Multiple Activation BY-Pass Valve
The multiple activation by-pass valve is a set of short circuit that can be opened and closed for many times. It is generally installed in special drilling tool assemblies such as directional drilling, speed raising, logging while drilling, etc. It can open and close the bypass hole in time for special operations according to downhole working conditions, enhance the applicability of special drilling tool assemblies, improve production efficiency, and reduce well control risks.
Related products
YTQC Type Drill String Fishing Magnet is one of the auxiliary tools to ensure the normal drilling operation and bottom hole cleaning in the process of downhole accident treatment. The main feature of this product is that it works together with the grinding shoes in the fishing operation, which is different from the previous method of lifting the drill after milling, and then connecting the drill string with the strong magnetic fishing tool to go down the well for cleaning bottom hole , saving a trip down the well operation, which not only saves the drilling cost, but also saves the fishing operation time.
CZJQZ-II 360° Rotation Hydraulic Make/Break unit is designed to safely and efficiently make-up/break-out downholetoolsandmotors. It adopts a unique 360° rotational headstock clamp design. This unit is designed for fast, accurate anddependablemake up and break out of threaded connections. The 360° rotational clamp design greatly enhances the speed andaccuracyofmake-up and break-out of tools.
TIANHE Reverse Circulation Junk Basket (RCJB) is designed to remove all types of small junk objects from the well hole. The tool’s main feature is that it eliminates the possibility of pulling a wet string during fishing operation with its reverse drainage design. The RCJB can also be used as a fish magnet when fitted with a magnet insert, while maintaining its reverse fluid circulation feature.
Advantages
- It can realize special operations such as plugging without tripping out, shorten drilling cycle and reduce well control risk;
- The bypass valve automatically closes when the pump stops, reducing the possible U-tube effect or well control problems;
- It is not limited by downhole tools, instruments and bit waterholes, and can realize large displacement well flushing;
- Effectively remove cuttings bed in directional and horizontal well sections;
- Multiple downhole switching operations can be realized, and our products can be switched 6 times.
Application fields
1) High concentration and large particle plugging materials and cement squeezing plugging construction shall be carried out without tripping out;
2) Special construction of pumping other corrosive liquids;
3) High displacement well flushing in directional wells, horizontal wells and highly deviated wells;
4) Clean casing and BOP stack;
Basic structure
The multiple activation bypass valve is mainly composed of three parts: by-pass nipple, ball blue nipple and switch ball set. A switch ball group comprises an activation ball, two closing balls and a locking ball. The activation ball and locking ball are made of a new type of engineering plastics, and the closed ball is made of standard bearing steel ball.
