RockySea Petro 3NB Series Mud PumpData sheetFunction1. Remove rock debris from the bottom of the well and send it back to the surface;2. Handle complex underground situations. When encountering fractured formations, pump in plugging materials, and when encountering stuck drilling, pump in crude oil and diesel to release the stuck.3. Make mud cakes on the wellbore to prevent collapse;4. Balance or control the pressure of oil, gas, and water layers in the drilled well section to prevent blowout;5
VIEW DETAILSRockySea Petro PR2 Wellhead And Christmas TreeThe wellhead & x-mas tree has carried out rigorous tests, such as magnetic particle, ultrasonic, pressure test and and so on.Do the pressure analysis to pressured and forced parts with 3D software to check the strength of wellhead & x-mas tree.RockySea Petro designs various types of wellhead & x-mas tree according to International Standard.RockySea Petro’s wellhead & x-mas tree factory is one of the main branches of RockySea Petro Group. It is a professional manufacturer s
VIEW DETAILSRockySea Petro Rod PumpThe raw material of rod pump parts should be inspected after heat treatment, the mechanical properties, chemical compositions and metallographic structures must be inspected by batch. The rod pump parts should be inspected several times during the processing procedure. Some key points like the outer diameter of the plunger and the inner diameter of the pump barrel should be 100% inspected.Your Best Pump ManufacturersSealing performance tests must be carried out 100% after fini
VIEW DETAILSRockySea Petro Downhole Pump FittingsWe establishes cooperative relationships with international customers such as Shell, GE, Schlumberger, and JOHN CRANE.Exported to the United States, Europe, Asia and Asia,The standard parts of the sucker rod pump produced by our company are well-selected, precision-made, stable in quality and excellent in performance, .Your Premier Downhole Pump Fittings Manufacturers And Suppliers.Valve Rods Valve rod materials include steel, alloy steel, stainless steel and bra
VIEW DETAILSRockySea Petro Non-Magnetic Drill CollarThe non-magnetic drill collar is made of low chromium manganese alloy steel, which is forged through strict chemical composition analysis. All non-magnetic drill collars produced from RockySea Petro have been tested for mechanical properties to ensure that their hardness, toughness, impact value and corrosion resistance meet the standards, with good low magnetic permeability and good machining performance.Description The structure of non-magnetic dri
VIEW DETAILSRockySea Petro Float Collar and Float
Data sheet
Advantage
RockySea has extensive experience in manufacturing float hoops and shoes, and its products have the following advantages.
1) The reliable valve body structure reduces the resistance of cement slurry flow.
2) All internal accessories are drillable and have the same diameter as the casing.
3) The special structural design effectively prevents the backflow of cement slurry.
4) The buckle can be processed into BTC/LTC/STC/VAM/FOX/TP-CQ/OTTM according to customer requirements.
Application
The float collar and float shoe are mainly used to guide the casing string into the well smoothly, adjust the buoyancy force on the casing string when running the casing, prevent the cement slurry from flowing back into the casing through the back pressure valve, accurately control the height of the cement plug inside the casing during cementing, and ensure the quality of cementing. Float hoops and float shoes are generally used in sets, with the float shoe located at the bottom of the casing and 1-2 sleeves separated between the float hoops and float shoes.
Principle
The floating hoop structure is basically the same as the floating shoe, except that its lower end is a male buckle connected to the casing. The floating shoe body is made of alloy structural steel material, with the upper end connected to the casing and the lower end made of hemispherical cement or metal head, used to guide the casing down. It is equipped with a backpressure valve inside, which can be drilled with a PDC drill bit. The upper and lower channels of the valve are open when leaving the factory. When the casing is first inserted, the liquid in the well has no resistance to the float shoe. The pressure of circulating mud will push the valve head down by one displacement, and the three flaps at the end of the valve stem will automatically fall off. After stopping the pump, the valve will press the valve seat upwards under the action of the spring, acting as a one-way valve. At this point, drilling fluid or cement slurry can be pumped in from top to bottom, but the liquid inside the casing under the valve or in the annular space outside the casing cannot return.
Description
Floating collar is a casing coupling equipped with a single flow valve, which belongs to one of the casing accessories. Structurally, it is divided into two types: nylon ball float collar and spherical steel valve float collar. The former is used for shallow wells, while the latter is used for deep well.
In deep wells and special wells, it can be combined with casing float shoes to improve the safety of cementing operations. During the process of running casing, achieving unidirectional flow of drilling fluid in the annulus can prevent cement slurry backflow during the cementing process and achieve pressure relief and waiting for setting after cementing collision, which helps to improve the bonding quality between the cement sheath and casing; At the same time, by injecting drilling fluid into the casing string to adjust its buoyancy, the suspended weight of the casing meets the design requirements for casing operation.
RockySea Petro: A Pioneer in Float collar and Float shoe Manufacturing in China
The float collar and float shoe are mainly used to guide the casing string into the well smoothly, adjust the buoyancy force on the casing string when running the casing, prevent the cement slurry from flowing back into the casing through the back pressure valve, accurately control the height of the cement plug inside the casing during cementing, and ensure the quality of cementing.
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