42-033-31480

Final Completion

MILLER RALPH 521

BORDEN County · District 8 · SHENANDOAH PETROLEUM CORPORATION · MYRTLE NORTH (ELLENBURGER)

Permits

Max Depth

8,400 ft

First Permit

1990-09-26

Latest Activity

1991-03-12

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-02-13

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SHENANDOAH PETROLEUM CORPORATION ≠ Production: BRIDWELL OIL CO. (reported 2026-04)

Resolved via: production → BRIDWELL OIL CO.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

SHENANDOAH PETROLEUM CORPORATION 1993-1994→ BROTHERS PRODUCTION COMPANY INC. 1994-2004→ TEON MANAGEMENT, LLC 2004-2006→ NORTH AMERICAN PETRO CORP USA 2006-2009→ BRIDWELL OIL CO. 2009-2026

Lease Production

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

Formation Tops (7) Elevation 2,618 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	1,399 ft	+1,219 ft
SAN ANDRES	2,408 ft	+210 ft
CANYON SHALE (Canyon)	7,558 ft	-4,940 ft
STRAWN	7,784 ft	-5,166 ft
MISSISSIPPI DET. (Mississippian)	8,138 ft	-5,520 ft
MISSISSIPPI LIME (Mississippian)	8,200 ft	-5,582 ft
ELLENBURGER	8,304 ft	-5,686 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 (2)

Interval	Type
8,154–8,160 ft	Perforated
8,304–8,312 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	240 ft	260 sx
8.625"	3,530 ft	600 sx
5.5"	8,300 ft	660 sx

Permit History (2)

#385939 Recompletion Final Completion

MILLER, RALPH "521" · 8,312 ft

1991-03-12

Spud 1991-01-12

#378556 Drill Final Completion

MILLER, RALPH "521" · 8,400 ft

1990-09-26

Spud 1991-01-12

Applications (2)

#385939 A SHENANDOAH PETROLEUM CORPORATION

received 1991-03-20

#378556 A SHENANDOAH PETROLEUM CORPORATION

received 1990-09-26

Records & Logs

4 completion filings on record · 3 with log images at RRC.

W-2/G-1 1991-03-19 log on file

W-2/G-1 1991-03-01 log on file

W-2/G-1 1991-03-05

Completion packets + logs ↗ Wellbore filings ↗

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 BORDEN County.

Well Details

Well Number: 1
Max Depth: 8,400 ft
Drill Type: Vertical
County: BORDEN
District: 8
Operator: SHENANDOAH PETROLEUM CORPORATION
Completed: 1991-02-13

Operator

Name: SHENANDOAH PETRO CORP
Location: MIDLAND
P-5 Status: Active (filed 2025-09-09)
Cum Oil (all leases): 3,878,272 bbl
Cum Gas (all leases): 7,201,490 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 236