42-235-36559

PRODUCING Horizontal

ROCKER B

IRION County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

8,867 ft

First Permit

2022-11-01

Latest Activity

2022-11-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-01-04

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1997-04

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 2,544 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 444 ft+2,100 ft
RUSTLER 800 ft+1,744 ft
YATES 1,061 ft+1,483 ft
SEVEN RIVERS 1,296 ft+1,248 ft
QUEEN 1,500 ft+1,044 ft
GRAYBURG 1,941 ft+603 ft
SAN ANDRES 2,083 ft+461 ft
CLEARFORK (Clear Fork)3,468 ft-924 ft
SPRABERRY 4,972 ft-2,428 ft
DEAN 6,341 ft-3,797 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
42-235-36558 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 444'Rustler 816'Yates 1,059'Seven Rivers 1,296'San Andres 1,296'Queen 1,500'Grayburg 1,925'San Andres 2,079'Clear Fork 3,502'Spraberry 4,970'Dean 6,344'Wolfcamp 6,487' +1 more
42-235-36557 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Rustler 832'Yates 1,057'Seven Rivers 1,293'Queen 1,495'Grayburg 1,925'San Andres 2,116'Clear Fork 3,522'Spraberry 4,978'Dean 6,362'Wolfcamp 6,495'
42-235-36255 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.4 mi
Grayburg 1,896'San Andres 2,046'Clear Fork 3,696'Spraberry 4,929'Wolfcamp 6,442'Canyon Fusselman
42-235-36256 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.4 mi
Grayburg 1,871'San Andres 1,996'Clear Fork 3,702'Spraberry 4,899'Wolfcamp 6,429'Fusselman Canyon
42-235-36656 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.4 mi
Yates 1,033'Yates 1,034'Queen 1,464'Grayburg 1,867'Grayburg 2,009'San Andres 2,040'San Andres 2,108'Clear Fork 3,630'Clear Fork 3,720'Spraberry 4,903'Spraberry 4,939'Dean 6,276' +5 more
42-235-36657 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 316'Yates 1,042'Queen 1,469'Grayburg 1,870'San Andres 2,040'Clear Fork 3,684'Spraberry 4,943'Dean 6,289'Wolfcamp 6,431'Fusselman Canyon
42-235-36458 ROCKER B · PIONEER NATURAL RES. USA, INC.
1.4 mi
Grayburg 1,844'San Andres 1,978'Clear Fork 3,481'Spraberry 4,890'Wolfcamp 6,397'Fusselman Canyon
42-235-36459 ROCKER B · PIONEER NATURAL RES. USA, INC.
1.4 mi
Grayburg 1,845'San Andres 1,972'Clear Fork 3,430'Spraberry 4,893'Wolfcamp 6,396'Fusselman Canyon

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
7,314–19,885 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"794 ft1,000 sx
9.625"2,759 ft621 sx
5.5"19,920 ft1,123 sx

Permit History (1)

Applications (1)

#885311 A PIONEER NATURAL RES. USA, INC.
received 2022-10-28

Records & Logs

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

W-2/G-1 2024-04-10
W-2/G-1 2024-01-16 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 31.299091
Lon -101.249091

Well Details

Well Number
178H
Max Depth
8,867 ft
Drill Type
Horizontal
County
IRION
District
7
Completed
2024-01-04

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