← Wells

42-173-34880

INJECTION

WINSLOW B

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

Permits

1

Max Depth

4,950 ft

First Permit

2012-03-23

Latest Activity

2012-03-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-12-04

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2010-11

Last Production

2026-07

Injection / Disposal

GLASSCOCK County disposal market →
W-14 Disposal Active UIC #000104799 permitted 2012-03-12

Permitted Volume

10,000 bbl/d

Max Pressure

1,850 psi

Injection Interval

3,700–4,400 ft

Injected (12mo)

100,013 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-01-01)

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 (1) Elevation 2,608 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 3,600 ft-992 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 (1)

IntervalType
4,050–4,325 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"347 ft200 sx
5.5"4,521 ft600 sx

Permit History (1)

#735910 Drill Final Completion

WINSLOW 'B' · 4,950 ft

2012-03-23

Spud 2012-06-18

Applications (1)

#735910 A PIONEER NATURAL RES. USA, INC.
received 2012-03-12

Records & Logs

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

W-2/G-1 2020-12-22
W-2/G-1 2012-11-19 log on file
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 GLASSCOCK County.

Well Details

Well Number
3D
Max Depth
4,950 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2020-12-04

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
15,399