CN208255228U - A kind of core holding unit of included back pressure function - Google Patents

A kind of core holding unit of included back pressure function Download PDF

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Publication number
CN208255228U
CN208255228U CN201820765393.9U CN201820765393U CN208255228U CN 208255228 U CN208255228 U CN 208255228U CN 201820765393 U CN201820765393 U CN 201820765393U CN 208255228 U CN208255228 U CN 208255228U
Authority
CN
China
Prior art keywords
rock core
plug
back pressure
valve body
clamp assemblies
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
Application number
CN201820765393.9U
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Chinese (zh)
Inventor
鞠浩天
李海洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daqing Dongyou Ruijia Petroleum Technology Co Ltd
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Daqing Dongyou Ruijia Petroleum Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Daqing Dongyou Ruijia Petroleum Technology Co Ltd filed Critical Daqing Dongyou Ruijia Petroleum Technology Co Ltd
Priority to CN201820765393.9U priority Critical patent/CN208255228U/en
Application granted granted Critical
Publication of CN208255228U publication Critical patent/CN208255228U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of core holding unit of included back pressure function, is related to oil exploitation experimental field.Utility model device includes rock core clamp assemblies and back pressure component, rock core clamp assemblies play the role of clamping rock core, provide ring pressure, simulation displacement, back pressure component is connected by middle part connection end cap with rock core clamp assemblies, outlet pressures are provided for simulation displacement test, the utility model apparatus structure is simple, replacement easy to disassemble is used for multiple times, rock core clamp assemblies are connected with back pressure component in clamper inner tight, relatively traditional mode separately connected, utility model device experimental precision is higher, experimental data is more accurate, and saving manpower easy to operate.

Description

A kind of core holding unit of included back pressure function
Technical field
The utility model relates to oil exploitation experimental fields, and in particular to a kind of core holding unit of included back pressure function.
Background technique
Exploitation experiment is the basis of oil-gas field development, can not only be calculated for the reserves of oil-gas reservoir, development plan establishment, oil The work such as hiding numerical simulation provide basic oil deposit parameter, additionally it is possible to solve the problems, such as many providers encountered in oil reservoir development Method guarantees.Core holding unit is one of widest infrastructure component of purposes in exploitation experiment, and nearly all exploitation experiment will be used To core holding unit, and back-pressure valve is the core component in physical analogy displacement test, and displacement system is controlled by back-pressure valve Outlet pressures, conventional experimental method is to connect a back pressure manually by pipeline in the outlet end of core holding unit at present Valve be easy to cause sealing tightly leakage, situations such as pipeline is too long manually when connection, result in that precision is low, experimental data is inaccurate, And cumbersome waste of manpower.
In view of the above-mentioned problems, the core holding unit for designing a kind of included back pressure function is very necessary.
Summary of the invention
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of core holding units of included back pressure function, originally New device structures are simple, replacement easy to disassemble is used for multiple times, and rock core clamp assemblies and back pressure component are in clamper inner tight The mode that connection, relatively tradition separately connect, utility model device experimental precision is higher, experimental data is more accurate, and Saving manpower easy to operate.
The utility model embodiment provides a kind of core holding unit of included back pressure function, which is characterized in that including rock core Clamp assemblies and back pressure component, rock core clamp assemblies play the role of clamping rock core, provide ring pressure, simulation displacement, back pressure component It is connected by middle part connection end cap with rock core clamp assemblies, provides outlet pressures for simulation displacement test.
Wherein the rock core clamp assemblies include inlet cap, clamper shell, stop plug, glue bucket, rock core pad, displacement It holds plug, jointing, adjust plug, sealing ring, production end plug, pressure source connector, middle part connection end cap, the clamper Shell both ends are threadedly coupled with inlet cap, middle part connection end cap, and clamper inner walls are equipped with glue bucket, and glue bucket inner wall is equipped with rock Heart pad, glue bucket, rock core pad both ends are equipped with stop plug, and clamper shell is equipped with pressure source connector, pressure source connector and glue bucket Outer wall connection, displacement end plug, inlet cap, adjusting plug, rock core, production end plug, middle part connection end cap are sequentially connected shape At access, adjusts plug outer wall and be equipped with sealing ring, displacement end plug, production end plug are equipped with jointing.
Wherein the back pressure component includes upper valve body, lower valve body, pressure source connector, pressurizing chamber, metallic channel diaphragm, elastic membrane Piece, water conservancy diversion pipeline, inlet, liquid outlet, outlet end cap, clamper shell, clamper enclosure interior are equipped with upper valve body, lower valve Body, upper valve body are fixed together with lower valve body, form drain tank after the two is fixed, metallic channel diaphragm, flexible sheet are located at drainage In slot, metallic channel diaphragm is upper, and for flexible sheet under, metallic channel diaphragm top is pressurizing chamber, is connected with pressure source connector, adopts Outlet plug, jointing, water conservancy diversion pipeline, inlet, drain tank, liquid outlet, outlet end cap are in turn connected to form access.
A kind of core holding unit beneficial effect of included back pressure function of the utility model embodiment is: the utility model dress Set structure it is simple, it is easy to disassemble replacement be used for multiple times, rock core clamp assemblies are connected with back pressure component in clamper inner tight, phase To the mode that tradition separately connects, utility model device experimental precision is higher, experimental data is more accurate and easy to operate Save manpower.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, for those skilled in the art, can also be obtained according to these attached drawings without creative efforts Other attached drawings.
Fig. 1 is utility model schematic device.
Fig. 2 is back pressure component sectional view.
Drawing reference numeral: 1, inlet cap 2, clamper shell 3, stop plug 4, glue bucket 5, rock core pad 6, displacement end plug 7, Jointing 8 adjusts plug 9, sealing ring 10, production end plug 11, pressure source connector 12, middle part connection end cap 13, upper valve body 14, lower valve body 15, pressurizing chamber 16, metallic channel diaphragm 17, flexible sheet 18, water conservancy diversion pipeline 19, inlet 20, liquid outlet 21, go out Mouth end cap 22, rock core 23, bolt hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, utility model device includes rock core clamp assemblies and back pressure component.
Wherein the rock core clamp assemblies include inlet cap 1, clamper shell 2, stop plug 3, glue bucket 4, rock core pad 5, displacement end plug 6, jointing 7, adjusting plug 8, sealing ring 9, production end plug 10, pressure source connector 11, middle part connection End cap 12,2 both ends of clamper shell are threadedly coupled with inlet cap 1, middle part connection end cap 12,2 inner wall of clamper shell Equipped with glue bucket 4,4 inner wall of glue bucket is equipped with rock core pad 5, and glue bucket 4, rock core pad 5 both ends and are equipped with stop plug 3, set on clamper shell 2 There is pressure source connector 11, pressure source connector 11 is connect with 4 outer wall of glue bucket, and displacement end plug 6, adjusts plug 8, rock at inlet cap 1 The heart 22, production end plug 10, middle part connection end cap 12 are in turn connected to form access, adjust 8 outer wall of plug and are equipped with sealing ring 9, drive Jointing 7 is equipped with for end plug 6, production end plug 10;
Wherein the back pressure component includes upper valve body 13, lower valve body 14, pressure source connector 11, pressurizing chamber 15, metallic channel film Piece 16, flexible sheet 17, water conservancy diversion pipeline 18, inlet 19, liquid outlet 20, outlet end cap 21, clamper shell 2, clamper shell Upper valve body 13, lower valve body 14 are equipped with inside body 2, upper valve body 13 is fixed with lower valve body 14 by 23 bolt of bolt hole, upper valve body 13, Lower valve body 14 is that curl is trapezoidal, is agreed with clamper shell 2, and drain tank, metallic channel diaphragm 16, elasticity are formed after the two is fixed Diaphragm 17 is located in drain tank, and metallic channel diaphragm 16 is upper, and for flexible sheet 17 under, 16 top of metallic channel diaphragm is pressurizing chamber 15, it is connected with pressure source connector 11, production end plug 10, water conservancy diversion pipeline 18, inlet 19, drain tank, goes out jointing 7 Liquid mouth 20, outlet end cap 21 are in turn connected to form access.
The utility model embodiment workflow is introduced as follows below based on above-mentioned attached drawing, the utility model is implemented Example workflow is divided into following steps:
Step 1: rock core 22 is placed in inside rock core clamp assemblies, is put into and is adjusted plug 8, is put into displacement end plug 6, makes Rock core 22 is fixed.
Step 2: ring pressure is provided to glue bucket 4, rock core pad 5 by the pressure source connector 11 in rock core clamp assemblies, by returning The pressure source connector 11 in component is pressed to provide back pressure to pressurizing chamber 15.
Step 3: the jointing 7 being set on displacement end plug 6 is connected with injection manifold, will be set to outlet Jointing 7 on end cap 21 is connected with manifold is collected, and starts displacement simulation experiment.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects Step is described in detail, it should be understood that being not used to limit this foregoing is merely specific embodiment of the utility model The protection scope of utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement Into etc., it should be included within the scope of protection of this utility model.

