42-461-33130

DOLLIE RUTH "16"

UPTON County · District 7 · PIONEER NATURAL RES. USA, INC.

Permits

Max Depth

8,500 ft

First Permit

1991-01-15

Latest Activity

1997-11-12

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2015-07

Operator History

Chain of Custody

PARKER & PARSLEY DEVELOPMENT CO. 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-2015

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 (4) Elevation 2,716 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)	6,940 ft	-4,224 ft
TOP LOWER SPRABERRY (Spraberry)	7,590 ft	-4,874 ft
TOP DEAN (Dean)	8,270 ft	-5,554 ft
BASE DEAN (Dean)	8,480 ft	-5,764 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)

Interval	Type
6,975–7,222 ft	Perforated
7,598–7,931 ft	Perforated
8,292–8,447 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	465 ft	350 sx
4.5"	8,500 ft	1,300 sx

Permit History (2)

#470028 Recompletion

DOLLIE RUTH "16" · 6,860 ft

1997-11-12

#383365 Drill Final Completion

DOLLIE RUTH "C" · 8,500 ft

1991-01-15

Spud 1991-02-11

Applications (2)

#470028 A PIONEER NATURAL RES. USA, INC.

received 1997-11-12

#383365 A PARKER & PARSLEY, LTD.

received 1991-01-11

Records & Logs

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

W-2/G-1 1991-04-29 log on file

W-2/G-1 1991-05-06

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 UPTON County.

Well Details

Well Number: 1
Max Depth: 8,500 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: PIONEER NATURAL RES. USA, INC.

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: 15,403