CN102031941A - Steel protection umbrella type sealer - Google Patents
Steel protection umbrella type sealer Download PDFInfo
- Publication number
- CN102031941A CN102031941A CN2010105495110A CN201010549511A CN102031941A CN 102031941 A CN102031941 A CN 102031941A CN 2010105495110 A CN2010105495110 A CN 2010105495110A CN 201010549511 A CN201010549511 A CN 201010549511A CN 102031941 A CN102031941 A CN 102031941A
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- umbrella
- packing element
- steel
- rubber cylinder
- lower rubber
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Abstract
The invention relates to a steel protection umbrella type sealer used for packers in oil and water wells in the field of oil production in oilfields. The steel protection umbrella type sealer is mainly used for solving the problems of channeling and breaking of an existing packing element of the existing packer during setting compression. Upper and lower end surfaces of upper and lower packing elements, circular arc surfaces at the joints of the upper and lower end surfaces and the outer diameter and outer surfaces joined with the circular arc surfaces of the steel protection umbrella type sealer are respectively coated with steel protection umbrellas of the upper and lower packing elements; and umbrella wings are segmented into a plurality of umbrella sheets by a plurality of broken openings distributed uniformly, and the broken openings are sequentially superposed when all the umbrella sheets are folded upwards for wrapping the packing elements. As the upper and lower packing elements of the steel protection umbrella type sealer are provided with the steel protection umbrellas, the channeling and breaking of the upper and lower packing elements can be avoided when the packer sets the packing elements for compression, the sealing efficiency of the packer can be improved, the service life of the packer can be prolonged, and the production cost can be reduced.
Description
Technical field
Type of the present invention relates to the used a kind of cartridge of packer, steel umbrella formula sealer specifically in oil recovery field, oil field oil, the well.
Background technology
In the oil recovery technique of oil field, seperated layer water injection and oil production by layer are the important measures that realize multi-zone flow regulating and separate zone production.Seperated layer water injection or oil production by layer generally are to use layer separating packer that oil reservoir is disconnected.Inflatable packer is widely used a kind of, and this packer is by the compression to packing element, makes its expansion, sets on the tubing string wall.In use, because the reasons in structure of the excessive or existing packer of down-hole pressure often causes packing element to scurry position, fragmentation when compression, the serious clip accident that causes causes shorten the application life of packer, and frequent normal oil recovery of replacing packer influence produced.
Summary of the invention
The problem to be solved in the present invention provides a kind of when packer setting, can avoid packing element to scurry position and broken, prolongs the application life of packer, and improves the steel umbrella formula sealer of packer sealing efficient.
For achieving the above object, technical scheme of the present invention is: a kind of steel umbrella formula sealer, comprise the last packing element that axially is arranged in order, middle packing element and lower rubber cylinder, wherein, the described upper surface reaches with the upper surface is connected successively arc surface, the external surface of going up packing element superscribes packing element steel umbrella, the lower surface of lower rubber cylinder and the arc surface that is connected successively with the lower surface, external surface parcel lower rubber cylinder steel umbrella; Described umbrella wing top of going up packing element steel umbrella and lower rubber cylinder steel umbrella is circular umbrella collar, on the umbrella collar centre bore is arranged; The described umbrella wing is divided into several umbrella sheets by several uniform disconnection mouths, and it is porose with the intersection of umbrella collar to disconnect mouth; When each umbrella sheet upwards drew the parcel packing element in, it was superimposed successively to disconnect mouth.
Centre bore on the described umbrella collar is identical with the aperture of each packing element centre bore.
The described actual axial dimension H that goes up the axial dimension h of packing element steel umbrella and lower rubber cylinder steel packing element that umbrella superscribes and lower rubber cylinder less than last packing element and lower rubber cylinder.
The described material that goes up packing element steel umbrella and lower rubber cylinder steel umbrella is stainless steel or brass.
The inwall of packing element has radial groove in described, and upward the inwall of packing element, middle packing element and lower rubber cylinder all is equipped with sealing ring.
