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      You are  >> All >> Drilling String >> Others >> Lifting Caps
 
  

 

  The lifting caps are tools for lifting of drilling tools, such as drill collars, stabilizers.

specifications - Lifting cap


Connection

O.D.(mm)

Length(mm)

Connection

O.D.(mm)

Length(mm)

7 5/8 REG Pin

210

290

7 5/8 REG Box

230

290

6 5/8 REG Pin

190

280

6 5/8 REG Box

200

280

NC50 Pin

155

270

NC50 Box

160

260

NC46 Pin

150

270

NC46 Box

160

260

NC38 Pin

115

260

NC38 Box

120

270

NC31 Pin

100

210

NC31 Box

120

220

2 3/8 REG Pin

80

190

2 3/8 REG Box

110

200

NC26 Pin

89

200

NC26 Box

110

200

3 1/2 REG Pin

100

220

3 1/2 REG Box

130

270

4 1/2 REG Pin

145

260

4 1/2 REG Box

160

260

2 7/8 EUE Pin

80

220

2 7/8 EUE Box

80

220

 


  Our thread protectors are the necessary counterpart of the pipe, casing, tubing, drilling pipe to protect the thread and connection measurably impact on transport and loading and unloading.


Specifications: Our thread protectors are used for casing, tubing, tubing drilling a size of 2 3/8 "to 13 3/8" round thread, and the thread of North Carolina, with different colors as required for our customers.


  Saver sub is used to extend the life of the kelly by taking the connection wear each time it is make-up to a drill stem component. The saver sub connection is sacrificed because it can be easily repaired or inexpensively replaced. The saver sub can be equipped with a rubber protector to reduce BOP equipment and casing wear resulting from contact damage with a lower kelly connection.

 
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