CN217151891U

CN217151891U - Oil pipe hanger with good sealing effect

Info

Publication number: CN217151891U
Application number: CN202220172504.1U
Authority: CN
Inventors: 纪礼彬
Original assignee: Gute Petroleum Equipment Jiangsu Co ltd
Current assignee: Gute Petroleum Equipment Jiangsu Co ltd
Priority date: 2022-01-22
Filing date: 2022-01-22
Publication date: 2022-08-09
Anticipated expiration: 2032-01-22

Abstract

The utility model relates to an oil pipe hanger technical field just discloses a sealed effectual oil pipe hanger, which comprises a pipe body, the bottom fixed mounting of body has lower connecting plate, the left and right sides side fixed mounting of body has the branch pipe, the top of body is provided with sealing connection mechanism, the equal fixed mounting in left and right sides of branch pipe has pressure release oil extraction mechanism, sealing connection mechanism includes the upper junction plate, upper junction plate fixed mounting is at the top of body, the top fixed mounting of upper junction plate has the sealing washer, the top fixed mounting of sealing washer has the connecting pipe, the bottom left and right sides fixed mounting of connecting pipe has the construction bolt. This sealed effectual oil pipe hanger through the sealing connection mechanism who sets up, in the use, makes oil pipe hanger's sealed effect better, the difficult phenomenon that takes place the oil leak to reach the sealed effect that improves oil pipe hanger, prevented the effect of oil leak.

Description

Oil pipe hanger with good sealing effect

Technical Field

The utility model relates to a tubing hanger technical field specifically is a sealed effectual tubing hanger.

Background

A tubing hanger is a device that supports a tubing string and seals the annular space between the tubing and the casing. The sealing mode of the oil pipe hanger is that the oil pipe hanger is connected with an oil pipe and is seated in the large four-way cone of the oil pipe hanger by using the gravity of the oil pipe for sealing, the operation is convenient, the well mouth changing speed is high, and the well mouth changing speed is safe, so that the sealing mode is commonly used in medium-deep wells and conventional wells.

In the prior art, the used oil pipe hanger is poor in sealing effect in the using process, when the internal oil pressure is too large, oil leakage easily occurs at the joint of the oil pipe hanger, and therefore the oil pipe hanger with good sealing effect needs to be changed in and out to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual oil pipe hanger to solve the problem of proposing 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 sealed effectual oil pipe hanger, includes the body, the bottom fixed mounting of body has lower connecting plate, the left and right sides side fixed mounting of body has the branch pipe, the top of body is provided with sealing connection mechanism, the equal fixed mounting in left and right sides of branch pipe has pressure release oil extraction mechanism.

The sealing connection mechanism comprises an upper connection plate, the upper connection plate is fixedly installed at the top of the pipe body, a sealing ring is fixedly installed at the top of the upper connection plate, a connection pipe is fixedly installed at the top of the sealing ring, installation bolts are fixedly installed on the left side and the right side of the bottom of the connection pipe, fastening nuts are installed on the bottom threads of the installation bolts, and fixing springs are fixedly installed between the fastening nuts and the upper connection plate.

Preferably, the top of the lower connecting plate and the corresponding position of the mounting bolt are provided with through holes, the sealing ring and the corresponding position of the connecting pipe and the mounting bolt are provided with through holes, and the mounting bolt penetrates through the through holes, so that the pipe body is conveniently connected with the connecting pipe in a sealing manner through the upper connecting plate.

Preferably, the fixed spring is sleeved outside the mounting bolt, four mounting bolts, four fastening nuts and four fixed springs are arranged on the left side, the right side, the front side and the back side of the upper connecting plate respectively, and the connecting strength of the upper connecting plate and the connecting pipe is improved by fixing the elasticity of the spring.

Preferably, the pressure relief oil discharge mechanism comprises a fixing frame, the fixing frame is fixedly installed on the left side and the right side of the pipe body far away from the branch pipe, an oil inlet is formed in the inner side of the fixing frame, an oil retainer ring is fixedly installed at the installation position of the branch pipe and the fixing frame, and oil leakage at the installation position of the fixing frame and the branch pipe is prevented through the oil retainer ring.

Preferably, the sliding groove has been seted up to fixed frame's inside, the inside slidable mounting of sliding groove has the sliding plug, the top fixed mounting of sliding plug has pressure movable spring, the oil drain hole has been seted up in the outside of fixed frame, is convenient for make sliding plug slidable mounting in the sliding groove.

