42-173-39278

PRODUCING Horizontal

CALVERLEY-MCDANIELS 23B

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

Permits

1

Max Depth

10,294 ft

First Permit

2025-03-27

Latest Activity

2025-03-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-12-09

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-07

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 2,740 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 653 ft+2,087 ft
RUSTLER 1,400 ft+1,340 ft
YATES 2,204 ft+536 ft
SEVEN RIVERS 2,486 ft+254 ft
QUEEN 2,992 ft-252 ft
GRAYBURG 3,464 ft-724 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,710 ft-970 ft
CLEARFORK (Clear Fork)5,628 ft-2,888 ft
SPRABERRY 6,784 ft-4,044 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
42-173-39277 CALVERLEY-MCDANIELS 23A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 647'Santa Rosa 653'Rustler 1,407'Rustler 1,408'Yates 2,199'Seven Rivers 2,479'Queen 2,988'Grayburg 3,458'San Andres 3,711'San Andres 3,712'Clear Fork 5,632'Spraberry 6,784' +2 more
42-173-39279 CALVERLEY-MCDANIELS 23C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 653'Rustler 1,400'Yates 2,201'Seven Rivers 2,488'Queen 2,980'Grayburg 3,452'San Andres 3,697'Clear Fork 5,622'Spraberry 6,778'Glorieta
42-173-39280 CALVERLEY-MCDANIELS 23D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 652'Santa Rosa 653'Rustler 1,400'Rustler 1,401'Yates 2,200'Seven Rivers 2,480'Queen 2,978'Grayburg 3,450'San Andres 3,691'Clear Fork 5,623'Spraberry 6,773'Spraberry 6,774' +1 more
42-173-39281 CALVERLEY-MCDANIELS 23E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 652'Santa Rosa 653'Rustler 1,402'Yates 2,200'Yates 2,201'Seven Rivers 2,485'Queen 2,984'Grayburg 3,447'Grayburg 3,448'San Andres 3,688'San Andres 4,693'Clear Fork 5,622' +2 more
42-173-39282 CALVERLEY-MCDANIELS 23F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 652'Santa Rosa 653'Rustler 1,400'Yates 2,196'Seven Rivers 2,481'Queen 2,982'Grayburg 3,435'Grayburg 3,436'San Andres 3,712'Clear Fork 5,620'Clear Fork 5,621'Spraberry 6,770' +1 more
42-173-39283 CALVERLEY-MCDANIELS 26G · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 642'Rustler 1,195'Yates 2,182'Seven Rivers 2,466'Queen 2,955'Grayburg 3,421'San Andres 3,707'Clear Fork 5,598'Spraberry 6,746'Glorieta
42-173-39284 CALVERLEY-MCDANIELS 26H · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 642'Rustler 1,195'Yates 2,180'Seven Rivers 2,463'Queen 2,954'Grayburg 3,419'Grayburg 3,420'San Andres 3,707'San Andres 3,708'Clear Fork 5,578'Clear Fork 5,579'Spraberry 6,724' +1 more
42-173-39285 CALVERLEY-MCDANIELS 26I · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 642'Rustler 1,195'Yates 2,182'Seven Rivers 2,463'Queen 2,958'Grayburg 3,423'San Andres 3,717'Clear Fork 5,568'Spraberry 6,737'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
10,314–25,939 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,053 ft1,300 sx
9.625"5,165 ft1,218 sx
5.5"25,958 ft1,564 sx

Permit History (1)

Applications (1)

#906920 A PIONEER NATURAL RES. USA, INC.
received 2025-03-25

Records & Logs

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

W-2/G-1 2026-02-12
W-2/G-1 2025-10-29 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 31.776404
Lon -101.686700

Well Details

Well Number
302H
Max Depth
10,294 ft
Drill Type
Horizontal
County
GLASSCOCK
District
8
Completed
2025-12-09

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
15,399