CN105973578B - High temperature and pressure test device and operating method - Google Patents
High temperature and pressure test device and operating method Download PDFInfo
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- CN105973578B CN105973578B CN201610291945.2A CN201610291945A CN105973578B CN 105973578 B CN105973578 B CN 105973578B CN 201610291945 A CN201610291945 A CN 201610291945A CN 105973578 B CN105973578 B CN 105973578B
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- pressure
- high temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides high temperature and pressure test device and operating method, belong to the testing equipment field of completion components, including high temperature experimental subassembly and high-potting component, high temperature experimental subassembly is connect for cavity body and by first interface with external high temperature pipe, and high-potting component is located in the cavity of high temperature experimental subassembly and upper end is connect by second interface with external high pressure line;High-potting component is cavity body and is fixedly provided with setting ball seat, and setting ball seat matches setting with setting ball to be tested;The inner ring of setting ball seat is detachably installed with pressure testing seat, and pressure testing seat is equipped with location hole, and the outer diameter that the diameter of location hole starts spool with pressure break to be tested is identical.The achievable pressure break of the present invention starts high temperature, the high-potting of spool and setting ball, and commonality is good, and temperature, pressure can simulate underground situation and setting is adjusted, and ensures to provide a reliable experiment reference value, it is ensured that the Stability and dependability of tool.
Description
Technical field
The invention belongs to completion equipment fields, are related to the experimental rig and operating method of completion tool core component, especially
It is related to high temperature and pressure test device and operating method.
Background technology
Staged fracturing tool has many series of products both at home and abroad at present, but opposite complex process, period length, price are high,
Although bore hole staged fracturing pitching sliding sleeve principle is similar, easy to operate, cannot meet the construction of oil gas well cementing operation staged fracturing will
It asks, as a kind of novel staged fracturing tool, special by some structures sets oil gas well cementing operation staged fracturing pitching sliding sleeve
Meter and the processing of anti-cement cementation can meet staged fracturing under cementing conditions and construct, and reservoir is effectively transformed, can accurately be controlled
Pressure break point, tool are simple to operation, bore except full-bore can be achieved after ball seat, facilitate later stage operation.
Unconventionaloil pool well, such as fine and close oil/gas well exploration and development technical difficulty is big, is required for volume fracturing that could realize greatly
Purpose is exploited, therefore heatproof, the pressure-resistant performance to completion tool propose very high requirement, setting ball and rupture disk spool etc. zero
Part must be tested as the core component in oil gas well cementing operation staged fracturing technology, practical bearing capacity and temperature resistant capability,
It just can determine that the reliability of tool, conventional chambers experiment can only accomplish the high-potting under room temperature, fail really to simulate underground temperature
Degree is tested with pressure, it is impossible to be met high temperature, high pressure requirement, and be there is no special experimental rig to setting ball and explosive valve
The completion tools such as core carry out high temperature and pressure test.
Invention content
In view of this, the present invention is directed to propose one kind can Accurate Determining completion part high temperature high voltage resistant performance parameter and altogether
With the good experimental rig of property.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way:High temperature and pressure test device, including high temperature
Test assembly and high-potting component, the high temperature experimental subassembly is cavity body and passes through first interface and the high temperature pipe of outside
Connection, the high-potting component is located in the cavity of the high temperature experimental subassembly and upper end passes through second interface and external height
Pressure pipeline connects;
The high-potting component is cavity body and is fixedly provided with setting ball seat, and the setting ball seat is set with to be tested
Ball matching setting;
The inner ring of the setting ball seat is detachably installed with pressure testing seat, and the pressure testing seat is equipped with location hole, the positioning
The outer diameter that the diameter in hole starts spool with pressure break to be tested is identical.
Further, the high temperature experimental subassembly includes the pressure cap, test cylinder and the pedestal that set gradually from top to bottom, described
Pressure cap is fixed on the upper surface of the test cylinder by holding screw, and the pressure cap is equipped with and keeps away a hole, the ruler for keeping away a hole
The very little overall dimensions less than the high-potting component, the test cylinder and the pedestal by the first sealing ring sealed set and
It is fixed by holding screw.
Further, the lower end of the pedestal is equipped with the first drawing head.
Further, the first interface is located at the upper end of the test cylinder.
