WELL · 42-495-33775 · DISTRICT 8

UL 20 Sunlight #1H

Y

Winkler County · Phantom (Wolfcamp) field · Shut IN  · Horizontal

UL 20 Sunlight #1H (API 42-495-33775) is a horizontal well in Winkler County operated by Apache Corporation, completed May 24, 2017 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 22, 2016, permitted to 12,500 ft.

It was permitted by Oasis Petroleum Permian LLC and has since transferred to Apache Corporation on the wellbore schedule.

Completion filings report 10 formation tops, including Rustler, Clear Fork, Colby-Queen, Delaware.

Its lease has reported 551K barrels of oil and 560K mcf of gas since May 2017, last reporting in July 2026.

Operator of record

Apache Corporation

Permitted by Oasis Petroleum Permian LLC; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleApache Corporation
Production reportsApache Corporationthrough Jun 2025
Latest permitOasis Petroleum Permian LLCDec 22, 2016

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

12,500
total depth, ft
2
permits on file
Dec 22, 2016
last permit issued
May 24, 2017
completed
551K
cumulative oil, bbl
560K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 24, 2017
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.678262, -103.255858

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Winkler 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
UL 20 Sunlight O-10-49103Phantom (Wolfcamp)Apache Corporation1551K560KMay 2017 – Jul 2026

Oil, barrels lease total

Last 12 months 871 · prior 12 8,722(-90%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 968 · prior 12 8,748(-89%)

05K10K202420252026

Chain of custody

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

  1. 1Forge Energy, LLCJun 2017 → Jan 2018
  2. 2Oasis Petroleum Permian LLCFeb 2018 → Feb 2021
  3. 3Percussion Petroleum Oper Ii,llcMar 2021 → Jun 2023
  4. 4Callon Permian II, LLCDec 2023 → Jul 2024
  5. 5Apache CorporationAug 2024 → Jun 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
821147-98DrillOasis Petroleum Permian LLCApr 6, 2018Dec 22, 2016Jan 6, 201711,783
821147-99DrillForge Energy, LLCDec 12, 2016Dec 22, 2016Jan 6, 201712,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-49103————

Formation tops

As filed on W-2/G-1. Subsea from 2,758 ft elevation.Download CSV →

FormationMD ftSubsea
RustlerRUSTLER - POSSIBLE FLOW; POSSIBL7482,010
Clear ForkCLEARFORK——
Colby-Queen——
Delaware——
Glorieta——
Holt——
QueenQUEEN-SEVEN RIVERS——
RustlerRUSTLER - POSSIBLE FLOW; POSSIBL——
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO——
Wichita-AlbanyWICHITA ALBANY——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
12,05121,511Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37574817.5740 S
9.6254,98012.251,415 S
711,9868.75815 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
00May 15, 2018Apr 6, 2018Yes
00Mar 19, 2018Nov 17, 2017—
00Jan 3, 2018Aug 20, 2017Yes

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 →

UL Gillette East 20-37-3642-495-34703

0.0 KM · Percussion Petroleum Oper Ii,llc · Section with this well →

Rustler1,013
Delaware5,032
Glorieta—
Holt—
Seven Rivers—
Colby / Queen—
Capitan—
Yates—

10 TOPS · FIRST 8

UL Gillette East 20-37-3642-495-34691

0.1 KM · Percussion Petroleum Oper Ii,llc · Section with this well →

Delaware4,973-2,394
Bone Spring8,670-6,091
Bone Spring9,819-7,240
Seven Rivers—
Colby / Queen—
Glorieta—
Capitan—
Clear Fork—

12 TOPS · FIRST 8

UL Gillette East 20-37-3642-495-34692

0.1 KM · Percussion Petroleum Oper Ii,llc · Section with this well →

Delaware4,998-2,238
Glorieta—
Yates—
Seven Rivers—
San Andres—
Rustler—
Holt—
Colby / Queen—

10 TOPS · FIRST 8

UL Gillette East 20-37-3642-495-34627

0.1 KM · Percussion Petroleum Oper Ii,llc · Section with this well →

Delaware5,002-2,243
Clear Fork—
Capitan—
Colby / Queen—
Glorieta—
Holt—
Rustler—
San Andres—

10 TOPS · FIRST 8

UL Sugarloaf C 20-37-4842-495-34112

0.4 KM · Oasis Petroleum Permian LLC · Section with this well →

Rustler7262,035
Delaware5,007-2,246
Queen—
Holt—
Glorieta—
Colby-Queen—
Wichita-Albany—
San Andres—

10 TOPS · FIRST 8

UL Sugarloaf D 20-37-4842-495-34113

0.4 KM · Oasis Petroleum Permian LLC · Section with this well →

Rustler7352,026
Delaware4,983-2,222
Wichita-Albany—
San Andres—
Queen—
Holt—
Glorieta—
Colby-Queen—

10 TOPS · FIRST 8

UL Sugarloaf E 20-37-4842-495-34114

0.4 KM · Oasis Petroleum Permian LLC · Section with this well →

Rustler7352,026
Delaware4,983-2,222
Glorieta—
Queen—
San Andres—
Wichita-Albany—
Yates—
Colby-Queen—

10 TOPS · FIRST 8

UL Sugarloaf 20-3742-495-34016

0.9 KM · Oasis Petroleum Permian LLC · Section with this well →

Rustler7302,030
Delaware5,024-2,264
Clear Fork—
Queen—
Holt—
Glorieta—
Colby-Queen—
Yates—

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/49533775, documented in the API reference.