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VFSI Performance
The combination of screen surface area, high g’s and screen motion makes
the VFSI line of shale shakers one of the best performing machines in the industry.
Screen Surface Area
Screen Surface area to a great extent establishes the fluid throughput of the
machine. The Orbital 3000 Dual has 60 ft2 of screening area and the Orbital 3000 has
30 ft2 of screening area. This makes the Orbital shakers among the largest in the
drilling industry. At the same time, the footprint of the Orbital 3000 Dual is approximately
10’ 6” long and 13‘ wide and the Orbital 3000 shaker is 10’ 3” long and 5’ 1" wide.
Low Weir Height
The Orbital 3000 at 25-1/5" weir height, has one of the lowest weir heights in the
industry. This allows placement on rigs with limited bell nipple-to-pit drop.
The Orbital 3000 Dual has 30-1/2" weir height and is also one of the lowest in the
industry. VFSI also offers an Orbital 3000 Dual weir height of 27-1/2" upon request.
G-Forces
Increasing g’s increases liquid throughput. Increasing g’s also increases
solids conveyance. By conveying solids out of the way, liquid throughput is
increased. The Orbital 3000, Orbital 3000 Dual, and Orbital Mud Cleaner is
capable of over 6 g’s.
Screen Motion
The Orbital 3000 uses a patented progressive orbital motion. The machine
produces narrow ellipses at the feed end with broader ellipses at the
discharge.
Minimal Screen Cost
The Orbital 3000 shaker uses four frame screens that have been shown to
have excellent life!
Consider the following:
Justice Drilling reduced screen costs by 1/8 by replacing a competitors
dual with a VFSI Orbital 3000 Dual.
Unit Drilling drilled a 10,000 ft Barnett shale well using six 210 mesh frame
screens.
Mountain Drilling drilled Barnett Shale wells for a month using one set (8
screens for a dual) of 210 frame screens.
Patterson Rig 126 drilled 16,000 ft of hole using one set of DX84 screens.
One 9,000 ft well and 7,000 ft of a second well
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