42-383-40248

PRODUCING Horizontal

ALDWELL K R 40

REAGAN County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC

Permits

1

Max Depth

10,335 ft

First Permit

2018-04-27

Latest Activity

2018-04-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-09-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2015-02

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 (9) Elevation 2,659 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 2,884 ft-225 ft
GRAYBURG 3,333 ft-674 ft
SAN ANDRES - SALTWATER FLOW, POS (San Andres)4,722 ft-2,063 ft
CLEARFORK (Clear Fork)5,594 ft-2,935 ft
SPRABERRY 6,533 ft-3,874 ft
ELLENBURGER
FUSSELMAN
QUEEN
STRAWN

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
42-383-40250 ALDWELL K R 40 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,888'Grayburg 3,364'San Andres 3,414'Clear Fork 5,584'Spraberry 6,525'Fusselman Strawn Ellenburger
42-383-40245 ALDWELL K R 40 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Grayburg 3,340'San Andres 3,444'Clear Fork 5,623'Spraberry 6,546'Fusselman Queen Ellenburger Strawn
42-383-39876 BRYNLEE 9 AND 8 · PARSLEY ENERGY OPERATIONS, LLC
0.3 mi
San Andres 3,369'Clear Fork 5,723'Spraberry 6,398'Queen Fusselman Ellenburger Strawn Grayburg
42-383-39877 BRYNLEE 9 AND 8 · PARSLEY ENERGY OPERATIONS, LLC
0.3 mi
San Andres 3,439'Clear Fork 5,722'Spraberry 6,529'Dean 7,933'Wolfcamp 8,119'Strawn Queen Ellenburger Fusselman Grayburg
42-383-39875 BRYNLEE 9 AND 8 · PARSLEY ENERGY OPERATIONS, LLC
0.3 mi
San Andres 3,439'Clear Fork 5,722'Spraberry 6,529'Dean 7,933'Wolfcamp 8,119'Queen Ellenburger Strawn Grayburg Fusselman
42-383-38592 RINGO 10A-7A · PARSLEY ENERGY OPERATIONS, LLC
0.4 mi
Spraberry 6,470'Dean 7,850'Wolfcamp 8,070'Fusselman Queen Ellenburger Strawn Clear Fork Grayburg San Andres
42-383-40256 ALDWELL K R 40 · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 876'Rustler 1,192'Yates 2,049'Seven Rivers 2,332'Queen 2,874'Grayburg 3,384'San Andres 3,564'Clear Fork 5,569'Spraberry 6,483'Dean 7,876'Wolfcamp 8,053'
42-383-41617 ALDWELL-BIRD 10C · PIONEER NATURAL RES. USA, INC.
0.8 mi
Santa Rosa 876'Rustler 1,185'Yates 2,038'Seven Rivers 2,329'Queen 2,886'Grayburg 3,377'San Andres 3,560'Clear Fork 5,585'Spraberry 6,490'Dean 7,867'Wolfcamp 8,046'

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
8,991–18,865 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,124 ft1,130 sx
9.625"8,283 ft1,360 sx
5.5"18,898 ft2,800 sx

Permit History (1)

Applications (1)

#839342 A PIONEER NATURAL RES. USA, INC.
received 2018-04-26

Records & Logs

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

W-2/G-1 2019-11-13
W-2/G-1 2019-10-08 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 31.451227
Lon -101.716814

Well Details

Well Number
8H
Max Depth
10,335 ft
Drill Type
Horizontal
County
REAGAN
District
7
Completed
2019-09-22

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
15,400