CN202596661U - High temperature and high pressure resistant quick drillable composite bridge plug - Google Patents
High temperature and high pressure resistant quick drillable composite bridge plug Download PDFInfo
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- CN202596661U CN202596661U CN 201220158001 CN201220158001U CN202596661U CN 202596661 U CN202596661 U CN 202596661U CN 201220158001 CN201220158001 CN 201220158001 CN 201220158001 U CN201220158001 U CN 201220158001U CN 202596661 U CN202596661 U CN 202596661U
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- bridge plug
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Abstract
The utility model discloses a high temperature and high pressure resistant quick drillable composite bridge plug, which is a tool made of high-performance drillable composite material and used for realizing multi-layer plugging continuous operation, and consists of upper and lower slips mounted on the central body of the bridge plug in a sleeving manner, upper and lower cones, upper and lower external composite sheets, upper and lower internal composite sheets, upper and lower external rubber barrels, an internal rubber barrel as well as upper and lower joints connected with the two ends of the central body. The high temperature and high pressure resistant quick drillable composite bridge plug can realize the multi-purpose layer fracture acidizing technology, is not limited by the sectioned fracture layer number, has simple and compact tool tubular column, has little possibility of sand jamming, and is quick to unplug. After the drilling and milling of the bridge plug is completed, and the smoothness in the shaft can be ensured, thereby facilitating the tripping-in operation of the follow-up technological tubular column and later stage well workover.
Description
Technical field
The utility model relates to the compound bridging plug of the quick drillable of a kind of high temperature high voltage resistant, belongs to the oil and gas exploitation technical field.
Background technology
Shale gas will realize that industrialization breaks through in the future, and technology such as the evaluation of geology constituency, RESERVOIR RECOGNITION, horizontal well in segments fracturing reform are the key breakthrough mouths.The exploitation of following shale gas will mainly be to lean on slimhole drilling and barefoot completion in advance to reduce engineering cost, lean on the horizontal well in segments fracturing technique to improve well yield, lean on the development mode of long horizontal segment horizontal well prolongation oil gas well production cycle, realize that finally the benefit of shale gas is developed.
The separate stratum fracfturing technology has become the important means of producing in the increasing the storage of low-permeability oil gas reservoir at present.In the underground work technology, seal is the very important flow chart that layer and the discarded layer of sealing etc. are done in formation testing by layer, separate stratum fracfturing acidifying, selective sand control, seperated layer water injection, layerwise production and shut off water, sealing.Bridging plug seal technology has become an extensive use and has constantly developed and perfect seal technology.
There is easy card in metal bridging plug commonly used at present, bores shortcomings such as milling difficulty; Especially for technologies such as the separate stratum fracfturing of inclined shaft, horizontal well, acidifying, shutoff water; Owing to receive the influence of its exceptional well body structure; When this type well carries out milling at releasing metal bridging plug bridge blinding, be prone to take place problems such as bit freezing, the back that goes wrong deals with complicacy than straight well.
The utility model content
The purpose of the utility model is to provide the quick drillable of a kind of high temperature high voltage resistant compound bridging plug, is that a kind of high-performance that adopts can be bored the instrument that composite material realizes that the multilayer shutoff is worked continuously.
The concrete technical scheme of the utility model is following:
On the centerbody of the compound bridging plug of the quick drillable of high temperature high voltage resistant; Connect upper slips, upper cone from top to bottom successively, go up outer composite sheet, go up in composite sheet, go up outer packing element, interior packing element, outer packing element, following interior composite sheet, following outer composite sheet, lower cone and lower slips down, top connection and lower contact are threadedly connected to the centerbody upper and lower end respectively;
The upper slips inner conical surface fits tightly the upper cone male cone (strobilus masculinus), and the lower slips inner conical surface fits tightly the lower cone male cone (strobilus masculinus), is equipped with shear pin in upper cone and the lower cone; Go up outer composite sheet and last interior composite sheet attaching combination, outer composite sheet attaches combination with following interior composite sheet down; The composite sheet inner conical surface fits tightly outer packing element male cone (strobilus masculinus) in going up, and down interior composite sheet inner conical surface fits tightly down outer packing element male cone (strobilus masculinus); Go up outer packing element inner conical surface and fit tightly male cone (strobilus masculinus) on the interior packing element, male cone (strobilus masculinus) under the packing element in outer packing element inner conical surface fits tightly down.
