CN202100835U - Detachable combination type self-sealing mechanism for oil well cable penetrator - Google Patents
Detachable combination type self-sealing mechanism for oil well cable penetrator Download PDFInfo
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- CN202100835U CN202100835U CN2011200841865U CN201120084186U CN202100835U CN 202100835 U CN202100835 U CN 202100835U CN 2011200841865 U CN2011200841865 U CN 2011200841865U CN 201120084186 U CN201120084186 U CN 201120084186U CN 202100835 U CN202100835 U CN 202100835U
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Abstract
The utility model discloses a detachable combination type self-sealing mechanism for an oil well cable penetrator, which comprises a press cover, an adjusting press sheet, a press sheet, a T-shaped top plate assembly, a first sealing pad, a Y-shaped intermediate plate assembly, a second sealing pad and a T-shaped bottom plate assembly successively compressed from up to bottom. An inner concave step arranged on the first sealing pad and a protruding step surface at the upper part of the Y-shaped intermediate plate assembly are in interference fit and are inserted with each other tightly. Cable holes on the Y-shaped intermediate plate assembly are stepped bores. The outer walls of a plurality of cable holes on the first sealing pad and the upper parts of the stepped bores on the Y-shaped intermediate plate assembly are one-to-one inserted with each other and are in interference fit. An inner concave step arranged on the second sealing pad and a protruding step surface at the upper part of the T-shaped bottom plate assembly are in interference fit and are inserted with each other. Cable holes on the T-shaped bottom plate assembly are stepped bores. The outer walls of a plurality of cable holes on the second sealing pad and the stepped bores on the T-shaped bottom plate assembly are one-to-one inserted with each other and are in interference fit. The sealing effect is improved by adopting the detachable combination type self-sealing mechanism.
Description
Technical field
The utility model relates to a kind of oil well cable penetration device, particularly oil well cable penetration device with detachable combined selfsealings mechanism.
Background technique
Existing oil well is seen shown in Fig. 1,1-1,1-2 and the 1-3 with cable penetration device structure; Adopt foundary weight 1-4,1-6,1-8 and sealing gasket 1-5, the stack of 1-7 multilayer; Put into penetration device main body 1-2; Re-use semicircle pressure cap 1-3 adjustment compacted position, afterwards through the cylinder of gland 1-1 with bolt pressurization lock sealing penetration device main body 1-2 and cable 1-9.
The advantage that existing structure has is: multi-layer sealed pad can reduce down-hole high pressure has the gas leakage risk; Pressure cap, foundary weight, sealing gasket adopt hatch frame, are convenient to maintain and replace.
The shortcoming of existing structure is: 1. when compressing semicircle pressure cap 1-3 " dynamics " when too small, rubber parts distortion deficiency and impacting force are not enough in it, cause sealing and pressure-bearing thereof undesirable; When tight semicircle pressure cap 1-3 " dynamics " was excessive, the scene that penetration device foundary weight element chews cable and insulation thereof appearred in scene often, causes and does over again.2. in a single day gas-blowing phenomenon appears in the gap between three heart yearns of cable 1-9, and the method that only makes rubber seal add large deformation through the increase impacting force can't resolve gas-blowing phenomenon.3. penetration device sealing gasket 1-5,1-7 lose the elastic force of sealing along with plastic deformation, aging appears in continuity and the environmental change of time.4. foundary weight 1-4,1-6,1-8 middle circle ring core are connected on the semicircular ring of outer ring through bolt (like Fig. 1-2 direction of arrow), and oil well uses for a long time, and pressure reaches 21MPa sometimes, and bolt is because of the corrosion ageing failure, and the cable place causes oil and gas leakage.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, provides a kind of good sealing effect oil well cable penetration device with detachable combined selfsealings mechanism.
Another purpose of the utility model is to provide a kind of and can solves foundary weight middle circle ring core connecting bolt Problem of Failure and can solve oil well cable penetration device that penetration device foundary weight element chews cable and Insulation Problems thereof with detachable combined selfsealings mechanism.
