42-329-31718

Final Completion

PRESTON SAM R.

MIDLAND County · District 8 · PARKER & PARSLEY DEVELOPMENT CO. · SPRABERRY(TREND AREA DEAN-WLFCP)

Permits

1

Max Depth

9,500 ft

First Permit

1986-06-18

Latest Activity

1986-06-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-09-20

Shut-In

Plugged

2025-07-30

!

EWA / Production operator mismatch

Scheduling: PARKER & PARSLEY DEVELOPMENT CO. ≠ Production: PIONEER NATURAL RES. USA, INC. (reported 2026-02)

!

EWA / Permit operator mismatch

Scheduling: PARKER & PARSLEY DEVELOPMENT CO. ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.

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 (6) Elevation 2,739 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)7,154 ft-4,415 ft
SPRABERRY 7,156 ft-4,417 ft
TOP LOWER SPRABERRY (Spraberry)7,869 ft-5,130 ft
DEAN 8,545 ft-5,806 ft
TOP DEAN (Dean)8,545 ft-5,806 ft
WOLFCAMP 8,736 ft-5,997 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
7,156–7,390 ftPerforated
7,874–8,116 ftPerforated
8,542–8,896 ftPerforated
8,942–9,443 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"402 ft425 sx
8.625"5,500 ft2,300 sx
5.5"9,500 ft1,825 sx

Permit History (1)

Applications (1)

#303326 A MOBIL PRODUCING TX. & N.M. INC.
received 1986-06-18

Records & Logs

5 completion filings on record · 4 with log images at RRC.

W-2/G-1 1994-12-19 log on file
W-2/G-1 1986-10-31 log on file
W-2/G-1 1986-10-31 log on file
W-2/G-1 1986-10-31 log on file
W-2/G-1 1986-11-04

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
36
Max Depth
9,500 ft
Drill Type
Vertical
County
MIDLAND
District
8
Completed
1986-09-20

Operator

Location
MIDLAND
P-5 Status
Inactive (filed 1994-12-16)
Cum Oil (all leases)
24,612,423 bbl
Cum Gas (all leases)
36,136,116 mcf
Total Permits
961