42-461-41435

SHUT IN Horizontal

SEBASTIAN 19-18-B

UPTON County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC

Permits

2

Max Depth

9,560 ft

First Permit

2020-01-21

Latest Activity

2020-01-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-03-04

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

2020-04

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 (13) Elevation 2,765 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,540 ft+225 ft
GRAYBURG 4,226 ft-1,461 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,259 ft-1,494 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,402 ft-1,637 ft
CLEARFORK (Clear Fork)6,478 ft-3,713 ft
SPRABERRY 7,343 ft-4,578 ft
DEAN 8,748 ft-5,983 ft
WOLFCAMP 8,940 ft-6,175 ft
DEVONIAN
FUSSELMAN
GRAYBURG
STRAWN
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
42-461-41434 SEBASTIAN 19-18-B · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
San Andres 4,259'Clear Fork 6,478'Spraberry 7,343'Dean 8,748'Wolfcamp 8,940'Fusselman Devonian Strawn Grayburg Yates Ellenburger
42-461-41436 SEBASTIAN 19-18-C · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
Yates 2,530'Grayburg 4,222'San Andres 4,235'San Andres 4,385'Clear Fork 6,476'Spraberry 7,338'Dean 8,744'Wolfcamp 8,936'Grayburg Fusselman Devonian Strawn +1 more
42-461-41437 SEBASTIAN 19-18-C · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
Yates 2,534'Grayburg 4,220'San Andres 4,239'San Andres 4,419'Clear Fork 6,476'Spraberry 7,344'Dean 8,746'Wolfcamp 8,943'Grayburg Yates Strawn Devonian +1 more
42-461-40843 SEBASTIAN 19-18-A · PARSLEY ENERGY OPERATIONS, LLC
0.1 mi
San Andres 4,272'Clear Fork 6,475'Spraberry 7,296'Wolfcamp 8,942'Ellenburger Strawn Grayburg Yates Devonian Fusselman
42-461-40842 SEBASTIAN 19-18-A · PARSLEY ENERGY OPERATIONS, LLC
0.1 mi
San Andres 4,278'Clear Fork 6,470'Spraberry 7,301'Dean 8,739'Wolfcamp 8,933'Devonian Grayburg Yates Strawn Fusselman
42-461-40844 SEBASTIAN 19-18-A · PARSLEY ENERGY OPERATIONS, LLC
0.1 mi
San Andres 4,295'Clear Fork 6,494'Spraberry 7,316'Dean 8,754'Wolfcamp 8,944'Fusselman Devonian Strawn Grayburg Yates
42-461-40647 SEBASTIAN *19-30A · PARSLEY ENERGY OPERATIONS, LLC
0.1 mi
San Andres 4,302'Spraberry 7,348'Dean 8,772'Wolfcamp 8,971'Grayburg Yates Strawn Ellenburger Devonian Fusselman
42-461-40650 SEBASTIAN *19-30A · PARSLEY ENERGY OPERATIONS, LLC
0.1 mi
San Andres 4,303'Clear Fork 6,511'Spraberry 7,351'Dean 8,773'Wolfcamp 8,970'Strawn Grayburg Yates Devonian Fusselman

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
9,250–16,561 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"500 ft545 sx
9.625"8,456 ft1,240 sx
5.5"16,658 ft2,415 sx

Permit History (2)

Applications (2)

#860724 A PARSLEY ENERGY OPERATIONS, LLC
received 2020-02-05
#860724 A PARSLEY ENERGY OPERATIONS, LLC
received 2020-01-09

Records & Logs

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

W-2/G-1 2021-07-02 log on file
W-2/G-1 2020-12-15 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.

Lat 31.608321
Lon -101.917607

Well Details

Well Number
4104H
Max Depth
9,560 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2021-03-04

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
15,474