42-227-34235

Final Completion

UMPHRESS C. F. ET AL

HOWARD County · District 8 · RRIG EXPLORATION LLC · SAND SPRINGS (FUSSELMAN)

Permits

Max Depth

9,500 ft

First Permit

1987-11-30

Latest Activity

2009-03-13

Lifespan

21 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2009-02-22

Shut-In

—

Plugged

2011-07-21

EWA / Permit operator mismatch

Scheduling: RRIG EXPLORATION LLC ≠ Permit: CIMAREX ENERGY CO. OF COLORADO

Resolved via: scheduling → RRIG EXPLORATION LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MERIDIAN OIL INC. 1993-1996→ BURLINGTON RESOURCES OIL&GAS CO. 1996-1997→ GRUY PETROLEUM MANAGEMENT CO. 1997-2006→ CIMAREX ENERGY CO. OF COLORADO 2006-2012→ MERIT ENERGY COMPANY 2013-2017→ ROVER PETROLEUM OPERATING, LLC 2017-2019→ RRIG EXPLORATION, LLC 2019-2019

Lease Production

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

Formation Tops (6) Elevation 2,487 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	1,460 ft	+1,027 ft
SAN ANDRES	2,650 ft	-163 ft
WOLFCAMP	6,540 ft	-4,053 ft
STRAWN LIME (Strawn)	8,710 ft	-6,223 ft
MISSISSIPPIAN	9,060 ft	-6,573 ft
FUSSELMAN	9,240 ft	-6,753 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 (7)

Interval	Type
9,067–9,073 ft	Perforated
9,067–9,132 ft	Perforated
9,078–9,088 ft	Perforated
9,126–9,132 ft	Perforated
9,249–9,254 ft	Perforated
9,249–9,265 ft	Perforated
9,254–9,265 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	413 ft	525 sx
8.625"	3,233 ft	1,850 sx
5.5"	9,500 ft	1,820 sx

Permit History (2)

#679359 Recompletion Final Completion

UMPHRESS C. F. ET AL · 9,500 ft

2009-03-13

Spud 2009-02-11

#339420 Drill Final Completion

UMPHRESS, C. F. ET AL · 9,500 ft

1987-11-30

Spud 1987-12-01

Applications (2)

#679359 A CIMAREX ENERGY CO. OF COLORADO

received 2009-03-11

#339420 A MERIDIAN OIL INC.

received 1987-11-30

Records & Logs

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

W-2/G-1 2009-03-16 log on file

W-2/G-1 2009-06-30

W-2/G-1 1988-06-08 log on file

W-2/G-1 1988-07-26

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 HOWARD County.

Well Details

Well Number: 1
Max Depth: 9,500 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: RRIG EXPLORATION LLC
Completed: 2009-02-22

Operator

Name: RRIG EXPLORATION, LLC
Location: FORT WORTH
P-5 Status: Active (filed 2025-09-08)
Cum Oil (all leases): 527 bbl
Cum Gas (all leases): 734 mcf
Activities: OPRS/G, OPRS/O