Multifunctional cable penetrating porous shunting integrated high-pressure wellhead device

Abstract

The utility model relates to the technical field of high-pressure well head devices, in particular to a multifunctional cable penetrating porous shunting integrated high-pressure well head device which comprises a casing head assembly, and a cable penetrating assembly is arranged at the top of the casing head assembly. A second manual flat valve is arranged at the top of the cable penetrating assembly; a combination valve is arranged at the top of the second manual flat valve; a combined safety valve is arranged on one side of the combined valve; in view of the fact that equipment is usually arranged at a wellhead of petroleum and natural gas and is usually placed in the open air, a cable is corroded due to damp in rainy and snowy weather, and the sheath of the cable is cracked in a region with higher temperature or dry temperature throughout the year, so that the cable is possibly exposed and the safety of the equipment is influenced; petroleum or natural gas can be pumped out when equipment is used, and in the prior art, stability can not be achieved when high pressure and large amount of output are encountered, so that the situation of leakage or deformation occurs.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure wellhead devices, and particularly relates to a multifunctional cable-passing-through multi-hole shunt integrated high-pressure wellhead device. Background Technique

[0002] The wellhead device is installed at the wellhead in oil and gas drilling, and is used for hanging casing pipes and tubing, and sealing the annular space between the tubing and the casing pipe and each layer of casing pipe. It usually consists of a casing head, a tubing head and a blowout preventer group, and these components work together to ensure the safe and efficient production of oil and gas wells.

[0003] Considering that the equipment is usually set at the wellhead of oil and gas, usually placed outdoors, when encountering rain, snow or other weather, it will cause corrosion of the cable due to moisture, and in areas with high temperature or dry climate all year round, it will also cause the outer skin of the cable to crack, which may lead to the exposure of the cable and affect the safety of the equipment; when the equipment is in use, oil or gas will be pumped out, and the existing technology may be unstable when encountering high pressure and large output, resulting in leakage or deformation. Summary of the Invention

[0004] The purpose of the utility model is to provide a multifunctional cable-passing-through multi-hole shunt integrated high-pressure wellhead device to solve the problems raised in the above background technique.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a multifunctional cable-passing-through multi-hole shunt integrated high-pressure wellhead device, including a casing head assembly, and a cable-passing-through assembly is arranged at the top of the casing head assembly; a second manual flat valve is arranged at the top of the cable-passing-through assembly; a combined valve is arranged at the top of the second manual flat valve; a combined safety valve is arranged on one side of the combined valve.

[0007] The cable-passing-through assembly includes a tubing hanger, continuous pipeline holes are opened in the inner wall of the tubing hanger, and there are six groups of continuous pipeline holes. A cable hanger is fixedly installed on the inner wall of the tubing hanger. A lifting flange is clamped on the inner wall of the tubing hanger. Six groups of hanging guiding and positioning blocks are clamped on the inner wall of the tubing hanger; four groups of the hanging guiding and positioning blocks are clamped with the cable hanger.

[0008] By adopting the above technical solution, the cable can be connected to the equipment through the continuous pipeline holes through the tubing hanger and the cable hanger. The cable arranged inside the equipment can prevent damage caused by climate change, and the cable is firmly fixed inside through the cable hanger. At the same time, it can be used for connecting other devices inside the equipment.

[0009] Furthermore, the top of the casing head assembly is fixedly installed with the bottom of the cable penetration assembly. A third manual flat valve is fixedly installed on one side of the casing head assembly, and a fourth manual flat valve is fixedly installed on the other side of the casing head assembly. A stop valve is clamped on the side of the fourth manual flat valve away from the casing head assembly. A cone plate is arranged on the inner wall of the casing head assembly, and the two suspension guiding positioning blocks are clamped with the cone plate.

[0010] With the above technical solution, when the oil enters from the bottom, a part of the pressure can be buffered through the setting of the cone plate. When the oil needs to be output, the third manual flat valve and the fourth manual flat valve can be controlled for shunting to prevent damage to the equipment caused by excessive pressure. And through the setting of the stop valve, leakage can be prevented when the fourth manual flat valve is closed, ensuring the sealing and safety of the equipment.

[0011] Furthermore, the bottom of the second manual flat valve is fixedly installed with the top of the cable penetration assembly, and a manual non-rising stem slab gate valve is arranged on the outer wall of the second manual flat valve.

[0012] With the above technical solution, through the second manual flat valve and the manual non-rising stem slab gate valve, operations such as whether to shunt the oil again can be manually controlled to control whether to perform more functions.

