FORM-A-PLUG retarder
FORM‐A‐PLUG RET is a grade of soluble magnesium chloride formulated as a retarder for FORM-A-PLUG II lost-circulation pill. FORM-A-PLUG RET delays the cross‐linking reaction to avoid premature setting during the mixing stage.
FORM‐A‐PLUG RET agent is used in FORM‐A‐PLUG II pills to increase the set‐up time of the lost circulation slurry. It should be added to the drill water before adding FORM‐A‐PLUG II and/or FORM‐A‐PLUG ACC agent.
FORM‐A‐PLUG RET retarder will delay chemical reaction which forms a rigid cross‐linked gel structure. It is therefore important to carefully control the product concentrations and mixing conditions in order to ensure that the reaction proceeds as expected. The formulation can be adjusted for density up to 2.16 sg (18 lb/gal) by adding barite or other appropriate weighting materials. Barite may also act as a retarder.
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