42-329-45003

PRODUCING Horizontal

STILT EAST K 18-20

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

Permits

1

Max Depth

10,553 ft

First Permit

2021-07-01

Latest Activity

2021-07-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-02-26

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 (10) Elevation 2,722 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,323 ft+1,399 ft
RUSTLER 1,688 ft+1,034 ft
YATES 2,646 ft+76 ft
SEVEN RIVERS 2,938 ft-216 ft
QUEEN 3,635 ft-913 ft
GRAYBURG 4,100 ft-1,378 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,715 ft-2,993 ft
CLEARFORK (Clear Fork)6,668 ft-3,946 ft
SPRABERRY 7,499 ft-4,777 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 ↗

Perforations (1)

IntervalType
9,284–19,305 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,555 ft1,650 sx
9.625"5,977 ft1,640 sx
5.5"19,334 ft950 sx

Permit History (1)

Applications (1)

#870801 A PIONEER NATURAL RES. USA, INC.
received 2021-06-25

Records & Logs

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

W-2/G-1 2022-04-18
W-2/G-1 2022-03-10 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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MIDLAND County.

Well Details

Well Number
4211H
Max Depth
10,553 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2022-02-26

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
15,400