42-329-01230

Final Completion

SHACKELFORD SPRABERRY UNIT

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

Permits

2

Max Depth

11,700 ft

First Permit

2002-01-08

Latest Activity

2002-01-08

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

1995-06-06

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: productionPIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (5) Elevation 2,631 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
DEAN 8,503 ft-5,872 ft
U. WOLFCAMP8,726 ft-6,095 ft
L. WOLFCAMP9,274 ft-6,643 ft
PENN (Pennsylvanian)10,348 ft-7,717 ft
ATOKA 10,800 ft-8,169 ft

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
8,503–9,702 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"1,587 ft800 sx
7"5,503 ft100 sx
4.5"11,000 ft345 sx

Permit History (2)

Applications (2)

#516677 A ENDEAVOR ENERGY RESOURCES L.P.
received 2002-09-17
#516677 A ENDEAVOR ENERGY RESOURCES L.P.
received 2002-01-08

Records & Logs

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

W-2/G-1 2003-08-19 log on file
W-2/G-1 2003-10-14
W-2/G-1 1984-01-12

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
2
Max Depth
11,700 ft
Drill Type
Vertical
County
MIDLAND
District
8

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
15,423