CN219511966U - Fixed frock that packer detected usefulness - Google Patents

Abstract

The utility model discloses a fixing tool for detecting a packer, which structurally comprises a stainless steel pipe, wherein a male thread is upwards extended from the top of the stainless steel pipe, a step surface is arranged at the joint of the male thread and the stainless steel pipe, when the male thread is connected with the packer by screw, the packer is tightly attached to the step surface, the outer wall of the stainless steel pipe is coated with a heating medium conduit, the side surface of the stainless steel pipe is provided with a plurality of heat conducting grooves, the bottom of each heat conducting groove is coated by the heating medium conduit, the top of each heat conducting groove is extended on the step surface, and a heat conducting copper pipe is embedded in the heat conducting groove.

Description

Fixed frock that packer detected usefulness

Technical Field

The utility model relates to the technical field of packer production, in particular to a fixing tool for packer detection.

Background

At present, the packer is usually required to be tested for bearing pressure before the packer is put into a well so as to ensure that the packer meets the pressure requirement in the well, in the pressure test process, the packer is generally connected with a stainless steel pipe in a threaded manner, the temperature environment of the packer in the ground is simulated by conducting heat to the stainless steel pipe, the simulation temperature is about 200 ℃ so as to ensure the accuracy of the pressure test of the packer, therefore, the temperature simulation is particularly important for the pressure test of the packer, but the heat conductivity of the stainless steel pipe is basically in the range of 10-30W/(m DEG C) below 600 ℃, and the heat conductivity of various stainless steels only has an increasing trend along with the increase of the temperature, so that the heat conduction rate of the stainless steel pipe is lower for the temperature environment of the simulation packer about 200 ℃, and longer time is required to raise the temperature of the packer to about 200 ℃, thereby reducing the test efficiency of the packer.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a fixing tool for detecting a packer.

In order to achieve the above purpose, the utility model provides a fixing tool for detecting a packer, which structurally comprises a stainless steel pipe and has the innovation points that: the top of nonrust steel pipe upwards extends has the male screw, and the junction of male screw and nonrust steel pipe is equipped with the step face, and when male screw and packer threaded connection, the packer hugs closely on the step face, and the outer wall cladding of nonrust steel pipe has the heating medium pipe, and a plurality of heat conduction grooves have been seted up to the side of nonrust steel pipe, and the bottom of heat conduction groove is by the cladding of heating medium pipe, and the top of heat conduction groove extends at the step face, and the inside of heat conduction groove is inlayed and is had the heat conduction copper pipe.

Further, the step surface is provided with annular grooves, the heat conducting grooves extend into the annular grooves one by one, copper rings are arranged in the annular grooves, and a plurality of heat conducting copper pipes are spot-welded on the copper rings one by one.

Further, the caliber of the step surface is larger than that of the outer wall of the packer, an arc-shaped flanging is arranged at the edge of the step surface, high-temperature-resistant sealing rubber is coated on the arc-shaped flanging, and when the packer is connected to the step surface, the sealing rubber is tightly attached to the pipe wall of the packer.

Further, the height of the arc-shaped flanging is lower than that of the male threads.

Further, the caliber of the annular groove is equal to the caliber of the outer wall of the packer.

The utility model has the technical effects and advantages that: the bottom threaded connection of packer is on the male screw thread, connects packer and stainless steel pipe, accomplishes the connection back, and the bottom of packer is contradicted on the step face, when testing the packer, the setting of step face has increased the stainless steel pipe to the pressure of bearing of packer, and secondly, the heat that heating medium pipe produced can be quick through the inside heat conduction copper pipe of heat conduction groove to the top conduction of stainless steel pipe for the packer can reach the temperature of needs fast, has improved the detection efficiency of packer.

Drawings

Fig. 1 is a side view of the present utility model.

Fig. 2 is a top cross-sectional view of the step surface of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 2, in an embodiment of the present utility model, the structure includes a stainless steel pipe 1, a male thread 11 extends upward from the top of the stainless steel pipe 1, a step surface 12 is provided at the joint of the male thread 11 and the stainless steel pipe 1, when the male thread 11 is in threaded connection with a packer, the packer is tightly attached to the step surface 12, the outer wall of the stainless steel pipe 1 is covered with a heating medium conduit 13, a plurality of heat conducting grooves 14 are provided on the side surface of the stainless steel pipe 1, the bottom of the heat conducting grooves 14 is covered with the heating medium conduit 13, the top of the heat conducting grooves 14 extends on the step surface 12, and a heat conducting copper pipe 15 is embedded in the heat conducting grooves 14.

