42-317-44966

PRODUCING Horizontal

ROBB-STONE E34B

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

Permits

1

Max Depth

9,926 ft

First Permit

2023-01-05

Latest Activity

2023-01-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-01-12

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-01

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 (11) Elevation 2,586 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 926 ft+1,660 ft
YATES 1,997 ft+589 ft
QUEEN 2,818 ft-232 ft
GRAYBURG 3,216 ft-630 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,458 ft-872 ft
CLEARFORK (Clear Fork)5,541 ft-2,955 ft
SPRABERRY 6,634 ft-4,048 ft
DEAN 7,934 ft-5,348 ft
WOLFCAMP 8,095 ft-5,509 ft
CISCO
PENNSYLVANIAN

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
42-317-44967 ROBB-STONE E34C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 926'Yates 2,005'Queen 2,818'Grayburg 3,215'San Andres 3,456'Clear Fork 5,539'Spraberry 6,623'Dean 7,927'Wolfcamp 8,084'Pennsylvanian Cisco
42-317-44965 ROBB-STONE E34A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 926'Yates 1,994'Queen 2,820'Grayburg 3,230'San Andres 3,456'Clear Fork 5,548'Spraberry 6,642'Dean 7,944'Wolfcamp 8,111'Pennsylvanian Cisco
42-317-44835 ROBB-STONE W34F · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 912'Yates 2,009'Queen 2,820'Grayburg 3,210'San Andres 3,445'Spraberry 6,659'Dean 7,942'Wolfcamp 8,114'Cisco Pennsylvanian
42-317-44834 ROBB-STONE W34D · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 912'Yates 2,014'Queen 2,818'Grayburg 3,210'San Andres 3,445'Spraberry 6,661'Dean 7,946'Wolfcamp 8,106'Pennsylvanian Cisco
42-317-44833 ROBB-STONE W34B · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 912'Yates 2,017'Queen 2,832'Grayburg 3,224'San Andres 3,460'Clear Fork 5,620'Spraberry 6,678'Dean 7,946'Wolfcamp 8,107'Cisco Pennsylvanian
42-227-41345 GEM STONE 35 · CROWNQUEST OPERATING, LLC
0.9 mi
Rustler 1,195'Yates 1,955'San Andres 3,659'Glorieta 4,538'Clear Fork 5,476'Spraberry 6,562'Dean 7,811'Santa Rosa Seven Rivers Leonard
42-227-35904 BARNETT · WTG EXPLORATION
1.1 mi
Spraberry 9,162'Spraberry 9,162'Mississippian 9,762'SILURO-DEVONIAN 10,527'Wristen 10,675'Fusselman 10,685'Fusselman 10,685'Fusselman 10,730'
42-227-41921 LULO 3661BP · OXY USA INC.
1.4 mi
Rustler 1,206'Yates 1,947'Seven Rivers 2,151'San Andres 3,650'Clear Fork 5,421'Spraberry 6,514'Dean 7,777'Santa Rosa Glorieta Leonard

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
8,407–23,688 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"1,168 ft1,500 sx
9.625"3,934 ft1,840 sx
9.625"5,649 ft1,840 sx
5.5"23,709 ft3,690 sx

Permit History (1)

Applications (1)

#886806 A PIONEER NATURAL RES. USA, INC.
received 2022-12-22

Records & Logs

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

W-2/G-1 2024-03-13
W-2/G-1 2024-02-09 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Lat 32.117148
Lon -101.699087

Well Details

Well Number
2H
Max Depth
9,926 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2024-01-12

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