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Johnson Screens' Vee-Pack

Some subsurface conditions, such as heaving and very-fine sands, make conventional filter pack placement difficult or impossible. The solution is a Johnson Screens' Vee-Pack screen that has an integral filter pack that creates a filter pack that is 100% void-free.

Insights

A sister product to the stainless steel Muni-Pak™, the PVC Vee-Pack™ contains an integral gravel pack that is held in place between two concentric screens. Advantages to the Vee-Pack include smaller borehole, reduced cuttings disposal and sediment-free sampling. 

The Vee-Pack has a factory-installed re-sieved silica sand filter pack that is uniform and without voids, and the sonic-welded construction eliminates solvents which can affect sample integrity.

Whether it is sampling or water extraction/production, more open area will aid development and create a better well for its intended purpose. The table below presents the open area for typical slot sizes used in pre-packed screens – Vee-Pack is far superior in open area.


Vee-Pack Specifications

Pipe Size

(in.)

Diameter

Standard Lengthb

(ft.)

Open Area (sq. in./ft.)c

Strengths

O.D.

(in.)

I.D.a

(in.)

40X60 Pack

(8-Slot)

20X40 Pack

(10-Slot)

20X40 Pack

(12-Slot)

10X20 Pack

(20-Slot)

Collapsec

(psi)

Tensilee

(lbs)

Hangingf

wt. (lbs)

2

3.5

2.0

2.5, 5, 10

6.1

7.5

8.9

14.0

250

1,300

420

4

5.7

4.0

2.5, 5, 10

9.4

11.6

13.7

21.7

150

2,100

520

a. Clear I.D.s are dimensions with fittings attached 
b. Lengths are measured shoulder-to-shoulder
c. Open areas and collapse are based on inner screen 
d. Strength properties are established at 73˚ F
e. Tensile is based on area of inner screen rods
f. Hanging weight is maximum weight on the top screen

Locations and Contact

North America

Aqseptence Group, Inc., New Brighton, MN

Sales and Manufacturing Location
1950 Old Hwy 8 NW,
New Brighton, MN 55112
USA

Tel: +1 651 636 3900

Fax: +1 651 638 3171

info.johnsonscreens.us@aqseptence.com

North America

Aqseptence Group, Inc., Bakersfield, CA

Manufacturing Location
1901 E Brundage Ln,
Bakersfield, CA 93307
USA

Tel: +1 661 323 1525

Fax: +1 661 323 1606

info.johnsonscreens.us@aqseptence.com

North America

Aqseptence Group, Inc., Forked River, NJ

Sales and Manufacturing Location
708 Challenger Way,
Forked River, NJ 08731
USA

Tel: +1 609 693 9434

Fax: +1 609 971 8708

info.johnsonscreens.us@aqseptence.com

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