CN206047540U - A kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus - Google Patents
A kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus Download PDFInfo
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- CN206047540U CN206047540U CN201621076210.XU CN201621076210U CN206047540U CN 206047540 U CN206047540 U CN 206047540U CN 201621076210 U CN201621076210 U CN 201621076210U CN 206047540 U CN206047540 U CN 206047540U
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- demoulding
- cement sheath
- oil
- gas well
- cylinder system
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Abstract
This utility model provides a kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus, belongs to oil and gas development field.The Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus includes：Hydraulic mechanism, stripper sleeve body, backing plate and demoulding loading blocks；The hydraulic mechanism is arranged on one end of stripper sleeve body, and the piston rod of hydraulic mechanism is connected with demoulding loading blocks；Wellbore system is placed in the stripper sleeve body；The backing plate is placed in the annular space of wellbore system one end；The demoulding loading blocks are inserted in backing plate.The reuse of pit shaft can be realized using this utility model, the machine automatization demoulding can be carried out, the labor intensity of the artificial demoulding can be reduced, raised labour efficiency.
Description
Technical field
This utility model belongs to oil and gas development field, and in particular to a kind of Oil/gas Well experimental wwll cylinder system cement sheath demoulding dress
Put.
Background technology
With the increase of Oil/gas Well production time, well head annular space phenomenon with pressure becomes increasingly conspicuous；Unconventional gas well such as shale gas
The also generally existing annular space phenomenon with pressure after pressure break.Affect annular space factor with pressure more, bonding quality of such as cementing the well is poor, pressure becomes
Change, temperature change, pressure break load, the deterioration of long-term boundary etc. cause the structural deterioration of annular space cement sheath or microgap occur, cause gas
Migrate to well head along passage, cause well head annular space with pressure.High-pressure oil-gas well annular space is with pressure to be caused the wasting of resources, is just affecting Oil/gas Well
Often produce, even result in Oil/gas Well and scrap, it is very harmful, it is current petroleum works urgent need to solve the problem.
The failure of cement sheath sealing causes the technical barrier that Oil/gas Well annular space phenomenon with pressure is that oil gas field production is commonly encountered,
Especially high gas rate well, high-pressure gas well wellheadpressure Prevention Technique is internationally recognized technical barrier.It is with pressure currently for annular space
The newest cement sheath evaluation test carried out is, using a kind of cement sheath long term seal evaluating apparatus, can truly to simulate down-hole ring
Border and gas producing technology process temperature pressure change, carry out cement sheath long term seal and evaluate, and can simulate different interface agglutination bars
The long term seal performance of cement sheath under part, and carry out the evaluation of different performance cement sheath sealability, it is high gas rate well cement
The selection and research of slurry system provides scientific guidance.But the cement sheath in cement sheath sealing evaluating apparatus wellbore system is difficult to take off
Mould, using the artificial demoulding, efficiency is low, high labor intensive；Not demoulding wellbore system cannot realize recycling, cause the big of material
Amount is wasted.
Therefore, it is badly in need of a kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus of exploitation, demoulding effect can be greatly improved
Rate, reduces labor intensity, realizes the recycling of wellbore system, saves material and experimentation cost；For preferably research cement sheath
Long term seal, prevention Oil/gas Well annular space offer convenience with pressure.
Utility model content
The purpose of this utility model is to solve a difficult problem present in above-mentioned prior art, there is provided a kind of Oil/gas Well test well
Cartridge system cement sheath stripper apparatus, can greatly improve demoulding efficiency, reduce labor intensity, realize the repetition profit of wellbore system
With saving material and experimentation cost.
This utility model is achieved through the following technical solutions：
A kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus, including：Hydraulic mechanism, stripper sleeve body, backing plate and de-
Mould loading blocks；
The hydraulic mechanism is arranged on one end of stripper sleeve body, and the piston rod of hydraulic mechanism is connected with demoulding loading blocks；
Wellbore system is placed in the stripper sleeve body；The backing plate is placed in the annular space of wellbore system one end；
The demoulding loading blocks are inserted in backing plate.
The demoulding loading blocks are cylindrical structure, are provided with ring-shaped step in the outer surface of its one end, its other end and hydraulic pressure
The piston rod connection of mechanism.
The backing plate is cylindrical structure, and the macropore for being coaxial therewith line is provided with its one end, and the diameter of the macropore compares the demoulding
The diameter of the ring-shaped step of loading blocks is big, and during work, the ring-shaped step of demoulding loading blocks is inserted in the macropore of backing plate；
Arcuate socket is provided with the other end of the backing plate；The centre bore for being coaxial therewith line is provided with the center of backing plate, in this
Macropore is connected by heart hole with arcuate socket.
