CN217206391U

CN217206391U - Large-drift-diameter drillable packer

Info

Publication number: CN217206391U
Application number: CN202220972950.0U
Authority: CN
Inventors: 杨春军; 孙胜平; 卫文博; 张晓卫; 张晓辉; 焦鹏辉
Original assignee: Shaanxi Yinhe Oil Gas Engineering Technology Services Co ltd
Current assignee: Shaanxi Yinhe Oil Gas Engineering Technology Services Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-16
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a packer can be bored to big latus rectum, including packer body, disassembly body and damping device, the outside of packer body is provided with disassembly body, disassembly body's the outside is provided with damping device, damping device includes four damping shock absorbers that set up in the packer body outside, damping shock absorber is close to the one end fixed mounting of packer body have with the buffer board of packer body looks butt. This packer can be bored to big latus rectum, through being provided with damping shock absorber, alright carry out the fast buffering to the vibrations power that the buffer board produced, thereby eliminate the damage that vibrations power caused to the packer body, so wholly realized that the packer body possesses the effect that protecting effect is good, through the mating reaction of threaded rod and inserted bar in disassembly body afterwards under, spacing fixed effect has been played to the protection casing, thereby make things convenient for the staff follow-up to carry out the dismouting change to damping device, and then improved the availability factor of packer body greatly.

Description

Large-drift-diameter drillable packer

Technical Field

The utility model relates to a packer technical field specifically is big latus rectum drillable packer.

Background

The packer is a downhole tool which is connected to a downhole tubular column and used for packing and isolating an oil pipe and an oil and gas well casing or an open hole well wall annular space.

The packer is widely applied to well drilling, well cementing, testing, well completion, water injection, downhole operation and the like, and the traditional packer has poor protection effect, so that the packer is easily damaged due to the influence of external force, the service life of the packer is prolonged, and certain overhaul cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a packer can be bored to big latus rectum possesses the advantage that the protecting effect is good, thereby has solved traditional packer protecting effect relatively poor easily because of receiving exogenic action's influence reduction packer life's problem.

The utility model provides a following technical scheme: big latus rectum packer that can bore, including packer body, disassembly body and damping device, the outside of packer body is provided with disassembly body, disassembly body's the outside is provided with damping device, damping device includes four damping shock absorbers that set up in the packer body outside, the one end fixed mounting that damping shock absorber is close to the packer body has the buffer board with packer body looks butt, the one end fixed mounting that the packer body was kept away from to the buffer board has the bracing piece, the sleeve pipe has been cup jointed in the outside of bracing piece, sheathed tube inside movable mounting has one end and bracing piece fixed connection's sliding block, sheathed tube inside fixed mounting has one end and sliding block fixed connection's second spring.

Further, the disassembly mechanism comprises a mounting plate fixedly mounted at the top of the packer body, and a protective cover with one end fixedly connected with the damping shock absorber and the sleeve is sleeved outside the packer body.

Further, the top fixed mounting of protection casing has the connecting plate, the top fixed mounting of mounting panel has the screwed pipe that quantity is two.

Furthermore, the inside of two screwed pipe all threaded connection have one end to run through the mounting panel and extend to the inside threaded rod of connecting plate.

Furthermore, the equal fixed mounting in the left and right sides of connecting plate has the shell, two the equal movable mounting in inside of shell has the movable rod.

Furthermore, the outer sides of the two movable rods are respectively sleeved with a first spring with one end connected with the shell in an abutting mode, and one side, opposite to the movable rods, of each movable rod is fixedly provided with a piston block.

Furthermore, two equal fixed mounting in the opposite one side of piston block has one end to run through shell and connecting plate in proper order and extend to the inside inserted bar of threaded rod.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this packer can be bored to big latus rectum, through be provided with damping shock absorber in damping device, second spring and buffer board, alright carry out the fast buffering to the vibrations power that the buffer board produced, thereby eliminate the damage that vibrations power led to the fact the packer body, so whole packer body that has realized possesses the effect that the protecting effect is good, afterwards through in the disassembly mechanism under the mating reaction of threaded rod and inserted bar, spacing fixed effect has been played to the protection casing, thereby make things convenient for the staff follow-up dismouting change to damping device, and then the availability factor of packer body has been improved greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 100. a packer body; 200. a disassembly mechanism; 201. mounting a plate; 202. a protective cover; 203. a connecting plate; 204. a threaded pipe; 205. a threaded rod; 206. a housing; 207. a movable rod; 208. a first spring; 209. a piston block; 210. inserting a rod; 300. a damping device; 301. a damping shock absorber; 302. a sleeve; 303. a second spring; 304. a slider; 305. a support bar; 306. a buffer plate.

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 to 3, the large-drift-diameter drillable packer in the embodiment includes a packer body 100, a dismounting mechanism 200 and a damping device 300, the dismounting mechanism 200 is fixedly installed at the outer side of the packer body 100, and the damping device 300 is movably installed at the outer side of the dismounting mechanism 200, wherein the dismounting mechanism 200 realizes that the damping device 300 has an effect of facilitating dismounting, which is helpful for improving the use efficiency of the packer body 100, and the damping device 300 realizes that the packer body 100 has an effect of good protection effect, thereby greatly improving the service life of the packer body 100.

