Collar cementing packers BUR-PMTs

;BUR-PMTs-102; BUR-PMTs-114; BUR-PMTs-127;

Passage diameter of casing string, mm; 101,6; 114,3; 127,0; Nominal open hole diameter, min, mm; 126,0; 142,9; 152,4–155,6; Maximum outer diameter, mm; 118,0; 133,0; 144,0; Inner diameter after drilling-out, mm; 89,0; 99,5; 108,6; Packer setting pressure, MPa; 8; 8; 8; Cementing ports opening pressure, MPa; 16; 16; 16; Cementing ports closing pressure, MPa; 5; 5; 5; Ball diameter for activation, mm; 32,0; 32,0; 32,0; Max packer setting coefficient; 1,3; 1,3; 1,3; Well interval length overlapped by packer element, mm; 1400; 1400; 1400; Pressure difference between separate areas withstood by the packer (at packer setting coefficient of 1.10), MPa; 25; 20; 20; Length, mm; 4870; 4910; 4910; Weight, kg; 230,0; 278,3; 302,5;