42-329-44421

PRODUCING Horizontal

HIGH SKY O 42-43

MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

2

Max Depth

9,500 ft

First Permit

2020-09-04

Latest Activity

2020-09-04

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-04-27

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: DE3 OPERATING LLC

Resolved via: productionPIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-08

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 (10) Elevation 2,734 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,734 ft
RUSTLER 1,774 ft+960 ft
YATES 2,617 ft+117 ft
SEVEN RIVERS 2,827 ft-93 ft
QUEEN 3,470 ft-736 ft
GRAYBURG 4,020 ft-1,286 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,257 ft-1,523 ft
GLORIETA 5,136 ft-2,402 ft
CLEARFORK (Clear Fork)6,607 ft-3,873 ft
SPRABERRY 7,443 ft-4,709 ft

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
42-329-44423 HIGH SKY N 42-43 · DE3 OPERATING LLC
0.0 mi
Santa Rosa 1,000'Rustler 1,776'Yates 2,612'Seven Rivers 2,826'Queen 3,468'Grayburg 4,019'San Andres 4,256'Glorieta 5,150'Clear Fork 6,609'Spraberry 7,448'
42-329-44422 HIGH SKY O 42-43 · DE3 OPERATING LLC
0.0 mi
Santa Rosa 1,000'Rustler 1,775'Yates 2,614'Seven Rivers 2,824'Queen 3,466'Grayburg 4,018'San Andres 4,253'Glorieta 5,139'Clear Fork 6,605'Spraberry 7,440'
42-329-44425 HIGH SKY M 42-43 · DE3 OPERATING LLC
0.0 mi
Santa Rosa 1,000'Rustler 1,774'Yates 2,615'Seven Rivers 2,828'Queen 3,472'Grayburg 4,023'San Andres 4,261'Glorieta 5,171'Clear Fork 6,615'Spraberry 7,454'
42-329-44424 HIGH SKY M 42-43 · DE3 OPERATING LLC
0.0 mi
Santa Rosa 1,000'Rustler 1,771'Yates 2,617'Seven Rivers 2,829'Queen 3,471'Grayburg 4,025'San Andres 4,262'Glorieta 5,170'Clear Fork 6,611'Spraberry 7,451'PRECAMBRIAN (UNDIFFERENTIATED) CAMBRIAN
42-329-44426 HIGH SKY K 42-43 · DE3 OPERATING LLC
0.0 mi
Santa Rosa 1,000'Rustler 1,772'Yates 2,615'Seven Rivers 2,830'Queen 3,471'Grayburg 4,024'San Andres 4,263'Glorieta 5,168'Clear Fork 6,616'Spraberry 7,457'
42-329-43263 HIGH SKY N 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Seven Rivers 1,300'Yates 2,576'Queen 3,443'Grayburg 4,063'San Andres 4,257'Glorieta 5,152'Clear Fork 6,612'Spraberry 7,451'Spraberry 7,541'Spraberry
42-329-43262 HIGH SKY O 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Seven Rivers 1,300'Yates 2,566'Queen 3,431'Grayburg 4,051'San Andres 4,249'Glorieta 5,142'Clear Fork 6,607'Spraberry 7,443'Spraberry
42-329-36687 MCALISTER '31B' · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Spraberry 7,450'Spraberry 7,450'Strawn 10,350'Bend 10,525'Atoka 10,625'Atoka 10,750'

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
9,431–19,360 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,660 ft1,350 sx
9.625"8,471 ft585 sx
5.5"19,455 ft2,330 sx

Permit History (2)

Applications (2)

#864935 A DE3 OPERATING LLC
received 2020-11-24
#864935 A DE3 OPERATING LLC
received 2020-09-03

Records & Logs

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

W-2/G-1 2021-04-30 log on file
W-2/G-1 2021-03-18 log on file

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

Lat 32.046367
Lon -101.939568

Well Details

Well Number
4215H
Max Depth
9,500 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2021-04-27

Operator

Location
Y SPRING
P-5 Status
Active (filed 2025-08-01)
Cum Oil (all leases)
1,771,882,421 bbl
Cum Gas (all leases)
1,763,727,021 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
15,468