CN201526310U - Well cementation casing-cement sheath indoor analog manufacturer - Google Patents
Well cementation casing-cement sheath indoor analog manufacturer Download PDFInfo
- Publication number
- CN201526310U CN201526310U CN2009202544743U CN200920254474U CN201526310U CN 201526310 U CN201526310 U CN 201526310U CN 2009202544743 U CN2009202544743 U CN 2009202544743U CN 200920254474 U CN200920254474 U CN 200920254474U CN 201526310 U CN201526310 U CN 201526310U
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- cement sheath
- casing
- sleeve pipe
- steel pipe
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Abstract
The utility model relates to an analog test device in the oil production industry, in particular to a well cementation casing-cement sheath indoor analog manufacturer, which comprises a die base, a guide column, stock inlets and a steel pipe. The die base is provided with the steel pipe formed by integrally encircling two semi circles, a base is arranged into an interior space of the steel pipe, the base is provided with a lower positioning base, the lower positioning base is sleeved with a casing, a filling space is arranged between the casing and the steel pipe, a circular baffle is supported on the casing, the baffle is uniformly distributed with the stock inlets and exhaust holes, the upper portion of the baffle is connected with a circular supporting plate, first stock inlets are uniformly distributed on the supporting plate, the first stock inlets are communicated with the stock inlets on the baffle, a barrel-shaped upper cover is mounted above the supporting plate, and the guide column is arranged at the rotary center of the supporting plate. The well cementation casing-cement sheath indoor analog manufacturer can be used for manufacturing a well cementation casing-cement sheath in an analog form, and measures and analyzes strain and deformation characteristics of a casing-cement sheath system to analyze breakage process and expansion law of the casing-cement sheath.
Description
Technical field:
The present invention relates to the simulation test device in the oil exploitation industry, a kind of specifically well cementation sleeve pipe-cement sheath lab simulation maker.
Background technology:
In the oil exploitation process, sleeve pipe damages ubiquity, but because the needs of cementing the well in the production of hydrocarbons, sleeve pipe and cement sheath bond together, constituted a sleeve pipe-cement sheath system, can not comprise in the test that the sleeve pipe rupture test of cement sheath must produce than mistake with actual conditions., still there is not simulation laboratory test so far at the sleeve pipe cement sheath of well cementation formation just because of this reason yet.
Oil well casing damages the primary disaster become production of hydrocarbons, rough estimates, the present casing failure well of China surpasses 15000 mouthfuls, casing damaged well relates to assets up to 30,000,000,000 yuan, need scrap or the direct well assets of having to carry out large repairs just above 10,000,000,000 yuan.By to oil recovery factory, Jinzhou, Liaohe Oil Field, the only investigation carried out of 1976 mouthfuls of oil wells of a factory, casing failure well accounts for 26.5% of total well number, only just has 278 mouthfuls of wells that the cover tube damages take place at bright and beautiful 45 blocks.Present stage cover decreases research mainly based on numerical simulation means, but The results of numerical simulation must verify by testing, and aspect corresponding test, then only is to carry out the casing strength test.Existing test still can't be done whole consideration with sleeve pipe and cement sheath.
The utility model content:
The purpose of the present utility model is to provide a kind of well cementation sleeve pipe-cement sheath lab simulation maker, sleeve pipe-cement sheath the system that forms owing in well cementation is made in simulation, and then analyzes casing deformation and crack propagation law by the pre-embedding foil gauge measuring system of sleeve outer wall.
The utility model adopts following technical scheme:
A kind of well cementation sleeve pipe-cement sheath lab simulation maker, comprise mold base, loam cake, lead, slurry-feeding hole, steel pipe, location-plate, the steel pipe that is surrounded one by two semicircles is housed on the described mold base, the base mutually concordant with its baseplane is equipped with in the inner space of this steel pipe, this base is provided with down positioning base, be set with sleeve pipe on this time positioning base, leave packing space between this sleeve pipe and the described steel pipe, this sleeve pipe upper support has circular baffle plate, be evenly equipped with slurry-feeding hole and steam vent on this baffle plate, the external diameter of this baffle plate equates with the external diameter of steel pipe, the top of this baffle plate is connected with circular base plate, is evenly equipped with first slurry-feeding hole on this base plate, and the slurry-feeding hole on this first slurry-feeding hole and the described baffle plate connects, the tubular loam cake is equipped with in the top of this base plate, and the centre of gyration of described base plate is provided with lead.
