42-329-41767

PRODUCING Horizontal

OBRIEN-BRUNSON 43A

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

Permits

1

Max Depth

10,600 ft

First Permit

2017-07-18

Latest Activity

2017-07-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-01-16

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-01

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 (12) Elevation 2,638 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 1 ft+2,637 ft
SEVEN RIVERS 1 ft+2,637 ft
SANTA ROSA 839 ft+1,799 ft
YATES 2,285 ft+353 ft
SEVEN RIVERS 2,477 ft+161 ft
QUEEN 3,155 ft-517 ft
GRAYBURG 3,581 ft-943 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,853 ft-1,215 ft
CLEARFORK (Clear Fork)5,992 ft-3,354 ft
SPRABERRY 6,979 ft-4,341 ft
SPRABERRY UPPER-DEAN (Spraberry)8,307 ft-5,669 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
42-329-41743 BOONE-BRUNSON 43B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 842'Yates 2,288'Seven Rivers 2,480'Queen 3,128'Grayburg 3,571'San Andres 3,840'Clear Fork 5,981'Spraberry 6,978'Spraberry 8,313'Glorieta
42-329-47498 BOONE 44A · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 1,102'Rustler 1,434'Yates 2,261'Seven Rivers 2,507'Queen 3,167'Grayburg 3,561'San Andres 3,741'Clear Fork 5,955'Spraberry 6,978'Glorieta
42-329-47499 BOONE 44B · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 1,100'Rustler 1,300'Rustler 1,433'Yates 2,261'Seven Rivers 2,504'Queen 3,162'Grayburg 3,549'San Andres 3,730'Clear Fork 5,893'Spraberry 6,953'Glorieta
42-329-45971 BOONE-COFFEE 10 · VENCER ENERGY, LLC
0.5 mi
Santa Rosa 745'Rustler 1,495'Yates 2,204'Seven Rivers 2,572'Queen 3,066'Grayburg 3,294'San Andres 3,462'Glorieta 4,620'Clear Fork 5,823'Spraberry 6,936'
42-329-45975 BOONE-COFFEE 30 · VENCER ENERGY, LLC
0.5 mi
Santa Rosa 753'Rustler 1,492'Yates 2,185'Seven Rivers 2,570'Queen 3,065'Grayburg 3,292'San Andres 3,452'Glorieta 4,594'Clear Fork 5,807'Spraberry 6,928'
42-329-45976 BOONE-COFFEE 40 · VENCER ENERGY, LLC
0.5 mi
Santa Rosa 753'Rustler 1,492'Yates 2,181'Seven Rivers 2,560'Queen 3,050'Grayburg 3,273'San Andres 3,433'PRECAMBRIAN (UNDIFFERENTIATED) Ellenburger CAMBRIAN
42-329-43846 O BRIEN B · PIONEER NATURAL RES. USA, INC.
0.9 mi
Santa Rosa 927'Yates 2,316'Seven Rivers 2,575'Queen 3,238'Grayburg 3,671'San Andres 3,912'Clear Fork 6,010'Spraberry 7,041'Spraberry 8,377'Glorieta
42-329-43845 O BRIEN B · PIONEER NATURAL RES. USA, INC.
0.9 mi
Santa Rosa 919'Yates 2,316'Seven Rivers 2,568'Queen 3,232'Grayburg 3,635'San Andres 3,934'Clear Fork 6,047'Spraberry 7,051'Spraberry 8,393'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
10,360–20,673 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,340 ft1,468 sx
9.625"6,033 ft1,018 sx
5.5"20,703 ft1,568 sx

Permit History (1)

Applications (1)

#827527 A PIONEER NATURAL RES. USA, INC.
received 2017-06-06

Records & Logs

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

W-2/G-1 2019-08-09 log on file
W-2/G-1 2019-05-01 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 31.930373
Lon -101.797534

Well Details

Well Number
1H
Max Depth
10,600 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2019-01-16

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