Wear Sub
During saver sub drillingoperation, major wear and tear wear often take place between drill pipes and casings. Wear sub is used to avoid the wear between drill pipes, 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 subsconsist 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 pipes 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 pipes and drill string tools will be decreased.
Technical Specification:
Specification |
Body O.D.(mm) |
Sub O.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 GROUPspecializing 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 pipes, cementing tools as well as any kinds of wellhead equipment.
Send product request
Other supplier products
Drilling Collar | The drill collars for saleis at the bottom of the drill string and is a major component of the lower hole assembly. Its main feature is that the wa... | |
CIRCULATING SWAGE | Saigao Circulating Swageis forged from high-grade steel materials and machined to the required specifications. After heat treatment and non-destruc... | |
Fishing Magnet | Fishing Magnet is a junk retrieval tool designed to retrieve small metal, odd-shaped objects such as mill metal shavings, bit cones, cutters, bear... | |
Fracturing Tree | The fracturing tree (frac tree wellhead) is a piece of wellhead equipment used to direct and control oil & gas from the well. It is an assembly... | |
Cementing Plug | Saigao Rubber plug used to separate the cement slurry from other fluids, reducing contamination and maintaining predictable slurry performance. Two... |
Same products
Shoes Flexing Tester | Seller: Qinsun Instruments Co., Ltd | It's used for determining the flexibility resistance and or indicating the cracks od shoe or shoe... | |
Shoelace Abrasion Tester | Seller: Qinsun Instruments Co., Ltd | Application: This shoelace abrasion tester is used for shoelace against standard eyelet abrasion... | |
Heel Fatigue Tester | Seller: Qinsun Instruments Co., Ltd | Heel Fatigue Tester is used to determine the resistance of medium and high heels of ladies’... | |
Heel Impact Tester | Seller: Qinsun Instruments Co., Ltd | Heel Impact Tester is used to determine the impact strength of heels of ladies’shoes. Ap... | |
Ross Flex Tester | Seller: Qinsun Instruments Co., Ltd | Whole Sole ROSS Flexing Tester GT-KB05D To determine right angle flexing risistance for whole sol... |