The utility model compared with prior art can be simulated and make well cementation sleeve pipe-cement sheath, cooperates stratum effect setting of casing-cement sheath to damage laboratory test; And destructive process and the propagation law of analyzing sleeve pipe-cement sheath by the strain and the deformation behaviour of measuring system Measurement and analysis sleeve pipe-cement sheath system; Two semicircles surround the steel pipe of one, be beneficial in the cement paste pouring and the dismounting after solidifying, the setting of lead is beneficial to cement and flows into smoothly in the pouring process, first slurry-feeding hole and slurry-feeding hole connect, cement is flowed into smoothly by two semicircles to surround in the steel pipe of one, the setting of steam vent prevents that cement paste from producing pore class defective in process of setting, and the setting of following positioning base can guarantee that the cement paste filling firmly evenly.
As a kind of optimal way of the present utility model, the steel pipe that described two semicircles surround one connects by clamping steel plate.
As a kind of optimal way of the present utility model, described slurry-feeding hole and the steam vent that is distributed on the circular baffle plate places greater than on the position of overlapping external diameter of pipe.
As a kind of optimal way of the present utility model, the last locating support plate with following positioning base equal diameters is equipped with in the below of described baffle plate.
As a kind of optimal way of the present utility model, described mold base below is connected with fixation steel plate, and this fixation steel plate is provided with preformed hole.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment:
Below in conjunction with accompanying drawing in detail the utility model is described in detail:
A kind of well cementation sleeve pipe-cement sheath lab simulation maker is referring to accompanying drawing 1 and accompanying drawing 2, among the figure: mold base 1, base 2, following positioning base 3, steel pipe 4, clamp steel plate 5, sleeve pipe 6, circular baffle plate 7, slurry-feeding hole 8, steam vent 9, circular base plate 10, first slurry-feeding hole 11, tubular loam cake 12, lead 13, last positioning support 14, fixation steel plate 15, preformed hole 16.
The steel pipe 4 that is surrounded one by two semicircles is housed on the mold base 1, the base 2 mutually concordant with its baseplane is equipped with in the inner space of steel pipe 4, base 2 is provided with down positioning base 3, be set with sleeve pipe 6 on the following positioning base 3, leave packing space between sleeve pipe 6 and the steel pipe 4, sleeve pipe 6 upper supports have circular baffle plate 7, are evenly equipped with slurry-feeding hole 8 and steam vent 9 on the circular baffle plate 7, and the external diameter of circular baffle plate 7 equates with the external diameter of steel pipe 4.
The top of circular baffle plate 7 is connected with circular base plate 10, be evenly equipped with first slurry-feeding hole 11 on the circular base plate 10, slurry-feeding hole 8 on first slurry-feeding hole 11 and the circular baffle plate 7 connects, and tubular loam cake 12 is equipped with in the top of circular base plate 10, and the centre of gyration of circular base plate 10 is provided with lead 13.
As a kind of preferred structure of present embodiment, two semicircles surround the steel pipe 4 of one by clamping steel plate 5 connections.
As a kind of preferred structure of present embodiment, be distributed in slurry-feeding hole 8 on the circular baffle plate 7 and steam vent 9 and place on the position greater than sleeve pipe 6 external diameters.
As a kind of preferred structure of present embodiment, the last positioning support 14 with following positioning base 3 equal diameters is equipped with in the below of circular baffle plate 7.
As a kind of preferred structure of present embodiment, mold base 1 below is connected with fixation steel plate 15, and fixation steel plate 15 is provided with preformed hole 16.
The truncated cone-shaped lead 13 that the centre of gyration of tubular loam cake 12 is provided with is convenient to grouting, uniform first slurry-feeding hole 11 connects with slurry-feeding hole 8 on the circular baffle plate 7 on the circular base plate 10, cement paste is entered in the steel pipe 4 that two half steel pipes surround one smoothly, leave steam vent 9 in the circular baffle plate 7, make the cement paste can vent gas in filling process, thereby it be closely knit to be in the milk; Last positioning support 14 and down positioning base 3 can guarantee that in filling process the cement paste thin and thick is even, full be filled into sleeve pipe 6 around.
Sleeve pipe 6 inside and outside walls of test usefulness are preset embedded strain gauge, form the strain strain measurement system, pour into the fixed form removal afterwards of twenty four hours cement behind the cement paste, standard curing can be used after 28 days again.
