42-135-41451

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VAUGHAN-LENN 36

ECTOR County · District 8 · PIONEER NATURAL RES. USA INC. · SALLIE ANN (SPRABERRY-WOLFCAMP)

Permits

1

Max Depth

10,700 ft

First Permit

2011-12-10

Latest Activity

2011-12-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2012-09-05

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2012-01

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 (6) Elevation 2,960 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP OF CLEARFORK (Clear Fork)6,970 ft-4,010 ft
TOP UPPER SPRABERRY (Spraberry)7,784 ft-4,824 ft
TOP LOWER SPRABERRY (Spraberry)8,438 ft-5,478 ft
TOP OF DEAN (Dean)8,851 ft-5,891 ft
TOP OF WOLFCAMP (Wolfcamp)9,000 ft-6,040 ft
TOP OF STRAWN (Strawn)9,954 ft-6,994 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
7,151–7,420 ftPerforated
7,832–8,395 ftPerforated
8,701–8,905 ftPerforated
9,009–9,934 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,518 ft570 sx
4.5"10,249 ft1,090 sx

Permit History (1)

Applications (1)

#729545 A PIONEER NATURAL RES. USA, INC.
received 2011-12-07

Records & Logs

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

W-2/G-1 2012-10-01
W-2/G-1 2012-06-26 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 ECTOR County.

Well Details

Well Number
2
Max Depth
10,700 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
2012-09-05

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
15,400