Theoretical Research on the Movement Law of Water Cone Behavior in Heavy Oil Reservoirs with Bottom Water

Table 1

Similarity criterion.

Classification	Criterion	Physical meaning
Geometric similarity		Ratio of length to width of the reservoir
		Ratio of reservoir length to thickness
		Ratio of reservoir length to horizontal well length
	;	The ratio of production pressure difference to gravity
Pressure similarity		The ratio of production pressure difference to capillary force
		The ratio of reservoir pressure to the average pressure of the bottom layer
Physical similarity		Oil-water density ratio
		Oil to water mobility ratio
	,	The prototype is similar to the model endpoint
		Prototype is similar to model porosity
	,	The ratio of the comprehensive compression coefficient to the oil and water compression coefficient
Dynamic similarity	,	Darcy formula
	,	Ratio of water influx to horizontal well production
		Ratio of oil to water production