42-173-30342

RILEY GLENN D

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

Permits

1

Max Depth

8,360 ft

First Permit

2025-12-22

Latest Activity

2025-12-22

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1976-04-04

Shut-In

Plugged

2000-07-18

!

EWA / Production operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Production: JM COX RESOURCES, L.P. (reported 2013-03)

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: AQUA TERRA PERMIAN, LLC

Resolved via: schedulingPIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2022-01

W-14 Disposal Active UIC #000126158 permitted 2023-09-22

Permitted Volume

20,000 bbl/d

Max Pressure

1,675 psi

Injection Interval

3,350–4,600 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2026-01-01)

Seismicity: 13 earthquakes M2+ within 10 km in the last 24 months (max M3.3) · TexNet catalog

Operator History

Chain of Custody

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,684 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,003 ft+1,681 ft
YATES 1,920 ft+764 ft
SEVEN RIVERS 1,950 ft+734 ft
QUEEN 2,070 ft+614 ft
GRAYBURG 2,600 ft+84 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,040 ft-1,356 ft
CLEARFORK (Clear Fork)
GLORIETA
RUSTLER
SPRABERRY

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
42-173-38355 TOMAHAWK 2425 D · DIAMONDBACK E&P LLC
0.2 mi
Santa Rosa 674'Yates 2,162'Seven Rivers 2,288'Queen 2,948'Grayburg 3,274'San Andres 3,483'Glorieta 4,552'Clear Fork 4,944'Spraberry 6,686'Rustler
42-173-38353 TOMAHAWK 2425 C · DIAMONDBACK E&P LLC
0.2 mi
Santa Rosa 680'Yates 2,172'Seven Rivers 2,298'Queen 2,963'Grayburg 3,284'San Andres 3,496'Glorieta 4,587'Clear Fork 4,948'Spraberry 6,707'Rustler
42-173-38385 TOMAHAWK 2425 E · DIAMONDBACK E&P LLC
0.2 mi
Santa Rosa 660'Yates 2,162'Seven Rivers 2,404'Queen 2,868'Grayburg 3,326'San Andres 3,632'Glorieta 4,513'Clear Fork 6,012'Spraberry 6,682'Rustler
42-173-38386 TOMAHAWK 2425 F · DIAMONDBACK E&P LLC
0.2 mi
Santa Rosa 660'Yates 2,162'Seven Rivers 2,414'Queen 2,862'Grayburg 3,326'San Andres 3,618'Glorieta 4,505'Clear Fork 6,015'Spraberry 6,680'Rustler
42-173-38473 TOMAHAWK 2425 G · DIAMONDBACK E&P LLC
0.3 mi
Santa Rosa 708'Yates 2,166'Queen 2,792'Grayburg 3,214'San Andres 3,496'Glorieta 4,563'Clear Fork 5,997'Spraberry 6,685'Rustler Seven Rivers
42-173-38475 TOMAHAWK 2425 I · DIAMONDBACK E&P LLC
0.3 mi
Santa Rosa 667'Yates 2,156'Queen 2,774'Grayburg 3,185'San Andres 3,490'Glorieta 4,524'Clear Fork 6,004'Spraberry 6,666'Seven Rivers Rustler
42-173-38631 RECURVE 13-12 C · DIAMONDBACK E&P LLC
0.4 mi
Yates 2,173'Seven Rivers 2,308'Queen 2,725'Grayburg 3,137'San Andres 3,633'Glorieta 4,569'Clear Fork 6,021'Spraberry 6,694'Rustler Santa Rosa
42-173-38630 RECURVE 13-12 A · DIAMONDBACK E&P LLC
0.4 mi
Yates 2,159'Seven Rivers 2,299'Grayburg 3,289'San Andres 3,620'Glorieta 4,401'Clear Fork 6,001'Spraberry 6,682'Santa Rosa Queen Rustler

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 (2)

IntervalType
3,352–4,538 ftPerforated
?–8,290 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"2,160 ft1,200 sx
5.5"4,695 ft1,005 sx
4.5"8,360 ft650 sx

Permit History (1)

Applications (1)

#912405 A AQUA TERRA PERMIAN, LLC
received 2025-12-19

Records & Logs

2 completion filings on record.

W-2/G-1 2026-06-01
W-2/G-1 1976-04-08

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 31.796230
Lon -101.675697

Well Details

Well Number
1
Max Depth
8,360 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Completed
1976-04-04

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