42-329-44801

PRODUCING Horizontal

STILT WEST F 18-20

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

Permits

2

Max Depth

10,553 ft

First Permit

2021-03-31

Latest Activity

2021-03-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-02-13

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2021-09

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 (14) Elevation 2,732 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,310 ft+1,422 ft
RUSTLER 1,695 ft+1,037 ft
YATES 2,652 ft+80 ft
SEVEN RIVERS 2,954 ft-222 ft
QUEEN 3,643 ft-911 ft
QUEEN 3,644 ft-912 ft
GRAYBURG 4,090 ft-1,358 ft
GRAYBURG 4,091 ft-1,359 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,760 ft-3,028 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,761 ft-3,029 ft
CLEARFORK (Clear Fork)6,718 ft-3,986 ft
SPRABERRY 7,542 ft-4,810 ft
SPRABERRY 7,543 ft-4,811 ft
GLORIETA

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
42-329-44797 STILT WEST F 18-20 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,277'Rustler 1,696'Yates 2,643'Seven Rivers 2,962'Queen 3,644'Grayburg 4,098'San Andres 4,243'Clear Fork 6,721'Spraberry 8,107'Glorieta
42-329-44798 STILT WEST G 18-20 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,315'Rustler 1,698'Yates 2,655'Seven Rivers 2,960'Queen 3,645'Grayburg 4,093'San Andres 4,249'Clear Fork 6,716'Spraberry 7,537'Glorieta
42-329-44802 STILT WEST G 18-20 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,315'Rustler 1,695'Yates 2,656'Seven Rivers 2,956'Queen 3,645'Grayburg 4,090'San Andres 4,259'Clear Fork 6,709'Spraberry 7,537'Glorieta
42-329-44803 STILT EAST I 18-20 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,312'Rustler 1,699'Seven Rivers 2,964'Yates 2,964'Queen 3,651'Grayburg 4,109'San Andres 4,267'Clear Fork 6,696'Spraberry 7,524'Glorieta
42-329-45018 STILT EAST I 18-20 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,298'Rustler 1,685'Yates 2,647'Seven Rivers 2,961'Queen 3,645'Grayburg 4,106'San Andres 4,262'Clear Fork 6,691'Spraberry 7,521'Wolfcamp Canyon Glorieta +3 more
42-329-41600 REBECCA SL · HENRY RESOURCES LLC
0.1 mi
Yates 2,666'Seven Rivers 2,986'Queen 3,716'Grayburg 4,330'San Andres 5,185'Clear Fork 5,725'Spraberry 8,092'Glorieta Spraberry Santa Rosa
42-329-41601 REBECCA SL · HENRY RESOURCES LLC
0.1 mi
Santa Rosa 1,400'Yates 2,666'Seven Rivers 2,986'Queen 3,716'Grayburg 4,330'San Andres 5,185'Clear Fork 5,725'Spraberry 7,808'Spraberry Glorieta
42-329-44400 STILT WEST D 18-20 · DE3 OPERATING LLC
0.3 mi
Santa Rosa 1,000'Rustler 1,793'Yates 2,654'Seven Rivers 2,894'Queen 3,534'Grayburg 4,087'San Andres 4,271'Glorieta 5,616'Clear Fork 6,724'Spraberry 7,549'

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
9,449–19,430 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,638 ft1,000 sx
9.625"6,016 ft641 sx
5.5"19,455 ft1,074 sx

Permit History (2)

Applications (2)

#868572 A PIONEER NATURAL RES. USA, INC.
received 2021-07-01
#868572 A DE3 OPERATING LLC
received 2021-03-23

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2022-04-18
W-2/G-1 2022-02-16 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 31.952713
Lon -101.951930

Well Details

Well Number
4206H
Max Depth
10,553 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2022-02-13

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
15,401