42-317-33501

Final Completion

TUNNELL

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

Permits

1

Max Depth

9,175 ft

First Permit

1987-12-21

Latest Activity

1987-12-21

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-02-29

Shut-In

Plugged

2013-02-14

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: PARKER & PARSLEY PETROLEUM CO.

Resolved via: schedulingPIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2014-02

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (4) Elevation 2,811 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)7,527 ft-4,716 ft
LOWER SPRABERRY (Spraberry)8,154 ft-5,343 ft
DEAN 8,780 ft-5,969 ft
BASE DEAN (Dean)9,060 ft-6,249 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 (3)

IntervalType
7,542–7,710 ftPerforated
7,790–8,440 ftPerforated
8,800–9,096 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"267 ft350 sx
8.625"3,952 ft250 sx
4.5"9,200 ft800 sx

Permit History (1)

Applications (1)

#340487 A PARKER & PARSLEY PETROLEUM CO.
received 1987-12-21

Records & Logs

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

W-2/G-1 2009-12-21
W-2/G-1 1988-04-29 log on file
W-2/G-1 1988-05-11
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
1
Max Depth
9,175 ft
Drill Type
Vertical
County
MARTIN
District
8
Completed
1988-02-29

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
15,425