QUALITY IS OUR CORE.
OUR CONCEPT.
PRODUCTS
Quality is our core our concept
PRODUCT QUICK FIND
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DRILLING RIG & ACCESSORIES
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MUP PUMP AND EXPENDABLE
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Expendable & Part of Mud Pump
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FLUID END MOUDULES
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FLUID END EXPENDABLES
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FLUID END SPARES
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L SHAPE FLUID ENDS
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LINERS
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PISTONS
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POWER ENDS
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PULSATION DAMPENERS
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RODS & CLAMPS
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VALVES & SEATS
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EWS MUD PUMPS
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F SERIES MUD PUMPS
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GD MUD PUMPS
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WELL SERVICE PUMPS
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OIFFIELD BEARINGS
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PLUNGER PUMP FLUID ENDS
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FRAC PLUNGERS
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PLUNGER PUMP VALVES & SEATS
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WELL SERVICE PUMP PACKING AND
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SHALE SHAKER SCREEN
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WASH PIPES
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Mud Pump
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HBF
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HB3NB
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HBZ Triplex Mud pump
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Mud Pump Packaging
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Mud Pump Pressure Gauge
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Pressure Pump
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HANDING TOOL
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BOP & COMPONENTS
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SOLID CONTROL SYSTEM
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DRILLING TOOLS
Rolling Kelly Bushing
The rolling kelly bushings are designed for hold the kelly and match with the master bushing, to drive the kelly stem rotate by the four rollers in bushing. In drilling operation, the kelly shall keeping slide downward with the increase of drilling depth. The rollers can reduce friction to the kelly and extending it's service life. For different shape of the kelly stem (square or hexagonal), different rollers are available. |
Model |
Type |
Drive |
Fitting Kelly Size |
|
Square (in) |
Hexagonal (in) |
|||
HDS |
Heavy |
Square |
2 1/2 - 6 |
3-6 |
27-HDP |
Pinned Shaft |
3-6 |
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20-HDP |
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RTM4 |
Medium |
Square |
2 1/2- 5 1/4 |
3 – 4 1/4 |
20-MDP |
Pinned Shaft |
2 1/2- 4 1/4 |
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17-MDP |
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RTS4 |
Light |
Square |
QINGDAO OILRIG TRADE CO., LTD. has been dedicating itself to export business of oilfield equipment and components to North/South America, Europe, Middle East, South East Asia .
OILRIG warrants our products for a period of one year to be free from defective material and workmanship. OILRIG's products equal or exceed the quality and tolerances of the products provided by the original manufacturer.
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