Matching components for blowout preventers in drilling tools
A technology of supporting components and internal blowout prevention, which is applied in the parts of lighting devices, lighting devices, valve devices of wellbore/well, etc. It can solve problems such as tool damage and stable assembly, so as to reduce potential safety hazards and ensure effective installation. , The effect of improving the safety of well entry
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Embodiment 1
[0033] A supporting component for the inner blowout preventer of the drilling tool, its function is to assist when the inner blowout preventer is installed in the housing 15, such as Figure 2 to Figure 4 As shown, it includes an outer cylinder 1, a force-bearing member 2 fixedly sleeved on the outer wall of the outer cylinder 1, and a force-applying member 3 slidingly sleeved on the outer wall of the outer cylinder 1. The force-applying member 3 is located above the force-bearing member 2. A buffer layer 4 is provided at the bottom of the force member 2; the outer diameter of the outer cylinder 1 is the same as that of the matching inner blowout preventer; it also includes a middle cylinder 5 that runs through the outer cylinder 1, and the middle cylinder 5 and the outer cylinder 1 are coaxial, and the middle cylinder 5 can move axially in the outer cylinder 1.
[0034] Such as figure 2 As shown, the first centering device 6 and the second centering device 7 distributed up ...
Embodiment 2
[0039] The supporting assembly for the blowout prevention device in the drilling tool, on the basis of embodiment 1, also includes such as Figure 5 As shown in the base 8 , a cylindrical boss 801 is arranged on the top of the base 8 , and a first light source 802 is embedded on the top surface of the cylindrical boss 801 .
[0040] The state of base 8 when in use is as Figure 6 As shown, it is sufficient to cover the male buckle end at the bottom of the housing 15 on the outside of the boss 801 on the base.
[0041] Preferably, the outer diameter of the boss 801 shown is equal to the inner diameter of the male buckle end at the bottom of the housing 15 .
Embodiment 3
[0043] For the supporting assembly of blowout preventer in drilling tool, on the basis of embodiment 2, such as Figure 7 and Figure 8 As shown, it also includes an inner cylinder 9 that can move axially in the middle cylinder 5, and the length of the inner cylinder 9 is greater than the length of the middle cylinder 5; the bottom end of the inner cylinder 9 is provided with a first reflector 10, an inner cylinder 9. A second reflective mirror 11 is provided at the top; the first reflective mirror 10 is used to reflect the light coming from the radial direction of the inner tube 9 to the second reflective mirror 11 through the inner tube 9 . The outer diameter of the inner cylinder 9 is equal to the inner diameter of the middle cylinder 5, and the inner cylinder 9 and the middle cylinder 5 are slidingly fitted.
[0044] The first reflective mirror 10 is fixedly connected to one side of the bottom end of the inner cylinder 9, and the first reflective mirror 10 is inclined tow...
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