CN205210082U - High pressure rock core holder - Google Patents
High pressure rock core holder Download PDFInfo
- Publication number
- CN205210082U CN205210082U CN201521031184.4U CN201521031184U CN205210082U CN 205210082 U CN205210082 U CN 205210082U CN 201521031184 U CN201521031184 U CN 201521031184U CN 205210082 U CN205210082 U CN 205210082U
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- China
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- packing element
- cylindrical shell
- plug
- diameter end
- high pressure
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- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a high pressure rock core holder, including left side joint, right side joint, left end cap, barrel, packing element, connecting bolt, place the rock core sample in the packing element, the barrel is put into to the packing element, a left side connects the major diameter end and stretches into the packing element, and left end cap passes through the step and connects the major diameter end with a left side and fix in the barrel, supports tight rock core sample, the right side connects the major diameter end and stretches into the packing element, and right end cap passes through the step and connects the major diameter end with the right side and fix in the barrel, supports tight rock core sample, and left end cap and right end cap pass through connecting bolt and be connected with the barrel and fix. The utility model discloses a connecting bolt and step are fixed, avoid structural from threaded fish tail sealing washer, simple structure, easily dismantlement and structure location simultaneously, through adopt flower bud type circle, increase reduce self to experiment test data's interference, improve the experiment effect, guarantee that the experiment is safe, easily dismantle and the structure location.
Description
Technical field
The utility model is rock electrical measurement field, particularly relates to a kind of high pressure core holding unit.
Background technology
In the petroleum exploration and development stage, in order to simulate in actual formation burial diagenesis process, the consecutive variations situation of reservoir physical parameter under compaction, utilize different made ground matter samples, be a kind of approach to the simulated experiment of sandstone Compaction, wherein core clamping mechanism is requisite parts in experimentation.Existing core holding unit is made up of shell, rubber tube, the left top of rock core, the right top of rock core, left fixed muffle, right fixed muffle, left fastening sleeve, right fastening sleeve and fixed support mostly.When core clamping mechanism works, need high temperature and high pressure, therefore requirement is proposed for its sealing, the core holding unit of present use, be mostly adopt O type circle to seal, O type circle generally can not more than 20Mpa, and easily conquassation after using, experiment next time needs to change, and causes experimental cost height; At placement mounting O-shaped rings with in O type circle sealing surface is stretched into surface of contact, often need to pass through flank of thread outside O type circle, easily scratch is caused to O type circle surface, affect sealing effectiveness, how solving core holding unit sealing and reduce costs, is a problem demanding prompt solution of present core holding unit research.
Utility model content
For the problems referred to above, the utility model designs a kind of high pressure core holding unit.
The technical solution of the utility model is as follows:
A kind of high pressure core holding unit, comprise left joint, right connector, left plug, cylindrical shell, packing element, coupling bolt, rock core sample is placed in described packing element, packing element puts into cylindrical shell, described left joint larger diameter end stretches into packing element, left joint larger diameter end is fixed in cylindrical shell by step by left plug, pushes against rock core sample; Described right connector larger diameter end stretches into packing element, and right connector larger diameter end is fixed in cylindrical shell by step by right plug, pushes against rock core sample, and left plug and right plug are connected and fixed by coupling bolt and cylindrical shell.
Preferably, have the gap of 1-2mm between described cylindrical shell and packing element, at regular intervals between cylindrical shell and left plug, right plug, gap and spacing form a cavity.
Preferably, described cylindrical shell one middle side part is provided with external pressure port, and external pressure port bottom connects external pressure bifurcated pipe, and external pressure bifurcated pipe lower end is divided into three outlets, the two ends of the cavity respectively between connector drum and packing element and centre.
Preferably, described cylindrical shell side is provided with thermometric sheet, and thermometric sheet is 2-5mm to cylindrical shell spacing.
Preferably, be provided with entrance center through hole in the middle part of described left joint, be provided with export center through hole in the middle part of right connector, export center through-hole diameter is less than entrance center through hole.
Preferably, described left plug and right plug smaller diameter end plane are provided with ring groove, and the two ends of packing element are filled in inside two ring grooves in left and right respectively.
Preferably, be provided with seal groove in the middle part of described left plug and right plug smaller diameter end, flower bud type circle is positioned in seal groove, and flower bud type circle lip is inside cylindrical shell.
