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Downhole Motor Drilling Jars Hydraulic Oscillator Drill Pipe & Drill Collar PDC Bit & Tricone Bit MWD Fishing Tools Drilling Tools Equipment of Maintenance

REVERSING SUB

The reversing subs is also called reversing spear which is a special tool for reversing stuck drill stem above stuck point in drilling and workover operation. In treatment of stuck drill stem, it can work as a fishing pin tap in reversing operation. When fish is stuck or cannot be reversed in fishing or reversing operation, the fish can be reversed from reversing sub and the fishing drill tool is tripped out.
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Specifications - Reversing Sub

Model

O.D

(mm)

I.D.

(mm)

Thread Conn

(LH)

Catch Thread

(RH)

 

Product  Code

DKJ105

105

14

NC31

NC31

L08-10500

DKJ105

105

18

NC31

2 7/8 NU

L08-10510

DKJ121

121

20

NC38

NC38

L08-12100

DKJ140

140

20

NC40

NC40

L08-14000

DKJ159

159

28

NC46

NC46

L08-15900

DKJ165

165

28

NC50

NC46

L08-16500

DKJ165

165

28

NC50

NC50

L08-16510

DKJ165

165

32

NC50

5 1/2 FH

L08-16520

DKJ178

178

32

5 1/2 FH

5 1/2 FH

L08-17800

DKJ190

190

32

NC50

6 5/8 REG

L08-19000

DKJ203

203

32

NC50

NC61

L08-20300

DKJ203

203

32

NC50

6 5/8 FH

L08-20310

DKJ203

203

32

NC50

7 5/8 REG

L08-20320

 

Specifications - Reversing Sub

Model

O.D

(mm)

I.D.

(mm)

Thread Conn (RH)

Catch Thread (LH)

 

Product  Code

DKJ105A

105

14

NC31

NC31

L08-10520

DKJ121A

121

20

NC38

NC38

L08-12110

DKJ146A

146

25

4 1/2 FH

4 1/2 FH

L08-14600

DKJ168A

168

28

NC50

NC50

L08-16800

DKJ168A

168

28

NC50

NC46

L08-16810

DKJ178A

178

32

5 1/2 FH

5 1/2 FH

L08-17810

DKJ178A

178

32

NC50

NC56

L08-17820

Specifications - Reversing Sub

Model

O.D

(mm)

I.D.

(mm)

Thread Conn (RH)

Catch Thread

(RH)

 

Product  Code

DKJ93B

93

18

2 7/8 EU

2 7/8 EU

L08-9300

DKJ105B

105

14

NC31

NC31

L08-10530

DKJ114B

114

28

3 1/2 EU

3 1/2 EU

L08-11400

DKJ121B

121

18

NC38

NC38

L08-12120

DKJ140B

140

20

NC40

NC40

L08-14010

DKJ165B

165

28

NC50

NC46

L08-16530

DKJ165B

165

28

NC50

NC50

L08-16540

DKJ178B

178

32

5 1/2 FH

5 1/2 FH

L08-17830

DKJ178B

178

32

NC50

NC56

L08-17840

DKJ210B

210

32

6 5/8 FH

6 5/8 FH

L08-21000


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