42-003-48456

PRODUCING Horizontal

UNIVERSITY 8-4D N

ANDREWS County · District 8 · OVINTIV USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

10,800 ft

First Permit

2021-08-26

Latest Activity

2021-08-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-06-01

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: OVINTIV USA INC. ≠ Permit: PIEDRA OPERATING, LLC

Resolved via: productionOVINTIV USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-06

Last Production

2026-07

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 3,014 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SEVEN RIVERS 3,591 ft-577 ft
QUEEN 4,309 ft-1,295 ft
GRAYBURG 4,929 ft-1,915 ft
SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres)5,164 ft-2,150 ft
CLEARFORK (Clear Fork)7,011 ft-3,997 ft
GLORIETA
HOLT
PERMIAN DETRITAL (Permian (undifferentiated))
TUBB
YATES

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
42-003-48454 UNIVERSITY 8-4B N · PIEDRA OPERATING, LLC
0.0 mi
Seven Rivers 3,592'Queen 4,310'Grayburg 4,930'San Andres 5,165'Clear Fork 7,012'Yates Glorieta Holt Tubb Permian (undifferentiated)
42-003-48457 UNIVERSITY 8-4E N · PIEDRA OPERATING, LLC
0.0 mi
Seven Rivers 3,591'Queen 4,309'Grayburg 4,929'San Andres 5,164'Clear Fork 7,747'Glorieta Yates Holt Tubb Permian (undifferentiated)
42-003-48458 UNIVERSITY 8-4F N · PIEDRA OPERATING, LLC
0.0 mi
Seven Rivers 3,592'Queen 4,310'Grayburg 4,930'San Andres 5,165'Clear Fork 7,012'Glorieta Holt Tubb Permian (undifferentiated) Yates
42-003-48455 UNIVERSITY 8-4C N · PIEDRA OPERATING, LLC
0.0 mi
Seven Rivers 3,592'Queen 4,310'Grayburg 4,930'San Andres 5,165'Clear Fork 7,012'Tubb Permian (undifferentiated) Yates Glorieta Holt
42-003-48453 UNIVERSITY 8-4A N · PIEDRA OPERATING, LLC
0.0 mi
Seven Rivers 3,592'Queen 4,310'Grayburg 4,930'San Andres 5,165'Clear Fork 7,012'Tubb Holt Yates Glorieta Permian (undifferentiated)
42-003-48464 UNIVERSITY 8-4E S · PIEDRA OPERATING, LLC
0.1 mi
Seven Rivers 3,602'Queen 4,320'Grayburg 4,940'San Andres 5,175'Clear Fork 7,022'Permian (undifferentiated) LEON Glorieta Holt Tubb Wichita-Albany Yates
42-003-48463 UNIVERSITY 8-4D S · PIEDRA OPERATING, LLC
0.1 mi
Seven Rivers 3,603'Queen 4,321'Grayburg 4,941'San Andres 5,176'Clear Fork 7,023'Tubb Permian (undifferentiated) Holt Yates Glorieta
42-003-48460 UNIVERSITY 8-4A S · PIEDRA OPERATING, LLC
0.1 mi
Seven Rivers 3,603'Queen 4,321'Grayburg 4,941'San Andres 5,176'Clear Fork 7,023'Spraberry 9,063'Yates Glorieta Holt Tubb Permian (undifferentiated)

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
9,935–17,490 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,850 ft1,495 sx
9.625"8,795 ft1,455 sx
5.5"17,557 ft2,835 sx

Permit History (1)

Applications (1)

#872124 A PIEDRA OPERATING, LLC
received 2021-08-18

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-05-29 log on file
W-2/G-1 2022-12-06
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 32.402896
Lon -102.338565

Well Details

Well Number
H 4LS
Max Depth
10,800 ft
Drill Type
Horizontal
County
ANDREWS
District
8
Completed
2022-06-01

Operator

Location
DENVER
P-5 Status
Active (filed 2025-12-12)
Cum Oil (all leases)
260,655,497 bbl
Cum Gas (all leases)
22,326,113 mcf
Activities
G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
1,311