42-329-42810

Final Completion Horizontal

PRESTON N31R

MIDLAND County · District 8 · PIONEER NATURAL RES. USA, INC.

Permits

2

Max Depth

10,538 ft

First Permit

2018-08-31

Latest Activity

2020-10-07

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2021-10

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 2,772 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 962 ft+1,810 ft
RUSTLER 1,575 ft+1,197 ft
YATES 2,472 ft+300 ft
SEVEN RIVERS 2,757 ft+15 ft
QUEEN 3,447 ft-675 ft
GRAYBURG 3,999 ft-1,227 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,062 ft-1,290 ft
CLEARFORK (Clear Fork)6,320 ft-3,548 ft
SPRABERRY 7,187 ft-4,415 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
42-329-44468 PRESTON N31Q · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 960'Santa Rosa 966'Rustler 1,563'Rustler 1,574'Yates 2,473'Seven Rivers 2,760'Queen 3,440'Grayburg 3,995'San Andres 4,068'Clear Fork 6,329'Spraberry 7,197'Glorieta
42-329-42806 PRESTON N31Q · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 952'Santa Rosa 966'Rustler 1,574'Yates 2,473'Seven Rivers 2,758'Queen 3,447'Grayburg 3,999'San Andres 4,065'Clear Fork 6,326'Spraberry 7,192'Glorieta
42-329-44463 PRESTON N31O · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 961'Santa Rosa 966'Rustler 1,563'Rustler 1,574'Yates 2,481'Seven Rivers 2,759'Queen 3,438'Grayburg 3,994'San Andres 4,061'Clear Fork 6,336'Spraberry 7,198'Glorieta
42-329-42772 PRESTON N31P · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 960'Santa Rosa 966'Rustler 1,574'Seven Rivers 2,460'Yates 2,470'Queen 3,441'Grayburg 3,993'San Andres 4,058'Clear Fork 6,335'Spraberry 7,200'Glorieta
42-329-41548 PRESTON N31J · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,200'Yates 2,757'Seven Rivers 2,770'Queen 3,463'Grayburg 4,015'San Andres 4,056'Clear Fork 6,335'Spraberry 7,195'Spraberry 8,582'Glorieta
42-329-41549 PRESTON N31K · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 987'Yates 2,473'Seven Rivers 2,761'Queen 3,438'Grayburg 3,991'San Andres 4,061'Clear Fork 6,328'Spraberry 7,189'Spraberry 8,575'Glorieta
42-329-41547 PRESTON N31I · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,272'Yates 2,472'Seven Rivers 2,751'Queen 3,434'Grayburg 3,983'San Andres 4,203'Clear Fork 6,313'Spraberry 7,181'Spraberry 8,565'Glorieta
42-329-41551 PRESTON N31L · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 987'Yates 2,472'Seven Rivers 2,757'Queen 3,441'Grayburg 3,986'San Andres 4,055'Clear Fork 6,306'Spraberry 7,183'Spraberry 8,572'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
9,654–19,435 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"1,444 ft1,450 sx
9.625"5,617 ft1,290 sx
5.5"5,617 ft1,765 sx
5.5"19,460 ft985 sx

Permit History (2)

Applications (2)

#865387 A PIONEER NATURAL RES. USA, INC.
received 2020-10-05
#844159 A PIONEER NATURAL RES. USA, INC.
received 2018-08-29

Records & Logs

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

W-2/G-1 2021-12-08
W-2/G-1 2021-11-18 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 31.714057
Lon -101.844319

Well Details

Well Number
18H
Max Depth
10,538 ft
Drill Type
Horizontal
County
MIDLAND
District
8

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