42-461-39233

Final Completion

MARY 18B

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

Permits

2

Max Depth

11,800 ft

First Permit

2014-01-18

Latest Activity

2014-01-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2014-06-20

Shut-In

Plugged

2022-09-15

!

EWA / Permit operator mismatch

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

Resolved via: schedulingPIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2013-08

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 2,812 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES - SALTWATER FLOW (San Andres)4,550 ft-1,738 ft
SPRABERRY 7,600 ft-4,788 ft
WOLFCAMP 9,150 ft-6,338 ft
STRAWN 10,450 ft-7,638 ft
PENNSYLVANIAN 10,970 ft-8,158 ft
DEVONIAN
ELLENBURGER
FUSSELMAN
GRAYBURG
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 ↗

Perforations (1)

IntervalType
8,734–11,716 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"386 ft420 sx
8.625"5,029 ft663 sx
5.5"11,825 ft1,421 sx

Permit History (2)

Applications (2)

#776391 A PARSLEY ENERGY OPERATIONS, LLC
received 2014-08-01
#776391 A PARSLEY ENERGY OPERATIONS, LLC
received 2013-12-30

Records & Logs

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

W-2/G-1 2014-11-03 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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in UPTON County.

Well Details

Well Number
6
Max Depth
11,800 ft
Drill Type
Vertical
County
UPTON
District
7
Completed
2014-06-20

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
15,491