42-235-31896

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

1982-03-03

Latest Activity

1982-03-03

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2023-12-19

Shut-In

Plugged

2025-03-13

!

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 2,517 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)5,030 ft-2,513 ft
LOWER SPRABERRY (Spraberry)5,590 ft-3,073 ft
DEAN 6,410 ft-3,893 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
5,033–6,610 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"650 ft400 sx
2.375"5,120 ft
4.5"6,650 ft1,000 sx

Permit History (1)

Applications (1)

#152584 A COX, JOHN L.
received 1982-03-03

Records & Logs

3 completion filings on record.

W-2/G-1 2024-01-17
W-2/G-1 1982-04-21
W-2/G-1 1982-04-21
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
12-X
Max Depth
7,500 ft
Drill Type
Vertical
County
IRION
District
7
Completed
2023-12-19

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