CN104655413B - External casing packer experimental rig - Google Patents
External casing packer experimental rig Download PDFInfo
- Publication number
- CN104655413B CN104655413B CN201510047136.2A CN201510047136A CN104655413B CN 104655413 B CN104655413 B CN 104655413B CN 201510047136 A CN201510047136 A CN 201510047136A CN 104655413 B CN104655413 B CN 104655413B
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- China
- Prior art keywords
- experiment
- outer tube
- external casing
- fastening plug
- plug
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Abstract
The present invention provides a kind of external casing packer experimental rig, including experiment outer tube, and the experiment outer tube is hollow column jacket, and experiment outer tube both ends are fixedly connected to form closed chamber with fastening plug I, fastening plug II respectively by screw thread；Testpieces external casing packer is provided with experiment outer tube bore, external casing packer lower end is tightly connected connection by plug and forms a confined space；Experiment connecting tube is sealedly connected with equipped with the pump joint being connected with hydraulic test pump, logical wear of fastening plug I endoporus on fastening plug II, described experiment connecting tube one end is placed in experiment outer tube, and the other end is placed in the outer end of fastening plug I；The experiment connecting tube top for being placed in fastening plug I outer end is connected with joint by connector, and needle-valve is provided with joint；Can effectively it separate, it is ensured that construction is normally carried out, and can efficiently accomplish the simulated test before external casing packer field application, simple to operate, highly reliable, can guarantee that the outer device of the sleeve pipe after experiment reaches application target in applying at the scene.
Description
Technical field
The present invention relates to the solid completion tool technical field of petroleum gas, more particularly to a kind of external casing packer experiment dress
Put.
Background technology
Well cementing operation is carried out using external casing packer, the purpose is to effectively separate payzone, is easy to subsequently exploit.
The packing element of external casing packer expanded under pressure influence it is gap-free sealed with the borehole wall, reach payzone separate purpose.Separate
After the completion of, the two sections of wellbore pressures separated should meet completion pressure testing requirement.Must before external casing packer carries out field application
Indoor expansion test must be carried out, external casing packer experimental rig can effectively simulate site operation operating mode, examine packing element expansion
Afterwards, influence of the annular pressure to overpressure, and annular pressure（Separate pressure）Design load can be reached, it is ensured that outside sleeve pipe
Packer pass the test.
The content of the invention
The problem of in order to overcome prior art operation difficulty, can not effectively separate, the invention provides a kind of sleeve pipe covering
Every device experimental rig, can effectively it separate, it is ensured that construction is normally carried out, and can efficiently accomplish the mould before external casing packer field application
Intend experiment, it is simple to operate, it is highly reliable, it can guarantee that the outer device of the sleeve pipe after experiment reaches application target in applying at the scene.
Technical scheme：
External casing packer experimental rig, including experiment outer tube, the experiment outer tube is hollow column jacket, experiment outer tube both ends
Closed chamber is fixedly connected to form with fastening plug I, fastening plug II by screw thread respectively；
Testpieces external casing packer is provided with experiment outer tube bore, external casing packer lower end is sealed by plug to be connected
Connect to form a confined space；
The pump joint being connected with hydraulic test pump, pump joint and experiment outer tube are respectively arranged with fastening plug I and fastening plug II
Inner chamber connects；Logical wear of fastening plug I endoporus is sealedly connected with experiment connecting tube, and experiment connecting tube is fixedly connected with fastening plug I,
Described experiment connecting tube one end is placed in experiment outer tube, and the other end is placed in the outer end of fastening plug I；
The experiment connecting tube top for being placed in fastening plug I outer end is connected with joint by connector, is set on the connector
There is pressure gauge；The experiment connecting tube being placed in experiment outer tube is connected with external casing packer.
The experiment outer tube outer radius is provided with spacing back-up ring, and spacing back-up ring is in the inner side of fastening plug I, tests connecting tube
It is fixedly connected with fastening plug I outer face by location nut.
The pressure gauge is arranged with pressure gauge base, and pressure gauge base is connected by pressure gauge extension bar with connector.
Needle-valve is provided with the joint.
The experiment connecting tube is tightly connected by sealing ring and fastening plug I.
It is tightly connected between the fastening plug II and experiment outer tube by the second sealing ring.
The experiment connecting tube being placed in experiment outer tube is connected with external casing packer by inner thread sleeve.
Beneficial effects of the present invention：A kind of external casing packer experimental rig is provided, can effectively be separated, it is ensured that construction
It is normally carried out, the simulated test before external casing packer field application can be efficiently accomplished, it is simple to operate, it is highly reliable, it can guarantee that
The outer device of sleeve pipe after experiment reaches application target in applying at the scene.
The present invention is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is external casing packer experimental rig structural representation.
Fig. 2 is structural representation at A.
In figure mark for：1st, joint 2, needle-valve 3, pressure gauge base 4, pressure gauge 5, pressure gauge extension bar 6, connector 7,
Test connecting tube 8, location nut 9, the first sealing ring 10, spacing back-up ring 11, pump joint 12, the second sealing ring 13, tight
Gu plug I 14, experiment outer tube 15, external casing packer 16, plug 17, fastening plug II；18th, inner thread sleeve.
Embodiment
Embodiment 1：
The problem of in order to overcome prior art operation difficulty, can not effectively separate, the invention provides one kind as shown in Figure 1, Figure 2
Shown external casing packer experimental rig, can effectively separate, it is ensured that construction is normally carried out, and can efficiently accomplish external casing packer
Simulated test before field application, it is simple to operate, it is highly reliable, it can guarantee that the outer device of the sleeve pipe after experiment reaches in applying at the scene
Application target.
External casing packer experimental rig, including experiment outer tube 14, the experiment outer tube 14 is hollow column jacket, tests outer tube
14 both ends are fixedly connected to form closed chamber with fastening plug I 13, fastening plug II 17 respectively by screw thread；
Experiment outer tube 14 is provided with testpieces external casing packer 15 in inner chamber, and the lower end of external casing packer 15 passes through plug
16 are tightly connected one confined space of formation；
Be respectively arranged with the pump joint 11 being connected with hydraulic test pump on fastening plug I 13 and fastening plug II 17, pump joint 11 and
Test the connection of the inner chamber of outer tube 14；Logical wear of fastening plug I 13 endoporus is sealedly connected with experiment connecting tube 7, experiment connecting tube 7 and fastening
Plug I 13 is fixedly connected, and described experiment connecting tube 7 one end is placed in experiment outer tube 14, and the other end is placed in the outer of fastening plug I 13
End；
The top of experiment connecting tube 7 for being placed in fastening plug I 13 outer end is connected with joint 1, the connector by connector 6
6 are provided with pressure gauge 4；The experiment connecting tube 7 being placed in experiment outer tube 14 is connected with external casing packer 15.
The experiment both ends car of outer tube 14 has a screw thread, and one end is connected with fastening plug II 17, fasten on plug II 17 equipped with
The pump joint 11 that hydraulic test pump is connected, the other end are connected with fastening plug I 13.Connecting tube 7 is tested to pass through in fastening plug I 13
Hole, keep sealing by the first sealing ring 9 and fastening plug I 13, one end is placed in the outer end of fastening plug I 13, and the other end is placed in
Test in outer tube 14.The top for being placed in outer end portion is linked together by connector 6 and joint 1, needle-valve 2, is passed as pressure
The passage passed.
The present invention injects liquid into experiment outer tube 14 at the trial, by pump joint 11 so that its internal pressure and oil
Well pressure is identical, then by joint 1 to injecting liquid inside external casing packer 15 so that external casing packer 15 is sat
Envelope, required pressure value is adjusted by needle-valve 2, while pressure is detected by pressure gauge 4, so as to reach simulation site operation
Purpose, ensure that construction is normally carried out.
The present invention can effectively separate, it is ensured that construction is normally carried out, before efficiently accomplishing external casing packer field application
Simulated test, it is simple to operate, it is highly reliable, it can guarantee that the outer device of the sleeve pipe after experiment reaches application target in applying at the scene.
Embodiment 2：
On the basis of embodiment 1, pressure gauge 4 described in the present embodiment is arranged on pressure gauge base 3, pressure gauge base 3
It is connected by pressure gauge extension bar 5 with connector 6.
Pressure gauge 4 and pressure gauge base 3, pressure gauge extension bar 5 are installed on joint 6, are easy to observe pressure value.
The experiment connecting tube 7 is tightly connected by sealing ring 9 and fastening plug I 13.The fastening plug II 17 and examination
Test between outer tube 14 and be tightly connected by the second sealing ring 12.
The experiment outer radius of outer tube 7 is provided with spacing back-up ring 10, and spacing back-up ring 10 is in the inner side of fastening plug I 13.
Needle-valve 2 is provided with the joint 1.
Experiment connecting tube 7 is fixedly connected with the fastening outer face of plug I 13 by location nut 8, and location nut 8 passes through screw thread
It is fastened with experiment connecting tube 7 outer end, and is close to fastening plug I 13 outer face, plays positioning action.
The experiment connecting tube 7 being placed in experiment outer tube 14 is connected by a box cupling with external casing packer 15, tests outer tube 7
Outer radius is equipped with spacing back-up ring 10, and in the inner side of fastening plug I 13, play occurs when preventing external casing packer 15 from expanding.Set
The lower end of external packer of pipe 15 is connected with plug 16 forms a confined space.
The experiment connecting tube 7 being placed in experiment outer tube 14 is connected with external casing packer 15 by inner thread sleeve 18.
When experiment is carried out, hydraulic test pump is connected with joint 1 to be suppressed, and after the expansion of external casing packer 15 is set, is closed
Needle-valve 2, the upper and lower chamber for testing outer tube 14 is beaten by fastening plug I 13, fastening the pump joint 11 on plug II 17 respectively
Pressure.
Pump is connect by joint 1 to be suppressed, the packing element for making external casing packer 15 by valve system expands, with testing outer tube 14
Inwall is close to, and by the effect of control valve system, external casing packer 15, which is realized, forever to be set, while the annular space that will test outer tube 14
It is divided into two sections, bulge test is carried out respectively to the two sections for testing outer tube 14, surveyed required for whether its pressure reaches
It is required that.So as to efficiently accomplish the simulated test before external casing packer field application, its is simple to operate, highly reliable.
The part and the well-known components and common structure of the structure category industry or conventional hand that the present embodiment does not describe in detail
Section, is not described one by one here.
Claims (1)
1. external casing packer experimental rig, it is characterised in that：Including testing outer tube（14）, the experiment outer tube（14）To be hollow
Tubing string, test outer tube（14）Both ends are by screw thread respectively with fastening plug I（13）, fastening plug II（17）It is fixedly connected to form close
Closed chamber；Test outer tube（14）Testpieces external casing packer is provided with inner chamber（15）, external casing packer（15）Lower end passes through
Plug（16）It is tightly connected and forms a confined space；
Fasten plug I（13）With fastening plug II（17）On be respectively arranged with the pump joint being connected with hydraulic test pump（11）, pump joint
（11）With testing outer tube（14）Inner chamber connects；Fasten plug I（13）Logical wear of endoporus is sealedly connected with experiment connecting tube（7）, experiment
Connecting tube（7）With fastening plug I（13）It is fixedly connected, the experiment connecting tube（7）One end is placed in experiment outer tube（14）It is interior, it is another
End is placed in fastening plug I（13）Outer end；
It is placed in fastening plug I（13）The experiment connecting tube of outer end（7）Top passes through connector（6）It is connected with joint（1）, the company
Joint（6）It is provided with pressure gauge（4）；It is placed in experiment outer tube（14）Interior experiment connecting tube（7）With external casing packer（15）Phase
Even；The experiment outer tube（14）Outer radius is provided with spacing back-up ring（10）, spacing back-up ring（10）In fastening plug I（13）It is interior
Side, test connecting tube（7）With fastening plug I（13）Outer face passes through location nut（8）It is fixedly connected；The pressure gauge（4）Under
It is provided with pressure gauge base（3）, pressure gauge base（3）Pass through pressure gauge extension bar（5）With connector（6）Connection；The joint（1）On set
It is equipped with needle-valve（2）；The experiment connecting tube（7）Pass through sealing ring（9）With fastening plug I（13）It is tightly connected；The fastening silk
Stifled II（17）With testing outer tube（14）Between pass through the second sealing ring（12）It is tightly connected；It is placed in experiment outer tube（14）Interior experiment connects
Adapter（7）With external casing packer（15）Pass through inner thread sleeve（18）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510047136.2A CN104655413B (en) | 2015-01-30 | 2015-01-30 | External casing packer experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510047136.2A CN104655413B (en) | 2015-01-30 | 2015-01-30 | External casing packer experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104655413A CN104655413A (en) | 2015-05-27 |
| CN104655413B true CN104655413B (en) | 2017-12-12 |
Family
ID=53246803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510047136.2A Expired - Fee Related CN104655413B (en) | 2015-01-30 | 2015-01-30 | External casing packer experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104655413B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157963B (en) * | 2015-07-03 | 2017-10-20 | 北京建筑大学 | A kind of sealed autoclave tested Self-expandable packer |
| CN107489394B (en) * | 2017-08-15 | 2020-09-08 | 中国石油天然气股份有限公司 | Open hole packer three-ellipse experimental device and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7124824B2 (en) * | 2000-12-05 | 2006-10-24 | Bj Services Company, U.S.A. | Washpipeless isolation strings and methods for isolation |
| CN200996881Y (en) * | 2006-09-08 | 2007-12-26 | 闫雄珂 | Pressure transmitter of pointer pressure impedant |
| CN201943651U (en) * | 2010-12-21 | 2011-08-24 | 中国石油天然气集团公司 | Testing device for mechanical parameters of underground compression packer |
| CN202153181U (en) * | 2011-07-08 | 2012-02-29 | 中国石油天然气股份有限公司 | Packer test device |
| CN102564702B (en) * | 2012-01-18 | 2014-08-06 | 中国海洋石油总公司 | Device and system for testing packer in formation tester |
| CN203594402U (en) * | 2013-11-29 | 2014-05-14 | 中国石油集团渤海钻探工程有限公司 | Oil tube plugging device |
| CN204422184U (en) * | 2015-01-30 | 2015-06-24 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | External casing packer test unit |
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2015
- 2015-01-30 CN CN201510047136.2A patent/CN104655413B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104655413A (en) | 2015-05-27 |
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