Die collar К
Die collar К
Die collar К are designed for gripping and subsequent retrieval of the drill string or tubing strings remaining in the well by threading them onto their outer surface.
Technical characteristics
Type Connecting threads GOST 28487 Outer diameter Length
К 58-40 3-66 90 490
К 70-52 3-66 90 510
К 85-64 3-76 102 550
К 100-78 3-88 122 595
К 110-91 3-101 132 555
К 125-103 3-121 148 560
К 135-113 3-133 170 635
К 150-128 3-147 194 655
К 174-143 3-171 220 800
К 100-73 3-88 122 670
К 103-85 3-88 132 540
К 80-55 3-76 105 625
К 105-70/120 3-76 120 770
К 110-70/122 3-101 122 825
К 110-91/122 3-101 122 520
К 117-76/137 3-76 137 890
К 120-86/138 3-88 138 760
К 124-103/140 3-88 140 570
К 68-50 3-76 95 500
К 75-47 3-76 100 645
К 80-47/100 3-76 100 720
К 80-55/114 3-76 114 630
К 98-75/118 3-88 118 570
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