42-329-44550

PRODUCING Horizontal

LEO 8D-5B-H

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

Permits

2

Max Depth

9,575 ft

First Permit

2020-12-10

Latest Activity

2020-12-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-06-17

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: PARSLEY ENERGY OPERATIONS, LLC

Resolved via: productionPIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2021-06

Last Production

2026-07

Operator History

originally filed by PARSLEY ENERGY OPERATIONS, LLC — asset transferred

Lease Production

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

Formation Tops (10) Elevation 2,725 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 941 ft+1,784 ft
RUSTLER 1,538 ft+1,187 ft
YATES 2,433 ft+292 ft
SEVEN RIVERS 2,707 ft+18 ft
QUEEN 3,402 ft-677 ft
GRAYBURG 3,807 ft-1,082 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,934 ft-1,209 ft
CLEARFORK (Clear Fork)6,157 ft-3,432 ft
SPRABERRY 6,993 ft-4,268 ft
GLORIETA

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
42-329-44549 LEO 8D-5B-G · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
Santa Rosa 948'Rustler 1,536'Yates 2,430'Seven Rivers 2,714'Queen 3,397'Grayburg 3,821'San Andres 3,943'Clear Fork 6,158'Spraberry 7,005'Glorieta
42-329-45863 LEO 8B · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 884'Rustler 1,569'Yates 2,467'Seven Rivers 2,756'Queen 3,447'Grayburg 3,859'San Andres 3,987'Clear Fork 6,182'Spraberry 7,020'Glorieta
42-329-45233 HARRIS 17-20I · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 884'Rustler 1,484'Yates 2,458'Seven Rivers 2,685'Queen 3,375'Grayburg 3,829'San Andres 3,908'Clear Fork 6,099'Spraberry 7,010'Glorieta
42-329-45862 LEO 8A · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 884'Rustler 1,571'Yates 2,479'Seven Rivers 2,770'Queen 3,466'Grayburg 3,860'San Andres 3,992'Clear Fork 6,197'Spraberry 7,026'Glorieta
42-329-45232 HARRIS 17-20H · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 884'Rustler 1,573'Yates 2,468'Seven Rivers 2,690'Queen 3,376'Grayburg 3,845'San Andres 3,914'Clear Fork 6,079'Spraberry 7,011'Glorieta
42-329-45231 HARRIS 17-20G · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 884'Rustler 1,484'Yates 2,463'Seven Rivers 2,690'Queen 3,407'Grayburg 3,848'San Andres 3,927'Clear Fork 6,110'Spraberry 7,016'Glorieta
42-329-45230 HARRIS 17-20F · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 884'Rustler 1,567'Yates 2,463'Seven Rivers 2,698'Queen 3,413'Grayburg 3,867'San Andres 3,928'Clear Fork 6,111'Spraberry 7,017'Glorieta
42-329-45229 HARRIS 17-20E · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 884'Rustler 1,484'Yates 2,464'Seven Rivers 2,699'Queen 3,419'Grayburg 3,865'San Andres 3,947'Clear Fork 6,118'Spraberry 7,014'Glorieta

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
9,604–16,385 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,393 ft1,225 sx
9.625"8,475 ft1,195 sx
5.5"16,508 ft2,570 sx

Permit History (2)

Applications (2)

#866425 A PARSLEY ENERGY OPERATIONS, LLC
received 2021-02-12
#866425 A PARSLEY ENERGY OPERATIONS, LLC
received 2020-12-08

Records & Logs

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

W-2/G-1 2021-07-26 log on file

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 31.656950
Lon -101.797037

Well Details

Well Number
4315H
Max Depth
9,575 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2021-06-17

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
15,468