Key Seat Wiper

Sliding sleeve type key seat reamer consists upper sub, mandrel, lower sub, sliding sleeve and so on, as shown in diagram. The sliding sleeve could move upward or downward and rotate freely on the mandrel, there are several spiral hard alloy blades welded on the sliding sleeve, and several saw-tooth jaws on both the top and the bottom of the sleeve. When the saw-tooth jaws on the bottom end of upper sub are fitting with the saw-tooth jaws on the top end of the sliding sleeve, pressure and right hand rotary of the drill string cause jarring and freeing the sticking sliding sleeve; The saw-tooth jaws on the bottom end of the sliding sleeve are fitting with the saw-tooth jaws on the top end of the lower sub that could exert a certain tension force on the keyseat department to back reaming to destroy keyseat.

Features:

The keyway expander is a downhole special tool designed to break the wellbore keyway. The tool is connected to the top of the drill collar and can effectively enlarge the size of the keyway. It is a commonly used tool in the drilling process.

The keyway expander is composed of four parts: upper joint, sliding sleeve, mandrel and lower joint.

During normal drilling, due to the weight of the sliding sleeve, the upper and lower joints are engaged with the jaws of the sliding sleeve, and the tool rotates together with the drill string to reach the keyway position, the sliding sleeve is snapped into the keyway, and the downward pressure can be generated when the pressure is forwarded. The shock action releases the slip sleeve and forces the sleeve to move downward. On the contrary, if a certain pulling force is applied to the drilling tool and the forward rotation is made, the lower joint of the keyway expander is engaged with the sliding sleeve, and the five spirals of the outer circumference of the sliding sleeve are hard and the keyway is cut, thereby breaking the keyway.

Technical Specification:

Specifications - Key Seat Wiper
Model	Product Code			LD(mm)	Sliding sleeve stroke L (mm)	Connection	Max .work temperature (℃)
JKQ121	JK12100	115	121	38	317	NC31	<200
JKQ178	JK17800	165	178	70	325	NC50	<200
JKQ203	JK20300	188	203	70	325	NC50	<200
JKQ207	JK20700	188	207	70	325	NC50	<200

SAIGAO GROUP, as an excellent oil equipment suppliers, offers a wide range of oilfield cementing toolsfor you to choose from.

Other supplier products

	Down Jet / Up Jet Cement Float Shoe	SAIGAO GROUPDown-jets/Up-jets Cement Float Shoe offers dependable performance for all classes of oil and gas wells. The Plunger Type valves prevent...
	BW160/10 Horizontal Three Cylinder Reciprocating Single Acting Piston Pump	BW series mud pump is widely used in mining, drilling, coal, railway, highway, water conservancy and hydropower, bridges, high-rise buildings, fo...
	The plug body of cylindric plug valve is in cylindrical shape, which makes up of a sealing pair with the tapered hole surface of valve body. Cylindric plug valve is generally sealed in four ways, name	Saigao Ditch Magnetare an oilfield tool designed to remove ferrous metal particles from drilling mud. The core part of the ditch magnet is the perm...
	Fishing Magnet	Magnet fishing equipmentis a junk retrieval tool designed to retrieve small metal, odd-shaped objects such as mill metal shavings, bit cones, cutte...
	Choke Valve	Choke valve is a valve that controls the flow of a fluid by changing a throttle section or a throttle length. The choke valve and the check valve a...

供应产品

Same products

	Water Bulging Bottle Making Machine	卖方: Yongkang Hubang Machinery Technology Co., Ltd.	Yongkang Hubang Machinery Technology Co., Ltd. specializes in machinery for thermos and bottle ma...
	TC SERIES 180-210 HP TRACTOR	卖方: TIANJIN TRACTOR MANUFACTURING CO., LTD	Our company has long specialized in the development of high-horsepower wheeled tractors. This par...
	TVH2704-3504（Hybrid Tractor）	卖方: TIANJIN TRACTOR MANUFACTURING CO., LTD	Hybrid tractorsadopt a diesel engine plus motor hybrid drive system. Supported by an intelligent ...
	3Y SERIES 100-120 HP TRACTOR	卖方: TIANJIN TRACTOR MANUFACTURING CO., LTD	With the advancement of agriculture, existing medium-sized tractorsare no longer sufficient to me...
	REAL CASE OF TS SERIES TRACTOR --TTS2404	卖方: TIANJIN TRACTOR MANUFACTURING CO., LTD	A 240 Horsepower Tractoris designed for large-scale agricultural operations that require strong p...