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Shaanxi Senwell Drilling Equipment Co., Ltd
Jenny(General manager)
Tel:0086-29-85370919
Fax:0086-29-85370919
E-mail:Jennysaless@vip.163.com
                sales@oiltoolsdp.com
Website:Http://www.oiltoolsdp.com
 

Stop Collars & Scratchers

Stop Collars & Scratchers basic infomation

Catalog: Centralizer and Stop Collar
Keywords: Stop Collars & Scratchers
Tel: 0086-29-85370919
Fax: 0086-29-85370919
E-mail: Jennysaless@vip.163.com
Stop Collars & Scratchers basic infomation

Stop Collars & Scratchers

 

Features:
1. The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.

2. The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.

 

Detail Specification:

Technical specifications and parameters for Stop collars

Specification

(in)

13 3/8”

10 3/4”

9 5/8”

8 1/8”

7 5/8”

7”

5 1/2”

5”

4 1/2”

I.D(mm)

338

272

245

206

193

177

139

126

114

O.D(mm)

350

284

257

218

285

189

151

138

126

Holding Force (KN)

40

40

40

30

30

30

30

24

24

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
Scratcher

Features:

The scratcher can be used to wipe the mud cake inside the upper casing and open hole and improve cementing.

 

Technical specifications and parameters for Scratchers

Casing size

7”

5 1/2”

Open Hole Size (mm)

215.9~222.2

184~215.9

Max O.D (mm)

279

254

Shaanxi Senwell Drilling Equipment Co.,Ltd    Jenny (General Manager)
Tel:0086-29-85370919     Fax:0086-29-85370919
Email:Jennysaless@vip.163.com     sales@oiltoolsdp.com
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