Claims (5)
1. well cementation sleeve pipe-cement sheath lab simulation maker, comprise mold base, lead, slurry-feeding hole, steel pipe, it is characterized in that: the steel pipe that is surrounded one by two semicircles is housed on the described mold base, the base mutually concordant with its baseplane is equipped with in the inner space of this steel pipe, this base is provided with down positioning base, be set with sleeve pipe on this time positioning base, leave packing space between this sleeve pipe and the described steel pipe, this sleeve pipe upper support has circular baffle plate, be evenly equipped with slurry-feeding hole and steam vent on this baffle plate, the external diameter of this baffle plate equates with the external diameter of steel pipe, the top of this baffle plate is connected with circular base plate, is evenly equipped with first slurry-feeding hole on this base plate, and the slurry-feeding hole on this first slurry-feeding hole and the described baffle plate connects, the tubular loam cake is equipped with in the top of this base plate, and the centre of gyration of described base plate is provided with lead.
2. according to the described well cementation sleeve pipe of claim 1-cement sheath lab simulation maker, it is characterized in that: the steel pipe that described two semicircles surround one connects by clamping steel plate.
3. according to the described well cementation sleeve pipe of claim 1-cement sheath lab simulation maker, it is characterized in that: described slurry-feeding hole and the steam vent that is distributed on the circular baffle plate places greater than on the position of overlapping external diameter of pipe.
4. well cementation sleeve pipe according to claim 1-cement sheath lab simulation maker is characterized in that: the last positioning support with following positioning base equal diameters is equipped with in the below of described baffle plate.
5. well cementation sleeve pipe according to claim 1-cement sheath lab simulation maker is characterized in that: described mold base below is connected with fixation steel plate, and this fixation steel plate is provided with preformed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202544743U CN201526310U (en) | 2009-11-10 | 2009-11-10 | Well cementation casing-cement sheath indoor analog manufacturer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202544743U CN201526310U (en) | 2009-11-10 | 2009-11-10 | Well cementation casing-cement sheath indoor analog manufacturer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201526310U true CN201526310U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202544743U Expired - Fee Related CN201526310U (en) | 2009-11-10 | 2009-11-10 | Well cementation casing-cement sheath indoor analog manufacturer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201526310U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305045A (en) * | 2011-08-05 | 2012-01-04 | 中联煤层气国家工程研究中心有限责任公司 | Shaft crack simulator |
| CN102979505A (en) * | 2012-12-06 | 2013-03-20 | 中国海洋石油总公司 | Well cementation cement sheath performance simulation experiment device and experiment method |
| CN102996116A (en) * | 2012-12-06 | 2013-03-27 | 长江大学 | Dynamic mud cake circulating device and using method thereof |
| CN103293101A (en) * | 2012-02-24 | 2013-09-11 | 中国石油天然气集团公司 | Downhole annular micro-crack simulation device |
| CN110242277A (en) * | 2019-06-25 | 2019-09-17 | 中国石油天然气股份有限公司 | A kind of well cementation sliding sleeve port starting simulator and analogy method |
-
2009
- 2009-11-10 CN CN2009202544743U patent/CN201526310U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305045A (en) * | 2011-08-05 | 2012-01-04 | 中联煤层气国家工程研究中心有限责任公司 | Shaft crack simulator |
| CN103293101A (en) * | 2012-02-24 | 2013-09-11 | 中国石油天然气集团公司 | Downhole annular micro-crack simulation device |
| CN103293101B (en) * | 2012-02-24 | 2016-01-06 | 中国石油天然气集团公司 | A kind of downhole annular micro-crack simulation device |
| CN102979505A (en) * | 2012-12-06 | 2013-03-20 | 中国海洋石油总公司 | Well cementation cement sheath performance simulation experiment device and experiment method |
| CN102996116A (en) * | 2012-12-06 | 2013-03-27 | 长江大学 | Dynamic mud cake circulating device and using method thereof |
| CN102996116B (en) * | 2012-12-06 | 2015-04-15 | 长江大学 | Dynamic mud cake circulating device and using method thereof |
| CN102979505B (en) * | 2012-12-06 | 2015-04-29 | 中国海洋石油总公司 | Well cementation cement sheath performance simulation experiment device and experiment method |
| CN110242277A (en) * | 2019-06-25 | 2019-09-17 | 中国石油天然气股份有限公司 | A kind of well cementation sliding sleeve port starting simulator and analogy method |
| CN110242277B (en) * | 2019-06-25 | 2023-10-31 | 中国石油天然气股份有限公司 | Well cementation sliding sleeve port starting simulation device and simulation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20101110 |