42-329-41790

Final Completion Horizontal

MIDKIFF W12A

MIDLAND County · District 8 · PIONEER NATURAL RES. USA, INC.

Permits

3

Max Depth

11,000 ft

First Permit

2017-06-30

Latest Activity

2022-02-17

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-09

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 2,753 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,213 ft+1,540 ft
YATES 2,488 ft+265 ft
SEVEN RIVERS 2,796 ft-43 ft
QUEEN 3,503 ft-750 ft
GRAYBURG 3,971 ft-1,218 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,105 ft-1,352 ft
CLEARFORK (Clear Fork)6,296 ft-3,543 ft
SPRABERRY 7,181 ft-4,428 ft
GLORIETA
RUSTLER

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
42-329-41791 MIDKIFF W1B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,213'Yates 2,481'Seven Rivers 2,798'Queen 3,503'Grayburg 3,972'San Andres 4,107'Clear Fork 6,288'Spraberry 7,174'Rustler Glorieta
42-329-41793 MIDKIFF W1C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,213'Yates 2,481'Seven Rivers 2,798'Queen 3,503'Grayburg 3,972'San Andres 4,107'Clear Fork 6,288'Spraberry 7,174'Glorieta Rustler
42-329-45420 MIDKIFF UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,220'Yates 1,626'Seven Rivers 2,802'Queen 3,503'Grayburg 3,976'San Andres 4,116'Clear Fork 6,301'Spraberry 7,194'Glorieta Rustler
42-329-45421 MIDKIFF UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,220'Yates 2,486'Seven Rivers 2,798'Queen 3,498'Grayburg 3,967'San Andres 4,103'Clear Fork 6,295'Spraberry 7,188'Glorieta Rustler
42-329-45422 MIDKIFF UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,220'Yates 2,477'Seven Rivers 2,793'Queen 3,487'Grayburg 3,960'San Andres 4,106'Clear Fork 6,290'Spraberry Glorieta Rustler
42-329-44314 MIDKIFF 12 · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 1,172'Yates 2,453'Seven Rivers 2,757'Queen 3,464'Grayburg 4,013'San Andres 4,131'Clear Fork 6,269'Spraberry 7,155'Glorieta Rustler
42-329-41794 MIDKIFF W1D · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 1,221'Yates 2,486'Seven Rivers 2,805'Queen 3,496'Grayburg 3,972'San Andres 4,118'Clear Fork 6,308'Spraberry 7,209'Spraberry 8,589'Wolfcamp 8,783'Rustler Glorieta
42-329-41795 MIDKIFF W1E · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 1,221'Yates 2,470'Seven Rivers 2,761'Queen 3,466'Grayburg 3,992'San Andres 4,140'Clear Fork 6,265'Spraberry 7,142'Rustler 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
9,318–22,099 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,444 ft1,500 sx
9.625"5,672 ft3,415 sx
5.5"22,124 ft728 sx

Permit History (3)

Applications (3)

#876741 A PIONEER NATURAL RES. USA, INC.
received 2022-02-03
#861441 A PIONEER NATURAL RES. USA, INC.
received 2020-01-29
#827988 A PIONEER NATURAL RES. USA, INC.
received 2017-06-20

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2022-11-09 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 31.657913
Lon -101.843749

Well Details

Well Number
1H
Max Depth
11,000 ft
Drill Type
Horizontal
County
MIDLAND
District
8

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