42-235-31880

Final Completion

ROCKER B

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

Permits

1

Max Depth

7,500 ft

First Permit

1981-12-31

Latest Activity

1981-12-31

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2016-12-08

Shut-In

Plugged

2023-02-13

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: COX, JOHN L.

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 (3) Elevation 2,475 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
REDBEDS650 ft+1,825 ft
LOWER SPRABERRY (Spraberry)5,500 ft-3,025 ft
DEAN 6,290 ft-3,815 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 (2)

IntervalType
5,507–? ftPerforated
?–6,561 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"670 ft450 sx
2.875"5,350 ft
4.5"6,600 ft1,000 sx

Permit History (1)

Applications (1)

#147005 A COX, JOHN L.
received 1981-12-31

Records & Logs

4 completion filings on record.

W-2/G-1 2017-01-11
W-2/G-1 1997-08-19
W-2/G-1 1982-06-28
W-2/G-1 1984-01-12
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 IRION County.

Well Details

Well Number
4-X
Max Depth
7,500 ft
Drill Type
Vertical
County
IRION
District
7
Completed
2016-12-08

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
15,401