42-329-44803

PRODUCING Horizontal

STILT EAST I 18-20

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

Permits

2

Max Depth

10,553 ft

First Permit

2021-04-01

Latest Activity

2021-04-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-02-14

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

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 (10) Elevation 2,733 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,312 ft+1,421 ft
RUSTLER 1,699 ft+1,034 ft
SEVEN RIVERS 2,964 ft-231 ft
YATES 2,964 ft-231 ft
QUEEN 3,651 ft-918 ft
GRAYBURG 4,109 ft-1,376 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,267 ft-1,534 ft
CLEARFORK (Clear Fork)6,696 ft-3,963 ft
SPRABERRY 7,524 ft-4,791 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
42-329-44802 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
42-329-45018 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 Pennsylvanian Glorieta +3 more
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
42-329-44801 STILT WEST G 18-20 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,310'Rustler 1,695'Yates 2,652'Seven Rivers 2,954'Queen 3,643'Queen 3,644'Grayburg 4,090'Grayburg 4,091'San Andres 5,760'San Andres 5,761'Clear Fork 6,718'Spraberry 7,542' +2 more
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
42-329-41600 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'Santa Rosa Spraberry Glorieta
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
42-329-42981 MID-STATES UNIT 37-5 · EARTHSTONE OPERATING, LLC
0.3 mi
Santa Rosa 1,120'Yates 2,657'Seven Rivers 2,970'Queen 3,669'Grayburg 4,105'San Andres 4,429'Glorieta 5,553'Clear Fork 6,713'Spraberry 7,540'Spraberry 8,926'

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
9,368–19,349 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,767 ft1,000 sx
9.625"6,017 ft1,649 sx
5.5"19,373 ft1,059 sx

Permit History (2)

Applications (2)

#868580 A PIONEER NATURAL RES. USA, INC.
received 2021-07-01
#868580 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 2022-04-20
W-2/G-1 2022-02-28 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 31.952764
Lon -101.951699

Well Details

Well Number
4209H
Max Depth
10,553 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2022-02-14

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