DCT-B Центратор обсадной колонны

DCT-B Центратор обсадной колонны Technical specifications and parameters for DCT-B Non-Welded Bow Spring CentralizerSize
(in)20”18 5/8”16”14”13 3/8”12 3/4”10 3/4”9 5/8”7 5/8”7”6 5/8”5 1/2”5”4 1/2”Casing size  (in)20”18 5/8”16”14”13 3/8”12 3/4”10 3/4”9 5/8”7 5/8”7”6 5/8”5 1/2”5”4 1/2”Open Hole size (in)24” 26”22” 24”20” 22”1817 1/2”17 1/2”12 1/4”12 1/4”9 7/8”8 1/2”8 1/2”8 1/2”6 1/2”6”O.D. (mm)650 714550 613550 613484470466370375273252245256190181