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TJM Drilling Equipment & Supplies is backed by over fifty years experience in sales and servicing in the water well, quarry, aggregate, dimensional stone, construction and mining drilling industries. In addition TJM has hands on field experience and knowledge to understand the true needs and urgency their customers require. TJM Drilling Equipment & Supplies is the exclusive dealer for HD Engineering hydraulic crawler drill rigs. TJM is also direct distributors for grout plants, air compressors, caisson drill rigs, blast hole drill rigs, onsite drill cuttings bioremediation equipment and solids control systems. In addition to equipment, TJM offers DTH hammers & bits, top hammer drill rods & bits, casing and anything needed for your company to complete your job effectively. Making TJM your one stop shop with the finest products in the industry with a devoted staff committed to excellence.

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TYPES OF EQUIPMENT

Grout Plants And Pumps
Air Compressors
Hydraulic Crawler Drill Rigs

Solids Control
Remediation
Casing System

Down Hole Hammers
Concentric Overburden Systems
Eccentric Overburden Systems

Shock Subs
Top Hammer Drilling
Casing And Drill Rods

Benseal

Benseal

Description

BENSEAL® granular (8-mesh), natural Wyoming sodium bentonite is used in the sealing and grouting of well casings and earthen structures. BENSEAL is not recommended for use as a drilling mud.
Applications/ Functions
BENSEAL sealing and plugging agent assists or promotes the following:
y Seal or grout plastic or steel casings in monitor and water well construction y Seal or plug abandoned boreholes y Seal leaking ponds, ditches and dams y Soil stabilization  y Prepare BENSEAL and EZ-MUD® grouting system y Aid in controlling loss of circulation
Advantages  y High swelling capacity  y Uniform particle size y No heat of hydration y Prevents commingling of aquifers and contamination from surface y Forms a flexible seal to protect casing from corrosive contaminants y Allows for hole re-entry y NSF/ANSI Standard 60 certified
Typical Properties
y Appearance y Dry screen analysis  y Volume, ft3 /sack y Specific gravity  y Permeability
Bluish to gray granules 85% as 8 mesh 0.7 (as packaged) 2.6  less than 1 x 10-8 cm/sec (in fresh water)
Recommended Treatment
As a casing drill and drive operation:
1. Dig a cone-shaped depression around casing.  Depression should be 6 – 8 inches (152-203 mm) larger than the outside diameter of the casing and 2 – 3 feet (60-75 cm) deep. 2. Keep cone-shaped depression filled with dry BENSEAL while driving the casing

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