42-329-31392

Final Completion

TEXAS TEN -D-

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

Permits

Max Depth

11,600 ft

First Permit

1984-09-17

Latest Activity

1987-05-04

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-04-23

Shut-In

—

Plugged

2011-07-11

EWA / Permit operator mismatch

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

Resolved via: scheduling → PIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2011-12

Operator History

Chain of Custody

PARKER & PARSLEY DEVELOPMENT CO. 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-2008

Lease Production

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

Oil

production & DCA →

Formation Tops (9) Elevation 2,747 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	6,840 ft	-4,093 ft
SPRABERRY	7,715 ft	-4,968 ft
T. UPPER SPRABERRY	7,718 ft	-4,971 ft
T. LOWER SPRABERRY	8,385 ft	-5,638 ft
T. DEAN	9,052 ft	-6,305 ft
WOLFCAMP	9,270 ft	-6,523 ft
B. DEAN	9,278 ft	-6,531 ft
STRAWN	10,650 ft	-7,903 ft
ATOKA	10,875 ft	-8,128 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 (5)

Interval	Type
7,739–7,975 ft	Perforated
8,416–8,673 ft	Perforated
9,071–9,345 ft	Perforated
10,681–10,743 ft	Perforated
11,312–11,324 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	362 ft	400 sx
9.625"	4,525 ft	2,200 sx
5.5"	11,541 ft	2,755 sx

Permit History (3)

#329636 Recompletion Final Completion

TEXAS TEN "D" · 11,550 ft

1987-05-04

#301042 Recompletion U

TEXAS TEN D · 11,600 ft

1986-04-15

#251582 Drill Final Completion

TEXAS TEN · 11,600 ft

1984-09-17

Spud 1985-05-14

Applications (4)

#329636 A PARKER & PARSLEY PETROLEUM CO.

received 1987-04-30

#301042 A EXXON CORP.

received 1986-04-15

#251582 A EXXON CORP.

received 1985-04-16

#251582 A EXXON CORP.

received 1984-09-17

Records & Logs

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

W-2/G-1 2011-02-07

W-2/G-1 1987-05-20 log on file

W-2/G-1 1987-05-29

W-2/G-1 1987-05-20

W-2/G-1 1986-07-14 log on file

+3 more filings

Completion packets + logs ↗ Wellbore filings ↗

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: 1
Max Depth: 11,600 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: PIONEER NATURAL RES. USA INC.
Completed: 1987-04-23

Operator

Name: PIONEER NATURAL RES. USA, INC
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: 15,435