CN210264628U - Cement umbrella for well cementation equipment - Google Patents
Cement umbrella for well cementation equipment Download PDFInfo
- Publication number
- CN210264628U CN210264628U CN201921105082.0U CN201921105082U CN210264628U CN 210264628 U CN210264628 U CN 210264628U CN 201921105082 U CN201921105082 U CN 201921105082U CN 210264628 U CN210264628 U CN 210264628U
- Authority
- CN
- China
- Prior art keywords
- cement
- cement umbrella
- umbrella
- barrel
- well cementation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004568 cement Substances 0.000 title claims abstract description 80
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 10
- 241001330002 Bambuseae Species 0.000 abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 10
- 239000011425 bamboo Substances 0.000 abstract description 10
- 239000011440 grout Substances 0.000 abstract description 9
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 210000002445 nipple Anatomy 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001133 acceleration 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
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a cement umbrella for well cementation equipment, the novel nipple rectifier comprises a cylindrical shel, the internally mounted of barrel has the elasticity circle, and the outside of elasticity circle is connected with elastic steel sheet, elastic steel sheet's the outside is provided with movable mechanism, and elastic steel sheet's output installs the base, the internally mounted of barrel has fixed establishment. The utility model discloses in, effect through the elasticity circle, can carry out the tight regulation operation to the feed inlet of barrel, be convenient for accelerate the injection operating speed of cement umbrella, in order to prevent that the accident phenomenon of cement not pouring into a toper section of thick bamboo, hoisting device's work efficiency, it has certain flexibility and rigidity to have just the piece through elasticity, can avoid the fast problem of cement umbrella in-process wearing and tearing down, make the grout of its bearing sink the safe and reliable of in-process, through the effect of rubber ring, can carry out the surface protection operation to the cement umbrella in-process of sinking, the superficial layer of avoiding the cement umbrella receives the damage, in order to prevent the life-span efficiency that reduces the cement umbrella.
Description
Technical Field
The utility model relates to a well cementation equipment technical field especially relates to a cement umbrella for well cementation equipment.
Background
At present, most of plugging tools used in petroleum and geological drilling engineering in China for preventing cement slurry from sinking in the cementing process adopt a cement umbrella, a leather cup and a casing pipe outer packer, wherein the cement umbrella is an isolating device used in the cementing construction process of a suspended sealing section and used for preventing the cement slurry from being replaced with drilling fluid to settle, the cement umbrella is installed at the bottom of the suspended sealing section and used for supporting the cement in an annular space, the leakage of the cement slurry can be prevented or reduced, a weak stratum structure can be protected to prevent excessive static pressure generated by the weight of a cement column, the cement umbrella and the casing pipe outer packer are usually installed on a casing pipe string above the weak stratum structure, but the cement umbrella and the casing pipe outer packer are also used in layered well cementation and surface well cementation, and each metal sheet on the cement umbrella can provide the maximum elasticity and fluid channel when the optimized supporting characteristic is maintained.
Current cement umbrella is at the in-process of going into the well and the wall of a well looks mutual friction, appears blocking easily and damages the surperficial phenomenon of cement umbrella, and present cement umbrella does not have fixed function moreover, and the process time is permanent, causes the cement of pouring into easily to break away from the cement umbrella, reduces the work efficiency of device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a cement umbrella for well cementation equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cement umbrella for well cementation equipment, includes the barrel, the internally mounted of barrel has the elasticity circle, and the outside of elasticity circle is connected with elastic steel sheet, elastic steel sheet's the outside is provided with moving mechanism, and elastic steel sheet's output installs the base, the internally mounted of barrel has fixed establishment.
As a further description of the above technical solution:
the inside of moving mechanism is including the rubber ring, and the U groove has been seted up to the inside of rubber ring, the inside of rubber ring is provided with the pivot, and the gyro wheel is installed in the outside of pivot.
As a further description of the above technical solution:
the fixing mechanism is characterized in that the fixing mechanism comprises a conical cylinder, a convex block is arranged on the inner wall of the conical cylinder, and an annular groove is formed in the conical cylinder.
As a further description of the above technical solution:
the idler wheel and the rotating shaft form a rotating structure, and the central axis of the idler wheel corresponds to the central axis of the U-shaped groove.