The stripper sleeve body includes support, demoulding top board, demoulding lower platen；The demoulding top board and demoulding lower platen
It is oppositely arranged in parallel；
The demoulding top board, demoulding lower platen are square platy structure, in demoulding top board, demoulding lower platen
The heart is provided with central through hole, on demoulding top board, four angles of demoulding lower platen is respectively equipped with through hole；
The hydraulic mechanism is installed in the central through hole of demoulding top board, its piston rod through after central through hole with the demoulding
Loading blocks connect, and the central through hole of the demoulding lower platen is used to allow the cement sheath of abjection to pass through demoulding lower platen；
The support includes 4 support rods be arrangeding in parallel, and the two ends of 4 support rods are separately mounted to press in the demoulding
In the through hole of the corner of plate and demoulding lower platen.
The support rod is rod-like structure, is respectively arranged at two ends with screw thread in rod-like structure；It is provided with screw thread and props up
Frame pull bar pressure cap, the two ends of each support rod are fixed on demoulding top board and demoulding lower platen by support rod pressure cap.
Female thread is provided with the support rod pressure cap, the screwed hole perpendicular to axis is provided with its external wall.
The Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus includes that press is supported, and the press is supported to be arranged on and propped up
The lower section of frame, whole stripper sleeve body is supported；
The press is supported includes cross-brace and vertical supporting, and the cross-brace is two that horizontal direction parallel is placed
Bar square steel bar, vertical supporting are to be arranged on the multiple pillars below cross-brace, the demoulding top board and demoulding lower platen
Bottom is placed on the press and supports.
The Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus includes at least two wellbore supports, the wellbore support
Lower end be installed in the cross-brace of press support, upper end is provided with recess, the shape of the recess and the outer surface of pit shaft
Shape correspondence, pit shaft accumbency is in the pit of each wellbore support.
Compared with prior art, the beneficial effects of the utility model are：
(1) reuse of pit shaft can be realized；
(2) the machine automatization demoulding can be carried out；
(3) labor intensity of the artificial demoulding can be reduced, is raised labour efficiency
Description of the drawings
The front view of Fig. 1-1 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus；
The left view of Fig. 1-2 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus；
The front view of the stripper sleeve body in Fig. 2-1 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus；
The left view of the stripper sleeve body in Fig. 2-2 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus；
The front view of the demoulding loading blocks in Fig. 3 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus；
The front view of the backing plate in Fig. 4-1 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus；
The left view of the backing plate in Fig. 4-2 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus；
The main view of the demoulding top board in Fig. 5-1 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus
Figure；
The left view of the demoulding top board in Fig. 5-2 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus
Figure；
The main view of the demoulding lower platen in Fig. 6-1 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus
Figure；
The left view of the demoulding lower platen in Fig. 6-2 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus
Figure；
The structure chart of the support rod in Fig. 7 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus；
The structure of the support rod pressure cap in Fig. 8 this utility model Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus
Figure.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail：
Oil/gas Well includes that the unconventional gas well such as shale gas well causes well head annular space with pressure in working procedure and production process
Factor is more, and such as pressure break load, interface long term deterioration, cement sheath long-term ageing, gas recovery temperature, pressure change to cement sheath
Structural damage etc..One kind is employed to the evaluation of cement sheath sealability at present being capable of scientific evaluation cement sheath long term seal performance
Device.Different cement slurries are simulated by setting up test platform and physical modeling's pit shaft and ties up to different cementing intensity, difference
The simulation test of gas producing technology, different larval instar, design simulation test parameterss, and cement sheath sealability is detected by test platform
Breakdown point, analyzes the critical point of cement sheath seal failure reason and each Structural Parameters on Sealing.But the water of the device wellbore system
Mud ring is difficult to the demoulding, and using the artificial demoulding, efficiency is low, high labor intensive；Then wellbore system cannot realize recycling for the not demoulding,
Cause a large amount of wastes of material.
