42-383-40038

PRODUCING Horizontal

KATHRYN 43 AND 42

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

Permits

1

Max Depth

10,099 ft

First Permit

2017-10-20

Latest Activity

2017-10-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-09-24

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

2018-03

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 2,640 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES - SALTWATER FLOW, POS (San Andres)3,570 ft-930 ft
CLEARFORK (Clear Fork)5,914 ft-3,274 ft
SPRABERRY 7,311 ft-4,671 ft
DEAN 8,100 ft-5,460 ft
WOLFCAMP 8,301 ft-5,661 ft
ELLENBURGER
FUSSELMAN
GRAYBURG
QUEEN
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
42-383-40040 KATHRYN 43 AND 42 · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
San Andres 3,743'Clear Fork 5,882'Spraberry 6,672'Dean 8,091'Wolfcamp 8,277'Grayburg Ellenburger Queen Strawn Fusselman
42-383-40039 KATHRYN 43 AND 42 · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
San Andres 3,671'Clear Fork 5,781'Spraberry 6,665'Queen Fusselman Ellenburger Strawn Grayburg
42-383-40041 KATHRYN 43 AND 42 · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
San Andres 3,742'Clear Fork 5,884'Spraberry 6,657'Dean 8,092'Wolfcamp 8,277'Fusselman Queen Ellenburger Strawn Grayburg
42-383-39935 ALEXANDER SWD · ENVIRONMENTAL DISPOSAL SYSTEMS
0.5 mi
Queen 3,111'Grayburg 3,710'San Andres 4,195'Fusselman Clear Fork Strawn Ellenburger Spraberry
42-383-40358 WELCH TRUST 8-7-E · PARSLEY ENERGY OPERATIONS, LLC
0.6 mi
San Andres 3,670'Clear Fork 5,853'Spraberry 6,754'Dean 8,155'Wolfcamp 8,338'Strawn Fusselman Grayburg Queen Ellenburger
42-383-40357 WELCH TRUST 8-7-E · PARSLEY ENERGY OPERATIONS, LLC
0.6 mi
San Andres 3,673'Clear Fork 5,854'Spraberry 6,756'Dean 8,148'Wolfcamp 8,332'Grayburg Fusselman Queen Ellenburger Strawn
42-383-40359 WELCH TRUST 8-7-E · PARSLEY ENERGY OPERATIONS, LLC
0.6 mi
San Andres 3,675'Clear Fork 5,855'Spraberry 6,756'Dean 8,151'Wolfcamp 8,332'Fusselman Queen Ellenburger Strawn Grayburg
42-461-40062 K-BIRD 8 · PARSLEY ENERGY OPERATIONS, LLC
0.9 mi
San Andres 4,100'Spraberry 6,500'Wolfcamp 8,291'Devonian Fusselman Strawn Grayburg Yates Ellenburger

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
9,907–20,301 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"461 ft455 sx
9.625"8,282 ft715 sx
5.5"20,376 ft2,930 sx

Permit History (1)

Applications (1)

#831879 A PARSLEY ENERGY OPERATIONS, LLC
received 2017-10-11

Records & Logs

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

W-2/G-1 2019-11-20 log on file
W-2/G-1 2018-11-02 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 31.453019
Lon -101.762403

Well Details

Well Number
4803H
Max Depth
10,099 ft
Drill Type
Horizontal
County
REAGAN
District
7
Completed
2018-09-24

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