As a further description of the above technical solution:
the conical cylinder is fixedly connected with the cylinder body, and the central point of the conical cylinder coincides with the central point of the annular groove.
As a further description of the above technical solution:
the cross-sectional area of barrel is greater than the cross-sectional area of elasticity circle, and is elastic connection between elasticity circle and the barrel.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the effect of elasticity circle, can carry out the tight regulation operation to the feed inlet of barrel, be convenient for accelerate the injection operating speed of cement umbrella to prevent that cement from not injecting into the accident phenomenon of a toper section of thick bamboo, hoisting device's work efficiency has certain flexibility and rigidity through the rigid piece of elasticity, can avoid the cement umbrella to go into the well fast problem of in-process wearing and tearing, makes the grout of its bearing sink the safe and reliable of in-process.
2. The utility model discloses in, effect through the rubber ring, can carry out the surface protection operation to the cement umbrella in-process of going into the well, the superficial layer of avoiding the cement umbrella receives the damage, in order to prevent to reduce the life efficiency of cement umbrella, effect through the intra-annular U groove of rubber, can be better hugging closely the wall of a well at the injected cement in-process, avoid the cement umbrella to appear decline phenomenon and extravagant a large amount of cement costs, effect through the gyro wheel, the pivot drives the gyro wheel and can play acceleration function when the operation of going into the well is being carried out to the cement umbrella, the card pause phenomenon appears in the operation of avoiding the device going into the well, the operating speed efficiency of reinforcing device.
3. The utility model discloses in, effect through a toper section of thick bamboo, can accomodate the operation to cement, thereby reach the unsettled sealing section cementing operation of cement umbrella, can prevent or reduce the leakage of cement thick liquid, effect through lug in the toper section of thick bamboo, can carry out the solid operation of card to the grout of pouring into, and simultaneously, ring channel effect through the fretwork form, cement thick liquid can better pour into in the ring channel, make cement thick liquid dry the back for a long time and be difficult for taking place the separation phenomenon with the cement umbrella through the time, hoisting device's work efficiency, effect through the base, can take place cement umbrella unsettled sealing section bottom bearing cement, prevent that cement thick liquid and drilling fluid from taking place the replacement.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a movable mechanism of the present invention;
fig. 3 is a schematic structural diagram of the middle fixing mechanism of the present invention.
Illustration of the drawings:
1. a barrel; 2. an elastic ring; 3. an elastic steel sheet; 4. a movable mechanism; 401. a rubber ring; 402. a U groove; 403. a rotating shaft; 404. a roller; 5. a fixing mechanism; 501. a tapered barrel; 502. a bump; 503. an annular groove; 6. a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a cement umbrella for well cementation equipment comprises a cylinder body 1, wherein an elastic ring 2 is installed inside the cylinder body 1, an elastic steel sheet 3 is connected to the outer side of the elastic ring 2, a movable mechanism 4 is arranged on the outer side of the elastic steel sheet 3, a base 6 is installed at the output end of the elastic steel sheet 3, and a fixing mechanism 5 is installed inside the cylinder body 1.
Further, the inside of the movable mechanism 4 includes a rubber ring 401, and a U-shaped groove 402 is formed in the rubber ring 401, a rotating shaft 403 is arranged in the rubber ring 401, and a roller 404 is installed on the outer side of the rotating shaft 403.
Further, the fixing mechanism 5 includes a conical cylinder 501, a protrusion 502 is mounted on the inner wall of the conical cylinder 501, and an annular groove 503 is formed in the conical cylinder 501.
Further, gyro wheel 404 and pivot 403 constitute revolution mechanic, and the axis of gyro wheel 404 is corresponding with the axis of U groove 402, through the effect of U groove 402 in the rubber ring 401, can be better hugging closely the wall of a well at the injected cement slurry in-process, avoids the cement umbrella to appear descending phenomenon and extravagant a large amount of cement costs.
Further, be fixed connection between a toper section of thick bamboo 501 and the barrel 1, and the central point of a toper section of thick bamboo 501 coincides mutually with the central point of ring channel 503, accomodate the operation through a toper section of thick bamboo 501 to cement, thereby reach the unsettled sealing section cementing operation of cement umbrella, can prevent or reduce the loss of cement paste, lug 502 carries out the card solid operation to the grout of pouring into through a toper section of thick bamboo 501, and simultaneously, ring channel 503 grout through the fretwork form can better pour into in the ring channel 503 into, make the grout difficult and cement umbrella emergence separation phenomenon after the time is dried for a long time, the work efficiency of hoisting device.
