Copyright © 2019 Dongying Xincheng Petroleum Technology Co., Ltd. | 鲁ICP备14011269号-1 | Powered by:300.cn
  • 01
  • 02

Products

Releasing Back off Spear

产品名称

Releasing Back off Spear

Releasing back off spear is used for fishing, back off and releasing the fish. It can catch and transmit left hand torque during back off. It can instead of left hand taper taps and die collars. The function is similar to back off sub. The difference is that it doesn’t need to make up thread with fish and catch at any part internally.

 

Type

Size

ID

mmin

Allowed pulling power 

 

KN

Initial pulling power and relevant torque  

Connection

Pulling power KN

Torque  N·M 

DLM-T60

2 3/8

50.8(2)

330

147

4313

2 7/8REG

DLM-T73

2 7/8

57.4(2 1/4)

500

166

5799

NC31

62(2 7/16)

69.9(2 3/4)

74.2(2 59/64)

76.2(3)

77.9(3 3/64)

DLM-T89

3 1/2

76(3)

650

166

9593

NC31

77.9(3 3/64)

84.8(3 11/32)

88.3(3 31/64)

90.1(3 35/64)

DLM-T114

4 1/2

97.2(3 53/64)

850

196

11522

4 1/2REG

99.6(3 59/64)

101.6(4)

102.8(4 3/64)

103.6(4 5/64)

DLM-T127

5

108.7(4 9/32)

860

196

12320

4 1/2REG

112(4 13/32)

114.1(4 1/2)

115.8(4 9/16)

DLM-T140

5 1/2

118.6(4 43/64)

880

196

13263

 

NC50

5 1/2

121.4(4 3/4)

124.3(4 57/64)

125.7(4 61/64)

127.3(5 1/64)

 

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
Key words
Previous article
Next article