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42-329-36687

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MCALISTER 31B

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

Permits

4

Max Depth

12,000 ft

First Permit

2010-07-06

Latest Activity

2018-08-14

Lifespan

8 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-11-02

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: scheduling → PIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2010-11

Last Production

2026-07

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2010-2018→ DE3 OPERATING LLC 2018-2021→ PIONEER NATURAL RES. USA, INC. 2022-2022

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →

Formation Tops (6) Elevation 2,743 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,450 ft-4,707 ft
SPRABERRY (TREND AREA) (Spraberry)7,450 ft-4,707 ft
STRAWN 10,350 ft-7,607 ft
BEND 10,525 ft-7,782 ft
ATOKA 10,625 ft-7,882 ft
ATOKA 10,750 ft-8,007 ft

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
✓ 42-329-44422 HIGH SKY O 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Rustler 1,775'Yates 2,614'Seven Rivers 2,824'Queen 3,466'Grayburg 4,018'San Andres 4,253'Glorieta 5,139'Clear Fork 6,605'Spraberry 7,440'
✓ 42-329-44421 HIGH SKY O 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Rustler 1,774'Yates 2,617'Seven Rivers 2,827'Queen 3,470'Grayburg 4,020'San Andres 4,257'Glorieta 5,136'Clear Fork 6,607'Spraberry 7,443'
✓ 42-329-44423 HIGH SKY N 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Rustler 1,776'Yates 2,612'Seven Rivers 2,826'Queen 3,468'Grayburg 4,019'San Andres 4,256'Glorieta 5,150'Clear Fork 6,609'Spraberry 7,448'
✓ 42-329-44425 HIGH SKY M 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Rustler 1,774'Yates 2,615'Seven Rivers 2,828'Queen 3,472'Grayburg 4,023'San Andres 4,261'Glorieta 5,171'Clear Fork 6,615'Spraberry 7,454'
✓ 42-329-44424 HIGH SKY M 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Rustler 1,771'Yates 2,617'Seven Rivers 2,829'Queen 3,471'Grayburg 4,025'San Andres 4,262'Glorieta 5,170'Clear Fork 6,611'Spraberry 7,451'PRECAMBRIAN (UNDIFFERENTIATED) —CAMBRIAN —
✓ 42-329-44426 HIGH SKY K 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Rustler 1,772'Yates 2,615'Seven Rivers 2,830'Queen 3,471'Grayburg 4,024'San Andres 4,263'Glorieta 5,168'Clear Fork 6,616'Spraberry 7,457'
✓ 42-329-43263 HIGH SKY N 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Seven Rivers 1,300'Yates 2,576'Queen 3,443'Grayburg 4,063'San Andres 4,257'Glorieta 5,152'Clear Fork 6,612'Spraberry 7,451'Spraberry 7,541'Spraberry —
✓ 42-329-43262 HIGH SKY O 42-43 · DE3 OPERATING LLC
0.1 mi
Santa Rosa 1,000'Seven Rivers 1,300'Yates 2,566'Queen 3,431'Grayburg 4,051'San Andres 4,249'Glorieta 5,142'Clear Fork 6,607'Spraberry 7,443'Spraberry —

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 (2)

IntervalType
7,475–10,466 ftPerforated
7,475–10,912 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"304 ft340 sx
8.625"5,149 ft575 sx
5.5"11,035 ft1,195 sx

Permit History (4)

#842522 Recompletion Final Completion

MCALISTER '31B' · 11,037 ft

2018-08-14

Spud 2010-10-26

#717723 Recompletion

MCALISTER "31B" · 11,037 ft

2011-07-08

#717723 Recompletion Final Completion

MCALISTER '31B' · 11,037 ft

2011-07-08

Spud 2010-08-02

#698018 Drill Final Completion

MCALISTER "31B" · 12,000 ft

2010-07-06

Spud 2010-08-02

Applications (4)

#842522 A ENDEAVOR ENERGY RESOURCES L.P.
received 2018-07-17
#717723 A ENDEAVOR ENERGY RESOURCES L.P.
received 2011-07-18
#717723 A ENDEAVOR ENERGY RESOURCES L.P.
received 2011-06-03
#698018 A ENDEAVOR ENERGY RESOURCES L.P.
received 2010-06-23

Records & Logs

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

W-2/G-1 2018-08-15
W-2/G-1 2010-11-11 log on file
Completion packets + logs ↗ Wellbore filings ↗

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.

Google Maps → Explorer Map →
Lat 32.048188
Lon -101.939544

Well Details

Well Number
1
Max Depth
12,000 ft
Drill Type
Vertical
County
MIDLAND
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2010-11-02

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
15,401