CN212249940U

CN212249940U - Cable-passing packer

Info

Publication number: CN212249940U
Application number: CN202020769262.5U
Authority: CN
Inventors: 翟志军
Original assignee: Tianjin Wante Energy Technology Co ltd
Current assignee: Tianjin Wante Energy Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-29
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a cable-passing through packer, including the packer dabber, both ends are the opening about transversely having seted up eccentric orfice and eccentric orfice on the packer dabber outer wall, set up connecting thread on the both ends mouth inner wall about the eccentric orfice, eccentric orfice port department all is provided with prevents stifled post, prevent stifled post and be in the end department in the eccentric orfice outside encircles the outside arch of mid portion that has cup jointed sealing rubber sleeve and sealing rubber sleeve. The utility model discloses many places are provided with the eccentric orfice on the packer dabber outer wall, and the eccentric orfice both ends are the port that has connecting thread, conveniently rely on connecting thread to connect hydraulic line, pour into liquid or chemical agent into toward the well in to and instrument and meter equipment such as fixed mounting flowmeter, pressure gauge, the monitoring condition in the pit, the eccentric orfice port relies on prevents stifled post and blocks up, prevents that outer end department of stifled post relies on the sealed rubber sleeve to extrude in the eccentric orfice port outside, realizes sealedly.

Description

Cable-passing packer

Technical Field

The utility model relates to an oil field exploitation production string packer technical field specifically is a cable crossing packer.

Background

The downhole tool is provided with an elastic sealing element, and therefore annular spaces between pipe columns with various sizes and a borehole and between the pipe columns are sealed off, a production layer is isolated, production (injection) liquid is controlled, and a casing is protected;

the general packer has the following disadvantages: in oilfield exploitation, sometimes an instrument needs to be hung on a production string to detect formation data of a certain interval, such as temperature, pressure, flow, medium components and the like, and sometimes a certain amount of chemical agents needs to be injected into a packer bypass annulus to obtain a corresponding effect. Conventional packers generally do not perform this function because they are often a through hole from top to bottom, which is a production passage, which does not allow for the suspension of instrumentation, nor for the injection of fluid into the bypass annulus.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cross packer is passed to cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cross cable and pass packer, includes the packer dabber, both ends are the opening about transversely having seted up eccentric orfice and eccentric orfice on the packer dabber outer wall, set up connecting thread on the both ends mouth inner wall about the eccentric orfice, eccentric orfice port department all has been filled in and has prevented stifled post, prevent stifled post and be in the end department in the eccentric orfice outside encircles the outside arch of middle part that has cup jointed sealing rubber sleeve and sealing rubber sleeve.

Preferably, the end of the sealing rubber sleeve close to the eccentric hole is a straight cylinder end, and the diameter of the straight cylinder end of the sealing rubber sleeve is smaller than the inner diameter of the port of the eccentric hole.

Preferably, the end of the anti-blocking column positioned at the outer side of the eccentric hole is fixedly connected with a pull ring.

Preferably, the pull ring is made of hard plastic.

Preferably, the anti-blocking column is located a fixing rod horizontally and fixedly connected to the lower side of the end outside the eccentric hole, a penetrating ring is fixedly connected to the outer wall of the mandrel of the packer at the position of the port of the eccentric hole, the fixing rod penetrates through the penetrating ring, and the tail end of the fixing rod is distributed around the annular rubber sheet fixedly connected with and in equal distance with the annular rubber sheet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the eccentric orfice is provided with in many places on the packer dabber outer wall, and the eccentric orfice both ends are the port that has connecting thread, conveniently rely on connecting thread connection hydraulic line, inject into liquid or chemical agent into the well to and instrument and meter equipment such as fixed mounting flowmeter, pressure gauge, monitor the condition in the pit;

2. the utility model discloses the eccentric orfice port relies on preventing stifled post and blocks up, prevents that outer end department of stifled post relies on the sealing rubber cover to extrude in the eccentric orfice port outside, realizes sealedly, and prevents that the dead lever of stifled columnar connection alternates on the wearing ring of packer dabber outer wall to the annular sheet rubber of dead lever end equidistance distribution relies on the extrusion to produce the resilience force in the inboard deformation of wearing ring, keeps the dead lever fixed, thereby makes to prevent that stifled post is firm to be in the eccentric orfice port.

Drawings

Fig. 1 is a schematic view of the overall structure of the cable crossing packer of the present invention;

FIG. 2 is an enlarged structural view of the connection between the anti-blocking column and the eccentric hole of the cable crossing packer of the present invention;

fig. 3 is the utility model relates to a cross cable and cross anti-blocking post in the packer and the right side view structure picture that the cooperation of sealing rubber cover is connected.

In the figure: 1. a packer mandrel; 2. an eccentric hole; 3. connecting threads; 4. an anti-blocking column; 5. sealing the rubber sleeve; 6. a pull ring; 7. fixing the rod; 8. looping; 9. an annular rubber sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cable crossing packer comprises a packer mandrel 1, wherein an eccentric hole 2 is transversely formed in the outer wall of the packer mandrel 1, the left end and the right end of the eccentric hole 2 are both opened, meanwhile, the eccentric hole 2 is formed in multiple positions on the outer wall of the packer mandrel 1, an eccentric hole extends from one end of the packer mandrel 1 to the other end, connecting threads 3 are formed in the inner walls of the left port and the right port of the eccentric hole 2, the connecting threads 3 are conveniently connected with a hydraulic pipeline, liquid or chemical agents are injected into a well, instrument and meter equipment such as a flowmeter and a pressure meter are fixedly installed, and the underground condition is monitored; the ports of the eccentric holes 2 are all plugged with anti-blocking columns 4, and the anti-blocking columns 4 are used for preventing the ports of the eccentric holes 2 from being blocked; prevent that the end department that stifled post 4 is in the eccentric orfice 2 outside encircles and has cup jointed the outside arch of middle part of sealing rubber sleeve 5 and sealing rubber sleeve 5, when preventing that stifled post 4 fills in the eccentric orfice 2 port in, make sealing rubber sleeve 5 extrude 2 port outside border departments in the eccentric orfice for the realization is sealed the port of eccentric orfice 2.

The end of the sealing rubber sleeve 5 close to the eccentric hole 2 is a straight cylinder end and the diameter of the straight cylinder end of the sealing rubber sleeve 5 is smaller than the inner diameter of the port of the eccentric hole 2, the straight cylinder end of the sealing rubber sleeve 5 is convenient to penetrate through the port of the eccentric hole 2, and then the protruding part of the sealing rubber sleeve 5 is conveniently extruded.

The end of the anti-blocking column 4 positioned outside the eccentric hole 2 is fixedly connected with a pull ring 6, and the pull ring 6 is convenient for a user to pull out the anti-blocking column 4 from the eccentric hole 2.

The pull ring 6 is made of hard plastic, so that the pull ring is convenient to pull.

Prevent that stifled post 4 is in end downside horizontal fixedly connected with dead lever 7 in the 2 outsides of eccentric orkings, fixedly connected with wears ring 8 and dead lever 7 alternates in wearing ring 8 on the packer dabber 1 outer wall of 2 ports of eccentric orkings position, the end head department of dead lever 7 encircles fixedly connected with annular sheet rubber 9 and annular sheet rubber 9 equidistance and distributes, and be in and wear ring 8 inboard annular sheet rubber 9 and be in the extrusion deformation state, annular sheet rubber 9 relies on the extrusion to wear ring 8 inboard deformation production resilience force, it is fixed to keep dead lever 7, thereby make and prevent stifled post 4 and stabilize and be in 2 ports of eccentric orkings.

The working principle is as follows: the utility model discloses a many places are provided with eccentric orfice 2 on 1 outer wall of packer dabber, 2 both ends of eccentric orfice are the port that has connecting thread 3, conveniently rely on connecting thread 3 to connect and connect hydraulic line, pour into liquid or chemical agent toward the well in, and the fixed mounting flowmeter, instrument and meter equipment such as pressure gauge, the monitoring condition in the pit, and 2 ports of idle eccentric orfice rely on preventing stifled post 4 and block, prevent that 4 outer end departments of stifled post rely on 5 extrusion in the 2 port outsides of eccentric orfice of sealing rubber sleeve, realize sealedly, and prevent that dead lever 7 that stifled post 4 is connected alternates on wearing ring 8 of 1 outer wall of packer dabber, and annular rubber piece 9 that 7 end equidistance distributes relies on the extrusion to produce the resilience in 8 inboard deformations of wearing ring, it is fixed to keep dead lever 7, thereby make and prevent that stifled post.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable crossing packer comprising a packer mandrel (1), characterized in that: both ends are the opening about eccentric orfice (2) and eccentric orfice (2) have transversely been seted up on packer dabber (1) outer wall, connecting thread (3) have been seted up on the both ends mouth inner wall about eccentric orfice (2), eccentric orfice (2) port department all is provided with prevents stifled post (4), prevent stifled post (4) and be in the end department in the eccentric orfice (2) outside encircles the mid portion that has cup jointed sealing rubber cover (5) and outwards protrudes.

2. A cable transit packer as claimed in claim 1, wherein: the end of the sealing rubber sleeve (5) close to the eccentric hole (2) is a straight cylinder end, and the diameter of the straight cylinder end of the sealing rubber sleeve (5) is smaller than the inner diameter of the port of the eccentric hole (2).

3. A cable transit packer as claimed in claim 1, wherein: the anti-blocking column (4) is fixedly connected with a pull ring (6) on the end head of the outer side of the eccentric hole (2).

4. A cable transit packer as claimed in claim 3, wherein: the pull ring (6) is made of hard plastic.

5. A cable transit packer as claimed in claim 1, wherein: the anti-blocking column (4) is located at the horizontal fixedly connected fixing rod (7) at the lower side of the end outside the eccentric hole (2), the position of the port of the eccentric hole (2) is fixedly connected with a penetrating ring (8) on the outer wall of the packer mandrel (1), the fixing rod (7) penetrates through the penetrating ring (8), and the tail end of the fixing rod (7) surrounds a fixedly connected annular rubber sheet (9).