42-495-33952

Horizontal

UL 21 YELLOWTAIL

WINKLER County · District 8 · APACHE CORPORATION · PHANTOM (WOLFCAMP)

Permits

4

Max Depth

12,500 ft

First Permit

2017-10-30

Latest Activity

2017-10-30

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2018-09-21

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: APACHE CORPORATION ≠ Permit: FORGE ENERGY, LLC

Resolved via: productionAPACHE CORPORATION

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-04

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (12) Elevation 2,767 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER - POSSIBLE FLOW; POSSIBL (Rustler)748 ft+2,019 ft
COLBY-QUEEN5,091 ft-2,324 ft
LAMAR 5,091 ft-2,324 ft
CLEARFORK (Clear Fork)
COLBY-QUEEN
DELAWARE
GLORIETA
HOLT
QUEEN-SEVEN RIVERS (Queen)
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)
WICHITA ALBANY (Wichita-Albany)
YATES

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-495-34040 UL YELLOWTAIL C 21-29-17 TB · PERCUSSION PETROLEUM OPER II,LLC
0.0 mi
Rustler 725'Lamar 5,085'Avalon 8,550'Bone Spring 8,772'Bone Spring 10,554'Bone Spring 10,632'Bone Spring 11,291'Bone Spring 11,475'Bone Spring 11,668'Wolfcamp 11,873'Mississippian Fusselman +6 more
42-495-34702 UL YELLOWTAIL L 21-29-17 TB · PERCUSSION PETROLEUM OPER II,LLC
0.2 mi
Delaware 5,125'Rustler COLBY / QUEEN Glorieta Holt San Andres Seven Rivers Clear Fork Capitan Yates
42-495-34701 UL YELLOWTAIL K 21-29-17 WB · PERCUSSION PETROLEUM OPER II,LLC
0.2 mi
Delaware 5,114'Bone Spring 10,066'Bone Spring 10,782'COLBY / QUEEN Seven Rivers Capitan Yates San Andres Rustler Glorieta
42-495-34700 UL YELLOWTAIL J 21-29-17 TB · PERCUSSION PETROLEUM OPER II,LLC
0.2 mi
Delaware 5,114'Bone Spring 10,067'Bone Spring 10,825'Seven Rivers Capitan Yates Glorieta San Andres Rustler COLBY / QUEEN
42-495-34699 UL YELLOWTAIL I 21-29-17 WA · PERCUSSION PETROLEUM OPER II,LLC
0.2 mi
Delaware 5,116'Rustler COLBY / QUEEN Glorieta Holt San Andres Seven Rivers Clear Fork Capitan Yates
42-495-34698 UL YELLOWTAIL WEST H 21-29-17 WB · PERCUSSION PETROLEUM OPER II,LLC
0.6 mi
Delaware 5,111'Bone Spring 10,069'Bone Spring 10,820'COLBY / QUEEN Rustler Glorieta Seven Rivers Capitan Yates San Andres
42-495-34697 UL YELLOWTAIL WEST G 21-29-17 WA · PERCUSSION PETROLEUM OPER II,LLC
0.6 mi
Delaware 5,101'Rustler Glorieta Holt Seven Rivers Clear Fork Capitan Yates COLBY / QUEEN San Andres
42-495-34695 UL YELLOWTAIL WEST E 21-29-17 WB · PERCUSSION PETROLEUM OPER II,LLC
0.6 mi
Delaware 5,109'Rustler Glorieta Holt Seven Rivers Clear Fork Capitan Yates COLBY / QUEEN San Andres

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
12,411–22,202 ftPerforated

Casing (4)

SizeSet DepthCement
13.625"786 ft715 sx
13.375"786 ft715 sx
9.625"5,092 ft1,320 sx
7"11,991 ft965 sx

Permit History (4)

Applications (4)

#832406 A PERCUSSION PETROLEUM OPER II,LLC
received 2022-02-08
#832406 A FORGE ENERGY, LLC
received 2018-01-12
#832406 A FORGE ENERGY, LLC
received 2017-11-03
#832406 A FORGE ENERGY, LLC
received 2017-10-25

Records & Logs

2 completion filings on record · 2 with log images at RRC.

W-2/G-1 2022-02-04 log on file
W-2/G-1 2019-02-07 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Lat 31.714860
Lon -103.234780

Well Details

Well Number
2H
Max Depth
12,500 ft
Drill Type
Horizontal
County
WINKLER
District
8
Completed
2018-09-21

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-12-03)
Cum Oil (all leases)
615,928,793 bbl
Cum Gas (all leases)
2,702,742,169 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
9,662