In order to achieve the above object, the technological scheme of the utility model employing is:
Oil well cable penetration device is with detachable combined selfsealings mechanism; It comprises gland, adjusting compressing tablet, the compressing tablet that compresses setting from top to bottom successively; Under described compressing tablet, compress successively and be provided with board component in T type top plate member, first sealing gasket, the Y type, second sealing gasket, T type bottom deck assembly; Evenly spacedly each other on board component, second sealing gasket, the T type bottom deck assembly in described T type top plate member, first sealing gasket, Y type have a plurality of cable hole; The indent step of on described first sealing gasket, opening be arranged on the Y type in the raised step face on board component top be seated interference fit mutually; Cable hole in the Y type on the board component is the stepped shaft endoporus; The outer wall of a plurality of cable hole on described first sealing gasket can plug together interference fit one by one with the top of stepped shaft endoporus on the board component in the Y type; The indent step of on described second sealing gasket, opening plugs together interference fit mutually with the raised step face that is arranged on T type bottom deck assembly top, and the cable hole on the T type bottom deck assembly is the stepped shaft endoporus, and the outer wall of a plurality of cable hole on described second sealing gasket can plug together interference fit one by one with the stepped shaft endoporus on the T type bottom deck assembly.
The advantage of the utility model is: 1. compressing tablet 4 is multi-layer structure with adjustment compressing tablet 3; Have oil groove on its surface of contact separately, slide between the two, can avoid when cap is pressed in operation; Prevent the whole Sealing group rotation that penetrates, solved penetration device foundary weight element and chewed cable problem.2. the conical surface interference fit of board component 7 in first sealing gasket 6, the Y type, the conical surface interference fit of second sealing gasket 8 and T type bottom deck assembly 9,2 groups of foundary weight actings in conjunction divided for 2 steps oil well was sealed.Inwall to cable 10 cylinders and penetration device main body 2 produces impacting force, thereby improves sealing effect.3. first sealing gasket 6 and second sealing gasket 8 adopt the cone step sealing configuration, make sealing gasket under the effect of downhole oil atmospheric pressure, produce the selfsealings effect in penetration device main body and cable sidewall, improve sealability.4.T 9 combinations of board component 7 and T type bottom deck assembly are used in type top plate member 5, the Y type, efficiently solve bolt failure in the original structure and cause cable periphery gas leak of the oil leakage problem.5.T 2 sides of 3 T type pieces in the type bottom deck assembly 9 have back draught, T type piece falls into oil well when avoiding keeping in repair.6.T use elastic seal ring to be connected in type top plate member 5, the Y type between board component 7 and T type bottom deck assembly 9 each parts, easy to operate, stable performance.
Description of drawings
Fig. 1 is the structural representation of existing oil well with the cable penetration device;
Fig. 1-the 1st, the semicircle pressure cap structural representation of penetration device shown in Figure 1;
Fig. 1-2 is the structural representation of the foundary weight of penetration device shown in Figure 1;
Fig. 1-the 3rd, the structural representation of the sealing gasket of penetration device shown in Figure 1;
Fig. 2-the 1st, the oil well cable penetration device of the utility model is with the structural representation of detachable combined selfsealings mechanism;
Fig. 2-the 2nd, the oil well cable penetration device of the utility model is with the assembling schematic representation of detachable combined selfsealings mechanism;
Fig. 3 is the structural representation of the T type top plate member of the selfsealings mechanism shown in Fig. 2-1;
Fig. 3-the 1st, the assembling schematic representation of the T type top plate member of the selfsealings mechanism shown in Fig. 2-1;
Fig. 3-the 2nd, the plan view of T type top plate member shown in Figure 3;
Fig. 3-the 3rd, the A-A of the T type top plate member shown in Fig. 3-2 is to view;
