42-317-35159

OBSERVATION

ALLAR 11

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

Permits

2

Max Depth

9,500 ft

First Permit

2008-01-15

Latest Activity

2008-01-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-02-27

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-05

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 (6) Elevation 2,518 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,722 ft-4,204 ft
TOP UPR SPRABERRY6,722 ft-4,204 ft
TOP LOWER SPRABERRY (Spraberry)7,216 ft-4,698 ft
TOP LWR SPRABERRY7,216 ft-4,698 ft
TOP DEAN (Dean)8,014 ft-5,496 ft
TOP WOLFCAMP (Wolfcamp)8,218 ft-5,700 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 (4)

IntervalType
7,484–7,559 ftPerforated
8,152–8,207 ftPerforated
8,328–8,366 ftPerforated
8,634–8,662 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"354 ft250 sx
4.5"9,438 ft925 sx

Permit History (2)

Applications (2)

#652621 A PIONEER NATURAL RES. USA, INC.
received 2008-01-23
#652621 A PIONEER NATURAL RES. USA, INC.
received 2008-01-08

Records & Logs

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

W-2/G-1 2019-02-05
W-2/G-1 2008-08-18 log on file
W-2/G-1 2008-11-20
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 MARTIN County.

Well Details

Well Number
2
Max Depth
9,500 ft
Drill Type
Vertical
County
MARTIN
District
8
Completed
2018-02-27

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
15,423