42-329-44115

SHUT IN Horizontal

JW A

MIDLAND County · District 8 · DISCOVERY OPERATING INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

10,500 ft

First Permit

2020-03-31

Latest Activity

2020-03-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-12-17

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-12

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 2,822 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,795 ft+27 ft
SEVEN RIVERS 2,986 ft-164 ft
QUEEN 3,728 ft-906 ft
GRAYBURG 4,062 ft-1,240 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,470 ft-1,648 ft
GLORIETA 4,958 ft-2,136 ft
CLEARFORK (Clear Fork)6,960 ft-4,138 ft
SPRABERRY 7,826 ft-5,004 ft
RUSTLER
SANTA ROSA

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
42-329-44114 JW A · DISCOVERY OPERATING, INC.
0.0 mi
Yates 2,781'Seven Rivers 2,948'Queen 3,692'Grayburg 4,189'San Andres 4,441'Glorieta 4,958'Clear Fork 6,959'Spraberry 7,810'Santa Rosa Rustler
42-329-44126 JW B · DISCOVERY OPERATING, INC.
0.0 mi
Yates 2,795'Seven Rivers 2,986'Queen 3,728'Grayburg 4,062'San Andres 4,470'Glorieta 4,958'Clear Fork 6,957'Spraberry 7,811'Santa Rosa Rustler
42-329-44127 JW B · DISCOVERY OPERATING, INC.
0.0 mi
Yates 2,777'Seven Rivers 2,954'Queen 3,699'Grayburg 4,192'San Andres 4,441'Glorieta 4,945'Clear Fork 6,955'Spraberry 7,809'Rustler Santa Rosa
42-329-44705 JW B · DISCOVERY OPERATING, INC.
0.2 mi
Yates 2,783'Seven Rivers 2,982'Clear Fork 3,254'Queen 3,729'Grayburg 4,060'San Andres 4,446'Glorieta 5,003'Spraberry 7,822'Santa Rosa Rustler
42-329-44706 JW C · DISCOVERY OPERATING, INC.
0.2 mi
Yates 2,781'Seven Rivers 2,969'Queen 3,729'Grayburg 4,052'San Andres 4,455'Glorieta 4,998'Clear Fork 6,959'Spraberry 7,823'Santa Rosa Rustler
42-329-44707 JW C · DISCOVERY OPERATING, INC.
0.2 mi
Yates 2,794'Seven Rivers 2,942'Queen 3,690'Grayburg 4,200'San Andres 4,321'Glorieta 5,783'Clear Fork 6,940'Spraberry 7,796'Spraberry 9,166'Wolfcamp Santa Rosa Canyon +2 more
42-329-44708 JW C · DISCOVERY OPERATING, INC.
0.2 mi
Yates 2,774'Seven Rivers 2,949'Queen 3,698'Grayburg 4,198'San Andres 4,340'Glorieta 5,790'Clear Fork 6,952'Spraberry 7,805'Santa Rosa Rustler
42-329-46247 JW D · DISCOVERY OPERATING, INC.
0.5 mi
Santa Rosa 945'Rustler 1,771'Yates 2,814'Seven Rivers 2,982'Queen 3,730'Grayburg 4,156'San Andres 4,338'Glorieta 5,994'Clear Fork 6,951'Spraberry 7,814'

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
9,112–18,961 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"451 ft470 sx
9.625"9,011 ft2,265 sx
5.5"19,056 ft1,620 sx

Permit History (1)

Applications (1)

#862231 A DISCOVERY OPERATING, INC.
received 2020-02-25

Records & Logs

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

W-2/G-1 2021-04-19 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 31.840188
Lon -102.064134

Well Details

Well Number
440LS
Max Depth
10,500 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-12-17

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-03-31)
Cum Oil (all leases)
41,497,911 bbl
Cum Gas (all leases)
33,774,384 mcf
Activities
GTHS/G, OPRS/G, OPRS/O
Total Permits
712