42-383-34881

Final Completion

UNIVERSITY 13

REAGAN County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

2

Max Depth

11,500 ft

First Permit

1997-11-12

Latest Activity

1999-01-13

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1999-01-18

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: VISTA RESOURCES, INC. (A)

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 (7) Elevation 2,651 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,812 ft+839 ft
SEVEN RIVERS 1,950 ft+701 ft
QUEEN 2,494 ft+157 ft
GRAYBURG MKR (Grayburg)3,032 ft-381 ft
DEAN 7,044 ft-4,393 ft
WOLFCAMP 7,210 ft-4,559 ft
ELLENBURGER 9,530 ft-6,879 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 (7)

IntervalType
5,755–5,765 ftPerforated
6,398–6,580 ftPerforated
7,087–7,152 ftPerforated
9,010–9,180 ftPerforated
9,300–9,540 ftPerforated
9,508–9,540 ftPerforated
10,406–10,426 ftPerforated

Casing (6)

SizeSet DepthCement
13.375"760 ft655 sx
13.375"761 ft655 sx
9.625"3,615 ft2,160 sx
9.625"3,616 ft2,160 sx
5.5"10,980 ft2,000 sx
5.5"10,988 ft2,000 sx

Permit History (2)

Applications (2)

#481089 A VISTA RESOURCES, INC. (A)
received 1998-11-23
#469960 A MARATHON OIL COMPANY
received 1997-11-12

Records & Logs

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

W-2/G-1 1999-03-11
W-2/G-1 1999-03-11
W-2/G-1 1998-07-22 log on file
W-2/G-1 1998-07-22 log on file
W-2/G-1 1998-07-31
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 REAGAN County.

Well Details

Well Number
6
Max Depth
11,500 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
1999-01-18

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
15,403