The present invention has following beneficial effect: this steel umbrella formula sealer, owing to take technique scheme, the umbrella that arc surface that is connected successively in the upper and lower end face of last lower rubber cylinder and with the upper and lower end face and external surface are enclosed with stainless steel or brass, when packing element compresses, umbrella plays spacing and protective effect to last lower rubber cylinder, prevent that effectively packing element from scurrying position, intussusception and fragmentation, avoid the generation of clip accident; Simultaneously in order to make umbrella not limit the tension force of packing element, some axial disconnection mouths that distribute on the umbrella wing can fully discharge the elasticity of packing element; Because the material of last lower rubber cylinder umbrella is stainless steel or brass, good toughness, difficult drop-off has very high Corrosion Protection, adapts to subsurface environment, has prolonged the life-span of sealing device, reduces the production operation cost.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of lower rubber cylinder umbrella on the sequence number 1,6 among Fig. 1;
Fig. 3 is another angle schematic diagram of Fig. 2.
1-goes up packing element steel umbrella among the figure, and the last packing element of 2-, packing element among the 3-, 4-groove, 5-lower rubber cylinder, 6-lower rubber cylinder steel umbrella, 7-sealing ring, 8-disconnect mouth, 9-umbrella collar, 10-hole, the 11-umbrella wing, 12-umbrella sheet.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
Extremely shown in Figure 3 by Fig. 1, a kind of steel umbrella formula sealer, comprise the last packing element 2, middle packing element 3 and the lower rubber cylinder 5 that axially are arranged in order, wherein, described upper surface and external diameter junction of going up packing element 2 is arc surface, the lower surface of lower rubber cylinder 5 and external diameter junction are arc surface, superscribe packing element steel umbrella 1 at upper surface, the arc surface of last packing element 2 and the external surface that is connected with arc surface, the lower surface of lower rubber cylinder 5, arc surface and the external surface parcel lower rubber cylinder steel umbrella 6 that is connected with arc surface; The described shape that goes up packing element steel umbrella 1 and lower rubber cylinder steel umbrella 6, size are just as, last packing element steel umbrella 1 parcel downwards on last packing element 2, and lower rubber cylinder steel umbrella 6 makes progress on lower rubber cylinder 5 and wraps up, as shown in Figure 1; The last packing element steel umbrella 1 that geomery is identical and the main part of lower rubber cylinder steel umbrella 6 are the umbrella wing 11, and the top of the umbrella wing 11 is circular umbrella collar 9, on the umbrella collar 9 centre bore is arranged, and the aperture of centre bore is identical with the aperture of each packing element centre bore; In order to make umbrella not limit the elasticity tension of packing element 2 and lower rubber cylinder 5, several uniform disconnection mouths 8 distribute on the described umbrella wing 11, and disconnect mouthfuls 8 are lower limbs from the intersection of umbrella collar 9 and the umbrella wing 11 upper ends to the umbrella wing 11, the umbrella wing 11 is divided into several umbrella sheets 12, and the intersection porose 10 of disconnection mouth 8 and umbrella collar 9, when each umbrella sheet 12 upwards draws the parcel packing element in, disconnecting mouth 8 can be superimposed, the umbrella wing that makes the steel umbrella is when the parcel packing element, each inner surface of fanning sheet combines tighter with the external surface of packing element, simultaneously in order to give full play to the sealing performance of lower rubber cylinder, the axial dimension h of last packing element steel umbrella 1 and lower rubber cylinder steel umbrella 6 lower rubber cylinders that superscribe is not wrapped lower rubber cylinder and partly gives full play to the elastic force sealing performance less than the actual axial dimension H of last packing element 2 and lower rubber cylinder 5; This steel umbrella formula sealer is installed on the packer, together go into the well with packer, when the packer compression sets, the upper, middle and lower packing element expands, the umbrella sheet 12 of last packing element steel umbrella 1 and lower rubber cylinder steel umbrella 6 opens thereupon, set simultaneously in the tubing string inwall with last packing element 2 and lower rubber cylinder 5, neither the elasticity tension of packing element 2 and lower rubber cylinder 5 is gone up in restriction, simultaneously play spacing and protective effect to last packing element 2 and lower rubber cylinder 5 again, prevent that effectively packing element 2 and lower rubber cylinder 5 from scurrying position, intussusception and fragmentation, avoid the generation of clip accident; In addition, in order to have improved the elastic force sealing performance of middle packing element 3, further improve the sealing effectiveness of packing element and tubing string, the inwall of middle packing element 3 is provided with radial groove 4; And the inwall of last packing element 2, middle packing element 3 and lower rubber cylinder 5 all is equipped with sealing ring 7, and sealing ring 7 and packing element one-shot forming improve the sealing of itself and inner central tube.In order to adapt to subsurface environment; the described material that goes up packing element steel umbrella 1 and lower rubber cylinder steel umbrella 6 is stainless steel or brass; its good toughness; difficult drop-off; has very high Corrosion Protection; thereby prolonged the life-span of sealing device, reduced the production operation cost, guaranteed carrying out smoothly of oil recovery production.
