42-329-46620

PRODUCING Horizontal

ELKIN 21W

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

Permits

2

Max Depth

9,363 ft

First Permit

2023-11-13

Latest Activity

2023-11-13

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-09-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-01

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 (11) Elevation 2,842 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,300 ft+1,542 ft
SANTA ROSA 1,527 ft+1,315 ft
RUSTLER 1,798 ft+1,044 ft
YATES 2,763 ft+79 ft
SEVEN RIVERS 3,039 ft-197 ft
QUEEN 3,726 ft-884 ft
GRAYBURG 4,237 ft-1,395 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,438 ft-1,596 ft
CLEARFORK (Clear Fork)6,811 ft-3,969 ft
SPRABERRY 7,689 ft-4,847 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
42-329-46621 ELKIN 21X · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,300'Santa Rosa 1,527'Rustler 1,799'Yates 2,760'Seven Rivers 3,041'Queen 3,725'Grayburg 4,229'San Andres 4,429'Clear Fork 6,802'Spraberry 7,683'Spraberry 8,223'Glorieta
42-329-46619 ELKIN 21V · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,527'Rustler 1,801'Yates 2,768'Seven Rivers 3,044'Queen 3,732'Grayburg 4,228'San Andres 4,430'Clear Fork 6,800'Spraberry 7,685'Rustler 18,016'Glorieta
42-329-46628 ELKIN 21U · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,300'Santa Rosa 1,527'Rustler 1,800'Yates 2,766'Seven Rivers 3,037'Queen 3,724'Grayburg 4,235'San Andres 4,427'Clear Fork 6,800'Spraberry 7,693'Glorieta
42-329-46622 ELKIN 21Y · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,300'Rustler 1,797'Yates 2,753'Seven Rivers 3,036'Queen 3,719'Grayburg 4,229'San Andres 4,422'Clear Fork 6,797'Spraberry 7,689'Glorieta
42-329-46618 ELKIN 21T · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,300'Rustler 1,802'Yates 2,769'Seven Rivers 3,043'Queen 3,723'Grayburg 4,231'San Andres 4,423'Clear Fork 6,795'Spraberry 7,687'Glorieta
42-329-46627 ELKIN 21O · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 1,288'Rustler 1,820'Yates 2,743'Seven Rivers 3,022'Queen 3,705'Grayburg 4,245'San Andres 4,430'Clear Fork 6,788'Spraberry 7,684'Glorieta
42-329-46617 ELKIN 21N · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 1,515'Rustler 1,817'Yates 2,743'Seven Rivers 3,022'Queen 3,707'Grayburg 4,254'San Andres 4,444'Clear Fork 6,793'Spraberry 7,690'Glorieta
42-329-46616 ELKIN 21M · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 1,288'Santa Rosa 1,515'Rustler 1,812'Yates 2,755'Seven Rivers 3,032'Queen 3,721'Grayburg 4,253'San Andres 4,440'Clear Fork 6,790'Spraberry 7,695'Glorieta

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
8,158–21,605 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,776 ft1,950 sx
9.625"6,003 ft1,735 sx
5.5"21,668 ft2,975 sx

Permit History (2)

Applications (2)

#894336 A PIONEER NATURAL RES. USA, INC.
received 2024-05-01
#894336 A PIONEER NATURAL RES. USA, INC.
received 2023-10-05

Records & Logs

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

W-2/G-1 2025-01-19
W-2/G-1 2024-03-08 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 32.068146
Lon -102.017368

Well Details

Well Number
23H
Max Depth
9,363 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2024-09-22

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
15,399