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Roller Reamer
Source: LONGER | [ 2013-09-16 ] Hits: 2811

 

Introduction:

Rotary Reamer is designed for various reams in drilling operation. Especially it can perform the double functions of centralization and reaming when drilling in very abrasive formations. This is a versatile tool which can be used for different hole sizes ranging from 4-5/8to 26by selecting proper rollers and simply adjust the blocks. In addition, its service life can be extended by replacing new rollers when the old rollers are worn and become smaller.

The body is made of modified alloy steel, fully heat treated to 285341 Brinell hardness and 54J minimum impact strength. Connections are phosphated, coated with thread dope and equipped with thread protectors, and are accord with API standard.

Three different types (T, F and B) of rollers are offered:

Type T:  For soft formations.

Type F:  For medium hard formations.

Type B:  For hard formations.

 

Specifications:

Item

Hole size

Roller Reamers

Connection

Overall Length(mm)

Neck OD(mm)

Roller Dia. (mm)

Roller length(mm)

1

26〞

7-5/8H90

3000

254

178

400

2

17-1/2〞

7-5/8REG

2200

228

140

304

3

12-1/4〞

7-5/8REG

2000

228

100

300

4

8-1/2〞

4IF

1730

165

71

200

Note: When ordering or requesting for quote, please specify the detailed requirements.

 

 

 

 

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