42-383-40372

PRODUCING Horizontal

CORMAC 8-17-A

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

Permits

2

Max Depth

9,342 ft

First Permit

2018-08-22

Latest Activity

2018-08-22

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-02-27

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

2019-02

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 2,673 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES - SALTWATER FLOW, POS (San Andres)3,535 ft-862 ft
CLEARFORK (Clear Fork)5,773 ft-3,100 ft
SPRABERRY 6,618 ft-3,945 ft
DEAN 8,043 ft-5,370 ft
WOLFCAMP 8,223 ft-5,550 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
42-383-40373 CORMAC 8-17-A · PARSLEY ENERGY OPERATIONS, LLC
0.0 mi
San Andres 3,543'Clear Fork 5,761'Spraberry 6,628'Dean 8,069'Wolfcamp 8,254'Ellenburger Fusselman Strawn Queen Grayburg
42-383-40543 CORMAC 8-17-C · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 2,943'Clear Fork 5,765'Spraberry 6,604'Queen Fusselman Ellenburger Strawn Grayburg
42-383-40542 CORMAC 8-17-C · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 2,943'Clear Fork 5,765'Spraberry 6,604'Wolfcamp 8,201'Ellenburger Queen Strawn Fusselman Grayburg
42-383-40030 NUNN '5-44' · PARSLEY ENERGY OPERATIONS, LLC
0.4 mi
San Andres 3,690'Clear Fork 5,765'Spraberry 6,624'Dean 8,028'Wolfcamp 8,216'Ellenburger Strawn Queen Grayburg Fusselman
42-383-39995 NUNN '5-44' · PARSLEY ENERGY OPERATIONS, LLC
0.4 mi
San Andres 3,690'Clear Fork 5,765'Spraberry 6,624'Dean 8,028'Wolfcamp 8,216'Ellenburger Fusselman Queen Strawn Grayburg
42-383-39996 NUNN '5-44' · PARSLEY ENERGY OPERATIONS, LLC
0.4 mi
San Andres 3,690'Clear Fork 5,765'Spraberry 6,624'Dean 8,028'Wolfcamp 8,216'Strawn Grayburg Fusselman Queen Ellenburger
42-383-41588 KILLER BEE I 8-5 · DE IV OPERATING, LLC
1.2 mi
Queen 2,864'Grayburg 3,282'San Andres 3,370'Clear Fork 5,641'Spraberry 6,583'Strawn Ellenburger Fusselman
42-383-41589 KILLER BEE J 8-5 · DE IV OPERATING, LLC
1.2 mi
Queen 2,862'Grayburg 3,281'San Andres 3,367'Clear Fork 5,633'Spraberry 6,580'Strawn Fusselman 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
9,154–19,492 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"419 ft445 sx
9.625"8,328 ft660 sx
5.5"19,564 ft2,840 sx

Permit History (2)

Applications (2)

#843779 A PARSLEY ENERGY OPERATIONS, LLC
received 2019-11-11
#843779 A PARSLEY ENERGY OPERATIONS, LLC
received 2018-08-20

Records & Logs

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

W-2/G-1 2019-09-12 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 31.579162
Lon -101.681095

Well Details

Well Number
4401H
Max Depth
9,342 ft
Drill Type
Horizontal
County
REAGAN
District
7
Completed
2019-02-27

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
15,489