← Wells

42-329-36686

PRODUCING

MCALISTER 31A

MIDLAND County · District 8 · WATUSI ENERGY LLC · SPRABERRY (TREND AREA)

Permits

4

Max Depth

12,000 ft

First Permit

2010-06-24

Latest Activity

2018-07-18

Lifespan

8 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-10-18

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: WATUSI ENERGY LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: production → WATUSI ENERGY LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2010-10

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. 2021-2025→ WATUSI ENERGY LLC 2025-2026

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 2,751 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,450 ft-4,699 ft
SPRABERRY (TREND AREA) (Spraberry)7,450 ft-4,699 ft
STRAWN 10,325 ft-7,574 ft
BEND 10,500 ft-7,749 ft
ATOKA 10,600 ft-7,849 ft
ATOKA 10,650 ft-7,899 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
✓ 42-329-36687 MCALISTER '31B' · ENDEAVOR ENERGY RESOURCES L.P.
0.4 mi
Spraberry 7,450'Spraberry 7,450'Strawn 10,350'Bend 10,525'Atoka 10,625'Atoka 10,750'
✓ 42-329-44148 WAPITI SWD · DOUBLE DROP SWD, LLC
0.4 mi
Santa Rosa 1,705'Rustler 1,913'Seven Rivers 3,220'Yates 3,600'Queen 3,700'Grayburg 3,800'San Andres 4,020'Glorieta —Spraberry —Clear Fork —
✓ 42-329-44422 HIGH SKY O 42-43 · DE3 OPERATING LLC
0.5 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
0.5 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
0.5 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
0.5 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'
✓ 42-329-44426 HIGH SKY K 42-43 · DE3 OPERATING LLC
0.5 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'
✓ 42-329-44424 HIGH SKY M 42-43 · DE3 OPERATING LLC
0.5 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 —

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
7,484–10,444 ftPerforated
7,484–10,912 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"301 ft350 sx
8.625"5,182 ft575 sx
5.5"11,035 ft1,215 sx

Permit History (4)

#842514 Recompletion Final Completion

MCALISTER '31A' · 11,001 ft

2018-07-18

Spud 2010-10-12

#719632 Recompletion Final Completion

MCALISTER '31A' · 10,912 ft

2011-07-07

Spud 2010-07-09

#719632 Recompletion

MCALISTER "31A" · 10,912 ft

2011-07-07

#698016 Drill Final Completion

MCALISTER '31A' · 12,000 ft

2010-06-24

Spud 2010-07-09

Applications (4)

#842514 A ENDEAVOR ENERGY RESOURCES L.P.
received 2018-07-17
#719632 A ENDEAVOR ENERGY RESOURCES L.P.
received 2011-10-06
#719632 A ENDEAVOR ENERGY RESOURCES L.P.
received 2011-07-05
#698016 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 2018-07-30
W-2/G-1 2010-11-12 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 32.053344
Lon -101.941152

Well Details

Well Number
1
Max Depth
12,000 ft
Drill Type
Vertical
County
MIDLAND
District
8
Operator
WATUSI ENERGY LLC
Completed
2010-10-18

Operator

Location
MIDLAND
P-5 Status
Active (filed 2025-08-18)
Cum Oil (all leases)
177,424 bbl
Cum Gas (all leases)
19,712 mcf
Activities
OPRS/O
Total Permits
1