The utility model has the advantage of:
1. the utility model adopts the sealing of flower bud type circle, and its compressive resistance is higher than O type circle, and improve experiment effect, ensure experiment safety, flower bud type circle is not fragile in test, can repeatedly use;
2. the utility model adopts coupling bolt and step to fix, and avoids from threaded scuffing O-ring seal in structure, and structure is simple simultaneously, is easy to dismounting and structure location.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Shown in figure: 1 is left joint, 2 is left plug, and 3 is cylindrical shell, 4 is right connector, and 5 is right plug, and 501 is seal groove, 6 is packing element, and 7 is rock core sample, and 8 is external pressure port, 9 external pressure bifurcated pipes, 10 is entrance center through hole, and 11 is export center through hole, and 12 is flower bud type circle, 13 is thermometric sheet, and 14 is coupling bolt.
Embodiment
Below in conjunction with Figure of description and embodiment, the utility model is described in detail, but is not limited thereto.
As shown in Figure 1, a kind of high pressure core holding unit, comprises left joint 1, right connector 4, left plug 2, cylindrical shell 3, packing element 6, coupling bolt 14; Described packing element 6 is a kind of vulcanie cylinder, and bending distortion not easily occurs, and place rock core sample 7 in packing element 6, packing element 6 puts into cylindrical shell 3; Described left joint 1 larger diameter end stretches into packing element 6, and left joint 1 larger diameter end is fixed in cylindrical shell 3 by step by left plug 2, pushes against rock core sample 7; Described right connector 4 larger diameter end stretches into packing element 6, right connector 4 larger diameter end is fixed in cylindrical shell 3 by step by right plug 5, push against rock core sample 7, the gap of 1-2mm is had between cylindrical shell 3 and packing element 6, at regular intervals between cylindrical shell 3 and left plug 2, right plug 5, gap and spacing form a cavity; Cylindrical shell 3 one middle side part is provided with external pressure port 8, external pressure port 8 bottom connects external pressure bifurcated pipe 9, and external pressure bifurcated pipe 9 lower end is divided into three outlets, the two ends of the cavity respectively between connector drum 3 and packing element 6 and centre, cylindrical shell side is provided with thermometric sheet, and thermometric sheet is 2-5mm to cylindrical shell spacing; Entrance center through hole 10 is provided with in the middle part of described left joint 1, export center through hole 11 is provided with in the middle part of right connector 4, export center through hole 11 diameter is less than entrance center through hole 10, left plug 2 and right plug 5 smaller diameter end plane are provided with ring groove, and the two ends of packing element 6 are filled in inside two ring grooves in left and right respectively; Be provided with seal groove 501 in the middle part of left plug 2 and right plug 5 smaller diameter end, flower bud type circle 12 is positioned in seal groove 501, and flower bud type circle 12 lip is inside cylindrical shell 3; Left plug 2 and right plug 5 are connected and fixed by coupling bolt 14 and cylindrical shell 3.
In the experiment using core holding unit, first, tubular rock core sample 7 is put into packing element 6, then left joint 1 and right connector 4 fill in packing element 6, push against rock core sample 7; Put into flower bud type circle 12 by the seal groove 501 of left plug 2 and right plug 5, the lip of flower bud type circle 12 is towards the smaller diameter end of left plug 2 and right plug 5; Packing element 6 one end is filled in the ring groove of left plug 2, then put into cylindrical shell 3 together, then put into right plug 5 from the other end, allow packing element 6 other end can fill in the ring groove of right plug 5, the process of putting into needs gently to revolve left plug 2 and right plug 5, allows flower bud type circle 12 that large deformation does not occur; Left joint 1 and right connector 4 are alignd with the bolt hole of cylindrical shell 3 respectively, be fixed on cylindrical shell 3 with coupling bolt 14, connect entrance central through hole 10 to source line, connection outlet central through hole 11, to discharge pipe, connects external pressure port 8 to external pressure pipeline.
Open experimental facilities, source line sends into liquid object, after liquid enters rock core sample 7, its temperature is transmitted out by thermometric sheet 13, simultaneously according to the input pressure of source line, to break or experimental liquid leaks for preventing packing element, external pressure pipeline provides a buffer brake identical with input pressure to be input in cavity, final liquid object exports through discharge pipe, and experiment completes.
The above is only preferred implementation of the present utility model, it should be pointed out that the utility model is not limited to aforesaid way, under the prerequisite not departing from the utility model principle, can also improve further, and these improvement also should be considered as protection domain of the present utility model.
Claims (7)
1. a high pressure core holding unit, comprise left joint, right connector, left plug, right plug, cylindrical shell, packing element, coupling bolt, it is characterized in that, rock core sample is placed in described packing element, packing element puts into cylindrical shell, described left joint larger diameter end stretches into packing element, and left joint larger diameter end is fixed in cylindrical shell by step by left plug, pushes against rock core sample; Described right connector larger diameter end stretches into packing element, and right connector larger diameter end is fixed in cylindrical shell by step by right plug, pushes against rock core sample, and left plug and right plug are connected and fixed by coupling bolt and cylindrical shell.
