CN221195017U - Anti-blocking float collar for oilfield drilling - Google Patents
Anti-blocking float collar for oilfield drilling Download PDFInfo
- Publication number
- CN221195017U CN221195017U CN202322907920.9U CN202322907920U CN221195017U CN 221195017 U CN221195017 U CN 221195017U CN 202322907920 U CN202322907920 U CN 202322907920U CN 221195017 U CN221195017 U CN 221195017U
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- China
- Prior art keywords
- plate
- flange
- damping
- sealing ring
- spring
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- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 238000013016 damping Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 22
- 230000009471 action Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000007667 floating Methods 0.000 description 8
- 239000004568 cement Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000001739 rebound effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses an anti-blocking float collar for oilfield drilling, which relates to the technical field of float collars and is provided with a scheme that the anti-blocking float collar comprises a mounting shell and a connecting mechanism arranged in the mounting shell, wherein the connecting mechanism comprises an elastic component and a telescopic component; the elastic component comprises a supporting plate, a baffle plate, a damping spring, a damping strut, a fixing plate and a sealing ring, wherein the supporting plate is arranged in the installation shell, and the baffle plate is arranged on the inner wall of the supporting plate; through setting up damping spring, the baffle and the backup pad that set up are fixed connection, when the installation shell carries out the feeding, and the sealing ring inwards extrudees through connecting spring, then receives connecting spring's resilience when acting on sealing ring and fixed plate laminating sealed effect avoid producing the effect of backward flow, then the fixed plate can carry out certain shock attenuation cushioning's effect through damping spring and damping branch and baffle, carries out certain guard action to the backup pad, avoids long-time use to cause the harm.
Description
Technical Field
The utility model relates to the technical field of floating hoops, in particular to an anti-blocking floating hoop for oilfield drilling.
Background
The floating collar and the floating shoe are casing collar or guide shoe capable of bearing the reverse pressure of cement paste outside the casing, and the floating shoe or the floating collar is high in high temperature resistance, good in sealing performance and drillability and convenient to connect, so that the floating collar can replace the guide shoe, the casing shoe and the like, and the main function of the floating collar is to guide the casing to smoothly enter a well, adjust the buoyancy force born by a casing string when the casing is put into the well, and prevent cement from being guided back to the casing when the well is fixed.
However, in the prior art, when drilling in the oil field, because a great impact force is generated when cement slurry is poured, certain damage is easily caused when the spring rebounds, and the spring is easily deflected when the spring rebounds, so that the use requirement of people is not met, and therefore, the anti-blocking float collar for drilling in the oil field is needed.
Disclosure of utility model
The utility model aims to provide an anti-blocking float collar for oilfield drilling, which solves the problems that when oilfield drilling is performed, a large impact force is generated when cement slurry is poured, certain damage is easily caused when rebound is performed, deflection is easily caused when springs rebound, and the use requirement of people is not met.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-blocking float collar for oilfield drilling comprises a mounting shell and a connecting mechanism arranged in the mounting shell, wherein the connecting mechanism comprises an elastic component and a telescopic component;
The elastic assembly comprises a supporting plate, a baffle plate, a damping spring, a damping supporting rod, a fixing plate and a sealing ring, wherein the supporting plate is arranged in the installation shell, the baffle plate is arranged on the inner wall of the supporting plate, the damping spring is fixedly connected with the inner wall of the baffle plate, the damping supporting rod is arranged on the inner ring of the damping spring, the fixing plate is arranged at the tail end of the damping spring, and the sealing ring is connected to the right side of the fixing plate in a fitting manner;
The telescopic assembly comprises a connecting spring, a mounting plate and a telescopic sleeve rod, wherein the connecting spring is mounted on the right side wall of the sealing ring, the mounting plate is mounted at the tail end of the connecting spring, and the telescopic sleeve rod is fixedly connected with the inner wall of the mounting plate.
Preferably, the end of the installation shell is provided with a first flange, the inner wall of the first flange is connected with a second flange in a fitting mode, the interior of the second flange is provided with a threaded bolt, and the end of the second flange is provided with a valve seat.
Preferably, the fixed plate and the baffle form an elastic structure through the damping springs and the damping struts.
Preferably, the sealing ring and the mounting plate form an elastic structure through a connecting spring, and the sealing ring is fixedly connected with the mounting plate through a telescopic loop bar.
Preferably, the mounting plate is in a hole-shaped structure.
Preferably, the mounting shell is connected with the valve seat in a fitting way through the first flange and the second flange, and the first flange and the second flange form a detachable structure through the threaded bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. Through setting up damping spring, the baffle and the backup pad that set up are fixed connection, when the installation shell carries out the feeding, and the sealing ring inwards extrudees through connecting spring, then receives connecting spring's resilience when acting on sealing ring and fixed plate laminating sealed effect avoid producing the effect of backward flow, then the fixed plate can carry out certain shock attenuation cushioning's effect through damping spring and damping branch and baffle, carries out certain guard action to the backup pad, avoids long-time use to cause the harm.
2. Through setting up flexible loop bar, the sealing ring inwards extrudees through connecting spring, then receives connecting spring's resilience when acting on the sealing ring and fixed plate laminating sealed effect and avoid producing the effect of backward flow, then connecting spring extrudees when contracting, and the sealing ring is fixed connection between through flexible loop bar and the mounting panel, can connect the spring and shrink along flexible loop bar when contracting, avoids producing the skew when contracting at carrying out the sealing ring, leads to the leakproofness relatively poor.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an anti-blocking float collar for oilfield drilling;
FIG. 2 is a schematic diagram of the internal structure of an installation shell of an anti-blocking float collar for oilfield drilling;
FIG. 3 is a schematic diagram of a supporting plate structure of an anti-blocking float collar for oilfield drilling;
Fig. 4 is a schematic diagram of a valve seat structure of an anti-blocking float collar for oilfield drilling.
In the figure: 1. mounting a shell; 2. a first flange; 3. a second flange; 4. a threaded bolt; 5. a valve seat; 6. a support plate; 7. a baffle; 8. a damping spring; 9. damping strut; 10. a fixing plate; 11. a seal ring; 12. a connecting spring; 13. a mounting plate; 14. a telescopic loop bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
1-4, An anti-blocking float collar for oilfield drilling in the drawings comprises a mounting shell 1 and a connecting mechanism arranged inside the mounting shell 1, wherein the connecting mechanism comprises an elastic component and a telescopic component;
The elastic component comprises a supporting plate 6, a baffle plate 7, a damping spring 8, a damping strut 9, a fixing plate 10 and a sealing ring 11, wherein the supporting plate 6 is installed in the installation shell 1, the baffle plate 7 is installed on the inner wall of the supporting plate 6, the damping spring 8 is fixedly connected to the inner wall of the baffle plate 7, the damping strut 9 is installed on the inner ring of the damping spring 8, the fixing plate 10 is installed at the tail end of the damping spring 8, and the sealing ring 11 is connected to the right side of the fixing plate 10 in a bonding mode;
The telescopic assembly comprises a connecting spring 12, a mounting plate 13 and a telescopic sleeve rod 14, wherein the connecting spring 12 is mounted on the right side wall of the sealing ring 11, the mounting plate 13 is mounted at the tail end of the connecting spring 12, and the telescopic sleeve rod 14 is fixedly connected to the inner wall of the mounting plate 13.
Wherein, as shown in fig. 3, fixed plate 10 constitutes elastic structure through damping spring 8 and damping branch 9 and baffle 7, baffle 7 and backup pad 6 that set up are fixed connection, when installation shell 1 carries out the feeding, seal ring 11 inwards extrudees through coupling spring 12, then seal ring 11 and fixed plate 10 laminate sealed effect and avoid producing the effect of backward flow when receiving coupling spring 12's resilience effect, then fixed plate 10 can carry out certain shock attenuation cushioning's effect through damping spring 8 and damping branch 9 and baffle 7, carry out certain guard action to backup pad 6, avoid long-time use to cause the harm.
Wherein, as shown in fig. 2, seal ring 11 constitutes elastic structure through coupling spring 12 and mounting panel 13, be fixed connection between seal ring 11 and the mounting panel 13 through flexible loop bar 14, seal ring 11 inwards extrudees through coupling spring 12, then seal ring 11 and fixed plate 10 laminate sealed effect and avoid producing the effect of backward flow when receiving coupling spring 12's resilience effect, then coupling spring 12 extrudees when contracting, seal ring 11 is fixed connection through between flexible loop bar 14 and the mounting panel 13, can connect spring 12 can shrink along flexible loop bar 14 when contracting, avoid producing the skew when contracting at carrying out seal ring 11, lead to the leakproofness relatively poor.
As shown in fig. 2, the mounting plate 13 has a hole structure, and is used for blocking larger impurities of particles when oilfield drilling fluid passes through, so as to protect the interior of the equipment.
Example 2
As shown in fig. 1, 2 and 4, this embodiment further describes example 1, a first flange 2 is mounted at the end of the mounting housing 1, a second flange 3 is attached to the inner wall of the first flange 2, a threaded bolt 4 is mounted inside the second flange 3, and a valve seat 5 is mounted at the end of the second flange 3.
