Preparation and Characterization of Latex Particles as Potential Physical Shale Stabilizer in Water-Based Drilling Fluids

Table 2

Recipes of the P(St-MMA) latex particles.

Number	[St] : [MMA]	[KPS]/(mmol/L)	𝑉 (isopropanol) : 𝑉 (water)	Temperature (°C)	Time (h)
S-1	1 : 1	7.40	2 : 3	70	2.5
S-2	1 : 1	7.40	2 : 3	80	2.5
S-3	1 : 1	7.40	2 : 3	90	2.5
S-4	1 : 1	7.40	2 : 3	100	2.5
S-5	1 : 1	7.40	2 : 3	90	2.0
S-6	1 : 1	7.40	2 : 3	90	3.0
S-7	1 : 1	7.40	2 : 3	90	3.5
S-8	1 : 1	7.40	2 : 3	90	4.0
S-9	1 : 1	7.40	1 : 4	90	2.5
S-10	1 : 1	7.40	3 : 7	90	2.5
S-11	1 : 1	7.40	1 : 1	90	2.5
S-13	1 : 1	5.40	2 : 3	90	2.5
S-14	1 : 1	6.40	2 : 3	90	2.5
S-15	1 : 1	10.40	2 : 3	90	2.5