42-003-38355

Final Completion Horizontal

UNIVERSITY G

ANDREWS County · District 8 · CONTANGO RESOURCES LLC · EMBAR (YATES)

Permits

Max Depth

3,300 ft

First Permit

1998-01-09

Latest Activity

1999-04-23

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1998-01-30

Shut-In

—

Plugged

2023-07-14

EWA / Production operator mismatch

Scheduling: CONTANGO RESOURCES LLC ≠ Production: SHERIDAN PRODUCTION COMPANY, LLC (reported 2014-09)

EWA / Permit operator mismatch

Scheduling: CONTANGO RESOURCES LLC ≠ Permit: EASTLAND OIL COMPANY, THE

Resolved via: scheduling → CONTANGO RESOURCES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1998-01

Last Production

2023-07

Operator History

Chain of Custody

EASTLAND OIL COMPANY, THE 1999-2000→ SEGCO OIL & GAS INC 2001-2004→ SLOAN PETROLEUM INC. 2005-2009→ OK ARENA OPERATING COMPANY 2009-2010→ SANDRIDGE EXPL. AND PROD., LLC 2010-2012→ SHERIDAN PRODUCTION COMPANY, LLC 2014-2014

Lease Production

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

Gas

production & DCA →

Formation Tops (2) Elevation 3,237 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	2,558 ft	+679 ft
YATES SAND (Yates)	2,558 ft	+679 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 (3)

Interval	Type
2,571–2,616 ft	Perforated
2,847–3,832 ft	Perforated
2,847–4,397 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	365 ft	165 sx
7"	2,847 ft	545 sx

Permit History (2)

#483928 Recompletion Final Completion

UNIVERSITY "G" · 2,810 ft

1999-04-23

Spud 1998-01-20

#471905 Drill Final Completion

UNIVERSITY "G" · 3,300 ft

1998-01-09

Spud 1998-01-19

Applications (2)

#483928 A EASTLAND OIL COMPANY, THE

received 1999-04-16

#471905 A BLUE DOLPHIN EXPLORATION COMPANY

received 1998-01-07

Records & Logs

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

W-2/G-1 1999-01-08 log on file

W-2/G-1 1999-02-23

W-2/G-1 1999-04-29

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 ANDREWS County.

Well Details

Well Number: 312
Max Depth: 3,300 ft
Drill Type: Horizontal
County: ANDREWS
District: 8
Operator: CONTANGO RESOURCES LLC
Completed: 1998-01-30

Operator

Name: CONTANGO RES, LLC
Location: ANDREWS
P-5 Status: Inactive (filed 2025-02-20)
Cum Oil (all leases): 10,553,352 bbl
Cum Gas (all leases): 10,560,139 mcf
Activities: OPRS/G
Total Permits: 13