2. a kind of high pressure core holding unit as claimed in claim 1, is characterized in that there is the gap of 1-2mm between described cylindrical shell and packing element, and at regular intervals between cylindrical shell and left plug, right plug, gap and spacing form a cavity.
3. a kind of high pressure core holding unit as claimed in claim 1, it is characterized in that, described cylindrical shell one middle side part is provided with external pressure port, and external pressure port bottom connects external pressure bifurcated pipe, external pressure bifurcated pipe lower end is divided into three outlets, the two ends of the cavity respectively between connector drum and packing element and centre.
4. a kind of high pressure core holding unit as claimed in claim 1, is characterized in that, described cylindrical shell side is provided with thermometric sheet, and thermometric sheet is 2-5mm to cylindrical shell spacing.
5. a kind of high pressure core holding unit as claimed in claim 1, is characterized in that, be provided with entrance center through hole in the middle part of described left joint, be provided with export center through hole in the middle part of right connector, export center through-hole diameter is less than entrance center through hole.
6. a kind of high pressure core holding unit as claimed in claim 1, is characterized in that, described left plug and right plug smaller diameter end plane are provided with ring groove, and the two ends of packing element are filled in inside two ring grooves in left and right respectively.
7. a kind of high pressure core holding unit as claimed in claim 1, is characterized in that, be provided with seal groove in the middle part of described left plug and right plug smaller diameter end, flower bud type circle is positioned in seal groove, and flower bud type circle lip is inside cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031184.4U CN205210082U (en) | 2015-12-11 | 2015-12-11 | High pressure rock core holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031184.4U CN205210082U (en) | 2015-12-11 | 2015-12-11 | High pressure rock core holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205210082U true CN205210082U (en) | 2016-05-04 |
Family
ID=55847791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521031184.4U Expired - Fee Related CN205210082U (en) | 2015-12-11 | 2015-12-11 | High pressure rock core holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205210082U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842425A (en) * | 2016-05-23 | 2016-08-10 | 青岛中瑞泰软控技术有限公司 | Core holding unit and dynamic filtrate loss test unit |
| CN105954495A (en) * | 2016-06-03 | 2016-09-21 | 中国石油大学(华东) | Stratum core holder |
| CN106093079A (en) * | 2016-08-22 | 2016-11-09 | 江苏联友科研仪器有限公司 | A kind of nonmetal core holding unit of supertension |
| CN107014980A (en) * | 2017-04-13 | 2017-08-04 | 西南石油大学 | A kind of semi-open type core holding unit |
| CN108535164A (en) * | 2018-06-05 | 2018-09-14 | 西南石油大学 | A kind of high efficiency rock core-flowage device |
| CN110631897A (en) * | 2019-09-24 | 2019-12-31 | 成都理工大学 | Multifunctional rock core holder |
-
2015
- 2015-12-11 CN CN201521031184.4U patent/CN205210082U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842425A (en) * | 2016-05-23 | 2016-08-10 | 青岛中瑞泰软控技术有限公司 | Core holding unit and dynamic filtrate loss test unit |
| CN105842425B (en) * | 2016-05-23 | 2017-12-01 | 青岛中瑞泰软控科技股份有限公司 | A kind of core holding unit and dynamic filtration experimental provision |
| CN105954495A (en) * | 2016-06-03 | 2016-09-21 | 中国石油大学(华东) | Stratum core holder |
| CN106093079A (en) * | 2016-08-22 | 2016-11-09 | 江苏联友科研仪器有限公司 | A kind of nonmetal core holding unit of supertension |
| CN106093079B (en) * | 2016-08-22 | 2019-02-12 | 江苏联友科研仪器有限公司 | A kind of nonmetallic core holding unit of super-pressure |
| CN107014980A (en) * | 2017-04-13 | 2017-08-04 | 西南石油大学 | A kind of semi-open type core holding unit |
| CN107014980B (en) * | 2017-04-13 | 2019-09-24 | 西南石油大学 | A kind of semi-open type core holding unit |
| CN108535164A (en) * | 2018-06-05 | 2018-09-14 | 西南石油大学 | A kind of high efficiency rock core-flowage device |
| CN110631897A (en) * | 2019-09-24 | 2019-12-31 | 成都理工大学 | Multifunctional rock core holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |