42-329-46615

PRODUCING Horizontal

ELKIN 21L

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

Permits

2

Max Depth

10,534 ft

First Permit

2023-11-13

Latest Activity

2023-11-13

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-09-14

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 2,830 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,288 ft+1,542 ft
RUSTLER 1,811 ft+1,019 ft
YATES 2,747 ft+83 ft
SEVEN RIVERS 3,020 ft-190 ft
QUEEN 3,717 ft-887 ft
GRAYBURG 4,243 ft-1,413 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,426 ft-1,596 ft
CLEARFORK (Clear Fork)6,818 ft-3,988 ft
SPRABERRY 7,694 ft-4,864 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
42-329-46616 ELKIN 21M · PIONEER NATURAL RES. USA, INC.
0.0 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
42-329-46617 ELKIN 21N · PIONEER NATURAL RES. USA, INC.
0.0 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
42-329-46627 ELKIN 21O · PIONEER NATURAL RES. USA, INC.
0.0 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
42-329-47489 TREDAWAY-ELKIN 21T · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,287'Rustler 1,813'Yates 2,763'Seven Rivers 3,029'Queen 3,730'Grayburg 4,257'San Andres 4,439'Clear Fork 6,805'Spraberry 7,706'Glorieta
42-329-47488 TREDAWAY-ELKIN 21S · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,287'Rustler 1,814'Yates 2,754'Seven Rivers 3,031'Queen 3,705'Grayburg 4,255'San Andres 4,440'Clear Fork 6,805'Spraberry 7,693'Glorieta
42-329-47487 TREDAWAY-ELKIN 21R · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,287'Rustler 1,814'Yates 2,756'Seven Rivers 3,036'Queen 3,709'Grayburg 4,256'San Andres 4,438'Clear Fork 6,809'Spraberry 7,694'Glorieta
42-329-47490 TREDAWAY-ELKIN 21Q · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,287'Rustler 1,810'Yates 2,754'Seven Rivers 3,024'Queen 3,706'Grayburg 4,259'San Andres 4,444'Clear Fork 6,808'Spraberry 7,695'Glorieta
42-329-47486 TREDAWAY-ELKIN 21P · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,287'Rustler 1,809'Yates 2,749'Seven Rivers 3,032'Queen 3,708'Grayburg 4,251'San Andres 4,435'Clear Fork 6,805'Spraberry 7,697'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
9,894–22,413 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,747 ft1,950 sx
9.625"6,136 ft1,285 sx
5.5"22,438 ft1,245 sx

Permit History (2)

Applications (2)

#894325 A PIONEER NATURAL RES. USA, INC.
received 2023-12-05
#894325 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 2024-11-25
W-2/G-1 2024-05-08 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 32.063968
Lon -102.024874

Well Details

Well Number
12H
Max Depth
10,534 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2024-09-14

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
15,399