[0013] Furthermore, the bottom of the combination valve is fixedly connected with the top of the second manual flat valve. The combination valve includes a paraffin removal valve. A manual non-rising stem slab gate valve is arranged on the outer wall of the paraffin removal valve. A stop valve is clamped on the inner wall of the combination valve near the top. A first manual flat valve is fixedly connected to the side of the paraffin removal valve away from the combination safety valve. A threaded flange is fixedly installed on the side of the first manual flat valve away from the combination valve.

[0014] With the above technical solution, through the setting of the paraffin removal valve, the wax can be scraped off and discharged from the pipeline when the wax deposited in the pipe reaches a certain degree to ensure the smoothness of the pipeline. Through the setting of the manual non-rising stem slab gate valve, manual operation can be carried out. Through the setting of the first manual flat valve, additional shunting can be controlled, and through the threaded flange, it can be connected to external equipment.

[0015] Furthermore, the combination safety valve includes a flat valve. The outer wall of the flat valve is fixedly installed with the safety valve. One side of the flat valve is fixedly connected with one side of the combination valve. An electric control throttle valve is fixedly installed on one side of the flat valve. A stop valve is clamped on the inner wall of the flat valve near the top. A welding neck flange is fixedly installed at the bottom of the electric control throttle valve.

[0016] With the above technical solution, throttling and flow buffering operations can be carried out when the liquid is diverted here through the setting of the flat valve, safety valve and electric regulating throttle valve. Since external equipment needs to be connected at the welding neck flange and considering that the equipment cannot withstand high pressure, throttling and flow buffering should be achieved to prevent damage to the external equipment.

[0017] Furthermore, a shrapnel is arranged inside the hanging guiding positioning block.

[0018] With the above technical solution, through the setting of the shrapnel, when the cone disk and the cable hanger move under the impact of oil, the hanging guiding positioning block will be pushed outwards first. During this process, force will be transmitted to the shrapnel and the shrapnel will be squeezed. Thus, the vertical force can be released laterally, thereby reducing the impact force and ensuring safety.

[0019] The utility model has the following beneficial effects:

[0020] 1. Through the setting of the tubing hanger and the cable hanger, the cable can be connected to the equipment through the continuous pipeline hole. The cable arranged inside the equipment can prevent damage caused by climate change, and the cable is firmly fixed inside through the cable hanger. At the same time, connections can be made for other devices inside the equipment.

[0021] 2. Through the setting of the cone disk, part of the pressure can be buffered. When oil needs to be output, the third manual flat valve and the fourth manual flat valve can be controlled for flow diversion to prevent equipment damage caused by excessive pressure. And through the setting of the stop valve, leakage can be prevented when the fourth manual flat valve is closed, ensuring the sealing and safety of the equipment.

[0022] 3. Through the setting of the shrapnel, when the cone disk and the cable hanger move under the impact of oil, the hanging guiding positioning block will be pushed outwards first. During this process, force will be transmitted to the shrapnel and the shrapnel will be squeezed. Thus, the vertical force can be released laterally, thereby reducing the impact force and ensuring safety.

[0023] Of course, it is not necessary for any product implementing the utility model to achieve all the above advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments will be briefly introduced below.

[0025] Figure 1 is a schematic diagram of the overall structure;

[0026] Figure 2 is Figure 1 a partial sectional view at A in

[0027] Figure 3 It is a schematic structural diagram of the tubing hanger location.

[0028] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0029] In the figure: 1. Casing head assembly; 2. Cable penetration assembly; 3. Second manual flat valve; 4. Combination valve; 5. Combination safety valve. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0031] Please refer to Figures 1-3 As shown, the present invention is a multifunctional cable penetration multi - port shunt integrated high - pressure wellhead device, including a casing head assembly 1, and a cable penetration assembly 2 is arranged at the top of the casing head assembly 1; a second manual flat valve 3 is arranged at the top of the cable penetration assembly 2; a combination valve 4 is arranged at the top of the second manual flat valve 3; a combination safety valve 5 is arranged on one side of the combination valve 4;

[0032] The cable penetration assembly 2 includes a tubing hanger. A continuous pipeline hole is opened in the inner wall of the tubing hanger, and there are six groups of continuous pipeline holes. A cable hanger is fixedly installed on the inner wall of the tubing hanger. A lifting flange is clamped on the inner wall of the tubing hanger. A suspension guiding and positioning block is clamped on the inner wall of the tubing hanger, and there are six groups of suspension guiding and positioning blocks in total; four groups of suspension guiding and positioning blocks are clamped with the cable hanger.

[0033] In this embodiment, considering that the equipment is usually set at the wellhead of oil and natural gas and is usually placed outdoors, when encountering rain, snow or other weather conditions, the cable will be corroded by moisture, and in areas with high temperature or dry climate all year round, the outer skin of the cable will also crack, which may cause the cable to be exposed and affect the safety of the equipment;

[0034] Through the setting of the tubing hanger and the cable hanger, the cable can be connected to the equipment through the continuous pipeline hole. The cable arranged inside the equipment can prevent damage caused by climate change, and the cable is firmly fixed inside through the cable hanger. At the same time, it can be used for connection with other devices inside the equipment.

[0035] Specifically, the top of the casing head assembly 1 is fixedly installed with the bottom of the cable penetration assembly 2. A third manual flat valve is fixedly installed on one side of the casing head assembly 1. A fourth manual flat valve is fixedly installed on the other side of the casing head assembly 1; a stop valve is clamped on the side of the fourth manual flat valve away from the casing head assembly 1. A cone plate is arranged on the inner wall of the casing head assembly 1, and two groups of suspension guiding and positioning blocks are clamped with the cone plate.

[0036] In this embodiment, considering that oil or natural gas will be pumped out during the use of the equipment, the prior art may be unstable when encountering high pressure and a large amount of output, resulting in leakage or deformation.

[0037] When the oil enters from the bottom, the pressure can be buffered by the setting of the conical disc. When the oil needs to be output, the third manual flat valve and the fourth manual flat valve can be controlled for shunting to prevent damage to the equipment caused by excessive pressure. And through the setting of the stop valve, leakage can be prevented when the fourth manual flat valve is closed, ensuring the sealing and safety of the equipment.

[0038] Specifically, the bottom of the second manual flat valve 3 is fixedly installed with the top of the cable penetration assembly 2, and a manual non-rising stem slab gate valve is arranged on the outer wall of the second manual flat valve 3.

[0039] In this embodiment, through the second manual flat valve 3 and the manual non-rising stem slab gate valve, operations such as whether to shunt the oil manually can be controlled to control whether to perform more functions.

[0040] Specifically, the bottom of the combination valve 4 is fixedly connected to the top of the second manual flat valve 3. The combination valve 4 includes a paraffin removal valve, and a manual non-rising stem slab gate valve is arranged on the outer wall of the paraffin removal valve. A stop valve is clamped on the inner wall of the combination valve 4 near the top. One side of the paraffin removal valve away from the combination safety valve 5 is fixedly connected to a first manual flat valve, and a threaded flange is fixedly installed on the side of the first manual flat valve away from the combination valve 4.

[0041] In this embodiment, through the setting of the paraffin removal valve, the wax can be scraped off and discharged from the pipeline when the wax deposited in the pipeline reaches a certain degree to ensure the smoothness of the pipeline; through the setting of the manual non-rising stem slab gate valve, manual operation can be carried out; through the setting of the first manual flat valve, additional shunting can be controlled, and through the threaded flange, it can be connected to external equipment.

[0042] Specifically, the combination safety valve 5 includes a flat valve; the outer wall of the flat valve is fixedly installed with the safety valve, one side of the flat valve is fixedly connected to one side of the combination valve 4, an electric control throttle valve is fixedly installed on one side of the flat valve, and a stop valve is clamped on the inner wall of the flat valve near the top; the bottom of the electric control throttle valve is fixedly installed with a welding neck flange.

[0043] In this embodiment, through the setting of the flat valve, the safety valve and the electric control throttle valve, throttling and flow buffering operations can be carried out when the liquid is shunted here. Since equipment needs to be externally connected at the welding neck flange and considering that the equipment cannot withstand high pressure, throttling and flow buffering should be achieved to prevent damage to external equipment.

[0044] Specifically, a spring piece is arranged inside the suspension guiding positioning block.

[0045] In this embodiment, the elastic piece is arranged such that when the conical disc and the cable hanger move under the impact of oil, the hanging guide positioning block will be pushed outwards first. During this process, force will be transmitted to the elastic piece and the elastic piece will be squeezed. Thus, the vertical force can be released laterally, reducing the impact force and ensuring safety.

[0046] During use,

[0047] First, when oil enters from the bottom, part of the pressure can be buffered through the arrangement of the conical disc. When it is necessary to output the oil, the third manual flat valve and the fourth manual flat valve can be controlled for shunt to prevent damage to the equipment caused by excessive pressure. And through the arrangement of the stop valve, leakage can be prevented when the fourth manual flat valve is closed, ensuring the sealing and safety of the equipment.

[0048] Second, through the arrangements of the tubing hanger and the cable hanger, the cable can be connected to the equipment through the continuous pipeline hole. The cable arranged inside the equipment can prevent damage caused by climate change, and the cable is firmly fixed inside through the cable hanger. At the same time, it can be connected to other devices inside the equipment. Through the arrangement of the paraffin removal valve, the wax in the pipe can be scraped off and discharged from the pipe when the wax deposition in the pipe reaches a certain level to ensure the smoothness of the pipe; through the arrangement of the manual non-rising stem flat gate valve, manual operation can be carried out; through the arrangement of the first manual flat valve, additional shunt can be controlled, and it can be connected to external equipment through the threaded flange.

[0049] At the same time, the elastic piece is arranged such that when the conical disc and the cable hanger move under the impact of oil, the hanging guide positioning block will be pushed outwards first. During this process, force will be transmitted to the elastic piece and the elastic piece will be squeezed. Thus, the vertical force can be released laterally, reducing the impact force and ensuring safety.

[0050] Finally, through the arrangements of the flat valve, the safety valve and the electric regulating throttle valve, throttling and flow buffering operations can be carried out when the liquid is shunted here. Since equipment needs to be externally connected at the welding neck flange and considering that the equipment cannot withstand high pressure, throttling and flow buffering are required to prevent damage to external equipment.

[0051] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all details in detail, nor limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can understand and utilize the present utility model well. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A multifunctional cable-through-multi-hole flow-dividing integrated high-pressure wellhead device, comprising a casing head assembly (1), characterized in that: A cable passing assembly (2) is arranged on the top of the casing head assembly (1); a second manual flat valve (3) is arranged on the top of the cable passing assembly (2); a combination valve (4) is arranged on the top of the second manual flat valve (3); a combination safety valve (5) is arranged on one side of the combination valve (4); The cable crossing assembly (2) comprises an oil pipe hanger, the inner wall of which is provided with continuous pipeline holes, and there are six groups of continuous pipeline holes; the inner wall of the oil pipe hanger is fixedly mounted with a cable hanger, the inner wall of the oil pipe hanger is clamped with a lifting flange, the inner wall of the oil pipe hanger is clamped with a suspension guide positioning block, and there are six groups of suspension guide positioning blocks; four groups of the suspension guide positioning blocks are clamped with the cable hanger.

2. A multifunctional cable passing through multi-hole diversion integrated high-pressure wellhead device according to claim 1, characterized in that: The top of the casing head assembly (1) is fixedly mounted on the bottom of the cable passing assembly (2); a third manual flat valve is fixedly mounted on one side of the casing head assembly (1); a fourth manual flat valve is fixedly mounted on the other side of the casing head assembly (1); a stop valve is clamped on the side of the fourth manual flat valve away from the casing head assembly (1); a cone disk is provided on the inner wall of the casing head assembly (1), and the two sets of suspension guide positioning blocks are clamped on the cone disk.

3. A multifunctional cable passing through multi-hole diversion integrated high-pressure wellhead device according to claim 1, characterized in that: The bottom of the second manual flat valve (3) is fixedly mounted on the top of the cable passing assembly (2), and the outer wall of the second manual flat valve (3) is provided with a manual concealed-stem flat gate valve.

4. A multifunctional cable passing through multi-hole diversion integrated high-pressure wellhead device according to claim 1, characterized in that: The bottom of the combination valve (4) is fixedly connected to the top of the second manual flat valve (3), the combination valve (4) comprises a wax cleaning valve, the outer wall of the wax cleaning valve is provided with a manual concealed-stem flat gate valve, the inner wall of the combination valve (4) near the top is clamped with a stop valve, the side of the wax cleaning valve away from the combination safety valve (5) is fixedly connected to the first manual flat valve, and the side of the first manual flat valve away from the combination valve (4) is fixedly installed with a threaded flange.

5. The multifunctional cable-through-multi-hole-dividing integrated high-pressure wellhead device according to claim 1, characterized in that: The combined safety valve (5) comprises a flat valve; the outer wall of the flat valve is fixedly mounted on the safety valve, one side of the flat valve is fixedly connected to one side of the combined valve (4), an electric regulating throttle valve is fixedly mounted on one side of the flat valve, and a stop valve is clamped on the inner wall of the flat valve near the top; a weld neck flange is fixedly mounted on the bottom of the electric regulating throttle valve.

6. The multifunctional cable-through-multi-hole-dividing integrated high-pressure wellhead device according to claim 1, characterized in that: A spring piece is arranged inside the suspension guide positioning block.

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