Claims (5)
1. steel umbrella formula sealer, comprise the last packing element (2) that axially is arranged in order, middle packing element (3) and lower rubber cylinder (5), it is characterized in that: the described upper surface reaches with the upper surface is connected successively arc surface, the external surface of going up packing element (2) superscribes packing element steel umbrella (1), the lower surface of lower rubber cylinder (5) and the arc surface that is connected successively with the lower surface, external surface parcel lower rubber cylinder steel umbrella (6); The described umbrella wing (11) top of going up packing element steel umbrella (1) and lower rubber cylinder steel umbrella (6) is circular umbrella collar (9), and the umbrella collar has centre bore on (9); The described umbrella wing (11) is divided into several umbrella sheets (12) by several uniform disconnection mouths (8), disconnects the intersection porose (10) of mouthful (8) and umbrella collar (9); When each umbrella sheet (12) upwards drew the parcel packing element in, it was superimposed successively to disconnect mouthful (8).
2. steel umbrella formula sealer according to claim 1, it is characterized in that: the centre bore on the described umbrella collar (9) is identical with the aperture of each packing element centre bore.
3. steel umbrella formula sealer according to claim 2 is characterized in that: the last packing element (2) that described upward packing element steel umbrella (1) and lower rubber cylinder steel umbrella (6) are wrapped up and the axial dimension h of lower rubber cylinder (5) are less than the actual axial dimension H of last packing element (2) and lower rubber cylinder (5).
4. steel umbrella formula sealer according to claim 3 is characterized in that: the material that goes up packing element steel umbrella (1) and lower rubber cylinder steel umbrella (6) is stainless steel or brass.
5. steel umbrella formula sealer according to claim 4, it is characterized in that: the inwall of middle packing element (3) has radial groove (4), and upward the inwall of packing element (2), middle packing element (3) and lower rubber cylinder (5) all is equipped with sealing ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105495110A CN102031941A (en) | 2010-11-19 | 2010-11-19 | Steel protection umbrella type sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105495110A CN102031941A (en) | 2010-11-19 | 2010-11-19 | Steel protection umbrella type sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102031941A true CN102031941A (en) | 2011-04-27 |
Family
ID=43885331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105495110A Pending CN102031941A (en) | 2010-11-19 | 2010-11-19 | Steel protection umbrella type sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102031941A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863553A (en) * | 2016-06-20 | 2016-08-17 | 天鼎联创密封技术（北京）有限公司 | Packer element with lower end sealing ring wrapped by two copper sheets, packer and bridge plug |
| CN105888602A (en) * | 2016-06-20 | 2016-08-24 | 天鼎联创密封技术（北京）有限公司 | Rubber sleeve with lower end seal ring covered with opened copper sheet, packer and bridge plug |
| CN106050184A (en) * | 2016-06-20 | 2016-10-26 | 天鼎联创密封技术（北京）有限公司 | Rubber sleeve with lower end sealing ring wrapped with copper sheet, packer and bridge plug |
| CN107130937A (en) * | 2017-06-30 | 2017-09-05 | 四川达灿石油设备有限公司 | HTHP persistence colloid seal |
| CN111322031A (en) * | 2020-03-29 | 2020-06-23 | 陈玉 | Easy-to-mount combined rubber cylinder bridge plug |