In order to realize the shock absorption and protection functions of the shock absorption device 300, as shown in fig. 1 to 3, the shock absorption device 300 in this embodiment includes four damping shock absorbers 301 disposed outside the packer body 100, one end of the damping shock absorber 301 close to the packer body 100 is fixedly provided with a buffer plate 306 abutting against the packer body 100, one end of the buffer plate 306 far away from the packer body 100 is fixedly provided with a support rod 305, the outside of the support rod 305 is sleeved with a sleeve 302, the inside of the sleeve 302 is movably provided with a sliding block 304, one end of the sliding block 304 is fixedly connected with the support rod 305, and the inside of the sleeve 302 is fixedly provided with a second spring 303, one end of the second spring is fixedly connected with the sliding block 304.

Wherein, the through-hole that one end runs through and extend to sleeve 302 inside is seted up to the outside of sleeve 302, and the outer wall of bracing piece 305 contacts with the inner wall of through-hole, and the outer wall of sliding block 304 and the inner wall sliding connection of sleeve 302, the quantity of sleeve 302 is four, and the quantity of buffer board 306 is two.

In order to realize the effect of facilitating the disassembly and assembly of the disassembly mechanism 200, as shown in fig. 1-2, the disassembly mechanism 200 in this embodiment includes a mounting plate 201 fixedly mounted on the top of the packer body 100, a protective cover 202 having one end fixedly connected to a damping shock absorber 301 and a sleeve 302 is sleeved on the outer side of the packer body 100, a connecting plate 203 is fixedly mounted on the top of the protective cover 202, two threaded pipes 204 are fixedly mounted on the top of the mounting plate 201, threaded rods 205 having one end penetrating through the mounting plate 201 and extending into the connecting plate 203 are both threadedly connected to the insides of the two threaded pipes 204, housings 206 are both fixedly mounted on the left and right sides of the connecting plate 203, movable rods 207 are both movably mounted inside the two housings 206, first springs 208 having one ends abutting against the housings 206 are both sleeved on the outer sides of the two movable rods 207, piston blocks 209 are both fixedly mounted on the opposite sides of the two movable rods 207, an inserting rod 210 with one end penetrating through the shell 206 and the connecting plate 203 in sequence and extending into the threaded rod 205 is fixedly arranged on one side opposite to the two piston blocks 209.

Wherein, the outer wall of piston piece 209 and the inner wall sliding connection of shell 206, the constant head tank of the adaptation with inserted bar 210 is seted up in the outside of threaded rod 205.

The working principle of the above embodiment is as follows:

when the packer body 100 receives exogenic action to produce certain vibrations, at first through at damping shock absorber 301, under the effect of second spring 303 and buffer plate 306, alright carry out the cushion fast to the shaking force that buffer plate 306 produced, thereby eliminate the damage that the shaking force caused packer body 100, so whole realized that packer body 100 possesses the effect that protecting effect is good, afterwards under the mating reaction through threaded rod 205 and inserted bar 210 in disassembly mechanism 200, spacing fixed effect has been played to protection casing 202, thereby make things convenient for the follow-up dismouting change of damping device 300 of carrying out of staff, and then improved the availability factor of packer body 100 greatly.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. Packer can be bored to big latus rectum, its characterized in that: the packer comprises a packer body (100), a dismounting mechanism (200) and a damping device (300), wherein the dismounting mechanism (200) is arranged on the outer side of the packer body (100), and the damping device (300) is arranged on the outer side of the dismounting mechanism (200);

damping device (300) include four damping shock absorbers (301) that set up in packer body (100) outside, damping shock absorber (301) are close to the one end fixed mounting of packer body (100) have buffer board (306) with packer body (100) looks butt, the one end fixed mounting that packer body (100) were kept away from in buffer board (306) has bracing piece (305), sleeve pipe (302) have been cup jointed in the outside of bracing piece (305), the inside movable mounting of sleeve pipe (302) has one end and bracing piece (305) fixed connection's sliding block (304), the inside fixed mounting of sleeve pipe (302) has one end and sliding block (304) fixed connection's second spring (303).

2. The large-drift-diameter drillable packer of claim 1, wherein: the disassembly mechanism (200) comprises a mounting plate (201) fixedly mounted at the top of the packer body (100), and a protective cover (202) with one end fixedly connected with the damping shock absorber (301) and the sleeve (302) is sleeved on the outer side of the packer body (100).

3. The large-drift-diameter drillable packer of claim 2, wherein: the top fixed mounting of protection casing (202) has connecting plate (203), the top fixed mounting of mounting panel (201) has screwed pipe (204) that the quantity is two.

4. The large-drift-diameter drillable packer of claim 3, wherein: the inner parts of the two threaded pipes (204) are respectively in threaded connection with a threaded rod (205) with one end penetrating through the mounting plate (201) and extending into the connecting plate (203).

5. The large-bore drillable packer of claim 4, wherein: the left and right sides of connecting plate (203) all fixed mounting have shell (206), two the inside of shell (206) all movable mounting has movable rod (207).

6. The large-bore drillable packer of claim 5, wherein: two the first spring (208) of one end and shell (206) looks butt have all been cup jointed in the outside of movable rod (207), two equal fixed mounting in one side that movable rod (207) is relative has piston piece (209).

7. The large-drift-diameter drillable packer of claim 6, wherein: and one end of each of two opposite sides of the piston blocks (209) is fixedly provided with an inserted rod (210) which penetrates through the shell (206) and the connecting plate (203) in sequence and extends into the threaded rod (205).