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42-489-30876

Final Completion

SAUZ RANCH MULATOS PASTURE

WILLACY County · District 4 · FLINT OAK ENERGY, LLC

Permits

4

Max Depth

9,060 ft

First Permit

1985-07-18

Latest Activity

2013-02-13

Lifespan

28 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1996-1997→ PIONEER NATURAL RES. USA, INC. 1997-1999→ PRIZE OPERATING COMPANY 1999-2002→ GRUY PETROLEUM MANAGEMENT CO. 2002-2006→ CIMAREX ENERGY CO. OF COLORADO 2006-2011→ FLINT OAK ENERGY, LLC 2011-2014→ CHESTNUT EXPLOR. AND PROD., INC. 2014-2017

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (1) Elevation 32 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))6,749 ft-6,717 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)

IntervalType
6,749–6,756 ftPerforated
7,826–7,914 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,597 ft1,045 sx
5.5"8,083 ft790 sx

Permit History (4)

#756366 Recompletion Final Completion

SAUZ RANCH MULATOS PASTURE · 8,090 ft

2013-02-13

Spud 2013-02-23

#756366 Recompletion

SAUZ RANCH MULATOS PASTURE · 8,090 ft

2013-02-13

#426937 Recompletion

SAUZ RANCH MULATOS PASTURE · 6,806 ft

1994-08-15

#280439 Drill Final Completion

SAUZ RANCH MULATOS PASTURE · 9,060 ft

1985-07-18

Spud 1985-09-19

Applications (4)

#756366 A FLINT OAK ENERGY, LLC
received 2013-03-04
#756366 A FLINT OAK ENERGY, LLC
received 2013-02-06
#426937 A EXXON CORP.
received 1994-08-12
#280439 A EXXON CORP.
received 1985-06-20

Records & Logs

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

W-2/G-1 2013-04-11 log on file
W-2/G-1 1986-07-15 log on file
W-2/G-1 1986-07-19
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 WILLACY County.

Well Details

Well Number
207
Max Depth
9,060 ft
Drill Type
Vertical
County
WILLACY
District
4
Operator
FLINT OAK ENERGY, LLC

Operator

Location
MONTGOMERY
P-5 Status
Active (filed 2026-04-15)
Cum Oil (all leases)
675,155 bbl
Cum Gas (all leases)
737,870 mcf
Activities
OPRS/G, OPRS/O
Total Permits
14