42-235-36363

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

2019-01-07

Latest Activity

2019-01-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-01-26

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 2,504 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 1,853 ft+651 ft
SAN ANDRES 2,004 ft+500 ft
CLEARFORK (Clear Fork)3,881 ft-1,377 ft
SPRABERRY 4,976 ft-2,472 ft
WOLFCAMP 6,523 ft-4,019 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
42-235-36362 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Grayburg 1,802'San Andres 1,970'Clear Fork 3,849'Spraberry 4,995'Wolfcamp 6,528'Fusselman Canyon
42-235-36361 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Grayburg 1,889'San Andres 2,039'Clear Fork 3,898'Spraberry 5,000'Wolfcamp 6,528'Fusselman Canyon
42-235-36290 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Grayburg 1,856'San Andres 2,029'Clear Fork 3,847'Spraberry 4,983'Wolfcamp 6,510'Fusselman Canyon
42-235-36289 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Grayburg 1,854'San Andres 2,023'Clear Fork 3,865'Spraberry 4,995'Wolfcamp 6,520'Canyon Fusselman
42-235-36293 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Grayburg 1,854'San Andres 2,002'Clear Fork 3,906'Spraberry 4,995'Wolfcamp 6,525'Fusselman Canyon
42-235-36602 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.8 mi
Rustler 724'Yates 1,034'Seven Rivers 1,235'Grayburg 1,887'San Andres 2,054'Clear Fork 3,788'Spraberry 4,943'Dean 6,337'Wolfcamp 6,475'Canyon Fusselman
42-235-36603 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.8 mi
Santa Rosa 396'Rustler 695'Yates 1,026'Seven Rivers 1,242'Queen 1,461'Grayburg 1,890'San Andres 2,055'Clear Fork 3,765'Spraberry 4,932'Dean 6,320'Dean 6,321'Wolfcamp 6,458' +2 more
42-235-36604 ROCKER B · PIONEER NATURAL RES. USA, INC.
0.8 mi
Santa Rosa 396'Rustler 750'Yates 1,020'Seven Rivers 1,238'Queen 1,463'Grayburg 1,893'San Andres 2,052'Clear Fork 3,663'Spraberry 4,910'Dean 6,300'Wolfcamp 6,438'Fusselman +1 more

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
6,885–20,297 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"684 ft675 sx
9.625"3,104 ft479 sx
5.5"20,338 ft1,106 sx

Permit History (1)

Applications (1)

#848339 A PIONEER NATURAL RES. USA, INC.
received 2019-01-04

Records & Logs

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

W-2/G-1 2020-04-20
W-2/G-1 2020-02-27 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 31.334981
Lon -101.260509

Well Details

Well Number
144H
Max Depth
9,050 ft
Drill Type
Horizontal
County
IRION
District
7
Completed
2020-01-26

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