一、简介：
本系列卡瓦适用于在石油及天然气钻井作业中卡持钻杆和5½"以下的套管，是供上扣或卸扣工作的必备工具。
本产品经防腐处理后，能保证在海洋易腐蚀的环境中作业六个月，卡瓦体牙板槽和牙板不易腐蚀，拆换牙板方便，相应延长产品使用寿命。
Brief Introduction:
This slips series are suitable to handle the drill pipes and casing less than 5½" OD in the oil and natural gas operation, and they are the necessary tools for coupling and uncoupling operation.
This product is treated by the anti-corrosion, easy to guarantee that corrosion in the marine environment, operating six months, and dental lamina kava not be corrosion, extended product life.
二、主要技术参数:
Principal technical data:
|
规格型号
Specification
|
适用钻杆、套管外径
O.D. of drill pipe & casing
|
配用牙板
Corresponding inserts
|
重量
Weight
(kg)
|
||||
|
in
|
mm
|
代号
Code
|
数量
Quantity
|
||||
|
SDS
|
3½
|
2⅜
|
2⅜
|
60.3
|
2160
|
24
|
71
|
|
2⅞
|
2⅞
|
73
|
2161
|
24
|
68
|
||
|
3½
|
3½
|
88.9
|
2162
|
24
|
66
|
||
|
4½
|
3½
|
3½
|
88.9
|
2163
|
36
|
83
|
|
|
4
|
4
|
101.6
|
2164
|
36
|
80
|
||
|
4½
|
4½
|
114.3
|
2165
|
36
|
76
|
||
|
SDML
|
3½
|
2⅜
|
2⅜
|
60.3
|
2160
|
30
|
98
|
|
2⅞
|
2⅞
|
73
|
2161
|
30
|
95
|
||
|
3½
|
3½
|
88.9
|
2162
|
30
|
92
|
||
|
4½
|
3½
|
3½
|
88.9
|
2163
|
45
|
105
|
|
|
4
|
4
|
101.6
|
2164
|
45
|
101
|
||
|
4½
|
4½
|
114.3
|
2165
|
45
|
96
|
||
|
5
|
4
|
4
|
101.6
|
2168
|
45
|
103.5
|
|
|
4½
|
4½
|
114.3
|
2166
|
45
|
100
|
||
|
5
|
5
|
127
|
2167
|
45
|
95
|
||
|
5½
|
4½
|
4½
|
114.3
|
2168
|
45
|
101
|
|
|
5
|
5
|
127
|
2169
|
45
|
97
|
||
|
5½
|
5½
|
139.7
|
2170
|
45
|
92
|
||
|
SDXL
|
4½
|
3½
|
3½
|
88.9
|
2163
|
54
|
118
|
|
4
|
4
|
101.6
|
2164
|
54
|
114
|
||
|
4½
|
4½
|
114.3
|
2165
|
54
|
108
|
||
|
5
|
4
|
4
|
101.6
|
2168
|
54
|
116
|
|
|
4½
|
4½
|
114.3
|
2166
|
54
|
112
|
||
|
5
|
5
|
127
|
2167
|
54
|
106
|
||
|
5½
|
4½
|
4½
|
114.3
|
2168
|
54
|
116
|
|
|
5
|
5
|
127
|
2169
|
54
|
111
|
||
|
5½
|
5½
|
139.7
|
2170
|
54
|
105
|
||