42-173-32188

Final Completion

RILEY MYRL

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

Permits

1

Max Depth

8,700 ft

First Permit

1991-11-12

Latest Activity

1991-11-12

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1992-02-11

Shut-In

Plugged

2025-07-13

!

EWA / Permit operator mismatch

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

Resolved via: schedulingPIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2025-09

Lease Production

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

Formation Tops (4) Elevation 2,696 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
REDBEDS300 ft+2,396 ft
UPPER SPRABERRY (Spraberry)6,732 ft-4,036 ft
LOWER SPRABERRY (Spraberry)7,454 ft-4,758 ft
DEAN 8,130 ft-5,434 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 (3)

IntervalType
6,752–6,775 ftPerforated
7,468–7,680 ftPerforated
8,158–8,372 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"316 ft342 sx
8.625"4,630 ft1,000 sx
4.5"8,450 ft1,400 sx

Permit History (1)

Applications (1)

#393578 A COX, JOHN L.
received 1991-11-04

Records & Logs

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

W-2/G-1 1992-02-25 log on file
W-2/G-1 1992-03-25

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
6
Max Depth
8,700 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Completed
1992-02-11

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