CN108005607A - Hydraulic packer - Google Patents
Hydraulic packer Download PDFInfo
- Publication number
- CN108005607A CN108005607A CN201610927642.5A CN201610927642A CN108005607A CN 108005607 A CN108005607 A CN 108005607A CN 201610927642 A CN201610927642 A CN 201610927642A CN 108005607 A CN108005607 A CN 108005607A
- Authority
- CN
- China
- Prior art keywords
- central tube
- cone
- piston
- contact
- anchor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
- E21B33/1285—Packers; Plugs with a member expanded radially by axial pressure by fluid pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
- E21B33/1295—Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure
Abstract
The present invention relates to oilfield drilling and production technology field, more particularly to a kind of hydraulic packer, including top connection, central tube, anchor body, upper anchor fluke, block, lower anchor fluke, outer barrel, piston, exterior central tube, upper cone, packing element, lower cone, slip spider, slips, lower contact；The top connection is connected with the central tube, the anchor body is installed on the central tube top, the upper anchor fluke and lower anchor fluke are respectively placed in the anchor body, the exterior central tube is sleeved in the middle part of the central tube, the lower part of the piston is contacted with the upper cone, the lower part of packing element and the upper contact of the lower cone, the lower part of lower cone and the upper contact of the slip spider, the lower part of lower contact is connected with the lower thread of the central tube.The present apparatus does that card is quick close, and when central tube is suppressed, liquid passes through the gap of central tube, by exterior central tube, promotes piston to move down.Piston promotes centrum to move down, and compresses packing element, meanwhile, slip spider struts slips, and card is made in realization.
Description
Technical field
The present invention relates to oilfield drilling and production technology field, more particularly to a kind of hydraulic packer.
Background technology
There is leakage phenomena in oil well casing casing caused by the reasons such as cementing quality, connection screw thread, ground movement, corrosion,
Unfavorable factor is brought to oil well measure construction and influences crude output.Once leakage situation occurs in the non-payzone of oil well, implementing to repair
Leakage points are must determine before multiple, are now verified that the method for casing leakage point generally uses hydraulic packer, are sealed in payzone with upper bit
Oil jacket annular space is closed, casing is verified by casing pressuring method.But existing a few money hydraulic packers are tested set in implementation and are applied
During work, there is unfavorable factor in varying degrees, causes construction to have some setbacks, it is impossible to accurately judge leak position problem.
Such as：Slip type hydraulic packer：Because slip type hydraulic packer by above putting puts tubing string, behind conversion slips track
Seat card forms fulcrum, using discharge tubing string suspending weight compression packing element it is setting, but such a hydraulic packer be not suitable for verify leakage points away from
The shallower and deeper position construction of well head, it is setting bad caused by tubing string suspending weight deficiency when shallow-layer is constructed, because of card when deep layer is constructed
Watt contrail difficulty, causes setting difficulty.Particularly the above problem is especially prominent in horizontal well and high angle hole.
The content of the invention
It is an object of the invention to overcome the shortcomings of above-mentioned technology, and a kind of hydraulic packer is provided, suitable for shallow-layer seat
Envelope, it is setting easy.
The present invention to achieve the above object, using following technical scheme：A kind of hydraulic packer, it is characterised in that：Including
Top connection, central tube, anchor body, upper anchor fluke, block, lower anchor fluke, outer barrel, piston, exterior central tube, upper cone, packing element, lower cone
Body, slip spider, slips, lower contact；The top connection is connected with the central tube, and the anchor body is installed on the central tube
Portion, the upper anchor fluke and lower anchor fluke are respectively placed in the anchor body, are positioned between upper anchor fluke and lower anchor fluke by the block,
The outer barrel is connected with the lower part of the anchor body, and the exterior central tube is sleeved in the middle part of the central tube, and the piston is placed in institute
State between outer barrel and the exterior central tube and be slidably matched with the two, the central tube and exterior central tube are equipped with and the piston
The corresponding through hole in bottom, the lower part of the piston are contacted with the upper cone, the lower part of the upper cone and the packing element
Upper contact, the lower part of the packing element and the upper contact of the lower cone, the lower part of the lower cone and the slip spider
Upper contact, the lower part of the slip spider coordinate with the slips, the lower part of the slips and the upper contact of the lower contact,
The lower part of the lower contact is connected with the lower thread of the central tube.
The beneficial effects of the invention are as follows:It is quick close that the present apparatus makees card, and when central tube is suppressed, liquid is through central tube
Gap, by exterior central tube, promotes piston to move down.Piston promotes centrum to move down, and compresses packing element, meanwhile, slip spider struts slips,
Card is made in realization.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the working state schematic representation of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the preferred embodiment embodiment that the present invention will be described in detail.As depicted in figs. 1 and 2,
A kind of hydraulic packer, including top connection 1, central tube 2, anchor body 3, upper anchor fluke 4, block 5, lower anchor fluke 6, outer barrel 7, piston 8,
Exterior central tube 9, upper cone 10, packing element 11, lower cone 12, slip spider 13, slips 14, lower contact 15；The top connection with it is described
Central tube connects, and the anchor body is installed on the central tube top, and the upper anchor fluke and lower anchor fluke are respectively placed in the anchor sheet
In body, positioned between upper anchor fluke and lower anchor fluke by the block, the outer barrel is connected with the lower part of the anchor body, described outer
Central tube is sleeved in the middle part of the central tube, and the piston is placed between the outer barrel and the exterior central tube and matches somebody with somebody with the two slip
Close, the central tube and exterior central tube be equipped with the corresponding through hole of the piston base, the lower part of the piston with it is described
Upper cone contacts, the lower part of the upper cone and the upper contact of the packing element, the lower part of the packing element and the lower cone
Upper contact, the lower part of the lower cone and the upper contact of the slip spider, the lower part of the slip spider is matched somebody with somebody with the slips
Close, the lower part of the slips and the upper contact of the lower contact, the lower part of the lower contact and the lower part spiral shell of the central tube
Line connects.
The present apparatus does that card is quick close, and when central tube is suppressed, liquid passes through the gap of central tube, by exterior central tube,
Piston is promoted to move down.Piston promotes centrum to move down, and compresses packing element, meanwhile, slip spider struts slips, and card is made in realization.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (1)
- A kind of 1. hydraulic packer, it is characterised in that：Including top connection, central tube, anchor body, upper anchor fluke, block, lower anchor fluke, Outer barrel, piston, exterior central tube, upper cone, packing element, lower cone, slip spider, slips, lower contact；The top connection and the center Pipe connects, and the anchor body is installed on the central tube top, and the upper anchor fluke and lower anchor fluke are respectively placed in the anchor body, Positioned between upper anchor fluke and lower anchor fluke by the block, the outer barrel is connected with the lower part of the anchor body, the outer center In the middle part of the central tube, the piston is placed between the outer barrel and the exterior central tube and is slidably matched with the two pipe sleeve, The central tube and exterior central tube are equipped with and the corresponding through hole of the piston base, the lower part of the piston and the epicone Body contacts, the lower part of the upper cone and the upper contact of the packing element, the lower part of the packing element and the top of the lower cone Contact, the lower part of the lower cone and the upper contact of the slip spider, the lower part of the slip spider coordinate with the slips, institute The lower part of slips and the upper contact of the lower contact are stated, the lower part of the lower contact and the lower thread of the central tube connect Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610927642.5A CN108005607A (en) | 2016-10-31 | 2016-10-31 | Hydraulic packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610927642.5A CN108005607A (en) | 2016-10-31 | 2016-10-31 | Hydraulic packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005607A true CN108005607A (en) | 2018-05-08 |
Family
ID=62047166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610927642.5A Pending CN108005607A (en) | 2016-10-31 | 2016-10-31 | Hydraulic packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108005607A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331959A (en) * | 2019-07-31 | 2019-10-15 | 西南石油大学 | A kind of capping tools |
-
2016
- 2016-10-31 CN CN201610927642.5A patent/CN108005607A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331959A (en) * | 2019-07-31 | 2019-10-15 | 西南石油大学 | A kind of capping tools |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180508 |
|
| WD01 | Invention patent application deemed withdrawn after publication |