As shown in Fig. 1-1 and Fig. 1-2, this utility model provides a kind of Oil/gas Well experimental wwll cylinder system cement sheath demoulding dress
Put.This utility model device includes：Hydraulic mechanism 1, stripper sleeve body, backing plate 3 and demoulding loading blocks 2.Pit shaft 5 in Fig. 1-1 is
The part of the picture point in the middle of system is cement sheath.Stripper sleeve body device supports 7, pit shaft including press as shown in Fig. 1-1 and Fig. 1-2
Support 6 (for placing wellbore system 5) and support 4；Hydraulic mechanism 1 can provide 100 tons of demoulding load, the piston of hydraulic mechanism
Connection demoulding loading blocks, it is that whole device and pit shaft 5 are carried that press supports 7 (press supports 7 can adopt columned, long rod)
For supporting, wellbore support 6 can support wellbore system, and (wellbore support 6 can be cut out semicircle, be easy to put using tabular above it
Put the pit shaft of cylinder), support 4 includes 4 support rods, and the two ends of 4 support rods are separately fixed at demoulding top board, take off
On die slide, ensuring equipment can bear 100 tons of load.
The structure of the demoulding loading blocks is provided with annular table in one end outer surface of cylinder as shown in figure 3, be cylindrical structure
Rank, one end of demoulding loading blocks are connected with the piston of hydraulic mechanism, and the one end with ring-shaped step is operationally coordinated with backing plate,
The centre of insertion backing plate 3.
The structure of the backing plate 3, as shown in Fig. 4-1 and Fig. 4-2, is cylindrical structure, is provided with greatly in one end of cylinder
Hole, the macropore are coordinated with the ring-shaped step in demoulding loading blocks, and the ring-shaped step size of demoulding loading blocks is less, opens on backing plate
Hole it is larger, be inserted directly into；Arcuate socket is provided with the other end, arcuate structure is little with the contact area of cement sheath, pressure is big,
Broken Behavior of Hardened Cement Paste can be squeezed；Centre bore is provided with the center of cylinder, macropore is connected by centre bore with arcuate socket, for reducing cushion block
Weight.
Demoulding top board, demoulding lower platen structure as shown in Fig. 5-1 to Fig. 6-2, be square platy structure, at center and
Through hole is respectively equipped with four angles, for fixed support pull bar, the central through hole of demoulding top board is used to install hydraulic mechanism, allows
The piston of hydraulic mechanism passes through, and the central through hole of demoulding lower platen is used to allow the cement sheath of abjection to pass through.
The structure of the support rod is respectively arranged at two ends with screw thread in rod-like structure as shown in fig. 7, be rod-like structure,
It is easy to be fixed with pressure cap.
The two ends of each support rod are fixed on demoulding top board and demoulding lower platen by support rod pressure cap, described
The structure of support rod pressure cap is provided with the screwed hole perpendicular to axis, just on wall as shown in figure 8, female thread is provided with which
In tightening nuts.
Wellbore system 5 is positioned in the wellbore support 6 of device during use, using hydraulic mechanism 1, loads demoulding loading blocks
2, first ejection sleeve (demoulding loading blocks ring-shaped step position is inserted directly in sleeve pipe, is withstood on sleeve pipe), then use demoulding loading blocks
With backing plate demoulding cement sheath (demoulding loading blocks ring-shaped step position is inserted directly in backing plate, and backing plate heads on cement sheath and gos ahead)；
The mould structure is simple, it is easy to operate, and can greatly increase demoulding efficiency, reduces the labor intensity of the artificial demoulding；And make pit shaft
System is reusable, reduces experimentation cost, it is to avoid waste of material.
The characteristics of of the invention, is as follows：
(1) reuse of wellbore system can be realized；
(2) the machine automatization demoulding can be carried out；
(3) labor intensity of the artificial demoulding is substantially reduced, is raised labour efficiency
This utility model provides a kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus, and the device can realize pit shaft
The demoulding of system cement sheath.Experimental wwll cylinder system cement sheath stripper apparatus mainly includes following components：Stripper sleeve body device,
Backing plate and demoulding loading blocks.Stripper sleeve body device includes hydraulic mechanism, press support, wellbore support and support；Hydraulic mechanism can
100 tons of demoulding load is provided, it is that whole device and wellbore system provide support that press is supported, and wellbore support can support pit shaft system
System, support ensuring equipment can bear 100 tons of load.
Above-mentioned technical proposal is a kind of embodiment of the present utility model, for those skilled in the art,
The utility model discloses on the basis of principle, it is easy to make various types of improvement or deformation, be not limited solely to this reality
It is with the structure described by new above-mentioned specific embodiment therefore previously described simply preferred, and it is not restrictive
Meaning.
