 |
| CastileCASTILLE | — | — |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN (UNDEFINED) | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,610 | 21,694 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,564 | 14.75 | 1,249 S |
| 7.625 | 10,127 | 9.875 | 1,423 S |
| 5.5 | 21,903 | 6.75 | 1,319 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 | Dec 17, 2025 | Oct 21, 2025 | 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 42-389-41495 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-41495 → 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.
Golden Cobra State A42-389-41496
0.0 KM · Upcurve Energy, LLC · Section with this well →
| Delaware | 4,665 | -1,967 |
| Bell Canyon | 4,665 | -1,967 |
| Cherry Canyon | 5,593 | -2,895 |
| Bone Spring | 7,574 | -4,876 |
| Wolfcamp | 10,020 | -7,322 |
| Delaware | — | |
| Delaware | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Black Cobra 1-2 Unit B42-389-36307
0.9 KM · NBL Permian LLC · Section with this well →
| Castile | 2,049 | 637 |
| Delaware | 2,554 | 132 |
| Bell Canyon | 4,694 | -2,008 |
| Cherry Canyon | 5,593 | -2,907 |
| Bone Spring | 7,728 | -5,042 |
| Permian (undifferentiated) | 9,802 | -7,116 |
| Wolfcamp | 10,023 | -7,337 |
| Delaware | — |
10 TOPS · FIRST 8
Black Cobra 1-2 Unit A42-389-36273
0.9 KM · NBL Permian LLC · Section with this well →
| Castile | 2,082 | 616 |
| Delaware | 4,703 | -2,005 |
| Bell Canyon | 4,736 | -2,038 |
| Cherry Canyon | 5,615 | -2,917 |
| Bone Spring | 7,746 | -5,048 |
| Permian (undifferentiated) | 9,793 | -7,095 |
| Wolfcamp | 10,009 | -7,311 |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Black Cobra 1-2 Unit B42-389-36308
0.9 KM · NBL Permian LLC · Section with this well →
| Castile | 2,088 | 598 |
| Delaware | 4,663 | -1,977 |
| Bell Canyon | 4,695 | -2,009 |
| Cherry Canyon | 5,598 | -2,912 |
| Bone Spring | 7,783 | -5,097 |
| Permian (undifferentiated) | 9,908 | -7,222 |
| Wolfcamp | 10,078 | -7,392 |
| Delaware | — |
10 TOPS · FIRST 8
Black Cobra 1-2 Unit A42-389-35936
0.9 KM · Williams, Clayton Energy, Inc. · Section with this well →
| Castile | 2,073 | 625 |
| Delaware | 4,698 | -2,000 |
| Bell Canyon | 4,730 | -2,032 |
| Cherry Canyon | 5,603 | -2,905 |
| Bone Spring | 7,732 | -5,034 |
| Permian (undifferentiated) | 9,814 | -7,116 |
| Wolfcamp | 10,050 | -7,352 |
| Delaware | — |
10 TOPS · FIRST 8
Black Cobra 1-2 Unit A42-389-35935
0.9 KM · Williams, Clayton Energy, Inc. · Section with this well →
| Castile | 2,073 | 625 |
| Delaware | 4,700 | -2,002 |
| Bell Canyon | 4,731 | -2,033 |
| Cherry Canyon | 5,621 | -2,923 |
| Bone Spring | 7,754 | -5,056 |
| Wolfcamp | 10,199 | -7,501 |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
Golding Chick State A42-389-41485
1.0 KM · Upcurve Energy, LLC · Section with this well →
| Delaware | 4,690 | -2,006 |
| Bell Canyon | 4,690 | -2,006 |
| Cherry Canyon | 5,620 | -2,936 |
| Bone Spring | 7,618 | -4,934 |
| Hoefs T-K (Wolfcamp) Field Top | 8,172 | -5,488 |
| Wolfcamp | 10,073 | -7,389 |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
Golding Chick State B42-389-41484
1.0 KM · Upcurve Energy, LLC · Section with this well →
| Bell Canyon | 4,682 | -1,998 |
| Delaware | 4,682 | -1,998 |
| Cherry Canyon | 5,610 | -2,926 |
| Bone Spring | 7,606 | -4,922 |
| Wolfcamp | 10,041 | -7,357 |
| Delaware | — | |
| Pennsylvanian | — | |
| Castile | — |
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/38941495, documented in the API reference.