42-317-46692

SHUT IN Horizontal

NAIL-TILLMAN E1J

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

Permits

1

Max Depth

10,552 ft

First Permit

2025-03-07

Latest Activity

2025-03-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-01-08

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2026-01

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 2,862 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,315 ft+1,547 ft
YATES 2,851 ft+11 ft
QUEEN 3,820 ft-958 ft
GRAYBURG 4,326 ft-1,464 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,539 ft-1,677 ft
SPRABERRY 7,845 ft-4,983 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
42-317-46693 NAIL-TILLMAN E1I · PIONEER NATURAL RES. USA, INC.
0.0 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
42-317-46691 NAIL-TILLMAN E1K · PIONEER NATURAL RES. USA, INC.
0.0 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
42-317-46695 NAIL-TILLMAN E1H · PIONEER NATURAL RES. USA, INC.
0.0 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'Wolfcamp Cisco Pennsylvanian
42-317-46694 NAIL-TILLMAN E1G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,315'Yates 2,848'Queen 3,828'Grayburg 4,331'San Andres 4,550'Clear Fork 6,814'Spraberry 7,845'Cisco Wolfcamp Dean
42-317-46778 NAIL-TILLMAN E1A · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,314'Yates 2,855'Queen 3,832'Grayburg 4,319'San Andres 4,531'Spraberry 7,839'Dean Pennsylvanian Wolfcamp Cisco
42-317-46700 NAIL-TILLMAN E1B · PIONEER NATURAL RES. USA, INC.
0.1 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'Cisco Wolfcamp Dean
42-317-46699 NAIL-TILLMAN E1C · PIONEER NATURAL RES. USA, INC.
0.1 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
42-317-46698 NAIL-TILLMAN E1D · PIONEER NATURAL RES. USA, INC.
0.1 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

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"1,715 ft1,901 sx
9.625"6,116 ft1,425 sx
5.5"21,849 ft1,276 sx

Permit History (1)

Applications (1)

#906317 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 2026-04-09 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 32.101953
Lon -102.084489

Well Details

Well Number
510H
Max Depth
10,552 ft
Drill Type
Horizontal
County
MARTIN
District
10
Completed
2026-01-08

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