High efficiency reservoir stimulation based on temporary plugging and diverting for deep reservoirs
Chunming XIONG,Yang SHI,Fujian ZHOU,Xiongfei LIU,Xianyou YANG,Xiangtong YANG
Table 1
Results of pressure bearing test of plugging ball.
Plugging ball No.
Maximum
pressure/
MPa
Eternal diameter before test/
mm
External diameter after test/
mm
Deformation rate/
%
1
52.20
11.90
11.88
0.17
2
70.00
8.48
8.48
0
3
55.40
11.88
11.70
1.50