42-383-34506

PRODUCING

GRIERSON B

REAGAN County · District 7 · APACHE CORPORATION · GRIERSON SPRING (STRAWN)

Permits

1

Max Depth

9,500 ft

First Permit

1995-11-29

Latest Activity

1995-11-29

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1996-03-30

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: APACHE CORPORATION ≠ Permit: ENRON OIL & GAS COMPANY

Resolved via: production → APACHE CORPORATION

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1996-03

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 2,882 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP SPRABERRY (Spraberry)5,750 ft-2,868 ft
TOP WOLFCAMP (Wolfcamp)7,132 ft-4,250 ft
WOLFCAMP X MARKER (Wolfcamp)7,867 ft-4,985 ft
TOP STRAWN (Strawn)8,784 ft-5,902 ft
TOP DEVONIAN (Devonian)9,015 ft-6,133 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 (5)

IntervalType
8,788–8,793 ftPerforated
8,821–8,835 ftPerforated
8,838–8,849 ftPerforated
8,878–8,880 ftPerforated
8,903–8,906 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"775 ft175 sx
8.625"3,085 ft750 sx
4.5"9,065 ft375 sx

Permit History (1)

Applications (1)

#442335 A ENRON OIL & GAS COMPANY
received 1995-11-29

Records & Logs

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

W-2/G-1 1996-04-19 log on file
W-2/G-1 1996-06-04
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
1
Max Depth
9,500 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
1996-03-30

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-12-03)
Cum Oil (all leases)
615,928,793 bbl
Cum Gas (all leases)
2,702,742,169 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
9,711