Further, the high-potting component include set gradually and be connected through a screw thread from top to bottom top connection,
Middle ontology and lower contact, the top connection are fixed with the middle ontology by holding screw, the middle ontology and the lower contact
It is fixed by holding screw, the lower end of the top connection, by the second sealing ring sealed set, connects with the middle ontology under described
By third sealing ring sealed set, the internal diameter of the top connection and the lower contact is respectively less than upper end and the middle ontology of head
The internal diameter of the middle ontology, the setting ball seat outer ring contact setting with the inner ring of the middle ontology, the setting ball seat it is upper
End face contacts setting with the lower face of the top connection, and the lower face of the setting ball seat is contacted with the upper surface of the lower contact
Setting.
Further, the upper and lower ends of the setting ball seat pass through the 4th sealing ring and the middle ontology sealed set.
Further, the upper end of the top connection is equipped with the second drawing head.
Further, the pressure testing seat is fitted close with the setting ball seat, and the pressure testing seat outer ring is parallel by two
5th sealing ring of setting and the setting ball seat sealed set.
Further, the second interface is located at the upper end of the high-potting component.
The method of high temperature and pressure test device described in operating rights 1, it is characterised in that:
The first step is installed in part to be tested to high-potting component, when testing setting ball, is taken out pressure testing seat, will be tested
Setting ball is fixed on setting ball seat, when experiment pressure break starts spool, pressure break to be tested is started spool and is mounted on pressure testing seat
In mounting hole;
Second step is installed in high-potting component to the cavity of high temperature experimental subassembly, and is fixed;
Third walks, and connects high temperature pipe by first interface, then filling heat-conductive oil divides in the temperature of setting 30
Clock, the temperature of setting are adjusted according to the difference of part to be tested;
4th step connects high pressure line by second interface, carries out pressure of spraining, when testing setting ball, sprains and be pressed onto the pressure of setting
Force value observes pressure resistance situation, when experiment pressure break starts spool, until pressure of spraining starts pressure break startup spool to be tested, reads pressure resistance
Limiting value.
Compared with prior art, the invention has the advantages and positive effects that:1st, present invention setting high temperature experimental subassembly
With high-potting component, and the two passes through the external high temperature pipe and high pressure line of interface connection, realization temperature and pressure respectively
Adjusting, simulate the actual working pressure and temperature of underground, closer to actual working state under parameter value, obtain more accurate sit
Blocking seat and pressure break start the practical high-temperature-resistant high-pressure-resistant performance parameter of spool, facilitate the improvement and development of follow-up work;And
High-potting component is located at the inside of high temperature experimental subassembly, and relatively independent experimental rig saves the time, primary fixed completion two
Secondary experiment, it is more efficient;Sit back and wait that ball seat and pressure testing seat to be detachably fixed connection, improve the commonality of device, reduce cost;
2nd, high temperature experimental subassembly is divided into pressure cap, test cylinder and pedestal, easy assembly and disassembly, and is sealed by sealing ring, protects
The leakproofness of hot room is demonstrate,proved;The 3rd, drawing head is set, increase the bite of auxiliary, promotes the convenience of dismounting;4th, second interface
In the upper surface for being located at the high-potting component, help to be vented;5th, increase between the two pieces coordinated in high-potting component
It encrypts seal and realizes sealing, the accuracy of leakproofness and pressure is ensure that, in order to provide more accurate test bit;6th, setting behaviour
Make step, it is easier for installation and quick, promote working efficiency.
Description of the drawings
The attached drawing for forming the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is high temperature and pressure test device of the present invention and the structure diagram of operating method.
Reference sign:
1- top connections;101- second interfaces;The second drawing heads of 102-;3- pressure caps;31- keeps away a hole;The 6th sealing rings of 4-;5-
Test cylinder;51- first interfaces;The second sealing rings of 7-;Ontology in 8-;9- setting ball seats;The 4th sealing rings of 10-;11- the 5th is sealed
Circle;12- pressure testing seats;121- location holes;13- pressure breaks to be tested start spool;14- third sealing rings;16- lower contacts;17- first
Sealing ring;19 pedestals;The first drawing heads of 191-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected;It can
To be mechanical connection or be electrically connected;It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
It elaborates below in conjunction with the accompanying drawings to specific embodiments of the present invention.
As shown in Figure 1, the present invention is high temperature and pressure test device, it is high including high temperature experimental subassembly and high-potting component
Warm test assembly is connect for cavity body and by first interface 51 with external high temperature pipe, and high-potting component is located at high temperature examination
It tests in the cavity of component and upper end is connect by second interface 101 with external high pressure line;
High-potting component is cavity body and is fixedly provided with setting ball seat 9, and setting ball seat 9 is matched with setting ball to be tested
Setting;
The inner ring of setting ball seat 9 is detachably installed with pressure testing seat 12, and pressure testing seat 12 is equipped with location hole 121, location hole 121
Diameter and pressure break to be tested start spool 13 outer diameter it is identical.
Preferably, high temperature experimental subassembly includes the pressure cap 3, test cylinder 5 and the pedestal 19 that set gradually from top to bottom, pressure cap 3
The upper surface of test cylinder 5 is fixed on by holding screw, pressure cap 3 is equipped with and keeps away a hole 31, and the size for keeping away a hole 31 is less than high pressure
The overall dimensions of test assembly, test cylinder 5 are fixed by 17 sealed set of the first sealing ring and with pedestal 19 by holding screw;
It is highly preferred that the quantity of the second sealing ring 17 is two and is arranged in parallel, lift-off seal performance;It is highly preferred that test cylinder 5 is interior
Diameter is unanimous between the higher and lower levels, ensures the uniform of temperature, promotes the accuracy of experimental data.
Preferably, the lower end of pedestal 19 is equipped with the first drawing head 191.
Preferably, first interface 51 is located at the upper end of test cylinder 5.
Preferably, high-potting component includes the top connection 1 for setting gradually and being connected through a screw thread from top to bottom, middle ontology
8 and lower contact 16, top connection 1 fixed with middle ontology 8 by holding screw, middle ontology 8 is consolidated with lower contact 16 by holding screw
Fixed, with middle ontology 8 by 7 sealed set of the second sealing ring, the upper end of lower contact 16 passes through with middle ontology 8 for the lower end of top connection 1
The internal diameter of ontology 8,9 outer ring of setting ball seat during the internal diameter of 14 sealed set of third sealing ring, top connection 1 and lower contact 16 is respectively less than
Setting is contacted with the inner ring of middle ontology 8, the upper surface of setting ball seat 9 contacts setting, setting ball seat 9 with the lower face of top connection 1
Lower face contact setting with the upper surface of lower contact 16;It is highly preferred that the top of 1 outer ring of top connection and the inside of test cylinder are tight
Close fit and the two is sealed by the 6th sealing ring 4;It is highly preferred that the quantity of the 6th sealing ring 4 is flat for two and two
Row setting;It is highly preferred that the lower end of lower contact 16 contacts setting with the upper surface of pedestal 19, facilitate determining for high-potting component
Position.
Preferably, the upper and lower ends of setting ball seat 9 pass through the 4th sealing ring 10 and middle 8 sealed set of ontology.
Preferably, the upper end of top connection 1 is equipped with the second drawing head 102, it is highly preferred that the second drawing head 102, which passes through, keeps away position
Hole 31 is located at the upper end of pressure cap 3.
Preferably, pressure testing seat 12 is fitted close with setting ball seat 9,12 outer ring of pressure testing seat by two be arranged in parallel the 5th
Sealing ring 11 and 9 sealed set of setting ball seat.
Preferably, second interface 101 is located at the upper end of high-potting component.
Operation high temperature and pressure test device method be:
The first step is installed in part to be tested to high-potting component, when testing setting ball, is taken out pressure testing seat 12, will be tried
It tests setting ball to be fixed on setting ball seat 9, when experiment pressure break starts spool, pressure break to be tested is started into spool 13 and is mounted on pressure testing
In the mounting hole of seat 12;
Second step is installed in high-potting component to the cavity of high temperature experimental subassembly, and is fixed;
Third walks, and connects high temperature pipe by first interface 51, then filling heat-conductive oil divides in the temperature of setting 30
Clock, the temperature of setting are adjusted according to the difference of part to be tested;
4th step connects high pressure line by second interface 101, carries out pressure of spraining, when testing setting ball, sprains and be pressed onto setting
Pressure value observes pressure resistance situation, when experiment pressure break starts spool, until pressure of spraining starts pressure break startup spool 13 to be tested, reads
Pressure-resistant limiting value.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be construed as limiting the practical range of the present invention.All all the changes and improvements made according to the present patent application range
Deng, should all still belong to the present invention patent covering scope within.
Claims (9)
1. high temperature and pressure test device, it is characterised in that:Including high temperature experimental subassembly and high-potting component, the high temperature examination
Component is tested as cavity body and is connect by first interface (51) with external high temperature pipe, the high-potting component is located at described
In the cavity of high temperature experimental subassembly and upper end is connect by second interface (101) with external high pressure line;
The high-potting component is cavity body and is fixedly provided with setting ball seat (9), the setting ball seat (9) and seat to be tested
Blocking matching setting;
The inner ring of the setting ball seat (9) is detachably installed with pressure testing seat (12), and the pressure testing seat (12) is equipped with location hole
(121), the diameter of the location hole (121) is identical with the outer diameter of pressure break to be tested startup spool (13);
The high temperature experimental subassembly includes the pressure cap (3), test cylinder (5) and the pedestal (19) that set gradually from top to bottom, the pressure
Cap (3) is fixed on the upper surface of the test cylinder (5) by holding screw, and the pressure cap (3) is equipped with and keeps away a hole (31), described
The size for keeping away a hole (31) is less than the overall dimensions of the high-potting component, and the test cylinder (5) is logical with the pedestal (19)
It crosses the first sealing ring (17) sealed set and is fixed by holding screw.
2. high temperature and pressure test device according to claim 1, it is characterised in that:The lower end of the pedestal (19) is equipped with the
One drawing head (191).
3. high temperature and pressure test device according to claim 1, it is characterised in that:The first interface (51) is located at described
The upper end of test cylinder (5).
4. according to 1 or 3 any one of them high temperature and pressure test device of claim, it is characterised in that:The high-potting group
Part includes the top connection (1), middle ontology (8) and the lower contact (16) that set gradually and be connected through a screw thread from top to bottom, it is described on
Connector (1) is fixed with the middle ontology (8) by holding screw, and the middle ontology (8) passes through tightening with the lower contact (16)
Screw is fixed, and the lower end of the top connection (1) by the second sealing ring (7) sealed set, connects with the middle ontology (8) under described
Upper end and the middle ontology (8) of head (16) by third sealing ring (14) sealed set, the top connection (1) and it is described under connect
The internal diameter of head (16) is respectively less than the internal diameter of the middle ontology (8), and setting ball seat (9) outer ring is interior with the middle ontology (8)
Circle contact setting, the upper surface of the setting ball seat (9) contacts setting, the setting ball with the lower face of the top connection (1)
The lower face of seat (9) contacts setting with the upper surface of the lower contact (16).
5. high temperature and pressure test device according to claim 4, it is characterised in that:Up and down the two of the setting ball seat (9)
End passes through the 4th sealing ring (10) and middle ontology (8) sealed set.
6. high temperature and pressure test device according to claim 4, it is characterised in that:The upper end of the top connection (1) is equipped with
Second drawing head (102).
7. according to any one of them high temperature and pressure test device of claims 1 to 3,5 or 6, it is characterised in that:The pressure testing seat
(12) it is fitted close with the setting ball seat (9), the 5th sealing ring that pressure testing seat (12) outer ring is arranged in parallel by two
(11) with the setting ball seat (9) sealed set.
8. according to any one of them high temperature and pressure test device of claims 1 to 3,5 or 6, it is characterised in that:Described second connects
Mouth (101) is located at the upper end of the high-potting component.
9. the method that operational rights require the 1 high temperature and pressure test device, it is characterised in that:
The first step is installed in part to be tested to high-potting component, when testing setting ball, is taken out pressure testing seat (12), will be tested
Setting ball is fixed on setting ball seat (9), and when experiment pressure break starts spool, pressure break to be tested is started spool (13) mounted on examination
In the mounting hole of wedge (12);
Second step is installed in high-potting component to the cavity of high temperature experimental subassembly, and is fixed;
Third walks, and connects high temperature pipe by first interface (51), then filling heat-conductive oil divides in the temperature of setting 30
Clock, the temperature of setting are adjusted according to the difference of part to be tested;
4th step connects high pressure line by second interface (101), carries out pressure of spraining, when testing setting ball, sprains and be pressed onto the pressure of setting
Force value observes pressure resistance situation, when experiment pressure break starts spool, until pressure of spraining starts pressure break startup spool (13) to be tested, reads
Pressure-resistant limiting value.
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CN105973578B true CN105973578B (en) | 2018-07-03 |
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Families Citing this family (2)
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CN109372486B (en) * | 2018-11-28 | 2024-01-23 | 中国石油集团工程技术研究院有限公司 | Simulation test system and method for toe end sliding sleeve |
CN113252466B (en) * | 2021-05-25 | 2022-11-18 | 中石化石油工程技术服务有限公司 | High-temperature-resistant pressure-bearing test device and method for soluble ball seat |
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Effective date of registration: 20210927 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: No.106 Huanghai Road, Binhai New Economic and Technological Development Zone, Tianjin 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |