42-383-34091

Final Completion

ROCKER B. -N-

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

Permits

1

Max Depth

6,850 ft

First Permit

1991-03-13

Latest Activity

1991-03-13

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-05-18

Shut-In

Plugged

2024-03-15

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: GRAHAM ROYALTY, LTD.

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 (5) Elevation 2,471 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)5,182 ft-2,711 ft
MIDDLE SPRABERRY (Spraberry)5,740 ft-3,269 ft
UPPER SPRABERRY (Spraberry)6,156 ft-3,685 ft
DEAN 6,580 ft-4,109 ft
WOLFCAMP 6,736 ft-4,265 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 (4)

IntervalType
5,183–5,213 ftPerforated
5,683–5,830 ftPerforated
6,064–6,186 ftPerforated
6,593–6,730 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"675 ft300 sx
5.5"6,850 ft820 sx

Permit History (1)

Applications (1)

#385443 A GRAHAM ROYALTY, LTD.
received 1991-03-08

Records & Logs

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

W-2/G-1 1991-06-17 log on file
W-2/G-1 1991-06-26
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 REAGAN County.

Well Details

Well Number
36
Max Depth
6,850 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
1991-05-18

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
15,403