42-329-45934

PRODUCING Horizontal

CASS-COUNTISS 20M

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

Permits

2

Max Depth

10,391 ft

First Permit

2022-10-14

Latest Activity

2022-10-14

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-01-11

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-05

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 2,845 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,147 ft+1,698 ft
RUSTLER 1,737 ft+1,108 ft
YATES 2,799 ft+46 ft
SEVEN RIVERS 3,136 ft-291 ft
QUEEN 3,915 ft-1,070 ft
GRAYBURG 4,428 ft-1,583 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,617 ft-1,772 ft
CLEARFORK (Clear Fork)7,024 ft-4,179 ft
SPRABERRY 7,878 ft-5,033 ft
GLORIETA

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
42-329-45935 CASS-COUNTISS 20N · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,147'Rustler 1,737'Yates 2,790'Seven Rivers 3,113'Queen 3,913'Grayburg 4,428'San Andres 4,615'Clear Fork 7,020'Spraberry 7,867'Glorieta
42-329-45933 CASS-COUNTISS 20L · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,147'Rustler 1,737'Yates 2,787'Seven Rivers 3,117'Queen 3,907'Grayburg 4,428'San Andres 4,613'Clear Fork 7,026'Spraberry 7,870'Glorieta
42-329-45931 CASS-COUNTISS 20J · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,147'Rustler 1,737'Yates 2,789'Seven Rivers 3,115'Queen 3,908'Grayburg 4,433'San Andres 4,625'Clear Fork 7,023'Spraberry 7,867'Glorieta
42-329-45932 CASS-COUNTISS 20K · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,147'Rustler 1,737'Yates 2,796'Seven Rivers 3,129'Queen 3,911'Grayburg 4,435'San Andres 4,632'Clear Fork 7,017'Spraberry 7,869'Glorieta
42-329-45926 CASS-COUNTISS 20C · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,151'Rustler 1,741'Yates 2,801'Seven Rivers 3,113'Seven Rivers 3,133'Queen 3,916'Grayburg 4,443'San Andres 4,644'Clear Fork 7,022'Spraberry 7,862'Spraberry 7,865'Glorieta
42-329-45927 CASS-COUNTISS 20D · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,151'Rustler 1,741'Yates 2,796'Seven Rivers 3,112'Queen 3,920'Grayburg 4,445'San Andres 4,641'Clear Fork 7,017'Spraberry 7,863'Glorieta
42-329-45928 CASS-COUNTISS 20E · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,151'Rustler 1,741'Yates 2,797'Seven Rivers 3,114'Queen 3,915'Grayburg 4,442'San Andres 4,638'Clear Fork 7,018'Spraberry 7,867'Mississippian Devonian Pennsylvanian +6 more
42-329-45929 CASS-COUNTISS 20F · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,151'Rustler 1,741'Yates 2,795'Seven Rivers 3,121'Queen 3,911'Grayburg 4,441'San Andres 4,637'Clear Fork 7,022'Spraberry 7,865'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
9,143–19,422 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,599 ft1,800 sx
9.625"6,200 ft1,465 sx
5.5"19,447 ft905 sx

Permit History (2)

Applications (2)

#883906 A PIONEER NATURAL RES. USA, INC.
received 2022-12-08
#883906 A PIONEER NATURAL RES. USA, INC.
received 2022-09-13

Records & Logs

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

W-2/G-1 2024-04-08
W-2/G-1 2023-10-18 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 31.930871
Lon -102.110493

Well Details

Well Number
13H
Max Depth
10,391 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2024-01-11

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
15,400