According to the utility model, the bottom of the packer is connected to the male thread 11 in a threaded manner, the packer is connected with the stainless steel pipe 1, the bottom of the packer is abutted against the step surface 12 after connection is completed, when the packer is tested, the pressure born by the stainless steel pipe 1 on the packer is increased by setting the step surface 12, and then heat generated by the heating medium conduit 13 can be conducted to the top of the stainless steel pipe 1 through the heat conducting copper pipe 15 in the heat conducting groove 14 quickly, so that the packer can reach the required temperature quickly, and the detection efficiency of the packer is improved.

In the present utility model, as a preferable scheme, the step surface 12 is provided with annular grooves 2, the heat conducting grooves 14 extend into the annular grooves 2 one by one, copper rings 21 are arranged in the annular grooves 2, and a plurality of heat conducting copper pipes 15 are spot-welded on the copper rings 21 one by one.

In the utility model, the heat on all the heat conduction copper pipes 15 is finally converged on the copper ring 21, wherein the caliber of the annular groove 2 is equal to the caliber of the outer wall of the packer, when the bottom of the packer is on the step surface 12, namely aligned and attached to the annular groove 2, the bottom of the packer is completely abutted against the copper ring 21, and the heat conduction efficiency of the heat conduction copper pipes 15 to the packer is further improved.

In the utility model, as a preferable scheme, the caliber of the step surface 12 is larger than that of the outer wall of the packer, the edge of the step surface 12 is provided with the arc-shaped flanging 3, the arc-shaped flanging 3 is coated with high-temperature-resistant sealing rubber, and when the packer is connected to the step surface 12, the sealing rubber is tightly attached to the pipe wall of the packer.

In the utility model, the joint of the packer and the stainless steel pipe 1 can be sealed by the arc-shaped flanging 3, and the heat diffused at the copper ring 21 position can be sealed in the arc-shaped flanging 3, so that the joint of the packer and the stainless steel pipe 1 is also in a certain temperature environment, and further the heat loss is reduced.

In the present utility model, the height of the arcuate flange 3 is preferably lower than that of the male screw 11.

In the utility model, when the packer is connected with the male thread 11, the height of the male thread 11 is higher, so that the packer is conveniently and directly aligned with the male thread 11.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (5)

1. The utility model provides a fixed frock that packer detected usefulness, its structure includes stainless steel pipe (1), its characterized in that: the stainless steel pipe is characterized in that the top of the stainless steel pipe (1) upwards extends to form a male thread (11), a step surface (12) is arranged at the joint of the male thread (11) and the stainless steel pipe (1), when the male thread (11) and the packer are in threaded connection, the packer is tightly attached to the step surface (12), the outer wall of the stainless steel pipe (1) is coated with a heating medium guide pipe (13), a plurality of heat conducting grooves (14) are formed in the side face of the stainless steel pipe (1), the bottom of each heat conducting groove (14) is coated with the corresponding heating medium guide pipe (13), the top of each heat conducting groove (14) extends to the step surface (12), and a heat conducting copper pipe (15) is embedded in the heat conducting groove (14).

2. The fixture for detecting a packer according to claim 1, wherein: the heat conducting copper pipe is characterized in that annular grooves (2) are formed in the step surface (12), the heat conducting grooves (14) extend into the annular grooves (2) one by one, copper rings (21) are arranged in the annular grooves (2), and a plurality of heat conducting copper pipes (15) are spot-welded on the copper rings (21) one by one.

3. The fixture for detecting a packer according to claim 2, wherein: the caliber of the step surface (12) is larger than that of the outer wall of the packer, an arc-shaped flanging (3) is arranged at the edge of the step surface (12), high-temperature-resistant sealing rubber is coated on the arc-shaped flanging (3), and when the packer is connected to the step surface (12), the sealing rubber is tightly attached to the pipe wall of the packer.

4. The fixture for detecting a packer of claim 3, wherein: the height of the arc-shaped flanging (3) is lower than that of the male thread (11).

5. The fixture for detecting a packer according to claim 2, wherein: the caliber of the annular groove (2) is equal to the caliber of the outer wall of the packer.