Wherein, as shown in fig. 4, the installation shell 1 is connected for laminating between through first flange 2 and second flange 3 and disk seat 5, and first flange 2 passes through screw 4 and constitutes detachable construction with second flange 3, and the installation shell 1 of setting carries out certain dismantlement work through first flange 2 and second flange 3 under the effect of screw 4 with disk seat 5, is convenient for regularly carry out certain dismantlement clearance, avoids using for a long time to cause the jam.
When in use, the utility model is characterized in that: firstly, seal ring 11 inwards extrudes through connecting spring 12, then receive connecting spring 12's rebound effect when seal ring 11 and fixed plate 10 laminate sealed effect and avoid producing the effect of backward flow, then connecting spring 12 extrudees when contracting, seal ring 11 is fixed connection through between flexible loop bar 14 and the mounting panel 13, can connect spring 12 can shrink along flexible loop bar 14 when contracting, avoid producing the skew when carrying out seal ring 11 and shrink, lead to the leakproofness relatively poor, then baffle 7 and backup pad 6 that set up are fixed connection, when installation shell 1 carries out the feeding, seal ring 11 inwards extrudes through connecting spring 12, then seal ring 11 and fixed plate 10 laminate sealed effect and avoid producing the effect of backward flow when receiving connecting spring 12's rebound effect, then fixed plate 10 can carry out certain shock attenuation cushioning's effect through damping spring 8 and damping branch 9 and baffle 7, carry out certain guard action to backup pad 6, avoid long-time use to cause the harm.
Finally, the installation shell 1 that sets up carries out certain dismantlement work through first flange 2 and second flange 3 with disk seat 5 under the effect of screw 4, is convenient for regularly carry out certain dismantlement clearance, avoids using for a long time to cause the jam.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an oil field is anti-blocking float collar for well drilling, includes installation shell (1) and sets up at the inside coupling mechanism of installation shell (1), its characterized in that: the connecting mechanism comprises an elastic component and a telescopic component;
The elastic component comprises a supporting plate (6), a baffle plate (7), a damping spring (8), a damping supporting rod (9), a fixing plate (10) and a sealing ring (11), wherein the supporting plate (6) is installed in the installation shell (1), the baffle plate (7) is installed on the inner wall of the supporting plate (6), the damping spring (8) is fixedly connected with the inner wall of the baffle plate (7), the damping supporting rod (9) is installed on the inner ring of the damping spring (8), the fixing plate (10) is installed at the tail end of the damping spring (8), and the sealing ring (11) is attached to the right side of the fixing plate (10);
The telescopic assembly comprises a connecting spring (12), a mounting plate (13) and a telescopic sleeve rod (14), wherein the connecting spring (12) is arranged on the right side wall of the sealing ring (11), the mounting plate (13) is arranged at the tail end of the connecting spring (12), and the telescopic sleeve rod (14) is fixedly connected to the inner wall of the mounting plate (13).
2. The anti-clogging float collar for oilfield drilling of claim 1, wherein: the novel valve is characterized in that a first flange (2) is arranged at the tail end of the installation shell (1), a second flange (3) is connected to the inner wall of the first flange (2) in a fit mode, a threaded bolt (4) is arranged in the second flange (3), and a valve seat (5) is arranged at the tail end of the second flange (3).
3. The anti-clogging float collar for oilfield drilling of claim 1, wherein: the fixing plate (10) and the baffle (7) form an elastic structure through the damping springs (8) and the damping support rods (9).
4. The anti-clogging float collar for oilfield drilling of claim 1, wherein: the sealing ring (11) and the mounting plate (13) form an elastic structure through the connecting spring (12), and the sealing ring (11) and the mounting plate (13) are fixedly connected through the telescopic loop bar (14).
5. The anti-clogging float collar for oilfield drilling of claim 1, wherein: the mounting plate (13) is of a hole-shaped structure.
6. The anti-clogging float collar for oilfield drilling of claim 2, wherein: the mounting shell (1) is connected with the valve seat (5) in a fitting way through the first flange (2) and the second flange (3), and the first flange (2) and the second flange (3) form a detachable structure through the threaded bolt (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322907920.9U CN221195017U (en) | 2023-10-27 | 2023-10-27 | Anti-blocking float collar for oilfield drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322907920.9U CN221195017U (en) | 2023-10-27 | 2023-10-27 | Anti-blocking float collar for oilfield drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221195017U true CN221195017U (en) | 2024-06-21 |
Family
ID=91488384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322907920.9U Active CN221195017U (en) | 2023-10-27 | 2023-10-27 | Anti-blocking float collar for oilfield drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221195017U (en) |
-
2023
- 2023-10-27 CN CN202322907920.9U patent/CN221195017U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |