42-317-46696

SHUT IN Horizontal

NAIL-TILLMAN E1F

MARTIN County · District 10 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

2

Max Depth

10,552 ft

First Permit

2025-03-10

Latest Activity

2025-03-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-12-17

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-12

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 2,861 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,314 ft+1,547 ft
YATES 2,851 ft+10 ft
QUEEN 3,834 ft-973 ft
GRAYBURG 4,320 ft-1,459 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,534 ft-1,673 ft
SPRABERRY 7,831 ft-4,970 ft
CISCO
DEAN
PENNSYLVANIAN
WOLFCAMP

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
42-317-46698 NAIL-TILLMAN E1D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,314'Yates 2,857'Queen 3,830'Grayburg 4,312'San Andres 4,527'Clear Fork 6,830'Spraberry 7,846'Dean 9,123'Wolfcamp 9,374'Cisco
42-317-46699 NAIL-TILLMAN E1C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,314'Yates 2,857'Queen 3,819'Grayburg 4,321'San Andres 4,517'Clear Fork 6,824'Spraberry 7,837'Cisco Wolfcamp Dean
42-317-46700 NAIL-TILLMAN E1B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,314'Yates 2,860'Queen 3,837'Grayburg 4,325'San Andres 4,534'Clear Fork 6,823'Spraberry 7,837'Dean Cisco Wolfcamp
42-317-46778 NAIL-TILLMAN E1A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,314'Yates 2,855'Queen 3,832'Grayburg 4,319'San Andres 4,531'Spraberry 7,839'Cisco Wolfcamp Pennsylvanian Dean
42-317-46691 NAIL-TILLMAN E1K · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,315'Yates 2,851'Queen 3,828'Grayburg 4,320'San Andres 4,536'Spraberry 7,839'Dean 9,114'Wolfcamp 9,364'Cisco Pennsylvanian
42-317-46692 NAIL-TILLMAN E1J · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,315'Yates 2,851'Queen 3,820'Grayburg 4,326'San Andres 4,539'Spraberry 7,845'Wolfcamp Cisco Pennsylvanian Dean
42-317-46693 NAIL-TILLMAN E1I · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,315'Yates 2,852'Queen 3,818'Grayburg 4,329'San Andres 4,549'Spraberry 7,847'Dean 9,128'Wolfcamp 9,359'Cisco Pennsylvanian
42-317-46695 NAIL-TILLMAN E1H · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,315'Yates 2,849'Queen 3,823'Grayburg 4,319'San Andres 4,532'Clear Fork 6,814'Spraberry 7,840'Cisco Wolfcamp 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).

Casing (3)

SizeSet DepthCement
13.375"1,801 ft1,890 sx
9.625"6,120 ft2,030 sx
5.5"27,177 ft2,290 sx

Permit History (2)

Applications (2)

#906321 A PIONEER NATURAL RES. USA, INC.
received 2025-09-10
#906321 A PIONEER NATURAL RES. USA, INC.
received 2025-02-28

Records & Logs

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

W-2/G-1 2026-03-17 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 32.102858
Lon -102.083093

Well Details

Well Number
506H
Max Depth
10,552 ft
Drill Type
Horizontal
County
MARTIN
District
10
Completed
2025-12-17

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