42-317-43762

PRODUCING Horizontal

ATCHISON-WHEELER 8D

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

Permits

1

Max Depth

10,519 ft

First Permit

2021-09-21

Latest Activity

2021-09-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-08-25

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-08

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 2,857 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,284 ft+1,573 ft
YATES 2,565 ft+292 ft
QUEEN 3,339 ft-482 ft
GRAYBURG 3,730 ft-873 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,977 ft-1,120 ft
SPRABERRY 7,464 ft-4,607 ft
DEAN 8,771 ft-5,914 ft
WOLFCAMP 8,997 ft-6,140 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
42-317-43760 ATCHISON-WHEELER 8E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,288'Yates 2,555'Queen 3,376'Grayburg 3,781'San Andres 4,044'Spraberry 7,459'Dean 8,767'Wolfcamp 8,987'Cisco Pennsylvanian
42-317-43758 ATCHISON-GLYNN 8F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,275'Yates 2,575'Queen 3,380'Grayburg 3,789'San Andres 4,038'Spraberry 7,466'Dean 8,757'Wolfcamp 8,974'Cisco Pennsylvanian
42-317-43756 ATCHISON-GLYNN 8G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,285'Yates 2,557'Queen 3,375'Grayburg 3,782'San Andres 4,041'Spraberry 7,449'Dean 8,752'Wolfcamp 8,971'Cisco Pennsylvanian
42-317-43754 ATCHISON-GLYNN 8H · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,285'Yates 2,564'Queen 3,381'Grayburg 3,780'San Andres 4,044'Spraberry 7,444'Dean 8,751'Wolfcamp 8,969'Cisco Pennsylvanian
42-317-41781 EPLEY-GLASSCOCK E8A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,276'Yates 2,560'Queen 3,374'Grayburg 3,839'San Andres 4,112'Spraberry 7,450'Dean 8,762'Wolfcamp 8,971'Cisco Pennsylvanian
42-317-41780 EPLEY-GLASSCOCK E8B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,287'Yates 2,560'Queen 3,377'Grayburg 3,815'San Andres 4,110'Spraberry 7,453'Dean 8,781'Wolfcamp 8,994'Cisco Strawn Pennsylvanian
42-317-41782 EPLEY-GLASSCOCK E8C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,279'Yates 2,560'Queen 3,376'Grayburg 3,831'San Andres 4,096'Spraberry 7,444'Dean 8,774'Wolfcamp 8,984'Cisco Pennsylvanian
42-317-41778 EPLEY-GLASSCOCK C8D · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 1,260'Yates 2,560'Queen 3,378'Grayburg 3,822'San Andres 4,097'Spraberry 7,451'Dean 8,768'Dean 8,812'Wolfcamp 8,989'Cisco 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
9,780–19,891 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,723 ft1,750 sx
9.625"5,590 ft1,237 sx
5.5"20,108 ft1,072 sx

Permit History (1)

Applications (1)

#872101 A PIONEER NATURAL RES. USA, INC.
received 2021-08-18

Records & Logs

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

W-2/G-1 2022-10-19 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 32.248282
Lon -101.880009

Well Details

Well Number
204H
Max Depth
10,519 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2022-08-25

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