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42-115-32421

Final Completion

ECHOLS (SPRABERRY) UNIT

DAWSON County · District 8 · CGS OPERATING LLC · ECHOLS (SPRABERRY)

Permits

1

Max Depth

9,000 ft

First Permit

1987-02-02

Latest Activity

1987-02-02

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-08-31

Shut-In

—

Plugged

2012-12-05

!

EWA / Production operator mismatch

Scheduling: CGS OPERATING LLC ≠ Production: MAMMOTH EXPLORATION LLC (reported 2021-09)

!

EWA / Permit operator mismatch

Scheduling: CGS OPERATING LLC ≠ Permit: DAVIS & CARR ENERGY CO.

Resolved via: scheduling → CGS OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2023-05

Operator History

Chain of Custody

BRIDGE OIL COMPANY, L. P. 1993-1994→ PARKER & PARSLEY DEVELOPMENT L.P 1994-1995→ PARKER & PARSLEY PRODUCING L.P. 1995-1997→ PIONEER RESOURCES PRODUCING, L.P 1997-1998→ GREAT WESTERN DRILLING COMPANY 1998-2005→ APEX MINERALS CO. 2005-2005→ KIMBROUGH ENGINEERING CO, LLC 2005-2008→ SAGEBRUSH OILANDGAS COMPANY,LLC 2008-2010→ SABER OIL & GAS VENTURES, LLC 2010-2018→ MAMMOTH EXPLORATION LLC 2018-2021

Lease Production

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

Oil
production & DCA →

Formation Tops (4)

CSV
FormationTop Depth (MD)
ANHYDRITE1,976 ft
SAN ANDRES 4,390 ft
CLEARFORK (Clear Fork)6,287 ft
UPPER SPRAYBERRY (Spraberry)7,864 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Perforations (2)

IntervalType
8,179–8,184 ftPerforated
8,292–8,298 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"392 ft350 sx
9.625"4,450 ft600 sx
4.5"8,550 ft475 sx

Permit History (1)

#325956 Drill Final Completion

ECHOLS, CARSON "B" · 9,000 ft

1987-02-02

Applications (1)

#325956 A DAVIS & CARR ENERGY CO.
received 1987-01-29

Records & Logs

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

W-2/G-1 1987-09-14 log on file
W-2/G-1 1989-09-21
W-2/G-1 1987-09-14 log on file
W-2/G-1 1987-09-18
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 DAWSON County.

Well Details

Well Number
8
Max Depth
9,000 ft
Drill Type
Vertical
County
DAWSON
District
8
Operator
CGS OPERATING LLC
Completed
1987-08-31

Operator

Location
KILGORE
P-5 Status
Inactive (filed 2023-10-18)
Cum Oil (all leases)
540,900 bbl
Cum Gas (all leases)
— mcf
Total Permits
45