Preferably, fixed spring's top fixed mounting is at the inner wall top of fixed frame, just fixed spring keeps away from the one end fixed mounting of fixed frame inner wall at the top of slip stopper, is convenient for set up the oil pressure size through fixed spring.

Preferably, branch pipe and pressure release oil extraction mechanism all respectively have two sets ofly, respectively fixed mounting in the left and right sides of body, and automatic oil extraction when the oil pressure is too big in the body through the pressure release oil extraction mechanism that sets up prevents the oil impregnate.

Compared with the prior art, the utility model provides a sealed effectual oil pipe hanger possesses following beneficial effect:

1. this sealed effectual oil pipe hanger through the sealing connection mechanism who sets up, in the use, makes oil pipe hanger's sealed effect better, the difficult phenomenon that takes place the oil leak to reach the sealed effect that improves oil pipe hanger, prevented the effect of oil leak.

2. This sealed effectual oil pipe hanger through the pressure release oil extraction mechanism that sets up, in the use, can be when the inside oil pressure of oil pipe is too big, can arrange the oil automatically, reduces the oil pressure in the oil pipe, prevents that the oil pipe hanger from responding the too big sealed effect that leads to of oil pressure and reducing to reached improves the effect of sealed intensity through reducing the oil pressure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor:

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

FIG. 2 is a schematic sectional view of the front structure of the present invention;

FIG. 3 is a schematic sectional view of the front structure of the pressure relief oil discharge mechanism of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a pipe body; 2. a lower connecting plate; 3. a branch pipe; 4. a sealing connection mechanism; 41. an upper connecting plate; 42. a seal ring; 43. a connecting pipe; 44. installing a bolt; 45. fastening a nut; 46. fixing the spring; 5. a pressure relief oil discharge mechanism; 51. a fixing frame; 52. an oil inlet; 53. an oil slinger; 54. a sliding groove; 55. a sliding plug; 56. pressing the spring; 57. and an oil drain hole.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a sealed effectual oil pipe hanger, including body 1, the bottom fixed mounting of body 1 has lower connecting plate 2, body 1's left and right sides side fixed mounting has branch pipe 3, body 1's top is provided with sealing connection mechanism 4, the equal fixed mounting in left and right sides of branch pipe 3 has pressure release oil extraction mechanism 5, branch pipe 3 all respectively has two sets ofly with pressure release oil extraction mechanism 5, fixed mounting is in body 1's the left and right sides respectively, automatic oil extraction when the oil pressure is too big in body 1 through the pressure release oil extraction mechanism 5 that sets up, prevent the oil impregnate.

The sealing connection mechanism 4 comprises an upper connection plate 41, the upper connection plate 41 is fixedly arranged at the top of the pipe body 1, a sealing ring 42 is fixedly arranged at the top of the upper connection plate 41, a connection pipe 43 is fixedly arranged at the top of the sealing ring 42, mounting bolts 44 are fixedly arranged at the left side and the right side of the bottom of the connection pipe 43, a fastening nut 45 is arranged at the bottom of each mounting bolt 44 in a threaded manner, a fixing spring 46 is fixedly arranged between the fastening nut 45 and the upper connection plate 41, a through hole is formed in the position, corresponding to the mounting bolt 44, at the top of the lower connection plate 2, a through hole is formed in the position, corresponding to the mounting bolts 44, of the sealing ring 42 and the connecting pipe 43, the mounting bolts 44 penetrate through the through holes, the pipe body 1 is conveniently and hermetically connected with the connection pipe 43 through the upper connection plate 41, the fixing spring 46 is sleeved outside the mounting bolts 44, and four mounting bolts 44, the four fastening nuts 45 and the four fixing springs 46 are respectively arranged, are respectively arranged at the left and right sides and the front and back of the upper connecting plate 41, and the connection strength between the upper connecting plate 41 and the connecting pipe 43 is improved by the elastic force of the fixing spring 46.

Pressure release oil discharge mechanism 5 includes fixed frame 51, fixed frame 51 fixed mounting is in the left and right sides that body 1 was kept away from to branch pipe 3, oil inlet 52 has been seted up to fixed frame 51's inboard, branch pipe 3 and fixed frame 51's installation department fixed mounting has oil slinger 53, prevent through oil slinger 53 that fixed frame 51 and branch pipe 3's installation department from taking place the oil leak, sliding tray 54 has been seted up to fixed frame 51's inside, sliding tray 54's inside slidable mounting has sliding plug 55, sliding plug 55's top fixed mounting has pressure spring 56, oil drain 57 has been seted up to fixed frame 51's the outside, be convenient for make sliding plug 55 slidable mounting in sliding tray 54, pressure spring 56's top fixed mounting is at fixed frame 51's inner wall top, and pressure spring 56 keeps away from the one end fixed mounting of fixed frame 51 inner wall at sliding plug 55's top, be convenient for set up the oil pressure size through pressure spring 56.

In actual operation, when the device is used, the sealing ring 42 is fixedly arranged on the top of the upper connecting plate 41, then the connecting pipe 43 is fixedly arranged on the top of the sealing ring 42, the mounting bolt 44 is inserted, the fixing spring 46 is sleeved, the fastening nut 45 is tightened, the upper connecting plate 41 and the connecting pipe 43 are tightly connected through the elastic force of the fixing spring 46, when the internal oil pressure of the pipe body 1 is overlarge, the oil body flows into the fixing frame 51 through the oil inlet 52, then the sliding plug 55 is pressed, the sliding plug 55 slides in the sliding groove 54, the pressing spring 56 is pressed through the sliding plug 55 until the sliding plug 55 moves above the oil discharge hole 57, the oil in the pipe body 1 is discharged through the oil discharge hole 57, the internal oil pressure of the pipe body 1 is reduced, and oil leakage at the connection part is prevented.

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. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a sealed effectual oil pipe hanger, includes body (1), its characterized in that: a lower connecting plate (2) is fixedly installed at the bottom of the pipe body (1), branch pipes (3) are fixedly installed on the left side and the right side of the pipe body (1), a sealing connecting mechanism (4) is arranged at the top of the pipe body (1), and pressure-releasing and oil-discharging mechanisms (5) are fixedly installed on the left side and the right side of each branch pipe (3);

sealing connection mechanism (4) include upper junction plate (41), upper junction plate (41) fixed mounting is at the top of body (1), the top fixed mounting of upper junction plate (41) has sealing washer (42), the top fixed mounting of sealing washer (42) has connecting pipe (43), the bottom left and right sides fixed mounting of connecting pipe (43) has construction bolt (44), fastening nut (45) are installed to the bottom screw thread of construction bolt (44), fixed mounting has fixed spring (46) between fastening nut (45) and upper junction plate (41).

2. The oil pipe hanger with good sealing effect as claimed in claim 1, wherein: the top of the lower connecting plate (2) is provided with a through hole at the position corresponding to the mounting bolt (44), the sealing ring (42) and the connecting pipe (43) are provided with a through hole at the position corresponding to the mounting bolt (44), and the mounting bolt (44) penetrates through the through hole.

3. The oil pipe hanger with good sealing effect as claimed in claim 1, wherein: the fixing springs (46) are sleeved outside the mounting bolts (44), and the four mounting bolts (44), the four fastening nuts (45) and the four fixing springs (46) are respectively arranged on the left side, the right side, the front side and the back side of the upper connecting plate (41).

4. The oil pipe hanger with good sealing effect as claimed in claim 1, wherein: pressure release oil extraction mechanism (5) are including fixed frame (51), the left and right sides that body (1) was kept away from in fixed frame (51) fixed mounting in branch pipe (3), oil inlet (52) have been seted up to the inboard of fixed frame (51), branch pipe (3) and the installation department fixed mounting of fixed frame (51) have oil scraper ring (53).

5. The oil pipe hanger with good sealing effect as claimed in claim 4, wherein: sliding tray (54) have been seted up to the inside of fixed frame (51), the inside slidable mounting of sliding tray (54) has sliding plug (55), the top fixed mounting of sliding plug (55) has pressure spring (56), oil drain hole (57) have been seted up to the outside of fixed frame (51).

6. The oil pipe hanger with good sealing effect as claimed in claim 5, wherein: the top of the pressure spring (56) is fixedly installed at the top of the inner wall of the fixed frame (51), and one end, far away from the inner wall of the fixed frame (51), of the pressure spring (56) is fixedly installed at the top of the sliding plug (55).

7. The oil pipe hanger with good sealing effect as claimed in claim 6, wherein: the branch pipes (3) and the pressure relief oil discharge mechanisms (5) are respectively provided with two groups and are respectively and fixedly arranged at the left side and the right side of the pipe body (1).