Fig. 3-the 4th, the plan view of T type top plate member shown in Figure 3;
Fig. 4 is the structural representation of first and second sealing gaskets of the selfsealings mechanism shown in Fig. 2-1;
Fig. 4-the 1st, the plan view of first and second sealing gaskets shown in Figure 4;
Fig. 4-the 2nd, the A-A of first and second sealing gaskets shown in Fig. 4-1 is to view;
Fig. 4-the 3rd, the plan view of first and second sealing gaskets shown in Figure 4;
Fig. 5 is the structural representation of board component in the Y type of the selfsealings mechanism shown in Fig. 2-1;
Fig. 5-the 1st, the plan view of board component in the Y type shown in Figure 5;
Fig. 5-the 2nd, the A-A of board component is to view in the Y type shown in Fig. 5-1;
Fig. 5-the 3rd, the plan view of board component in the Y type shown in Figure 5;
Fig. 6 is the structural representation of the T type bottom deck assembly of the selfsealings mechanism shown in Fig. 2-1;
Fig. 6-the 1st, the assembling schematic representation of the T type bottom deck assembly of the selfsealings mechanism shown in Fig. 2-1;
Fig. 6-the 2nd, the plan view of T type bottom deck assembly shown in Figure 6;
Fig. 6-the 3rd, the A-A of T type bottom deck assembly shown in Figure 6 is to view;
Fig. 6-the 4th, the plan view of T type bottom deck assembly shown in Figure 6.
Embodiment
Below in conjunction with specific embodiment the utility model is described in detail.
The oil well cable penetration device of the utility model shown in accompanying drawing 2-1 to 6-4 is with detachable combined selfsealings mechanism; It comprises gland 1, adjusting compressing tablet 3, the compressing tablet 4 that compresses setting from top to bottom successively; Under described compressing tablet, compress successively and be provided with in T type top plate member 5, first sealing gasket 6, the Y type board component 7, second sealing gasket 8, T type bottom deck assembly 9; The evenly spaced each other a plurality of cable hole that are used to pass many cables 10 that have on board component, second sealing gasket, the T type bottom deck assembly in described T type top plate member, first sealing gasket, Y type; The indent step of on described first sealing gasket, opening be arranged on the Y type in the raised step face on board component top be seated interference fit mutually; Cable hole in the Y type on the board component is the stepped shaft endoporus; The outer wall of a plurality of cable hole on described first sealing gasket can plug together interference fit one by one with the top of stepped shaft endoporus on the board component in the Y type; The indent step of on described second sealing gasket, opening plugs together interference fit mutually with the raised step face that is arranged on T type bottom deck assembly top; Cable hole on the T type bottom deck assembly is the stepped shaft endoporus, and the outer wall of a plurality of cable hole on described second sealing gasket can plug together interference fit one by one with the stepped shaft endoporus on the T type bottom deck assembly.
Preferably improve sealing effect; Described first sealing gasket and second sealing gasket are provided with conical surface indent step; Board component and T type bottom deck assembly are provided with conical surface raised step face in the Y type; The conical surface indent step of described first sealing gasket is withheld on the conical surface raised step face that board component matches with it in the Y type and both cone match partly are interference fit, and the conical surface indent step of described second sealing gasket is withheld on the conical surface raised step face that T type bottom deck assembly matches with it and both cone match partly are interference fit.
Preferably improve sealing effect; The outer wall of a plurality of cable hole on described first sealing gasket and second sealing gasket is a conical outer wall; The top of the stepped shaft endoporus in the described Y type on board component and the T type bottom deck assembly is cone shape hole; The cone shape hole of board component is seated interference fit through the conical surface in the conical outer wall of described first sealing gasket and the Y type, and the conical outer wall of described second sealing gasket and T type bottom deck assembly upper conical hole are seated interference fit through the conical surface.
Preferred described T type top plate member comprises cylinder-shaped body 3-1, and its circumferencial direction is evenly spaced in described cylinder-shaped body upper edge is provided with three the one T type grooves, in each T type groove, is inserted with one the one T type piece 3-2,3-3,3-4; Described first and second sealing gaskets comprise a cylindrical seal pad main body that is made up of three identical parts of shape separately; Board component is formed the briquetting main body by shape identical three partial briquetting 5-1,5-2,5-3 in the described Y type; T type bottom deck assembly comprises plate main body 6-1; Its circumferencial direction is evenly spaced in described plate main body upper edge is provided with three the 2nd T type grooves; In each the 2nd T type groove, be inserted with one the 2nd T type piece 6-2,6-3,6-4; The plate main body of the cylinder-shaped body of described T type top plate member and T type bottom deck assembly compresses setting with the described first and second sealing gasket cable hole positions respectively; Three partial briquettings of board component compress 3 the 2nd T type pieces setting of T type bottom deck assembly respectively in the Y type through second sealing gasket; Compressing tablet is made up of 2 halfround bar slices, and 2 halfround bar slices of compressing tablet compress 3 the one T type pieces setting of T type top plate member respectively, in the cylinder-shaped body of T type top plate member, Y type, has seal groove on the circumferencial direction of the plate main body of the briquetting main body of board component, T type bottom deck assembly; In described seal groove, be with link 3-5,5-4,6-5, link can be the silica gel sealing bar.
Each the 2nd T type groove in the preferred described T type bottom deck assembly and the fitting surface I that plugs together that plugs together the 2nd T type piece of cooperation with it are the conical surface, and both are seated cooperation mutually through the conical surface.T type piece falls into oil well in the time of can avoiding keeping in repair like this.
Described compressing tablet is a plurality of, and the surface of contact of described adjusting compressing tablet and compressing tablet can be slidingly fitted through being arranged on the oil groove of regulating on compressing tablet and the compressing tablet.The circumferencial direction rotating force is not acted on the following foundary weight and sealing gasket, thereby protection cable 10 is not chewed.
Corresponding penetration device foundary weight element chews cable problem in this device, uses compressing tablet 4 to compress T type top plate member 5, adjusts decrements through regulating compressing tablet 3 again, thus the coupling mechanism force that meets the needs of.Processing oil groove on compressing tablet 4 and the adjusting compressing tablet 3, surface rubbing uses lubricated meson during assembling; Guarantee when gland 1 locking; Produce between compressing tablet 4 and the adjusting compressing tablet 3 and slide, the circumferencial direction rotating force is not acted on the following foundary weight and sealing gasket, thereby protection cable 10 is not chewed.
Corresponding circle cable seal effect problem of poor.The conical surface A of first sealing gasket 6 and conical surface B respectively with the Y type in the conical surface D and the conical surface E interference fit of board component 7, after the axial compression because conical surface effect produces impacting force to the inwall of cable 10 cylinders and penetration device main body 2, thereby the raising sealing effect.In like manner, second sealing gasket 8 and T type bottom deck assembly 9 conical surface G and conical surface H interference fit.2 rent the foundary weight acting in conjunction, divide for 2 steps oil well was sealed.The F face is for cutting 3 place's mouths, and the I face is for cutting 3 place's mouths.
Corresponding sealing gasket plastic deformation, ageing failure problem.Except that selecting external extraordinary sealing material for use, the conical surface indent step of sealing gasket and the conical surface of cable hole, the conical surface A and the B of sealing gasket; Under the effect of downhole oil atmospheric pressure, penetration device main body and cable sidewall are produced seal action power, thereby produce the selfsealings effect; Make sealing gasket under low impacting force, produce identical sealing effect; Thereby improve the sealing gasket operating conditions, reduce plastic deformation, the lift-off seal pad life.The C face is otch totally 3 places, cuts and puts into cable.
Corresponding foundary weight middle circle ring core connecting bolt Problem of Failure.Plate main body 6-1 in cylinder-shaped body 3-1 and the T type bottom deck assembly 9 in the T type top plate member 5; Be overall structure; Can the cable intermediate portion be compressed, briquetting 5-1,5-2, the 5-3 in the board component 7 compresses T type piece 6-2,6-3,6-4 in the T type bottom deck assembly 9 respectively in the Y type simultaneously.Efficiently solve bolt failure problem in the original structure.
T type top plate member 5 is uniformly distributed with T type piece 3-2,3-3,3-4 by 120 ° respectively on main body 3-1, use silica gel sealing bar 3-5 to connect; Board component 7 is uniformly distributed with briquetting 5-1,5-2,5-3 by 120 ° in the Y type, uses silica gel sealing bar 5-4 to connect.3 conical surface D above the cable through-hole are totally 3 places, and outer ring E is the conical surface.The F face is Y-shaped on plan view, and the unitary circular part is divided into 3.T type bottom deck assembly 9 is uniformly distributed with T type piece 6-2,6-3,6-4 by 120 ° respectively on plate main body 6-1, use silica gel sealing bar 6-5 to connect.3 conical surface G above the cable through-hole are totally 3 places, and outer ring H is the conical surface; 3 T type piece 6-2 in the T type bottom deck assembly 9,6-3,6-4,2 side I have tapering, and T type piece falls into oil well when avoiding keeping in repair.
Worker's installation method of the utility model device is following:
The T type of packing into earlier bottom deck assembly 9, band tapering boss position makes progress, and it is the 120 ° of structures in interval that cable 10 is uniformly distributed with.Second sealing gasket, 8 taper indent step tapers part is buckled on the T type bottom deck assembly 9 downwards.The same tapering boss board component 7 in the Y type of upwards packing into is buckled first sealing gasket 6.Re-using T type top plate member 5 is pressed on the plane of first sealing gasket.Put into compressing tablet 4 at last and regulate compressing tablet 3, use gland 1 to be fastened on the penetration device main body 2 at last.The adjusting compressing tablet possibly packed into to be organized more, so that regulate fastening force.
Claims (6)
1. oil well cable penetration device is with detachable combined selfsealings mechanism; It comprises gland, adjusting compressing tablet, the compressing tablet that compresses setting from top to bottom successively; It is characterized in that: under described compressing tablet, compress successively and be provided with board component in T type top plate member, first sealing gasket, the Y type, second sealing gasket, T type bottom deck assembly; Evenly spacedly each other on board component, second sealing gasket, the T type bottom deck assembly in described T type top plate member, first sealing gasket, Y type have a plurality of cable hole; The indent step of on described first sealing gasket, opening be arranged on the Y type in the raised step face on board component top be seated interference fit mutually; Cable hole in the Y type on the board component is the stepped shaft endoporus; The outer wall of a plurality of cable hole on described first sealing gasket can plug together interference fit one by one with the top of stepped shaft endoporus on the board component in the Y type; The indent step of on described second sealing gasket, opening plugs together interference fit mutually with the raised step face that is arranged on T type bottom deck assembly top; Cable hole on the T type bottom deck assembly is the stepped shaft endoporus, and the outer wall of a plurality of cable hole on described second sealing gasket can plug together interference fit one by one with the stepped shaft endoporus on the T type bottom deck assembly.
2. oil well cable penetration device according to claim 1 is with detachable combined selfsealings mechanism; It is characterized in that: described first sealing gasket and second sealing gasket are provided with conical surface indent step; Board component and T type bottom deck assembly are provided with conical surface raised step face in the Y type; The conical surface indent step of described first sealing gasket is withheld on the conical surface raised step face that board component matches with it in the Y type and both cone match partly are interference fit, and the conical surface indent step of described second sealing gasket is withheld on the conical surface raised step face that T type bottom deck assembly matches with it and both cone match partly are interference fit.
3. oil well cable penetration device according to claim 1 is with detachable combined selfsealings mechanism; It is characterized in that: the outer wall of a plurality of cable hole on described first sealing gasket and second sealing gasket is a conical outer wall; The top of the stepped shaft endoporus in the described Y type on board component and the T type bottom deck assembly is cone shape hole; The cone shape hole of board component is seated interference fit through the conical surface in the conical outer wall of described first sealing gasket and the Y type, and the conical outer wall of described second sealing gasket and T type bottom deck assembly upper conical hole are seated interference fit through the conical surface.
