套管卡瓦按API Spec 7K及SY5049《钻井卡瓦》设计制造,为多片体结构,能适应套管磨损后外径尺寸的变化,具有重量轻、卡持范围大、牢固等优点。
Casing slips are designed and manufactured as per API Spec 7K and National Standard SY5049 of Slips for Well Drilling. It is manufactured in a structure of multi-segments with firm structure, light weight, and large holding range, which is available for the changing of the outer diameter of the casing due to wear.
主要技术参数
Technical data
扣合管径 Tubular OD | 牙板代号-数量 Insert Code-Qty | 卡瓦体数量 Total number of slip | 载荷 Max Load tons/kN |
in | mm |
6⅝ | 168.3 | 2628-144 | 12 | 250/2250 |
7 | 177.8 | 2619-144 |
7⅝ | 193.7 | 2630-144 |
8⅝ | 219.1 | 2630-156 | 13 |
9⅝* | 244.5 | 2630-168 | 14 |
10¾* | 273.1 | 2630-180 | 15 |
11¾* | 298.5 | 2627-204 | 17 |
13⅜* | 339.7 | 2630-216 | 18 |
16* | 406.4 | 2631-252 | 21 |
18⅝* | 473.1 | 2626-300 | 25 |
20* | 508 | 2631-312 | 26 |
24* | 609.6 | 2631-360 | 30 |
26* | 660.4 | 2631-396 | 33 |
30* | 762 | 2631-444 | 37 |