Everything else / Bulk

Wear Sub

During saver sub drilling operation, major wear and tear wear often take place between drill and casings. Wear sub is used to avoid the wear between drill , tool joints and casings. With features such as compact structure and easy operating, wear sub can prolong the service life of drill pipe and casing and reduce the vibration and trembling of drilling tools. It can also limit the contact friction.

Features:

Our wear drill stem subs consist of a highly wear rubber sleeve, a metal stiffening liner and a sub body. The rubber sleeve is installed in the middle of sub body and some clearance is given to allow sleeve to rotate freely. The rubber sleeves are made of rubber mixtures with good wear resistance.

During drilling operation, the rubber sleeve and sub body can make a relative rotation, rubber sleeve O.D is larger than drill pipe tool joint O.D, so the tool joint and drill can not contact with casing. The rubber sleeve on saver sub will firstly contact with casing. When friction between rubber sleeve and casing takes place, wearing to casing can be reduced due to the rubber sleeve features such as wear and soft, at the same time, consumption to tool joints of drill and drill string tools will be decreased.

Technical Specification:

Specification

Body O.D.(mm)

Sub O.D.(mm)

I.D.(mm)

Connection

7Casing

121

143

38

3 1/2IF

9 5/8" Casing

168

190

57

4 1/2IF

178

197

71

5 1/2FH

10 3/4" Casing

180

225

71

4 1/2IF

5 1/2FH

13 3/8" Casing

228

285

71

5 1/2FH

If you are looking for reliable oil well equipment manufacturers, please contact us, and we will do our best to meet all the needs of customers.

SAIGAO GROUP specializing in design, research and development, processing and manufacturing, sales and export of machinery equipment, with leading products comprising various kind of mud pumps, down-hole motors, any kinds of screen , cementing tools as well as any kinds of wellhead equipment.

Location : Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China, 250000 Jinan,Shandong,
Contact : Liu Rex, +86 0531 69959201

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Wear Sub

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