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DRILL COLLAR SLIPS

Update: 2018/3/6      View:
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Introduction

There are three types of DCS Drill Collar Slips: S, R and L. They can accommodate drill collar from 3 inch (76.2mm) to 14 inch (355.6mm) O.D.

 

技术参数 Technical Parameters

钻铤卡瓦型号slip type

钻铤外径drill collar OD

重量weight

配用内衬号insert bowl No   

in

mm

kg

Ib

DCS-S

3-46 3/4-8 1/4

76.2-101.6

51

112

API or No.3

4-4 7/8

101.6-123.8

47

103

DCS-R

4 1/2-6

114.3-152.4

54

120

5 1/2-7

139.7-177.8

51

112

DCS-L

6 3/4-8 1/4

171.7-209.6

70

154

8-9 1/2

203.2-241.3

78

173

8 1/2-10

215.9-254

84

185

No.2

9 1/4-11 1/4

235-285.7

90

198

11-12 3/4

279.4-323.9

116

256

No.1

12-14

304.8-355.6

107

237

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