42-329-42102

PRODUCING Horizontal

CLARK 4

MIDLAND County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA) R 40 EXC

Permits

2

Max Depth

10,500 ft

First Permit

2018-01-19

Latest Activity

2018-01-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-08-23

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: LARIO OIL & GAS COMPANY

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-08

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 2,770 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 998 ft+1,772 ft
YATES 2,554 ft+216 ft
SEVEN RIVERS 2,573 ft+197 ft
QUEEN 3,372 ft-602 ft
GRAYBURG 4,148 ft-1,378 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,457 ft-1,687 ft
GLORIETA 5,653 ft-2,883 ft
CLEARFORK (Clear Fork)6,481 ft-3,711 ft
SPRABERRY 7,343 ft-4,573 ft
DEAN 8,755 ft-5,985 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
42-329-43125 CLARK 7 · LARIO OIL & GAS COMPANY
0.0 mi
Santa Rosa 998'Yates 2,553'Seven Rivers 2,864'Queen 3,764'Grayburg 4,181'San Andres 4,442'Glorieta 5,652'Clear Fork 6,473'Spraberry 7,342'Spraberry
42-329-41722 CLARK · LARIO OIL & GAS COMPANY
0.0 mi
Santa Rosa 1,016'Yates 2,547'Queen 3,754'Grayburg 4,269'San Andres 4,372'Clear Fork 6,474'Spraberry 7,338'Dean 8,747'Glorieta Seven Rivers
42-329-42281 CLARK 5 · LARIO OIL & GAS COMPANY
0.0 mi
Santa Rosa 998'Yates 2,548'Seven Rivers 2,567'Queen 3,374'Grayburg 4,181'San Andres 4,456'Glorieta 5,656'Clear Fork 6,481'Spraberry 7,338'Dean 8,755'
42-329-43126 CLARK 8 · LARIO OIL & GAS COMPANY
0.0 mi
Santa Rosa 998'Yates 2,554'Seven Rivers 2,887'Queen 3,760'Grayburg 4,176'San Andres 4,440'Glorieta 5,707'Clear Fork 6,530'Spraberry 7,339'Dean 8,754'
42-329-42388 CLARK 6 · LARIO OIL & GAS COMPANY
0.7 mi
Santa Rosa 997'Yates 2,544'Seven Rivers 2,852'Queen 3,743'Grayburg 4,212'San Andres 4,412'Glorieta 5,605'Clear Fork 6,448'Spraberry 7,296'Spraberry
42-329-42011 CLARK 2 · LARIO OIL & GAS COMPANY
0.7 mi
Santa Rosa 997'Yates 2,503'Seven Rivers 2,518'Queen 3,736'Grayburg 4,132'San Andres 4,398'Glorieta 5,596'Clear Fork 6,444'Spraberry 7,308'Dean 8,729'
42-329-42297 CLARK 3 · LARIO OIL & GAS COMPANY
0.7 mi
Santa Rosa 997'Yates 2,544'Seven Rivers 2,855'Queen 3,744'Grayburg 4,209'San Andres 4,413'Glorieta 5,602'Clear Fork 6,453'Spraberry 7,311'Dean 8,724'Spraberry
42-329-43527 SHACKELFORD 14A · PIONEER NATURAL RES. USA, INC.
1.0 mi
Santa Rosa 1,035'Santa Rosa 1,050'Rustler 1,649'Yates 2,551'Yates 2,552'Seven Rivers 2,857'Seven Rivers 2,861'Queen 3,475'Queen 3,476'Grayburg 4,005'Grayburg 4,137'San Andres 4,279' +7 more

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
10,668–20,687 ftOpen hole

Casing (3)

SizeSet DepthCement
13.375"1,650 ft1,330 sx
9.625"9,795 ft985 sx
5.5"20,758 ft3,925 sx

Permit History (2)

Applications (2)

#833125 A LARIO OIL & GAS COMPANY
received 2018-05-15
#833125 A LARIO OIL & GAS COMPANY
received 2017-11-13

Records & Logs

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

W-2/G-1 2020-01-08 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 31.728692
Lon -101.885947

Well Details

Well Number
402
Max Depth
10,500 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2018-08-23

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-05-04)
Cum Oil (all leases)
986,290,193 bbl
Cum Gas (all leases)
41,995,553 mcf
Activities
GTHS/C, GTHS/O, OPRS/G, OPRS/O
Total Permits
4,977