What is polyacrylamide (PAM)?

Polyacrylamide (PAM) is acrylamide monomer under the action of initiator homopolymerization or copolymerization of polymers, is one of the most widely used water-soluble polymer materials, mainly used in oil exploitation, water treatment, textile, paper making, mineral processing, medicine, agriculture and other industries. PAM product category:

What is the molecular weight of polyacrylamide flocculants?

Molecular weight: tens to 20 million 2) Purpose: 1. In the mining industry, large quantities of water are often used and the useful solids in the water must be recovered and the waste water purified for recycling. The application of non-ionic polyacrylamide flocculants can promote the settling of solids,

What is high relative molecular weight polyacrylamide used for?

Ultra high relative molecular weight polyacrylamide is mainly used for three oil recovery in the oil field, high relative molecular weight polyacrylamide is mainly used as flocculant, medium relative molecular weight polyacrylamide is mainly used as paper dry strength agent, low relative molecular weight polyacrylamide is mainly used as dispersant.

What happens when polyglycol is soluble in mud?

These molecules are normally soluble in a drilling fluid / mud at surface conditions. When the temperature passes a critical point, the polyglycols change to an insoluble phase; this transition is called the cloud point. The resultant microgels are large enough to block the shale pore throats and stop pressure transmission.

How are salt polymer drilling fluids selected?

The drilling fluid properties are investigated to determine the performance levels required. Additives are compared against the models. The economics of the various products are then evaluated to select the optimum fluid for the well. The salt polymer drilling fluids systems follow the same basic makeup.

Can PAC be used in shale drilling?

Application is limited to the shales that produce actual cuttings during drilling (medium to hard). The soft shales mechanically disintegrate too easily, and every small particle of shale will take up polymer. This consumes expensive material for no benefit in keeping the particles together. PAC is a modified CMC.