42-461-39238

PRODUCING

MILDRED 34

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

Permits

1

Max Depth

11,900 ft

First Permit

2014-01-23

Latest Activity

2014-01-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-05-29

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: schedulingPIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2014-03

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 2,741 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES - SALTWATER FLOW (San Andres)4,150 ft-1,409 ft
SPRABERRY 7,200 ft-4,459 ft
WOLFCAMP 8,825 ft-6,084 ft
STRAWN 10,520 ft-7,779 ft
PENNSYLVANIAN 11,035 ft-8,294 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
8,849–11,826 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"405 ft445 sx
8.625"4,900 ft640 sx
5.5"11,900 ft1,446 sx

Permit History (1)

Applications (1)

#776861 A PARSLEY ENERGY OPERATIONS, LLC
received 2014-01-08

Records & Logs

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

W-2/G-1 2014-10-29 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
2
Max Depth
11,900 ft
Drill Type
Vertical
County
UPTON
District
7
Completed
2014-05-29

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