CN206144522U - Setting tool is pressed to biliquid - Google Patents
Setting tool is pressed to biliquid Download PDFInfo
- Publication number
- CN206144522U CN206144522U CN201621181975.XU CN201621181975U CN206144522U CN 206144522 U CN206144522 U CN 206144522U CN 201621181975 U CN201621181975 U CN 201621181975U CN 206144522 U CN206144522 U CN 206144522U
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- Prior art keywords
- sealing
- center tube
- upper portion
- seal
- threaded connection
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Abstract
The utility model relates to an oil well drilling and production technology field especially relates to a setting tool is pressed to biliquid, including top connection, solid fixed ring, upper seal sealed in, go up center tube, urceolus, lower seal, lower clutch, time center tube and pin, the top connection is passed through the pin is connected with solid fixed ring's upper portion, the upper portion that sealed in, on the upper portion of upper seal and the lower part threaded connection of top connection, the lower part of upper seal and the upper portion threaded connection of last center tube and gu fixed ring's lower part threaded connection in, sealed lower part with the upper portion threaded connection of urceolus, the upper portion of going up the center tube has the through -hole, goes up the through -hole and is located between the lower seal of upper seal box, go up the lower part of center tube and the upper portion threaded connection of lower seal, the lower part of lower seal with down connector thread connects, the upper portion of lower center tube with the lower part threaded connection of lower seal, the upper portion of center tube is equipped with down the through -hole down. It is balanced that the lower piston is gone up to this device, and the seat seals steadily, and the seat power of sealing is reliable.
Description
Technical field
The utility model is related to oilfield drilling and production technology field, more particularly to a kind of Double-hydraulic setting tool.
Background technology
During In Oil Field Exploration And Development, especially layer is adopted in formation testing, underground work, oil-gas Layer transformation, formation testing, note
In the work progress such as position adjustment, it is often necessary to which clear down-hole plugging instrument carries out provisional or permanent envelope to oil, gas and water layer
It is stifled.Hydraulic-pressure bridge plug is a kind of recyclable capping tools therein.During plugging construction, by it down to down-hole precalculated position, by ground
Control is setting, realizes the closure to target zone.
Setting tool of the prior art is all that single hydraulic pressure is set, and the situation for setting shakiness usually occurs, is affected
The use of follow-up packer.
Utility model content
The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, and provides a kind of Double-hydraulic setting tool, is easy to
Go into the well, set steady.
The utility model for achieving the above object, is employed the following technical solutions：A kind of Double-hydraulic setting tool, its feature exists
In：Including top connection, retainer ring, upper sealing, middle sealing, upper center tube, outer tube, lower sealing, lower contact, lower center tube and pin
Nail；The top connection is connected by the pin with the top of the retainer ring, top and the top connection of the upper sealing
Lower thread connection, the bottom of the upper sealing is threadedly coupled with the top of the upper center tube, the outside of upper sealing and institute
State the inwall tight sealing engagement of retainer ring, the top of the middle sealing is connected with the lower thread of the retainer ring, it is described in it is close
The bottom of envelope is threadedly coupled with the top of the outer tube, middle sealing and the outer wall tight sealing engagement of the upper center tube, it is described on
The top of central tube carries upper through hole, and upper through hole is located under the upper seal box between sealing；The bottom of the upper center tube with
The top threaded connection of the lower sealing, the bottom of the lower sealing is threadedly coupled with the lower contact, the lower contact and institute
The outer wall for stating lower center tube is slidably matched, and the top of the lower center tube is connected with the lower thread of the lower sealing, it is described under
The top of central tube is provided with lower through-hole.
Preferably, it is provided with the first sealing ring between the upper sealing and the retainer ring.
Preferably, it is provided with the second sealing ring between the middle sealing and the upper center tube.
Preferably, it is provided with the 3rd sealing ring between the lower sealing and the outer tube.
Preferably, the 4th sealing ring is provided between the lower contact and the lower center tube.
The beneficial effects of the utility model are:Being connected and disconnected from for the instruments such as this instrument and packer is simple.Pitching
Afterwards, suppress from upper center tube, liquid is moved downward into sealing in the promotion of gap and lower contact, and pin is cut off, retainer ring and outer
Cylinder promotes bridging plug simultaneously, realizes setting.Upper lower piston balance, setting steady, setting power reliability.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is that the utility model sets view.
