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Cetyltrimethyl ammonium bromide (CTAB) grafted Polyacrylamide (PAM) gel has been used to control fluid loss for high performance drilling fluid with increased thermal stability.
Using 2-acrylamido-2-methyl propane sulfonic acid, acrylamide, diallyl dimethyl ammonium chloride, and itaconic acid, a new fluid loss additive which has excellent ability to control fluid loss is synthesized by free radical aqueous solution copolymerization.
It could be seen from Table 4 that SDT-108, CPAM, SD-101, and CXB-3 exhibited better ability to control fluid loss among the evaluated samples.
Related researchers developed a series of FLA by copolymerization of AMPS with other monomers to control fluid loss of cement slurry (Peng et al. 2010).
It is effective in low concentrations, with the normal concentration to control fluid loss ranging from 0.71 to 2.85 kg/m3 (0.25 1 lb/bbl).
Present work is aimed to study the effect of CTAB, a cationic surfactant, on control fluid loss, other biocide use elimination, improvement in rheological property and thermal stability of a polymer drilling fluid.
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If we lose our skin other organs will not survive, purely because of the fundamental functions - maintaining temperature, controlling fluid loss and stopping infection.
Besides the ability of controlling fluid loss, GBFS-1 can also adhere to shale rock, produce dense and water impermeable biomimetic shell that has relative strong cohesion strength after spontaneous cure.
Detailed study is carried out by using it in combination with commercially available fluid loss controlling fluid loss additive PGS.
Selecting an appropriate FLA dosage which was satisfactory in controlling fluid loss was required.
Xuan et al. (2014) investigated the graphite oxide nanoparticles and showed it has a strong ability in controlling fluid loss of drilling fluid.
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