42-461-42794

PRODUCING Horizontal

SEBASTIAN-FARMS 19D

UPTON County · District 9 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

10,772 ft

First Permit

2024-05-24

Latest Activity

2024-05-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-01-06

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-10

Last Production

2026-07

Lease Production

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

Formation Tops (10) Elevation 2,788 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,537 ft+251 ft
GRAYBURG 4,039 ft-1,251 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,274 ft-1,486 ft
CLEARFORK (Clear Fork)6,472 ft-3,684 ft
SPRABERRY 7,335 ft-4,547 ft
WOLFCAMP 8,936 ft-6,148 ft
DEVONIAN
ELLENBURGER
FUSSELMAN
STRAWN

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
42-461-42793 SEBASTIAN-FARMS 19C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,536'Grayburg 4,061'San Andres 4,301'Clear Fork 6,476'Spraberry 7,336'Wolfcamp 8,933'Ellenburger Strawn Devonian Fusselman
42-461-42795 SEBASTIAN-FARMS 19E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,540'Grayburg 4,052'San Andres 4,284'Clear Fork 6,466'Spraberry 7,329'Wolfcamp 8,926'Devonian Fusselman Ellenburger Strawn
42-461-42792 SEBASTIAN-FARMS 19B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,535'Grayburg 4,067'San Andres 4,301'Clear Fork 6,473'Spraberry 7,336'Wolfcamp 8,943'Fusselman Ellenburger Devonian Strawn
42-461-42796 SEBASTIAN-FARMS 19F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,535'Grayburg 4,053'San Andres 4,287'Clear Fork 6,466'Spraberry 7,328'Wolfcamp 8,932'Strawn Ellenburger Devonian Fusselman
42-461-42791 SEBASTIAN-FARMS 19A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,516'Grayburg 4,076'San Andres 5,645'Clear Fork 6,473'Spraberry 7,339'Wolfcamp 8,738'Dean 8,738'Wolfcamp 8,933'Strawn 8,933'Fusselman Ellenburger Devonian +1 more
42-461-41471 SEBASTIAN 19-18-E · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
Yates 2,541'Grayburg 4,200'San Andres 4,236'San Andres 4,379'Clear Fork 6,478'Spraberry 7,345'Dean 8,747'Wolfcamp 8,939'Grayburg Yates Ellenburger Fusselman +2 more
42-461-41466 SEBASTIAN 19-18-D · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
Yates 2,528'Grayburg 4,206'San Andres 4,239'Clear Fork 6,476'Spraberry 7,344'Dean 8,746'Wolfcamp 8,943'Devonian Strawn Ellenburger Yates Fusselman +1 more
42-461-41467 SEBASTIAN 19-18-D · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
Yates 2,534'Grayburg 4,212'San Andres 4,236'San Andres 4,379'Clear Fork 6,478'Spraberry 7,345'Spraberry 7,576'Spraberry 7,945'Spraberry 8,280'Dean 8,747'Wolfcamp 8,939'Yates +4 more

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
9,013–17,274 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,390 ft1,435 sx
9.625"5,717 ft1,471 sx
5.5"17,299 ft776 sx

Permit History (1)

Applications (1)

#899215 A PIONEER NATURAL RES. USA, INC.
received 2024-04-25

Records & Logs

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

W-2/G-1 2026-03-20
W-2/G-1 2026-03-02 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 31.608689
Lon -101.913436

Well Details

Well Number
4H
Max Depth
10,772 ft
Drill Type
Horizontal
County
UPTON
District
9
Completed
2026-01-06

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