The Gravel Packing Length Determination Method and Influencing Factors Analysis in Deepwater Horizontal Wells

Table 1

simulation parameters.

Simulation calculation parameter list
Horizontal section length(m)	600	Washpipe OD(in)	3.8
Vertical depth(m)	3720	Washpipe ID(in)	3.22
Fracture gradient(MPa/100 m)	1.59	Carrier fluid leakoff ratio	5%
Openhole diameter(in)	8.75	Design initial pump rate(bpm)	5.6
String OD(in)	4.11	Sand ratio(ppg)	0.5
String ID(in)	3.2	Gravel diameter(mm)	0.33
Screen OD(in)	6.2	Gravel volume density(kg/m^3)	1260
Screen ID(in)	4.5	Apparent gravel density(kg/m^3)	2200
Formation pressure(MPa)	44.2	Carrier fluid density(kg/m^3)	1300