Filtration Products
Filtration Equipment
SafeDEflo Plate and Frame (DE) Filtration Systems
TETRA's SafeDEflo™ plate and frame diatomaceous earth (DE) filtration systems are recommended for filtering brines, chemicals, and produced water in completion, stimulation, and workover operations. There are five sizes available: SafeDEflo 600, SafeDEflo C600, SafeDEflo 1100, SafeDEflo 1300, and SafeDEflo 1500. The SafeDEflo 600 and C600 units are recommended for use in wells with volumes up to 500 barrels, and the SafeDEflo 1100, 1300, and 1500 units are recommended for use in wells with volumes greater than 500 barrels.
SafeDEflo Automated Delivery System
TETRA's SafeDEflo™ automated DE delivery system provides precision control in DE material delivery and offers many safety and environmental improvements during DE filtration operations by eliminating waste, dust, and the need to lift, cut, and load heavy packages of DE material.
Cartridge Filtration System
TETRA's dual pod filtration cartridge unit is recommended for filtering brines, gels, chemicals, and produced water in completion, stimulation, and workover operations. The pods are connected by a manifold, providing staged filtration capability. Staged filtration utilizes cartridge filters with different ratings to maximize filtration efficiency. Cartridge filtration is designed for use with fluids containing a low percent by volume of suspended solids. Cartridge filtration is not economic when fluids are contaminated with oil or other substances.
Filtration Consumables
Celatom FW 60 Diatomaceous Earth (DE)
Celatom FW 60 diatomaceous earth is a general purpose brine filter aid. It has a relatively coarse particle size (median particle diameter 48 microns) and is used in routine filtration operations.
Celatom FW 20 Diatomaceous Earth (DE)
Celatom FW 20 diatomaceous earth has a slightly smaller particle size (median particle diameter 33 microns) and slightly lower permeability than Celatom FW 60 diatomaceous earth. It is used in applications where clarity is of the utmost importance and the additional head loss can be tolerated.
TETRA C2 Pleated Cellulose Filtration Cartridges
Pleated cellulosic filtration cartridges (PCCs) are of a fixed pore construction of high quality cellulosic fibers bonded with phenolic resin. The PCCs are recommended for completion, workover, and stimulation operations, as well as for diatomaceous earth (DE) guard filtration. These cartridges have a beta ratio of 1000 at two microns. (See "Filter Rating Systems.")
TETRA PP2 Pleated Polypropylene Filtration Cartridges
Pleated polypropylene filtration cartridges (PPCs) are made from pure polypropylene. The PPCs are recommended for completion, workover, and stimulation operations, as well as for diatomaceous earth (DE) guard filtration. PP2 cartridges have a beta ratio of 100 at two microns. (See "Filter Rating Systems.")
Resin Bonded Filtration Cartridges
Resin bonded filtration cartridges (RBCs) are long life, nominally rated, filter elements that are especially suited to viscous liquids and high flow rate applications. The RBCs are recommended for completion, workover, and stimulation operations, as well as for diatomaceous earth (DE) guard filtration.
