42-329-46618

PRODUCING Horizontal

ELKIN 21T

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

Permits

3

Max Depth

10,534 ft

First Permit

2023-11-13

Latest Activity

2023-11-13

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-09-23

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-03

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 2,842 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,300 ft+1,542 ft
RUSTLER 1,802 ft+1,040 ft
YATES 2,769 ft+73 ft
SEVEN RIVERS 3,043 ft-201 ft
QUEEN 3,723 ft-881 ft
GRAYBURG 4,231 ft-1,389 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,423 ft-1,581 ft
CLEARFORK (Clear Fork)6,795 ft-3,953 ft
SPRABERRY 7,687 ft-4,845 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
42-329-46628 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
42-329-46619 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
42-329-46620 ELKIN 21W · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,300'Santa Rosa 1,527'Rustler 1,798'Yates 2,763'Seven Rivers 3,039'Queen 3,726'Grayburg 4,237'San Andres 4,438'Clear Fork 6,811'Spraberry 7,689'Glorieta
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
42-329-46622 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
42-329-46627 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
9,884–23,331 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,799 ft1,950 sx
9.625"5,971 ft1,695 sx
5.5"23,356 ft1,300 sx

Permit History (3)

Applications (3)

#894332 A PIONEER NATURAL RES. USA, INC.
received 2024-05-01
#894332 A PIONEER NATURAL RES. USA, INC.
received 2023-12-05
#894332 A PIONEER NATURAL RES. USA, INC.
received 2023-10-05

Records & Logs

2 completion filings on record.

W-2/G-1 2024-12-04
W-2/G-1 2024-05-15

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 32.068105
Lon -102.017555

Well Details

Well Number
20H
Max Depth
10,534 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2024-09-23

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