42-235-36255

PRODUCING Horizontal

ROCKER B

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

Permits

1

Max Depth

9,050 ft

First Permit

2018-03-21

Latest Activity

2018-03-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-09-12

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 (7) Elevation 2,526 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 1,896 ft+630 ft
SAN ANDRES 2,046 ft+480 ft
CLEARFORK (Clear Fork)3,696 ft-1,170 ft
SPRABERRY 4,929 ft-2,403 ft
WOLFCAMP 6,442 ft-3,916 ft
CANYON
FUSSELMAN

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
42-235-36256 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 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.
0.0 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.
0.0 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'Canyon Fusselman
42-235-36559 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 444'Rustler 800'Yates 1,061'Seven Rivers 1,296'Queen 1,500'Grayburg 1,941'San Andres 2,083'Clear Fork 3,468'Spraberry 4,972'Dean 6,341'
42-235-36558 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 444'Rustler 816'Yates 1,059'San Andres 1,296'Seven Rivers 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.
0.4 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'
42-235-36458 ROCKER B · PIONEER NATURAL RES. USA, INC.
1.0 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.
1.0 mi
Grayburg 1,845'San Andres 1,972'Clear Fork 3,430'Spraberry 4,893'Wolfcamp 6,396'Canyon Fusselman

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
7,072–19,824 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"716 ft681 sx
9.625"3,561 ft385 sx
5.5"19,828 ft2,125 sx

Permit History (1)

Applications (1)

#837397 A PIONEER NATURAL RES. USA, INC.
received 2018-03-12

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2019-01-15 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 31.298195
Lon -101.242238

Well Details

Well Number
138H
Max Depth
9,050 ft
Drill Type
Horizontal
County
IRION
District
7
Completed
2018-09-12

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