Claims (8)
1. a kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus, it is characterised in that：The Oil/gas Well experimental wwll cylinder system
Cement sheath stripper apparatus includes：Hydraulic mechanism, stripper sleeve body, backing plate and demoulding loading blocks；
The hydraulic mechanism is arranged on one end of stripper sleeve body, and the piston rod of hydraulic mechanism is connected with demoulding loading blocks；
Wellbore system is placed in the stripper sleeve body；The backing plate is placed in the annular space of wellbore system one end；
The demoulding loading blocks are inserted in backing plate.
2. Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus according to claim 1, it is characterised in that：The demoulding
Loading blocks are cylindrical structure, are provided with ring-shaped step in the outer surface of its one end, and its other end is connected with the piston rod of hydraulic mechanism.
3. Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus according to claim 2, it is characterised in that：The backing plate
For cylindrical structure, the macropore for being coaxial therewith line is provided with its one end, the ring-shaped step of the diameter of the macropore than demoulding loading blocks
Diameter it is big, during work, the ring-shaped step of demoulding loading blocks is inserted in the macropore of backing plate；
Arcuate socket is provided with the other end of the backing plate；The centre bore for being coaxial therewith line is provided with the center of backing plate, the centre bore
Macropore is connected with arcuate socket.
4. Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus according to claim 3, it is characterised in that：The demoulding
Body includes support, demoulding top board, demoulding lower platen；The demoulding top board and demoulding lower platen are oppositely arranged in parallel；
The demoulding top board, demoulding lower platen are square platy structure, equal at the center of demoulding top board, demoulding lower platen
Central through hole is provided with, and through hole is respectively equipped with demoulding top board, four angles of demoulding lower platen；
The hydraulic mechanism is installed in the central through hole of demoulding top board, and its piston rod is loaded with the demoulding through after central through hole
Block connects, and the central through hole of the demoulding lower platen is used to allow the cement sheath of abjection to pass through demoulding lower platen；
The support includes 4 support rods be arrangeding in parallel, the two ends of 4 support rods be separately mounted to demoulding top board and
In the through hole of the corner of demoulding lower platen.
5. Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus according to claim 4, it is characterised in that：The support
Pull bar is rod-like structure, is respectively arranged at two ends with screw thread in rod-like structure；Support rod pressure cap is provided with screw thread, each
The two ends of frame pull bar are fixed on demoulding top board and demoulding lower platen by support rod pressure cap.
6. Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus according to claim 5, it is characterised in that：The support
Female thread is provided with pull bar pressure cap, the screwed hole perpendicular to axis is provided with its external wall.
7. Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus according to claim 6, it is characterised in that：The oil gas
Well experimental wwll cylinder system cement sheath stripper apparatus includes that press is supported, and the press supports the lower section for being arranged on support, will be whole
Stripper sleeve body is supported；
The press is supported includes cross-brace and vertical supporting, and the cross-brace is two sides that horizontal direction parallel is placed
Steel pole, vertical supporting are the bottom for being arranged on the multiple pillars below cross-brace, the demoulding top board and demoulding lower platen
It is placed on the press to support.
8. Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus according to claim 7, it is characterised in that：The oil gas
Well experimental wwll cylinder system cement sheath stripper apparatus includes at least two wellbore supports, and the lower end of the wellbore support is installed in pressure
In the cross-brace that machine is supported, upper end is provided with recess, and the shape of the recess is corresponding with the external surface shape of pit shaft, pit shaft accumbency
In the pit of each wellbore support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076210.XU CN206047540U (en) | 2016-09-23 | 2016-09-23 | A kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076210.XU CN206047540U (en) | 2016-09-23 | 2016-09-23 | A kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus |
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| Publication Number | Publication Date |
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| CN206047540U true CN206047540U (en) | 2017-03-29 |
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| CN201621076210.XU Active CN206047540U (en) | 2016-09-23 | 2016-09-23 | A kind of Oil/gas Well experimental wwll cylinder system cement sheath stripper apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582451A (en) * | 2018-07-12 | 2018-09-28 | 安徽佳力奇碳纤维科技股份公司 | A kind of the demoulding component and release method of beam |
-
2016
- 2016-09-23 CN CN201621076210.XU patent/CN206047540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582451A (en) * | 2018-07-12 | 2018-09-28 | 安徽佳力奇碳纤维科技股份公司 | A kind of the demoulding component and release method of beam |
| CN108582451B (en) * | 2018-07-12 | 2023-11-10 | 安徽佳力奇碳纤维科技股份公司 | Demoulding assembly and demoulding method for beam |
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