Claims (1)

1. a kind of core holding unit of included back pressure function, which is characterized in that including rock core clamp assemblies and back pressure component;
Wherein the rock core clamp assemblies include that inlet cap, clamper shell, stop plug, glue bucket, rock core pad, displacement end are stifled Head, adjusts plug, sealing ring, production end plug, pressure source connector, middle part connection end cap, the clamper shell at jointing Both ends are threadedly coupled with inlet cap, middle part connection end cap, and clamper inner walls are equipped with glue bucket, and glue bucket inner wall is equipped with rock core Pad, glue bucket, rock core pad both ends are equipped with stop plug, and clamper shell is equipped with pressure source connector, outside pressure source connector and glue bucket Wall connection, displacement end plug, inlet cap, adjusting plug, rock core, production end plug, middle part connection end cap are in turn connected to form Access adjusts plug outer wall and is equipped with sealing ring, and displacement end plug, production end plug are equipped with jointing;
Wherein the back pressure component include upper valve body, lower valve body, pressure source connector, pressurizing chamber, metallic channel diaphragm, flexible sheet, Water conservancy diversion pipeline, inlet, liquid outlet, outlet end cap, clamper shell, clamper enclosure interior are equipped with upper valve body, lower valve body, on Valve body is fixed together with lower valve body, forms drain tank after the two is fixed, and metallic channel diaphragm, flexible sheet are located in drain tank, Metallic channel diaphragm is upper, and for flexible sheet under, metallic channel diaphragm top is pressurizing chamber, is connected with pressure source connector, production end Plug, jointing, water conservancy diversion pipeline, inlet, drain tank, liquid outlet, outlet end cap are in turn connected to form access.
CN201820765393.9U 2018-05-23 2018-05-23 A kind of core holding unit of included back pressure function Expired - Fee Related CN208255228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820765393.9U CN208255228U (en) 2018-05-23 2018-05-23 A kind of core holding unit of included back pressure function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820765393.9U CN208255228U (en) 2018-05-23 2018-05-23 A kind of core holding unit of included back pressure function

Publications (1)

Publication Number Publication Date
CN208255228U true CN208255228U (en) 2018-12-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113504351A (en) * 2021-05-20 2021-10-15 中国石油大学(北京) Compact core displacement experimental device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113504351A (en) * 2021-05-20 2021-10-15 中国石油大学(北京) Compact core displacement experimental device

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181218

Termination date: 20210523