Laboratory Research on Fracture-Supported Shielding Temporary Plugging Drill-In Fluid for Fractured and Fracture-Pore Type Reservoirs

Table 6

Table contrasting the shielding ring strength of the CDIF and FSDIF.

Working fluid class	Rock samples	Stratum	Zd (%)	(MPa)	(MPa)	(min)	Click through time statistics	Remarks
FSDIF	5#	T1f	100.00	17.5	35	130	30 min/20 MPa	Block
							30 min/25 MPa
							30 min/30 MPa
							40 min/35 MPa
	7#	T1f	99.86	17.5	30	83	30 min/20 MPa	Fracture
							30 min/25 MPa
							23 min/30 MPa
CDIF	6#	T1f	99.99	17.5	25	47	30 min/20 MPa	Fracture
							17 min/25 MPa
	4#	T1f	99.96	17.5	30	86	30 min/20 MPa	Block
							30 min/25 MPa
							26 min/30 MPa