42-317-43563

PRODUCING Horizontal

WELCH-COX W39H

MARTIN County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

10,606 ft

First Permit

2021-06-08

Latest Activity

2021-06-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-01-30

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-09

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 2,836 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,266 ft+1,570 ft
YATES 2,608 ft+228 ft
QUEEN 3,469 ft-633 ft
GRAYBURG 3,921 ft-1,085 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,128 ft-1,292 ft
SPRABERRY 7,548 ft-4,712 ft
DEAN 8,852 ft-6,016 ft
WOLFCAMP 9,060 ft-6,224 ft
CISCO
PENNSYLVANIAN

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
42-317-43558 WELCH-COX W39I · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,266'Yates 2,608'Queen 3,472'Grayburg 3,947'San Andres 4,158'Spraberry 7,546'Dean 8,848'Wolfcamp 9,060'Cisco Pennsylvanian
42-317-43545 WELCH-COX W39G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,266'Yates 2,608'Queen 3,472'Grayburg 3,924'San Andres 4,128'Spraberry 7,553'Dean 8,855'Wolfcamp 9,067'Pennsylvanian Cisco
42-317-43561 WELCH-COX W39J · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,266'Yates 2,605'Queen 3,474'Grayburg 3,924'San Andres 4,130'Spraberry 7,542'Dean 8,850'Wolfcamp 9,061'Cisco Pennsylvanian
42-317-43543 WELCH-COX W39F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,266'Yates 2,609'Queen 3,470'Grayburg 3,920'San Andres 4,130'Spraberry 7,558'Dean 8,859'Wolfcamp 9,069'Cisco Pennsylvanian
42-317-43544 WELCH-COX W39M · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,266'Yates 2,617'Queen 3,480'Grayburg 3,968'San Andres 4,143'Spraberry 7,556'Pennsylvanian Dean Wolfcamp Cisco
42-317-43556 WELCH-COX W39N · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,266'Yates 2,619'Queen 3,481'Grayburg 3,953'San Andres 4,146'Spraberry 7,557'Ellenburger Pennsylvanian Wolfcamp PRECAMBRIAN (UNDIFFERENTIATED) Cisco Dean
42-317-43542 WELCH-COX W39L · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,266'Yates 2,617'Queen 3,479'Grayburg 3,965'San Andres 4,149'Spraberry 7,564'Dean Wolfcamp Cisco Pennsylvanian
42-317-43557 WELCH-COX W39O · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,266'Yates 2,617'Queen 3,477'Grayburg 3,951'San Andres 4,144'Spraberry 7,548'Dean Wolfcamp Cisco Strawn Pennsylvanian

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
9,419–19,600 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,723 ft1,750 sx
9.625"5,494 ft1,351 sx
5.5"19,625 ft1,077 sx

Permit History (1)

Applications (1)

#869618 A PIONEER NATURAL RES. USA, INC.
received 2021-05-05

Records & Logs

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

W-2/G-1 2023-04-12
W-2/G-1 2023-02-06 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 32.259046
Lon -101.946811

Well Details

Well Number
208H
Max Depth
10,606 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2023-01-30

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