42-317-47041

Horizontal

RICHARDS-GRISHAM 24L

MARTIN County · District 10 · PIONEER NATURAL RES. USA, INC.

Permits

Max Depth

10,240 ft

First Permit

2025-10-17

Latest Activity

2025-10-17

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Formation Tops (10) Elevation 2,712 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SANTA ROSA	1,012 ft	+1,700 ft
YATES	2,313 ft	+399 ft
QUEEN	3,028 ft	-316 ft
GRAYBURG	3,422 ft	-710 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)	3,715 ft	-1,003 ft
SPRABERRY	7,038 ft	-4,326 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

✓ 42-317-47034 RICHARDS-GRISHAM 24E · PIONEER NATURAL RES. USA, INC.

0.5 mi

Santa Rosa 1,101'Yates 2,388'Queen 3,106'Grayburg 3,511'San Andres 3,808'Clear Fork 5,876'Spraberry 7,125'Dean 8,440'Wolfcamp —Cisco —

✓ 42-317-46868 HEIDELBERG 30-31 P · DIAMONDBACK E&P LLC

0.5 mi

Clear Fork 5,719'Spraberry 7,006'Jo Mill 7,506'Dean —San Andres —Queen —Santa Rosa —Wolfcamp —Grayburg —Yates —

✓ 42-317-47033 RICHARDS-GRISHAM 24D · PIONEER NATURAL RES. USA, INC.

0.5 mi

Santa Rosa 1,102'Yates 2,386'Queen 3,109'Grayburg 3,513'San Andres 3,810'Spraberry 7,132'Cisco —Pennsylvanian —Dean —Wolfcamp —

✓ 42-317-46867 HEIDELBERG 30-31 O · DIAMONDBACK E&P LLC

0.5 mi

Clear Fork 5,722'Spraberry 6,981'Jo Mill 7,499'Dean 8,326'Wolfcamp 8,521'Cisco —Santa Rosa —Grayburg —Yates —San Andres —Queen —

✓ 42-317-47032 RICHARDS-GRISHAM 24C · PIONEER NATURAL RES. USA, INC.

0.5 mi

Santa Rosa 1,102'Yates 2,384'Queen 3,109'Grayburg 3,512'San Andres 3,811'Spraberry 7,139'Dean 8,464'Wolfcamp 8,649'Pennsylvanian —Cisco —

✓ 42-317-46866 HEIDELBERG 30-31 N · DIAMONDBACK E&P LLC

0.5 mi

Clear Fork 5,712'Spraberry 7,005'Jo Mill 7,508'Dean 8,335'Wolfcamp 8,515'Queen —Grayburg —Pennsylvanian —Santa Rosa —Cisco —Yates —San Andres —

✓ 42-317-46865 HEIDELBERG 30-31 M · DIAMONDBACK E&P LLC

0.5 mi

Clear Fork 5,708'Spraberry 6,997'Jo Mill 7,497'Yates —San Andres —Queen —Santa Rosa —Dean —Wolfcamp —Grayburg —

✓ 42-317-46852 HEIDELBERG 30-31 L · DIAMONDBACK E&P LLC

0.5 mi

Clear Fork 5,708'Spraberry 7,001'Jo Mill 7,501'Dean —Wolfcamp —Grayburg —San Andres —Yates —Queen —Santa Rosa —

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)

Size	Set Depth	Cement
13.375"	1,487 ft	1,545 sx
10.75"	5,438 ft	1,000 sx
5.5"	29,608 ft	4,330 sx

Permit History (2)

#910568 Drill

RICHARDS-GRISHAM 24L · 10,240 ft

2025-10-17

#910568 Drill

RICHARDS-GRISHAM 24L · 10,240 ft

2025-10-17

Spud 2026-01-21

Applications (2)

#910568 A PIONEER NATURAL RES. USA, INC.

received 2025-11-05

#910568 A PIONEER NATURAL RES. USA, INC.

received 2025-09-18

Records & Logs

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

W-2/G-1 2026-05-15 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.

Google Maps → Explorer Map →

Lat 32.232629

Lon -101.807059

Well Details

Well Number: 12H
Max Depth: 10,240 ft
Drill Type: Horizontal
County: MARTIN
District: 10
Operator: PIONEER NATURAL RES. USA, INC.

Operator

Name: PIONEER NATURAL RES. USA, INC
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