Specific embodiment
Below in conjunction with the accompanying drawings and preferred embodiment describes specific embodiment of the present utility model in detail.Such as Fig. 1 and Fig. 2 institutes
Show, a kind of Double-hydraulic setting tool, including top connection 1, retainer ring 2, it is upper sealing 3, it is middle sealing 4, upper center tube 5, outer tube 6, under
Sealing 7, lower contact 8, lower center tube 9 and pin 10；The top connection is connected by the pin with the top of the retainer ring
Connect, the top of the upper sealing is connected with the lower thread of the top connection, bottom and the upper center tube of the upper sealing
Top threaded connection, the inwall tight sealing engagement of the outside of upper sealing and the retainer ring, the top of the middle sealing and institute
State the lower thread connection of retainer ring, the bottom of the middle sealing be threadedly coupled with the top of the outer tube, it is middle seal with it is described
The outer wall tight sealing engagement of upper center tube, the top of the upper center tube carries upper through hole, and upper through hole is located at the upper seal box
Between lower sealing；The bottom of the upper center tube is threadedly coupled with the top of the lower sealing, the bottom of the lower sealing and institute
State lower contact threaded connection, the lower contact is slidably matched with the outer wall of the lower center tube, the top of the lower center tube with
The lower thread connection of the lower sealing, the top of the lower center tube is provided with lower through-hole.
The first sealing ring is provided between the upper sealing and the retainer ring.Between the middle sealing and the upper center tube
It is provided with the second sealing ring.The 3rd sealing ring is provided between the lower sealing and the outer tube.The lower contact and the lower center
The 4th sealing ring is provided between pipe.
Being connected and disconnected from for the instruments such as this instrument and packer is simple.After pitching, suppress from upper center tube, liquid enters
Enter sealing and lower contact during gap promotes to move downward, pin is cut off, and retainer ring and outer tube promote bridging plug simultaneously, realize setting.
Upper lower piston balance, setting steady, setting power reliability.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (5)
1. a kind of Double-hydraulic setting tool, it is characterised in that：Including top connection, retainer ring, upper sealing, middle sealing, upper center tube,
Outer tube, lower sealing, lower contact, lower center tube and pin；The top that the top connection passes through the pin and the retainer ring
Connection, the top of the upper sealing is connected with the lower thread of the top connection, the bottom of the upper sealing and the upper center
The top threaded connection of pipe, the inwall tight sealing engagement of the outside of upper sealing and the retainer ring, the top of the middle sealing with
The lower thread connection of the retainer ring, the bottom of the middle sealing is threadedly coupled with the top of the outer tube, middle sealing and institute
The outer wall tight sealing engagement of upper center tube is stated, the top of the upper center tube carries upper through hole, and upper through hole is located at the upper sealing
Between sealing under box；The bottom of the upper center tube is threadedly coupled with the top of the lower sealing, the bottom of the lower sealing with
The lower contact threaded connection, the lower contact is slidably matched with the outer wall of the lower center tube, the top of the lower center tube
It is connected with the lower thread of the lower sealing, the top of the lower center tube is provided with lower through-hole.
2. Double-hydraulic setting tool according to claim 1, it is characterised in that：Between the upper sealing and the retainer ring
It is provided with the first sealing ring.
3. Double-hydraulic setting tool according to claim 1, it is characterised in that：It is described it is middle sealing and the upper center tube it
Between be provided with the second sealing ring.
4. Double-hydraulic setting tool according to claim 1, it is characterised in that：Set between the lower sealing and the outer tube
There is the 3rd sealing ring.
5. Double-hydraulic setting tool according to claim 1, it is characterised in that：The lower contact and the lower center tube it
Between be provided with the 4th sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181975.XU CN206144522U (en) | 2016-10-27 | 2016-10-27 | Setting tool is pressed to biliquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181975.XU CN206144522U (en) | 2016-10-27 | 2016-10-27 | Setting tool is pressed to biliquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206144522U true CN206144522U (en) | 2017-05-03 |
Family
ID=58624085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621181975.XU Active CN206144522U (en) | 2016-10-27 | 2016-10-27 | Setting tool is pressed to biliquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206144522U (en) |
-
2016
- 2016-10-27 CN CN201621181975.XU patent/CN206144522U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200514 Address after: Room 103-19, No. 16, Fuhe Road, baigutun Town, Wuqing District, Tianjin Patentee after: Zhongyan (Tianjin) energy equipment Co., Ltd Address before: 300350 Tianjin city Jinnan District gegu town Fuhai Park No. 11 Building 2 202 Patentee before: TIANJIN HUIZHU PETROLEUM EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |