42-329-40518

PRODUCING Horizontal

SHACKELFORD I

MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC

Permits

1

Max Depth

10,500 ft

First Permit

2015-09-25

Latest Activity

2015-09-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2017-04-19

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-04

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 (14) Elevation 2,647 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 676 ft+1,971 ft
SANTA ROSA 730 ft+1,917 ft
YATES 2,584 ft+63 ft
SEVEN RIVERS 2,891 ft-244 ft
QUEEN 3,440 ft-793 ft
GRAYBURG 3,957 ft-1,310 ft
GRAYBURG 3,958 ft-1,311 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,166 ft-1,519 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,167 ft-1,520 ft
CLEARFORK (Clear Fork)6,134 ft-3,487 ft
SPRABERRY 7,106 ft-4,459 ft
SPRABERRY UPPER-DEAN (Spraberry)8,466 ft-5,819 ft
SPRABERRY UPPER-DEAN (Spraberry)8,468 ft-5,821 ft
GLORIETA

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
9,106–18,864 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,550 ft1,304 sx
9.625"6,239 ft1,077 sx
5.5"18,960 ft2,096 sx

Permit History (1)

Applications (1)

#810478 A PIONEER NATURAL RES. USA, INC.
received 2015-09-18

Records & Logs

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

W-2/G-1 2017-06-15 log on file
W-2/G-1 2017-04-24

Completion packets open directly (post-2011 filings include attached logs). Log images 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 MIDLAND County.

Well Details

Well Number
3309H
Max Depth
10,500 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2017-04-19

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
15,403