According to claim 2 or 3 described oil well cable penetration devices with detachable combined selfsealings mechanism; It is characterized in that: described T type top plate member comprises cylinder-shaped body; Its circumferencial direction is evenly spaced in described cylinder-shaped body upper edge is provided with three the one T type grooves, in each T type groove, is inserted with one the one T type piece; Described first and second sealing gaskets comprise a cylindrical seal pad main body that is made up of three identical parts of shape separately; Board component is formed the briquetting main body by three identical partial briquettings of shape in the described Y type; T type bottom deck assembly comprises the plate main body; Its circumferencial direction is evenly spaced in described plate main body upper edge is provided with three the 2nd T type grooves; In each the 2nd T type groove, be inserted with one the 2nd T type piece; The plate main body of the cylinder-shaped body of described T type top plate member and T type bottom deck assembly compresses setting with the described first and second sealing gasket cable hole positions respectively; Three partial briquettings of board component compress 3 the 2nd T type pieces setting of T type bottom deck assembly respectively in the Y type through second sealing gasket, and compressing tablet is made up of 2 halfround bar slices, and 2 halfround bar slices of compressing tablet compress 3 the one T type pieces setting of T type top plate member respectively; In the cylinder-shaped body of T type top plate member, Y type, have seal groove on the circumferencial direction of the plate main body of the briquetting main body of board component, T type bottom deck assembly, in described seal groove, be with link.
5. oil well cable penetration device according to claim 4 is with detachable combined selfsealings mechanism; It is characterized in that: each the 2nd T type groove in the described T type bottom deck assembly and the fitting surface that plugs together that plugs together the 2nd T type piece of cooperation with it are the conical surface, and both are seated cooperation mutually through the conical surface.
6. oil well cable penetration device according to claim 5 is with detachable combined selfsealings mechanism; It is characterized in that: described compressing tablet is a plurality of, and the surface of contact of described adjusting compressing tablet and compressing tablet can be slidingly fitted through being arranged on the oil groove of regulating on compressing tablet and the compressing tablet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200841865U CN202100835U (en) | 2011-03-25 | 2011-03-25 | Detachable combination type self-sealing mechanism for oil well cable penetrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200841865U CN202100835U (en) | 2011-03-25 | 2011-03-25 | Detachable combination type self-sealing mechanism for oil well cable penetrator |
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| Publication Number | Publication Date |
|---|---|
| CN202100835U true CN202100835U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200841865U Expired - Lifetime CN202100835U (en) | 2011-03-25 | 2011-03-25 | Detachable combination type self-sealing mechanism for oil well cable penetrator |
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| CN (1) | CN202100835U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696606B (en) * | 2015-03-17 | 2016-12-07 | 常州依科迪环境科技有限公司 | A kind of seal sensor |
| CN109347052A (en) * | 2018-12-10 | 2019-02-15 | 北京瑞莱博石油技术有限公司 | A kind of high voltage bearing hole multiline sealing structure |
| CN111478080A (en) * | 2020-03-20 | 2020-07-31 | 中航光电科技股份有限公司 | Combined fireproof wall-penetrating socket easy to install |
-
2011
- 2011-03-25 CN CN2011200841865U patent/CN202100835U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696606B (en) * | 2015-03-17 | 2016-12-07 | 常州依科迪环境科技有限公司 | A kind of seal sensor |
| CN109347052A (en) * | 2018-12-10 | 2019-02-15 | 北京瑞莱博石油技术有限公司 | A kind of high voltage bearing hole multiline sealing structure |
| CN109347052B (en) * | 2018-12-10 | 2023-09-19 | 重庆科技学院 | High-pressure-resistant one-hole multi-line sealing structure |
| CN111478080A (en) * | 2020-03-20 | 2020-07-31 | 中航光电科技股份有限公司 | Combined fireproof wall-penetrating socket easy to install |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20120104 |