The compound bridging plug of the quick drillable of the utility model high temperature high voltage resistant is that a kind of high-performance that adopts can bore composite material, can realize the instrument that the multilayer shutoff is worked continuously, and during application, is fed to the space below the shutoff target zone position, precalculated position; After instrument to be lowered to is removed; Can implement the fracture acidizing technology of target zone, the intact continued of pressure break is lowered to this bridging plug, implements the shutoff of another target zone; And the like; After all target zones have been constructed, can be lowered to and bore the grinder tool, grind off the compound bridging plug of all drillables that are lowered to.
The compound bridging plug of the quick drillable of the utility model high temperature high voltage resistant can be realized the fracture acidizing technology of many target zones position, does not receive the restriction of the staged fracturing number of plies, tool tubular column compact, is difficult for causing the sand card, to remove shutoff quick.Bridging plug can guarantee that pit shaft is unimpeded after boring and having milled, and is convenient to that the subsequent technique tubing string is lowered to and the later stage well workover.
Description of drawings
Accompanying drawing is the structural representation of the compound bridging plug of the quick drillable of high temperature high voltage resistant.
The specific embodiment
Embodiment:
Embodiment to the utility model further specifies with reference to accompanying drawing:
The compound bridging plug of the quick drillable of the utility model high temperature high voltage resistant is mainly used in plugged zone position in the underground work technology, and seal is the very important flow chart that layer and the discarded layer of sealing etc. are done in formation testing by layer, separate stratum fracfturing acidifying, selective sand control, seperated layer water injection, layerwise production and shut off water, sealing.
On the compound bridging plug centerbody 13 of the quick drillable of high temperature high voltage resistant; Connect upper slips 2, upper cone 3 from top to bottom successively, go up outer composite sheet 4, go up in composite sheet 5, go up outer packing element 6, interior packing element 7, down outer packing element 8, down interior composite sheet 9, following outer composite sheet 10, lower cone 11 and lower slips 12, top connection 1 and lower contact 14 are threadedly connected to centerbody 13 upper and lower ends respectively;
In the present envelope process, after the compound bridging plug of the quick drillable of high temperature high voltage resistant was run into appointed positions, seat envelope instrument promoted upper slips 2 downwards, and upper cone 3 promotes packing element and moves down under the effect of power, and exerting all one's strength is delivered to lower cone 11; When power reached design load, upper cone 3 was almost cut off with lower cone 11 pins simultaneously, so upper slips 2 opens seat with lower slips 12 and is enclosed on the internal surface of sleeve pipe, entire tool seat envelope is accomplished.
The compound bridging plug tool performance of the quick drillable of the utility model high temperature high voltage resistant index is following:
(1) pressure rating: 70MPa;
(2) temperature grade: 120 ℃;
(3) bridging plug be fit to 4 1/2 ", 5 ", 5 1/2 " sleeve pipes;
(4) bore time consuming less than 30min.
Claims (1)
1. compound bridging plug of the quick drillable of high temperature high voltage resistant is characterized in that:
On centerbody (13); Connect upper slips (2), upper cone (3) from top to bottom successively, go up outer composite sheet (4), go up in composite sheet (5), go up outer packing element (6), interior packing element (7), outer packing element (8), following interior composite sheet (9), following outer composite sheet (10), lower cone (11) and lower slips (12) down, top connection (1) and lower contact (14) are threadedly connected to centerbody (13) upper and lower end respectively;
Upper slips (2) inner conical surface fits tightly upper cone (3) male cone (strobilus masculinus), and lower slips (12) inner conical surface fits tightly lower cone (11) male cone (strobilus masculinus), is equipped with shear pin in upper cone (3) and the lower cone (11); Go up outer composite sheet (4) and last interior composite sheet (5) attaching combination, outer composite sheet (10) attaches combination with following interior composite sheet (9) down; Composite sheet (5) inner conical surface fits tightly outer packing element (6) male cone (strobilus masculinus) in going up, and down interior composite sheet (9) inner conical surface fits tightly down outer packing element (8) male cone (strobilus masculinus); Go up outer packing element (6) inner conical surface and fit tightly upward male cone (strobilus masculinus) of interior packing element (7), outer packing element (8) inner conical surface fits tightly male cone (strobilus masculinus) under the interior packing element (7) down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220158001 CN202596661U (en) | 2012-04-13 | 2012-04-13 | High temperature and high pressure resistant quick drillable composite bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220158001 CN202596661U (en) | 2012-04-13 | 2012-04-13 | High temperature and high pressure resistant quick drillable composite bridge plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202596661U true CN202596661U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220158001 Expired - Fee Related CN202596661U (en) | 2012-04-13 | 2012-04-13 | High temperature and high pressure resistant quick drillable composite bridge plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202596661U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775788A (en) * | 2014-01-10 | 2015-07-15 | 北京玻钢院复合材料有限公司 | High-temperature and high-pressure resistant quick drillable composite material bridge plug with combined sealing structure |
| CN104989317A (en) * | 2015-06-16 | 2015-10-21 | 中国石油天然气股份有限公司 | Bridge plug for fracturing of casing pipe |
| CN105201450A (en) * | 2014-06-19 | 2015-12-30 | 中国石油化工股份有限公司 | Bridge plug |
| CN105275427A (en) * | 2014-06-19 | 2016-01-27 | 中国石油化工股份有限公司 | Composite bridge plug |
| CN105484699A (en) * | 2015-12-07 | 2016-04-13 | 中国石油天然气股份有限公司 | Drilling and milling-free bridge plug for fracturing |
| CN105756616A (en) * | 2014-12-17 | 2016-07-13 | 中国石油天然气股份有限公司 | Bridge plug assembly |
| CN105888606A (en) * | 2016-04-29 | 2016-08-24 | 陕西艾瑞斯新材料科技有限公司 | Fast drilling bridge plug made of composite material |
| CN112012691A (en) * | 2020-09-15 | 2020-12-01 | 中国石油天然气股份有限公司 | High-pressure-resistant rapid drilling plugging bridge plug capable of achieving multistage milling |
-
2012
- 2012-04-13 CN CN 201220158001 patent/CN202596661U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775788A (en) * | 2014-01-10 | 2015-07-15 | 北京玻钢院复合材料有限公司 | High-temperature and high-pressure resistant quick drillable composite material bridge plug with combined sealing structure |
| CN105201450A (en) * | 2014-06-19 | 2015-12-30 | 中国石油化工股份有限公司 | Bridge plug |
| CN105275427A (en) * | 2014-06-19 | 2016-01-27 | 中国石油化工股份有限公司 | Composite bridge plug |
| CN105275427B (en) * | 2014-06-19 | 2018-05-29 | 中国石油化工股份有限公司 | A kind of composite bridge plug |
| CN105201450B (en) * | 2014-06-19 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of bridge plug |
| CN105756616A (en) * | 2014-12-17 | 2016-07-13 | 中国石油天然气股份有限公司 | Bridge plug assembly |
| CN104989317A (en) * | 2015-06-16 | 2015-10-21 | 中国石油天然气股份有限公司 | Bridge plug for fracturing of casing pipe |
| CN105484699A (en) * | 2015-12-07 | 2016-04-13 | 中国石油天然气股份有限公司 | Drilling and milling-free bridge plug for fracturing |
| CN105888606A (en) * | 2016-04-29 | 2016-08-24 | 陕西艾瑞斯新材料科技有限公司 | Fast drilling bridge plug made of composite material |
| CN112012691A (en) * | 2020-09-15 | 2020-12-01 | 中国石油天然气股份有限公司 | High-pressure-resistant rapid drilling plugging bridge plug capable of achieving multistage milling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20210413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |