CN208982018U - A kind of cable is strike-off device - Google Patents
A kind of cable is strike-off device Download PDFInfo
- Publication number
- CN208982018U CN208982018U CN201821824657.XU CN201821824657U CN208982018U CN 208982018 U CN208982018 U CN 208982018U CN 201821824657 U CN201821824657 U CN 201821824657U CN 208982018 U CN208982018 U CN 208982018U
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- Prior art keywords
- strike
- piston
- cable
- packing element
- top connection
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- 238000012856 packing Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 42
- 239000013521 mastic Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 17
- 230000008602 contraction Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
It strike-offs device the utility model discloses a kind of cable, including top connection, lower contact and the piston being installed in top connection and lower contact component；Wherein, the upper end of the top connection is connected with the greasing seal head in cable anti-blow-out device, and lower end is connected with lower contact component, and the middle part of top connection is equipped with hydraulic control mouth；Large cylindrical structure is provided in the middle part of the piston, piston reset mechanism is arranged on piston, piston reset mechanism one end is in contact with large cylindrical structure, the other end and lower contact attached components touch, sand-scraping mechanism is installed in the inner hole of piston, it is installed on greasing seal head lower part, for desanding, piston action is set to compress packing element by hydraulic coupling, packing element internal contraction wraps cable, the fine sand being sticked on cable is all scraped in well when cable above mentions, the fine sand for effectively solving to be adhered on cable during armored cable Operating Pressure enters the possibility of choke tube, prevent the generation of sand card accident, substantially increase operating efficiency, reduce economic loss.
Description
Technical field
It strike-offs device the utility model relates to oil reservoir logging field of cable technology more particularly to a kind of cable.
Background technique
The well head pressure control of existing oil/gas well armored cable Operating Pressure is completed by cable anti-blow-out device, and armour
The dynamic with pressure of dress cable, which removes sealing, to be realized by cable greasing seal head.Its principle mainly passes through Xiang Duogen internal diameter
The stop-leak compound of bigger than the outside diameter of cable tens Dao several hundred microns choke tube injection high-voltage high-viscosity degree, recycles the throttling of elongated gap
Decompression principle, by borehole pressure control below choke tube.It to keep ceaselessly injecting sealing during entire wireline operation
Rouge thus makes entire armored cable adhere to highly viscous stop-leak compound, and underground especially down-hole horizontal section and fracturing fluid
In be usually constructed with a large amount of pressure break fine sand, fine sand is very likely adhered to during cable above mentions in this way.Cable passes through resistance
When flow tube lower end, it is most likely that bring the sand being sticked in armored cable gap into choke tube, and armored cable and choke tube
Gap and very little, so sand card accident of the armored cable in choke tube happens occasionally, especially in pumping bridge plug perforating and fracturing
In operation.What each sand card accident will make a great fuss goes unfreezing, not only to expend long time, but also to spend many
Money causes no small loss to operator.So the use unit of oil field cable anti-blow-out device all there is an urgent need to one kind can
Solve or reduce the equipment or method of sand card accident rate.
Utility model content
It is in view of the foregoing drawbacks or insufficient, it strike-offs device the purpose of this utility model is to provide a kind of cable, with cable blowout control
Matched with devices uses, and can effectively solve the problem that the fine sand being adhered on cable during armored cable Operating Pressure enters choke tube
May, the generation of sand card accident is prevented, operating efficiency is substantially increased, reduces economic loss.
To achieve the above objectives, the technical solution of the utility model are as follows:
A kind of cable is strike-off device, including top connection, lower contact component and is installed in top connection and lower contact component
Piston；Wherein, the upper end of the top connection is connected with the greasing seal head in cable anti-blow-out device, lower end and lower contact component
It is connected, the middle part of top connection is equipped with hydraulic control mouth；It is provided with large cylindrical structure in the middle part of the piston, it is multiple that piston is arranged on piston
Position mechanism, piston reset mechanism one end are in contact with large cylindrical structure, and the other end and lower contact attached components touch, piston
Sand-scraping mechanism is installed in inner hole.
The sand-scraping mechanism includes the pressing plate being mounted in piston, and packing element of strike-ofing is equipped on the pressing plate, described to strike-off
The end of packing element is equipped with pilot support sleeve.
The packing element of strike-ofing is two halves structure composition, and packing element of strike-ofing, inside is provided with the first pressure guide hole and multiple groups groove, strike-offs
The bore inner diameter of packing element is identical as the outside diameter of cable.
The second pressure guide hole corresponding with the first pressure guide hole on packing element of strike-ofing is offered on the pilot support sleeve.
The packing element of strike-ofing is packing element of strike-ofing made of rubber.
The both ends of the piston are provided with sealing surface, wherein are less than with the sealing surface diameter of top connection cooperation and connect under
The sealing surface diameter of head assembly cooperation, forms difference in areas, so that auxiliary piston resets when there is well pressure.
The top connection inner wall offers the first sealing ring mounting groove, and the first sealing is equipped in the first sealing ring mounting groove
Circle.
The piston large cylindrical structure is equipped with the second sealing ring mounting groove, is equipped with second in the second sealing ring mounting groove
Sealing ring.
The lower contact component inner wall offers third sealing ring mounting groove, is equipped with third in third sealing ring mounting groove
Sealing ring.
Hydraulic joint is connected on the hydraulic control mouth.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model provides a kind of cable and strike-offs device, is installed on greasing seal head lower part, desanding is used for, by hydraulic
Power makes piston action compress packing element, and packing element internal contraction wraps cable, when cable is above mentioned by the fine sand being sticked on cable whole
It scrapes in well, the fine sand for effectively solving to be adhered on cable during armored cable Operating Pressure enters the possibility of choke tube, prevents
The only generation of sand card accident, substantially increases operating efficiency, reduces economic loss.
Detailed description of the invention
Fig. 1 is that the utility model cable is strike-off device structural schematic diagram；
Fig. 2 is that the utility model cable is strike-off device explosive view；
Fig. 3 is that the utility model is strike-off packing element structural schematic diagram.
In figure, 1-top connection；2-pistons；3-lower contact components；4-pressing plates；5-pilot support sleeves；6-scrape mastic
Cylinder；61-the first pressure guide hole；7-piston reset mechanisms；8-hydraulic joints；9-contactless first sealing rings；10-the second is close
Seal；11-third sealing rings.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing, it is clear that described embodiment is only that this is practical
Novel a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to the protection model of the utility model
It encloses.
As shown in Figure 1, 2, the utility model provides a kind of cable and strike-offs device, including top connection 1, lower contact component 3, with
And it is installed on the piston 2 in top connection 1 and lower contact component 3；1 top of top connection be formed with in cable anti-blow-out device
Greasing seal head connected screw thread and sealing surface, wherein the greasing sealing in the upper end and cable anti-blow-out device of the top connection 1
Head is connected, and lower end is connected with lower contact component 3, and the middle part of top connection 1 is equipped with hydraulic control mouth, hydraulic control mouth and 8 phase of hydraulic joint
Even, inner hole is sealing surface；It can be slidingly sealed, be provided in the middle part of the piston 2 big in 2 top connection 1 of piston and lower contact component 3
Outer circle structure is arranged with piston reset mechanism 7 on piston 2, and described 7 one end of piston reset mechanism is in contact with large cylindrical structure,
The other end is in contact with lower contact component 3, is equipped with sand-scraping mechanism in the inner hole of piston 2.Illustratively, the piston reset machine
Structure 7 is piston reset spring.
Specifically, as shown in figure 3, the sand-scraping mechanism includes the pressing plate 4 being mounted in piston 2 in the utility model,
Packing element 6 of strike-ofing is installed, the end for strike-ofing packing element 6 is equipped with pilot support sleeve 5 on the pressing plate 4.The packing element 6 of strike-ofing
For two halves structure composition, packing element 6 of strike-ofing axially inside is provided with the first pressure guide hole 61, circumferentially offers multiple groups groove, strike-off
The bore inner diameter of packing element 6 is identical as the outside diameter of cable；Axis, which offers and strike-off on packing element 6, on the pilot support sleeve 5 first leads
Press corresponding second pressure guide hole in hole 61.In the utility model, the packing element 6 of strike-ofing is packing element of strike-ofing made of abrasive rubber.
The utility model is provided with the wear-resisting packing element 6 of strike-ofing of two halves formula, so that 2 action compresses of piston is scraped mastic by hydraulic coupling
Cylinder 6,6 internal contraction of packing element of strike-ofing wraps cable, all scrapes the fine sand being sticked on cable in well when cable above mentions；Two halves
What the structure of formula can guarantee quick-replaceable serious wear in the case where having cable inside end of not dismantling, equipment scrapes mastic
Cylinder, improves operating efficiency；Pressure guide hole is provided with inside packing element, it is ensured that do not shrink voluntarily in well pressure effect lower rubber cylinder and wrap electricity
Cable；Packing element inner hole is provided with multiple groups groove, increases effect of strike-ofing.
Preferably, the both ends of piston 2 described in the utility model are provided with sealing surface, wherein cooperate with top connection 1 close
Cover diameter is less than the sealing surface diameter cooperated with lower contact component 3, difference in areas is formed, so that the auxiliary piston when there is well pressure
2 reset.In the case where there is pressure condition, pressure acts on the power that heavy in section power is greater than small bore, can guarantee in this way in work with pressure
When needing to discharge packing element during industry, piston being capable of Rapid reset.
Further, 1 inner wall of top connection offers the first sealing ring mounting groove, installation in the first sealing ring mounting groove
There is the first sealing ring 9；The 2 large cylindrical structure of piston is equipped with the second sealing ring mounting groove, peace in the second sealing ring mounting groove
Equipped with the second sealing ring 10,3 inner wall of lower contact component offers third sealing ring mounting groove, in third sealing ring mounting groove
Third sealing ring 11 is installed.
The course of work and principle of the utility model:
In upper portable cable, by action of hydraulic force piston 2, piston 2 is mobile, compresses the packing element 6 of strike-ofing in it, scrapes mastic
Cable is wrapped in cylinder 6 inner holes contraction, and when cable upstream, the fine sand adhered to thereon is then scraped in well by packing element, it is therefore prevented that fine sand enters
Cable is strike-off the possibility of device top choke tube；In lower payout, hydraulic coupling release, effect of the piston in reset spring and well pressure
Lower reset discharges packing element, packing element releases cable, it is ensured that cable goes into the well normal and reduces abrasion of the cable to packing element of strike-ofing.
It is obvious to a person skilled in the art that will appreciate that above-mentioned Concrete facts example is the preferred of the utility model
Scheme, therefore improvement, the variation that those skilled in the art may make certain parts in the utility model, embodiment
It is still the principles of the present invention, realization is still the purpose of this utility model, belongs to the range that the utility model is protected.
Claims (10)
- The device 1. a kind of cable is strike-off, which is characterized in that including top connection (1), lower contact component (3) and be installed on top connection (1) piston (2) and in lower contact component (3)；Wherein, the greasing in the upper end and cable anti-blow-out device of the top connection (1) Seal head is connected, and lower end is connected with lower contact component (3), and the middle part of top connection (1) is equipped with hydraulic control mouth；The piston (2) Middle part is provided with large cylindrical structure, is arranged on piston (2) piston reset mechanism (7), described piston reset mechanism (7) one end with Large cylindrical structure is in contact, and the other end is in contact with lower contact component (3), is equipped with sand-scraping mechanism in the inner hole of piston (2).
- The device 2. cable according to claim 1 is strike-off, which is characterized in that the sand-scraping mechanism includes being mounted on piston (2) Interior pressing plate (4) is equipped with packing element of strike-ofing (6) on the pressing plate (4), and the end of the packing element of strike-ofing (6) is equipped with pilot branch Support set (5).
- The device 3. cable according to claim 2 is strike-off, which is characterized in that the packing element of strike-ofing (6) is two halves structure composition, It strike-offs packing element (6), inside is provided with the first pressure guide hole (61) and multiple groups groove, the bore inner diameter and the outside diameter of cable of packing element of strike-ofing (6) It is identical.
- The device 4. cable according to claim 3 is strike-off, which is characterized in that offer and scrape on the pilot support sleeve (5) Corresponding second pressure guide hole of first pressure guide hole (61) on mastic cylinder (6).
- The device 5. cable according to claim 2 or 3 is strike-off, which is characterized in that the packing element of strike-ofing (6) is made of rubber It strike-offs packing element.
- The device 6. cable according to claim 1 is strike-off, which is characterized in that the both ends of the piston (2) are provided with sealing Face, wherein be less than the sealing surface diameter cooperated with lower contact component (3), forming face with the sealing surface diameter of top connection (1) cooperation Product moment, so that auxiliary piston (2) resets when there is well pressure.
- The device 7. cable according to claim 1 or 6 is strike-off, which is characterized in that top connection (1) inner wall offers One sealing ring mounting groove is equipped with the first sealing ring (9) in the first sealing ring mounting groove.
- The device 8. cable according to claim 1 or 6 is strike-off, which is characterized in that piston (2) the large cylindrical structure is equipped with Second sealing ring mounting groove is equipped with the second sealing ring (10) in the second sealing ring mounting groove.
- The device 9. cable according to claim 1 or 6 is strike-off, which is characterized in that lower contact component (3) inner wall offers Third sealing ring mounting groove is equipped with third sealing ring (11) in third sealing ring mounting groove.
- The device 10. cable according to claim 1 is strike-off, which is characterized in that be connected with hydraulic joint on the hydraulic control mouth (8)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824657.XU CN208982018U (en) | 2018-11-07 | 2018-11-07 | A kind of cable is strike-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824657.XU CN208982018U (en) | 2018-11-07 | 2018-11-07 | A kind of cable is strike-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982018U true CN208982018U (en) | 2019-06-14 |
Family
ID=66790361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821824657.XU Active CN208982018U (en) | 2018-11-07 | 2018-11-07 | A kind of cable is strike-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208982018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113663A (en) * | 2018-11-07 | 2019-01-01 | 宝鸡市赛孚石油机械有限公司 | A kind of cable is strike-off device |
-
2018
- 2018-11-07 CN CN201821824657.XU patent/CN208982018U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113663A (en) * | 2018-11-07 | 2019-01-01 | 宝鸡市赛孚石油机械有限公司 | A kind of cable is strike-off device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 721306 Gaoxin 19 Road, Baoji high tech Development Zone, Shaanxi Province Patentee after: Baoji Saifu Petroleum Machinery Co.,Ltd. Country or region after: China Address before: 721306 Gaoxin 19 Road, Baoji high tech Development Zone, Shaanxi Province Patentee before: BAOJI SAFE PETROLEUM MACHINERY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |