WELL · 42-389-38430 · DISTRICT 8

Winkler State 34 #4H

N

Reeves County · Phantom (Wolfcamp) field  · Horizontal

Winkler State 34 #4H (API 42-389-38430) is a horizontal well in Reeves County operated by Upcurve Energy LLC, completed December 16, 2019.

The RRC has issued one drilling permit, issued June 26, 2019, permitted to 12,000 ft.

Completion filings report 8 formation tops, including Bell Canyon, Delaware, Cherry Canyon, Bone Spring.

No lease production has been reported under this well’s leases.

Operator of record

Upcurve Energy LLC

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 scheduleUpcurve Energy LLC
Production reportsUpcurve Energy, LLCthrough Apr 2026
Latest permitUpcurve Energy, LLCJun 26, 2019
12,000
total depth, ft
1
permits on file
Jun 26, 2019
last permit issued
Dec 16, 2019
completed
0
cumulative oil, bbl
2.13M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 16, 2019
Shut in
—
Plugged
—

Surface location

31.283953, -103.694312

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 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Winkler State 34 G-10-291920Phantom (Wolfcamp)Upcurve Energy, LLC102.13MDec 2019 – Jul 2026
Winkler State 34 O-10-51044Phantom (Wolfcamp)Upcurve Energy, LLC400Sep 2018 – Jan 2023

Gas, mcf lease total

Last 12 months 202,329 · prior 12 200,306(+1%)

010K20K30K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Upcurve Energy, LLCDec 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
854531-99DrillUpcurve Energy, LLCJun 24, 2019Jun 26, 2019Jul 2, 201912,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-291920————
—— O-10-51044————

Formation tops

As filed on W-2/G-1. Subsea from 2,802 ft elevation.Download CSV →

FormationMD ftSubsea
Bell Canyon4,228-1,426
Delaware4,228-1,426
DelawareFORD-DELAWARE4,228-1,426
Cherry Canyon5,184-2,382
Bone SpringBONE SPRINGS7,057-4,255
Wolfcamp9,788-6,986
CastileCASTILLE——
DelawareDELAWARE CONSOLIDATED GAS——
Pennsylvanian——
Permian (undifferentiated)PERMIAN——

Perforations

Perforated and open-hole intervals.

FromToType
10,08118,683Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.752,44413.5839 S
5.59,8646.751,300 S
7.6259,9819.8751,018 S
5.518,7836.751,300 S
4.518,7836.751,300 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Feb 28, 2022Jan 27, 2022Yes
00Jul 10, 2020May 20, 2020Yes

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.

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.

Open the cross-section →

Winkler-Howe State 3442-389-39650

0.6 KM · Upcurve Energy, LLC · Section with this well →

Bell Canyon4,251-1,462
Delaware4,251-1,462
Cherry Canyon5,206-2,417
Bone Spring7,132-4,343
Wolfcamp9,804-7,015
Castile—
Delaware—
Delaware—

10 TOPS · FIRST 8

Ghost State 45-46 Unit B42-389-36936

0.8 KM · NBL Permian LLC · Section with this well →

Castile1,836947
Delaware4,252-1,469
Bell Canyon4,283-1,500
Cherry Canyon5,211-2,428
Bone Spring7,240-4,457
Permian (undifferentiated)9,423-6,640
Wolfcamp9,788-7,005
Delaware—

10 TOPS · FIRST 8

Passmore-Johnson State42-389-39686

1.2 KM · Upcurve Energy, LLC · Section with this well →

Delaware4,244-1,459
Bell Canyon4,244-1,459
Cherry Canyon5,221-2,436
Bone Spring7,158-4,373
Wolfcamp9,817-7,032
Delaware—
Castile—
Delaware—

10 TOPS · FIRST 8

B Bomb West42-389-39729

1.6 KM · Upcurve Energy, LLC · Section with this well →

Delaware4,266-1,485
Bell Canyon4,266-1,485
Cherry Canyon5,215-2,434
Bone Spring7,150-4,369
Bone Spring8,496-5,715
Bone Spring9,331-6,550
Wolfcamp9,805-7,024
Castile—

13 TOPS · FIRST 8

B Bomb East42-389-39728

1.6 KM · Upcurve Energy, LLC · Section with this well →

Delaware4,272-1,491
Bell Canyon4,272-1,491
Cherry Canyon5,234-2,453
Bone Spring7,177-4,396
Bone Spring8,512-5,731
Bone Spring9,342-6,561
Wolfcamp9,813-7,032
Delaware—

12 TOPS · FIRST 8

Ghost State 45-46 Unit A42-389-36390

1.9 KM · NBL Permian LLC · Section with this well →

Castile1,964815
Delaware4,298-1,519
Bell Canyon4,324-1,545
Cherry Canyon5,232-2,453
Bone Spring7,265-4,486
Permian (undifferentiated)9,716-6,937
Wolfcamp9,773-6,994
Delaware—

10 TOPS · FIRST 8

Ghost State 45-46 Unit A42-389-36119

1.9 KM · NBL Permian LLC · Section with this well →

Castile1,963816
Delaware4,293-1,514
Bell Canyon4,329-1,550
Cherry Canyon5,236-2,457
Bone Spring7,278-4,499
Permian (undifferentiated)9,524-6,745
Wolfcamp9,714-6,935
Ellenburger—

14 TOPS · FIRST 8

Cherry Bomb 10-9 Unit A42-389-36506

2.2 KM · Upcurve Energy, LLC · Section with this well →

Castile1,960824
Delaware4,285-1,501
Bell Canyon4,321-1,537
Cherry Canyon5,229-2,445
Bone Spring7,329-4,545
Permian (undifferentiated)9,594-6,810
Wolfcamp9,791-7,007
Delaware—

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/38938430, documented in the API reference.