| CN112709555A (en) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | Efficient separate-prevention separate-injection tubular column for water injection well and construction method |
| CN118462097A (en) * | 2024-07-15 | 2024-08-09 | 成都托克密封件有限责任公司 | Underground packing tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049262U (en) * | 1989-01-24 | 1989-12-13 | 大庆石油管理局采油工艺研究所 | Small diameter compression packer |
| CN2367762Y (en) * | 1999-03-29 | 2000-03-08 | 黑龙江省大庆石油管理局采油工艺研究所 | Packer capable of drilling |
| CN2588046Y (en) * | 2002-12-16 | 2003-11-26 | 大庆油田有限责任公司 | Compressing type small diameter packer |
| CN2844418Y (en) * | 2005-11-25 | 2006-12-06 | 张立臣 | Steel umbrella formula sealer |
| CN200940466Y (en) * | 2006-04-27 | 2007-08-29 | 中国石油化工股份有限公司中原油田分公司采油工程技术研究院 | Packer packing element protective bowl |
| CN201269074Y (en) * | 2008-10-23 | 2009-07-08 | 大庆油田有限责任公司 | Minor-diameter drillable packer |
-
2010
- 2010-11-19 CN CN2010105495110A patent/CN102031941A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049262U (en) * | 1989-01-24 | 1989-12-13 | 大庆石油管理局采油工艺研究所 | Small diameter compression packer |
| CN2367762Y (en) * | 1999-03-29 | 2000-03-08 | 黑龙江省大庆石油管理局采油工艺研究所 | Packer capable of drilling |
| CN2588046Y (en) * | 2002-12-16 | 2003-11-26 | 大庆油田有限责任公司 | Compressing type small diameter packer |
| CN2844418Y (en) * | 2005-11-25 | 2006-12-06 | 张立臣 | Steel umbrella formula sealer |
| CN200940466Y (en) * | 2006-04-27 | 2007-08-29 | 中国石油化工股份有限公司中原油田分公司采油工程技术研究院 | Packer packing element protective bowl |
| CN201269074Y (en) * | 2008-10-23 | 2009-07-08 | 大庆油田有限责任公司 | Minor-diameter drillable packer |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863553A (en) * | 2016-06-20 | 2016-08-17 | 天鼎联创密封技术（北京）有限公司 | Packer element with lower end sealing ring wrapped by two copper sheets, packer and bridge plug |
| CN105888602A (en) * | 2016-06-20 | 2016-08-24 | 天鼎联创密封技术（北京）有限公司 | Rubber sleeve with lower end seal ring covered with opened copper sheet, packer and bridge plug |
| CN106050184A (en) * | 2016-06-20 | 2016-10-26 | 天鼎联创密封技术（北京）有限公司 | Rubber sleeve with lower end sealing ring wrapped with copper sheet, packer and bridge plug |
| CN106050184B (en) * | 2016-06-20 | 2018-11-16 | 天鼎联创密封技术（北京）有限公司 | Packing element, packer and the bridge plug of lower end sealing ring cladding copper sheet |
| CN105863553B (en) * | 2016-06-20 | 2018-12-18 | 天鼎联创密封技术（北京）有限公司 | Lower end sealing ring is coated with the packing element, packer and bridge plug of two panels copper sheet |
| CN105888602B (en) * | 2016-06-20 | 2019-05-03 | 天鼎联创密封技术（北京）有限公司 | Lower end sealing ring is coated with packing element, packer and the bridge plug of opening copper sheet |
| CN107130937A (en) * | 2017-06-30 | 2017-09-05 | 四川达灿石油设备有限公司 | HTHP persistence colloid seal |
| CN107130937B (en) * | 2017-06-30 | 2019-04-23 | 四川达灿石油设备有限公司 | High temperature and pressure persistence colloid sealing element |
| CN112709555A (en) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | Efficient separate-prevention separate-injection tubular column for water injection well and construction method |
| CN112709555B (en) * | 2019-10-24 | 2023-02-21 | 中国石油化工股份有限公司 | Efficient separate-prevention separate-injection tubular column for water injection well and construction method |
| CN111322031A (en) * | 2020-03-29 | 2020-06-23 | 陈玉 | Easy-to-mount combined rubber cylinder bridge plug |
| CN118462097A (en) * | 2024-07-15 | 2024-08-09 | 成都托克密封件有限责任公司 | Underground packing tool |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110427 |