Oil-Based Drilling Fluid Plugging Method for Strengthening Wellbore Stability of Shale Gas

Table 6

Experimental results of filtrate reduces optimization.

System	Condition	AV; (mPa·s)	PV; (mPa·s)	YP; (Pa)	Gel10/Gel10; (Pa/Pa)	FLAPI; (mL)
Base slurry 2	Before aging	7	6	1	0	13
	After aging	12	9	3	1.53/1.53	10
Lignite-SL	Before aging	10	9	1	1.02/1.53	8
	After aging	12.5	10	2.5	1.53/2.04	7.6
FR-BK	Before aging	12	11	1	1.02/2.04	2
	After aging	26.5	18	8.5	3.58/4.60	6.4
FR-JH	Before aging	10.5	9	1.5	1.02/1.53	9
	After aging	20.5	14	6.5	1.53/2.56	8