42-255-31848

PRODUCING Horizontal

MARGARET UNIT 1

KARNES County · District 2 · SILVER HILL ENERGY OPERATING LLC · EAGLEVILLE (EAGLE FORD-2)

Permits

2

Max Depth

11,500 ft

First Permit

2011-01-21

Latest Activity

2011-01-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-04-20

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: SILVER HILL ENERGY OPERATING LLC ≠ Permit: RILEY EXPLORATION, LLC

Resolved via: productionSILVER HILL ENERGY OPERATING LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-04

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 (4) Elevation 323 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ANACACHO 10,484 ft-10,161 ft
AUSTIN CHALK 10,633 ft-10,310 ft
UPPER EAGLE FORD (Eagle Ford)10,894 ft-10,571 ft
UPPER EAGLEFORD (Eagle Ford)10,894 ft-10,571 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
11,119–16,423 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,970 ft1,225 sx
5.5"16,667 ft1,400 sx

Permit History (2)

Applications (2)

#709018 A RILEY EXPLORATION, LLC
received 2012-02-08
#709018 A RILEY EXPLORATION, LLC
received 2011-01-21

Records & Logs

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

W-2/G-1 2012-02-08
W-2/G-1 2011-05-23 log on file

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 KARNES County.

Well Details

Well Number
1H
Max Depth
11,500 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2011-04-20

Operator

Location
DALLAS
P-5 Status
Active (filed 2026-03-19)
Cum Oil (all leases)
272,136 bbl
Cum Gas (all leases)
244,862,214 mcf
Activities
CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
162