← Wells

42-461-35453

Final Completion

XBC 84

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

Permits

2

Max Depth

11,000 ft

First Permit

2007-08-20

Latest Activity

2014-10-14

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-11-20

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2007-11

Last Production

2026-07

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (8) Elevation 2,693 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,970 ft-4,277 ft
UPPER SPRABERRY (Spraberry)6,970 ft-4,277 ft
LOWER SPRABERRY (Spraberry)7,568 ft-4,875 ft
TOP LOWER SPRABERRY (Spraberry)7,568 ft-4,875 ft
DEAN 8,380 ft-5,687 ft
TOP DEAN (Dean)8,380 ft-5,687 ft
TOP WOLFCAMP (Wolfcamp)8,576 ft-5,883 ft
TO WOLFCAMP8,576 ft-5,883 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 (6)

IntervalType
8,443–8,567 ftPerforated
8,443–10,019 ftPerforated
8,772–8,892 ftPerforated
8,995–9,171 ftPerforated
9,270–9,469 ftPerforated
9,691–10,019 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"445 ft250 sx
4.5"10,354 ft1,030 sx

Permit History (2)

#797386 Field Transfer Final Completion

XBC '84' · 10,358 ft

2014-10-14

Spud 2007-09-14

#644613 Drill Final Completion

XBC "84" · 11,000 ft

2007-08-20

Spud 2007-09-14

Applications (2)

#797386 A PIONEER NATURAL RES. USA, INC.
received 2014-09-30
#644613 A PIONEER NATURAL RES. USA, INC.
received 2007-08-17

Records & Logs

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

W-2/G-1 2019-04-18
W-2/G-1 2014-10-23
W-2/G-1 2008-02-04 log on file
W-2/G-1 2008-02-04 log on file
W-2/G-1 2008-02-08
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
843
Max Depth
11,000 ft
Drill Type
Vertical
County
UPTON
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2007-11-20

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
15,400