Further, the cross sectional area of barrel 1 is greater than the cross sectional area of elasticity circle 2, and is elastic connection between elasticity circle 2 and the barrel 1, through the effect of elasticity circle 2, can carry out the tight regulation operation to the feed inlet of barrel 1, is convenient for accelerate the injection operating speed of cement umbrella to prevent that cement from not injecting into the accident phenomenon of a toper section of thick bamboo 501, hoisting device's work efficiency.
The working principle is as follows: when the cement umbrella pulling device is used, workers manually perform tightness adjustment operation on the elastic ring 2 according to the feeding hole of the barrel body 1, so that the injection working speed of the cement umbrella is accelerated to prevent the accident phenomenon that cement is not injected into the conical barrel 501, the workers drop the adjusted cement umbrella into a well to be fixed, when the cement umbrella is subjected to well descending operation, the rotating shaft 403 drives the roller 404 to play an accelerating function to prevent the device from being stuck in the well descending operation, the surface protection operation is performed on the cement umbrella in the well descending process through the rubber ring 401 to prevent the surface layer of the cement umbrella from being damaged, so that the service life efficiency of the cement umbrella is prevented from being reduced, the cement umbrella can be better attached to the well wall in the cement slurry injection process through the action of the U groove 402 in the rubber ring 401 to prevent the cement umbrella from falling and wasting a large amount of cement cost, after the cement umbrella falls to a designated position, the cement is stored and operated through the conical barrel 501, thereby reach the unsettled sealing section cementing operation of cement umbrella, can prevent or reduce the loss of cement thick liquid, carry out the card through lug 502 in the toper section of thick bamboo 501 and fix the operation to the grout of pouring into, simultaneously, through the annular groove 503 grout of fretwork form can be better pour into in the annular groove 503 into for the grout is difficult for taking place the separation phenomenon with the cement umbrella after the time dries for a long time, the work efficiency of hoisting device.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a cement umbrella for well cementation equipment, includes barrel (1), its characterized in that, the internally mounted of barrel (1) has elasticity circle (2), and the outside of elasticity circle (2) is connected with elastic steel sheet (3), the outside of elastic steel sheet (3) is provided with moving mechanism (4), and the output of elastic steel sheet (3) installs base (6), the internally mounted of barrel (1) has fixed establishment (5).
2. The cement umbrella for the well cementation equipment as claimed in claim 1, wherein the inside of the movable mechanism (4) comprises a rubber ring (401), a U-shaped groove (402) is formed in the rubber ring (401), a rotating shaft (403) is arranged in the rubber ring (401), and a roller (404) is installed on the outer side of the rotating shaft (403).
3. The cement umbrella for the well cementation equipment as claimed in claim 1, wherein the fixing mechanism (5) comprises a conical cylinder (501) inside, a convex block (502) is installed on the inner wall of the conical cylinder (501), and an annular groove (503) is opened inside the conical cylinder (501).
4. A cement umbrella for a well cementation device as claimed in claim 2, characterized in that the roller (404) and the rotating shaft (403) form a rotating structure, and the central axis of the roller (404) corresponds to the central axis of the U-shaped groove (402).
5. A cement umbrella for a well cementation device as claimed in claim 3, characterized in that the conical cylinder (501) is fixedly connected with the cylinder body (1), and the central point of the conical cylinder (501) coincides with the central point of the annular groove (503).
6. The cement umbrella for the well cementation equipment as claimed in claim 1, wherein the cross-sectional area of the barrel body (1) is larger than that of the elastic ring (2), and the elastic ring (2) is elastically connected with the barrel body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105082.0U CN210264628U (en) | 2019-07-16 | 2019-07-16 | Cement umbrella for well cementation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105082.0U CN210264628U (en) | 2019-07-16 | 2019-07-16 | Cement umbrella for well cementation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210264628U true CN210264628U (en) | 2020-04-07 |
Family
ID=70012558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921105082.0U Expired - Fee Related CN210264628U (en) | 2019-07-16 | 2019-07-16 | Cement umbrella for well cementation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210264628U (en) |
-
2019
- 2019-07-16 CN CN201921105082.0U patent/CN210264628U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |