CN102539078A - Split-type repeatable testing device - Google Patents
Split-type repeatable testing device Download PDFInfo
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- CN102539078A CN102539078A CN2012100380656A CN201210038065A CN102539078A CN 102539078 A CN102539078 A CN 102539078A CN 2012100380656 A CN2012100380656 A CN 2012100380656A CN 201210038065 A CN201210038065 A CN 201210038065A CN 102539078 A CN102539078 A CN 102539078A
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- split type
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- revision test
- setting tool
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Abstract
The invention discloses a split-type repeatable testing device, which comprises two short casings which are mutually abutted together. One ends of the short casings which are abutted together are respectively connected with two flanges. The other ends of the short casings are respectively connected with pressurizing joints. A setting tool is placed in the split-type repeatable testing device. Anchoring slips at the upper end and the lower end of the setting tool are respectively arranged in the two short casings. A sealing rubber cylinder of the setting tool is arranged at a position at which the two short casings are abutted. The split-type repeatable testing device can be repetitively used for indoor tests of sealing performance of setting tools such as bridge plugs and the like and the testing cost is effectively reduced.
Description
Technical field
The present invention is relevant for a kind of laboratory testing rig, but is particularly to a kind of split type revision test device that when shop experiment, is used to detect oil-gas mining fracturing tool sealing property.
Background technology
At present; The special layers positions such as dried layer, water layer, gas-bearing formation and surpressure that in middle-shallow layer formation testing construction, occur are convenient follow-up formation testing, plugged and abandoned layer position; Usually adopt bridging plug to carry out seal, the formation testing end well that the while does not have development plan for the part short-term also adopts bridging plug to shunt in a well.In addition, bridging plug also is used for the layer of the examination shutoff of deep gas well, on return technologies such as test, fracturing reform successful implementation provide safeguard.Characteristics such as working procedure is few because of having for bridging plug, the cycle short, card envelope position is accurate, and be widely used in oil gas well shut-in well aspect.
The test unit that existing indoor test bridging plug sealing the subject of knowledge and the object of knowledge adopts is that the test casing that sleeve pipe or thick-walled pipe more than the P110 process is processed by rank mainly, with the reliable and safety of warranty test.At the trial, earlier bridging plug is arranged in the test casing.
But also there is following problem in this kind test unit in practical application, have much room for improvement: after in a single day bridging plug sets; No matter whether bridging plug sets ideal, and the grappling slips on the bridging plug will embed internal surface of sleeve pipe, and formation can not disengaged condition; Wanting to see that bridging plug sets situation, can only be with taking out after test casing or the thick-walled pipe incision destruction, so each bridging plug will be processed new test casing after setting test; To carry out follow-up test; Cut-up test sleeve pipe again after the test, not only the test period longly also will be expended one section sleeve pipe, and both having prolonged the bridging plug lead time has also increased the bridging plug development cost.
Therefore, but be necessary to provide a kind of new revision test device, overcome above-mentioned defective.
Summary of the invention
But the purpose of this invention is to provide a kind of split type revision test device, can reuse this test unit setting tools such as bridging plug are advanced the shop experiment of sealing property, effectively reduced experimentation cost.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize:
But the present invention provides a kind of split type revision test device, and it comprises two short sleeves that are docking together each other, and the end that said short sleeve connects is connected with ring flange, and its other end is connected with suppresses joint; Wherein, but be placed with setting tool in the said split type revision test device, the said setting tool grappling slips at two ends up and down lays respectively in said two short sleeves, and the cartridge of said setting tool is positioned at the position of said two short sleeves butt joint.
In preferred embodiment; Said ring flange has connecting portion and docking section, and said connecting portion is socketed in the end that said short sleeve connects, and said docking section is vertically connected on the said connecting portion; The docking section of one of them ring flange of two said ring flanges is provided with boss; The docking section of another ring flange is provided with groove, and said boss is embedded in said groove, and said two short sleeves are docking together.
In preferred embodiment, the docking section of said two ring flanges is fixed together through a plurality of coupling bolts.
In preferred embodiment, said coupling bolt is six, and six said coupling bolts along the circumferential direction are evenly distributed on the docking section of said ring flange.
In preferred embodiment, the said adaptor cup jointing of suppressing offers pressurizing port on it on the other end of said short sleeve.
In preferred embodiment, be filled with in said two short sleeves and suppress liquid.
In preferred embodiment, the said liquid of suppressing is water or oil.
In preferred embodiment, between said two ring flanges and said suppressing between joint and the said short sleeve be respectively equipped with a plurality of O-ring seals.
In preferred embodiment, said setting tool is a bridging plug.
In preferred embodiment, said short sleeve is processed by No. 45 steel, and its wall thickness is 15mm.
But split type revision test apparatus features of the present invention and advantage are: the present invention will test with setting tool and be arranged on the test of carrying out sealing property in two short sleeves that are docking together each other; The grappling slips at setting tool two ends is laid respectively in two short sleeves; And the cartridge of setting tool is arranged on the position that two short sleeves connect; After setting when test unit assembles and accomplish bridging plug like this, testing testing sealing; As need to dismantle; Only need two ring flanges that are docking together be taken apart each other, act on setting pressure and can obtain nature and discharge on the setting tool cartridge, thereby the ring flange on two short sleeves can promote also to separate to two side shiftings under the effect of pressure by nature; Utilize this moment remover just can separate two short sleeves at an easy rate and take out and set the grappling slips on the short sleeve madial wall, accomplish dismounting.In the time need carrying out the experiments of sealing performance of setting tool once more, only need repeat to assemble this test unit, can realize the effect of recycling.But split type revision test device of the present invention has reduced experimentation cost effectively.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
But Fig. 1 is the front view of split type revision test device of the present invention.
But Fig. 2 is for being provided with the front view of setting tool in the split type revision test device of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
As shown in Figure 1, but the present invention provides a kind of split type revision test device, it comprises two short sleeves that are docking together each other 1, and the end that said short sleeve 1 connects is connected with ring flange 2, and its other end is connected with suppresses joint 3; Wherein, But be placed with setting tool 4 in the said split type revision test device; Said setting tool about in the of 4 the grappling slips 41 at two ends lay respectively in said two short sleeves 1, the cartridge 42 of said setting tool 4 is positioned at the position of said two short sleeves 1 butt joint.
Specifically be, short sleeve 1 is cylinder barrel shaped substantially, and it is processed by No. 45 steel, and its wall thickness is 15mm; Certainly, in other embodiment, short sleeve 1 also can be formed by N80 and other sleeve pipe transformation of the way of P110 level more than 70Mpa of pressure energy power in holding, and does not limit at this.One end of short sleeve links to each other with ring flange 2, and its other end is connected with suppresses joint 3.The physical dimension of two short sleeves 1 is identical, and they are docking together through two ring flanges 2 that are connected two short sleeve 1 one ends each other, and after butt joint, the axis coaxle of two short sleeves 1 is combined into a complete test casing.Setting tool 4 is mainly used in the oil well casing, is used for plugged and abandoned layer position, or the occluding member short-term does not have the formation testing end well of development plan; In the present invention, setting tool 4 is a bridging plug, certainly; In other embodiment, setting tool 4 also can be has the fixedly packer of grappling slips.But split type revision test device of the present invention is mainly used in the sealing property after the setting tool 4 that detects the above-mentioned type sets, for the smooth exploitation of guaranteeing oil gas field provides prerequisite.
When carrying out the indoor experiments of sealing performance of setting tool 4; See also shown in Figure 2; Existing is that example describes with the bridging plug; At first need but bridging plug is placed in the split type revision test device of the present invention, the grappling slips 41 at bridging plug two ends is laid respectively in two short sleeves 1, and the cartridge 42 at bridging plug middle part is arranged on the position that two short sleeves 1 connect.After treating that bridging plug places; With the 2 butt joint lockings of two ring flanges on two short sleeves 1; Suppress in two short sleeves 1 from the joint 3 of suppressing of two short sleeve 1 other ends, the grappling slips 41 of bridging plug relatively moves under the effect of pressure, and two centrums 43 on the bridging plug are pushed packing element 42 under the effect of grappling slips 41; Packing element 42 expansion recoils are enclosed in the position that two short sleeves 1 connect; And grappling slips 41 is under the conical surface effect of centrum 43 outside surfaces, radially outward moves and is buckled on the madial wall of two short sleeves 1, and bridging plug is accomplished and set.Because the cartridge 42 of bridging plug is arranged on the butted line place of two short sleeves 1; Therefore, after bridging plug set, cartridge 42 tightly top was against this butted line place; The consolidation more of cartridge 42 sealings; Just butt joint more firm between two short sleeves 1 situation such as pressure leakages can not occur, for the follow-up accuracy of testing testing sealing provides prerequisite.Adopt test unit of the present invention can carry out the testing sealing of testing more than the bridging plug 70MPa.
After treating that bridging plug sets and tests testing sealing; Like need bridging plug is disassembled in two short sleeves 1; Only need two ring flanges that are docking together 2 be taken apart each other; Act on setting pressure and can obtain nature and discharge on the bridging plug cartridge 42 this moment; Thereby the ring flange 2 on two short sleeves 1 can natures under pressure to two side shiftings and separately, utilize this moment remover just can separate two short sleeves 1 at an easy rate and take out and set the grappling slips 41 on short sleeve 1 madial wall, the completion dismantlement work.When needs carry out the experiments of sealing performance of another setting tool 4, only need repeat to assemble this test unit, can realize the effect recycled, but split type revision test device of the present invention has reduced experimentation cost effectively.
According to an embodiment of the invention; Said ring flange 2 has connecting portion 21 and docking section 22, and said connecting portion 21 is socketed in the end that said short sleeve 1 connects, and said docking section 22 is vertically connected on the said connecting portion 21; The docking section 22 of one of them ring flange 2 of two said ring flanges 2 is provided with boss 221; The docking section 22 of another ring flange 2 is provided with groove 222, and said boss 221 is embedded in said groove 222, and said two short sleeves 1 are docking together.
Specifically be, the connecting portion 21 of ring flange 2 is cylinder barrel shaped substantially, and it is set in the end outside of short sleeve 1, and is weldingly fixed on the short sleeve 1; Docking section 22 cardinal principles are plate-like ringwise, and it is shaped in an end of connecting portion 21.Two ring flanges 2 align to realize correct centering through being located at two boss 221 and groove 222 mutual make-ups on 22 opposing end surfaces of docking section respectively, and the right alignment and the verticality of two short sleeves 1 after guaranteeing to connect.
In the present invention, the docking section 22 of said two ring flanges 2 is fixed together through a plurality of coupling bolts 5.Specifically be, on the docking section 22 of two ring flanges 2, along the circumferential direction offer a plurality of connecting holes, coupling bolt 5 is located in the connecting hole, and an end that passes connecting hole at coupling bolt 5 is fixing through nut 6.Can more securely two ring flanges 2 be linked together like this.Further, in this embodiment, said coupling bolt 5 is six, and six said coupling bolts 5 along the circumferential direction are evenly distributed on the docking section 22 of said ring flange 2.
According to an embodiment of the invention, said suppressing on the other end that joint 3 is socketed in said short sleeve 1 offers pressurizing port 31 on it.Suppress equipment through the outside and connect pressurizing port 31, fill in two short sleeves 1 from pressurizing port 31 and suppress liquid, so that setting tool 4 sets, in the present invention, the said liquid of suppressing is water or oil.
According to an embodiment of the invention, between said two ring flanges 2 and said suppressing be respectively equipped with a plurality of O-ring seals 7 between joint 3 and the said short sleeve 1.O-ring seals 7 can be guaranteed the sealing of test unit of the present invention, prevents to suppress liquid and leaks outside.
The above is merely several embodiments of the present invention, and those skilled in the art can carry out various changes or modification to the embodiment of the invention according to the disclosed content of application documents and not break away from the spirit and scope of the present invention.
Claims (10)
1. but a split type revision test device is characterized in that, it comprises two short sleeves that are docking together each other, and the end that said short sleeve connects is connected with ring flange, and its other end is connected with suppresses joint; Wherein, but be placed with setting tool in the said split type revision test device, the said setting tool grappling slips at two ends up and down lays respectively in said two short sleeves, and the cartridge of said setting tool is positioned at the position of said two short sleeves butt joint.
2. but split type revision test device as claimed in claim 1 is characterized in that said ring flange has connecting portion and docking section; Said connecting portion is socketed in the end that said short sleeve connects; Said docking section is vertically connected on the said connecting portion, and the docking section of one of them ring flange of two said ring flanges is provided with boss, and the docking section of another ring flange is provided with groove; Said boss is embedded in said groove, and said two short sleeves are docking together.
3. but split type revision test device as claimed in claim 2 is characterized in that the docking section of said two ring flanges is fixed together through a plurality of coupling bolts.
4. but split type revision test device as claimed in claim 3 is characterized in that said coupling bolt is six, and six said coupling bolts along the circumferential direction are evenly distributed on the docking section of said ring flange.
5. but split type revision test device as claimed in claim 1 is characterized in that, the said adaptor cup jointing of suppressing offers pressurizing port on it on the other end of said short sleeve.
6. but split type revision test device as claimed in claim 1 is characterized in that, is filled with in said two short sleeves and suppresses liquid.
7. but split type revision test device as claimed in claim 6 is characterized in that, the said liquid of suppressing is water or oil.
8. but split type revision test device as claimed in claim 1 is characterized in that, between said two ring flanges and said suppressing between joint and the said short sleeve be respectively equipped with a plurality of O-ring seals.
9. but split type revision test device as claimed in claim 1 is characterized in that said setting tool is a bridging plug.
10. but split type revision test device as claimed in claim 1 is characterized in that said short sleeve is processed by No. 45 steel, and its wall thickness is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038065.6A CN102539078B (en) | 2012-02-17 | 2012-02-17 | Split-type repeatable testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038065.6A CN102539078B (en) | 2012-02-17 | 2012-02-17 | Split-type repeatable testing device |
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| Publication Number | Publication Date |
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| CN102539078A true CN102539078A (en) | 2012-07-04 |
| CN102539078B CN102539078B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210038065.6A Active CN102539078B (en) | 2012-02-17 | 2012-02-17 | Split-type repeatable testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454293A (en) * | 2013-09-05 | 2013-12-18 | 中国科学院高能物理研究所 | Neutron beam switch and collimation mounting method |
| CN105675218A (en) * | 2016-03-15 | 2016-06-15 | 中国石油天然气股份有限公司 | Compression type rubber tube test device |
| CN110318705A (en) * | 2019-07-10 | 2019-10-11 | 武汉立尔机电装备有限公司 | Solvable bridge plug in-house program |
Citations (3)
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| CN1383468A (en) * | 2000-07-03 | 2002-12-04 | 俄罗斯科学院西伯利亚分院矿业研究所 | Packer and method for fixation thereof in well |
| CN2674080Y (en) * | 2004-01-18 | 2005-01-26 | 中国石化胜利油田有限公司井下作业公司 | High pressure recovery bridge plug |
| CN201756943U (en) * | 2010-08-03 | 2011-03-09 | 北京托普威尔石油技术服务有限公司 | Oil pipe bridge plug |
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2012
- 2012-02-17 CN CN201210038065.6A patent/CN102539078B/en active Active
Patent Citations (4)
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| CN1383468A (en) * | 2000-07-03 | 2002-12-04 | 俄罗斯科学院西伯利亚分院矿业研究所 | Packer and method for fixation thereof in well |
| US20030075341A1 (en) * | 2000-07-03 | 2003-04-24 | Kurlenya Mikhail Vladimirovich | Packer and method for fixation thereof in a well |
| CN2674080Y (en) * | 2004-01-18 | 2005-01-26 | 中国石化胜利油田有限公司井下作业公司 | High pressure recovery bridge plug |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454293A (en) * | 2013-09-05 | 2013-12-18 | 中国科学院高能物理研究所 | Neutron beam switch and collimation mounting method |
| CN103454293B (en) * | 2013-09-05 | 2015-07-29 | 中国科学院高能物理研究所 | Neutron beam wiretap and alignment method |
| CN105675218A (en) * | 2016-03-15 | 2016-06-15 | 中国石油天然气股份有限公司 | Compression type rubber tube test device |
| CN105675218B (en) * | 2016-03-15 | 2018-07-13 | 中国石油天然气股份有限公司 | A kind of compression type glue barrel experimental rig |
| CN110318705A (en) * | 2019-07-10 | 2019-10-11 | 武汉立尔机电装备有限公司 | Solvable bridge plug in-house program |
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| Publication number | Publication date |
|---|---|
| CN102539078B (en) | 2014-09-03 |
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