CN112878980A - Multi-tube bundle separating and metering pry - Google Patents

Abstract

The invention provides a multi-tube bundle separation and metering skid, comprising: a distribution tube, a plurality of cyclone tube bundles, a liquid collecting tube, a gas collecting tube, a plurality of liquid inlet guide tubes, a gas phase outlet pipeline and a liquid phase outlet pipeline; The swirl tube bundles are arranged vertically and parallel at intervals to form an arrangement array; the distribution tube annularly surrounds the swirl tube bundle, and the distribution tube includes an inlet; one end of the several liquid inlet guide tubes is connected with the distribution tube, and the other end is respectively connected with the swirl flow tube. The tube bundles are connected in a one-to-one correspondence; the liquid collecting pipe is located below the arrangement array and is connected with several swirl pipes; one end of the liquid phase outlet pipeline is connected with the liquid collecting pipe; the gas collecting pipe is located above the arrangement array and is connected with several All swirl pipes are connected with each other; one end of the gas phase outlet pipeline is connected with the gas collecting pipe. The multi-tube bundle separation metering skid of the present invention has small main stress, greatly reduced wall thickness under the same pressure, few consumables, small volume, compact structure, convenient transportation and installation, and the like.

Description

Multi-tube bundle separation metering skid

technical field

The invention relates to the technical field of oil and gas separation equipment metering, in particular to a multi-tube bundle separation metering skid.

Background technique

In the oil and gas industry, oil and gas separation equipment has always been an indispensable core equipment for oil and gas processing. Usually, a large production separator is used for separation, and then the gas and liquid phases are measured. The existing separation equipment has obvious shortcomings: one is that the production of the separator requires a large amount of material and the cost is high, which is very uneconomical for small well groups; It is particularly prominent in other places limited by site factors; thirdly, the system pressure of most oil and gas fields is relatively high (design is above 5.5MPa), and the diameter of the production separator is large, and the principal stress is correspondingly large, resulting in a relatively thick shell steel plate ; The fourth is that the production and pressure of the well group fluctuate, and the effect of oil and gas separation is affected.

SUMMARY OF THE INVENTION

In order to achieve the above purpose and other related purposes, the present invention provides a multi-tube bundle separation metering skid, which is used to solve the above problems existing in the prior art.

The invention provides a multi-tube bundle separation and metering skid, comprising: a distribution tube, a plurality of cyclone tube bundles, a liquid collecting tube, a gas collecting tube, a plurality of liquid inlet guide tubes, a gas phase outlet pipeline and a liquid phase outlet pipeline; wherein,

A plurality of the swirling tube bundles are arranged vertically and parallel at intervals to form an arrangement array; the distribution tube annularly surrounds the swirling tube bundle, and the distribution tube includes an inlet for inputting gas-liquid mixture; One end of the liquid inlet guide pipe is connected with the distribution pipe, and the other end is connected with the swirl pipe bundle in a one-to-one correspondence; Homogeneous connection; one end of the liquid phase outlet pipeline is connected with the liquid collecting pipe; the gas collecting pipe is located above the arrangement array, and is connected with a plurality of the swirl pipes; the gas phase One end of the outlet pipeline is connected with the gas collecting pipe.

Optionally, it also includes a pressure relief pipeline and a safety valve, the pressure relief pipeline is connected to the gas collecting pipe, and the safety valve is arranged on the pressure relief pipeline.

Optionally, it also includes a mass flow meter and an electric regulating valve, both of which are arranged on the liquid phase outlet pipeline.

Optionally, a liquid level gauge is also included, and the liquid level gauge is connected to the swirl tube bundle.

Optionally, an electric control box is also included, and the electric control box is connected with the electric regulating valve and the liquid level gauge, and is used for establishing an electrical interlock between the electric regulating valve and the liquid level gauge.

Optionally, an orifice flowmeter and an automatic regulating valve are also included, and both the orifice flowmeter and the automatic regulating valve are arranged on the gas phase outlet pipeline.

Optionally, a plurality of on-off valves are also included, and the on-off valves are provided on the liquid inlet guide pipe in a one-to-one correspondence.

Optionally, the liquid inlet guide tube and the swirling tube bundle are tangentially connected downward at 60°.

Optionally, it also includes a base, the distribution pipe, the swirling tube bundle, the liquid collecting pipe, the gas collecting pipe, the liquid inlet guide pipe, the gas phase outlet pipeline and the liquid phase outlet The pipelines are all arranged on the base; one end of the gas phase outlet pipeline away from the gas collecting pipe and one end of the liquid phase outlet pipeline away from the liquid collector both extend to the edge of the base.

As mentioned above, the multi-tube bundle separation and metering skid of the present invention has the following beneficial effects: the multi-tube bundle separation and metering skid of the present invention adopts the swirling tube bundle for separation, the diameter of a single swirling tube bundle is small, the principal stress is small, and the lower wall of the same pressure is small. The thickness is greatly reduced; even if multiple swirl tube bundles are used, the consumables are obviously less and the volume is small, and the skid-mounted form makes it more compact in structure and convenient for transportation and installation.

Description of drawings

FIG. 1 is a schematic structural diagram of the multi-tube bundle separation metering skid of the present invention.

Fig. 2 is the arrangement diagram of the swirling tube bundle provided by the present invention.

FIG. 3 is a schematic diagram of the working principle of a single swirling tube bundle provided by the present invention.

Component label description: 1. Distribution pipe, 2. On-off valve, 3. Swirl tube bundle, 4. Liquid level gauge, 5. Liquid collection pipe, 6. Mass flowmeter, 7. Electric control valve, 8. Gas collection pipe, 9 , Safety valve, 10, Orifice flow meter, 11, Self-operated regulating valve, 12, Electric control box, 13, Base, 14, Liquid inlet guide pipe, 15, Liquid phase outlet pipeline, 16, Pressure relief pipeline , 17, the gas phase outlet pipeline.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The preferred embodiments described below are given by way of example only, and other obvious modifications will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It should be understood by those skilled in the art that in the disclosure of the present invention, the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus the above terms should not be construed as limiting the invention.

Example 1

Referring to FIG. 1, the present invention provides a multi-tube bundle separation and metering skid. The multi-tube bundle separation and metering skid includes: a distribution pipe 1, a plurality of cyclone tube bundles 3, a liquid collecting pipe 5, a gas collecting pipe 8, a plurality of inlet pipes The liquid guide pipe 14, the gas phase outlet pipe 17 and the liquid phase outlet pipe 15; wherein, a plurality of the swirl tube bundles 3 are arranged vertically and parallel at intervals to form an arrangement array (not shown); the distribution The pipe 1 annularly surrounds the swirling tube bundle 3, the distribution pipe 1 includes an inlet (not shown), and the opening is used to input the gas-liquid mixture into the distribution pipe 1; a plurality of the liquid inlet guide pipes 14 One end is connected to the distribution pipe 1, and the other end is connected to the swirl tube bundle 3 in one-to-one correspondence; the liquid collection pipe 5 is located under the arrangement array, and the liquid collection pipe 5 is connected to several The swirl pipes 3 are all connected; one end of the liquid phase outlet pipeline 15 is connected with the liquid collecting pipe 5 ; the gas collecting pipe 8 is located above the arrangement array, and the gas collecting pipe 8 is connected to the Several of the swirling tubes 3 are all connected; one end of the gas phase outlet pipeline 17 is connected to the gas collecting tube 8 .

Since the multi-tube bundle separation and metering skid of the present invention adopts the swirling tube bundle 3 for separation, the diameter of a single swirling tube bundle 3 is small, the principal stress is small, and the wall thickness is greatly reduced under the same pressure; Usually the solution is obviously less consumables and small in size, and the use of skid-mounted form makes it more compact in structure, convenient in transportation and installation.

Embodiment 2

Please refer to FIG. 2 to FIG. 3 in conjunction with FIG. 1. This embodiment also provides a multi-tube bundle separation and metering skid. The specific structure of the multi-tube bundle separation and metering skid in this embodiment is the same as that of the multi-tube bundle separation and metering skid in Embodiment 1. The specific structures are roughly the same, and the difference between the two is that the multi-tube bundle separation and metering skid in this embodiment further includes more other structures than the multi-tube bundle separation and metering skid in the first embodiment.

As an example, the multi-tube bundle separation metering skid may further include a pressure relief pipeline 16 and a safety valve 9 , the pressure relief pipeline 16 is connected to the gas collecting pipe 8 , and the safety valve 9 is arranged at the pressure relief pipe 9 . on line 16. By arranging the pressure relief pipeline 16 and the safety valve 9, it can prevent overpressure caused by misoperation or freezing blockage in winter, so as to ensure the safety of the multi-tube bundle separation metering skid.

As an example, the multi-tube bundle separation metering skid may further include a mass flow meter 6 and an electric regulating valve 7 , both of which are disposed on the liquid phase outlet pipeline 15 . The mass flow meter 6 can accurately measure the liquid flow.

As an example, the multi-tube bundle separation and metering skid may further include a liquid level gauge 4 , and the liquid level gauge 4 is connected to the swirl tube bundle 3 . Specifically, the liquid level gauge 4 can be connected to the first group of swirl tube bundles 3 near the inlet, and the liquid level gauge 4 is used to measure and observe the liquid level in the swirl tube bundle 3 .

As an example, the multi-tube bundle separation metering skid may further include an electric control box 12, which is connected to the electric control valve 7 and the liquid level gauge 4, and is used for connecting the electric control valve 7 An electrical interlock is established with the liquid level gauge 4 . The electric regulating valve 7 is electrically interlocked with the liquid level gauge 4 through the electric control box 12 in the skid, so that the liquid level in the swirl tube bundle 3 can be controlled.

As an example, the multi-tube bundle separation metering skid may further include an orifice plate flowmeter 10 and an automatic regulating valve 11 , and the orifice plate flowmeter 10 and the automatic regulating valve 11 are both disposed in the gas phase outlet pipeline 17 superior. The orifice flowmeter 10 and the automatic regulating valve 11 are used to stabilize the pressure.

As an example, the multi-tube bundle-separated metering skid may further include a plurality of on-off valves 2 , and the on-off valves 2 are provided on the liquid inlet guide pipes 14 in a one-to-one correspondence, that is, each of the liquid inlet guide pipes 14 The on-off valve 2 is provided on both.

As an example, the liquid inlet guide tube 14 and the swirl tube bundle 3 are tangentially connected downward at 60°. Of course, in other examples, the liquid inlet guide tube 14 and the swirl tube bundle 3 are tangentially connected downward at other angles, such as 30°, 40°, 50°, 70° or 80° and so on.

As an example, the multi-tube bundle separation metering skid may further include a base 13, which may include but is not limited to a steel base. The distribution pipe 1, the swirl tube bundle 3, the liquid collecting pipe 5, the gas collecting pipe 8, the liquid inlet guide pipe 14, the gas phase outlet pipeline 17 and the liquid phase outlet pipeline 15 are arranged on the base 13 ; one end of the gas phase outlet pipeline 17 away from the gas collector 8 and one end of the liquid phase outlet pipeline 15 away from the liquid collector 8 both extend to the base 13 the edge of. The base 13 and the support of the steel structure are used to integrate and fix the above structure, so that it becomes a complete set of separate metering skids.

As an example, the swirl tube bundle 3 can be arranged in a symmetrical and sustainable manner.

The multi-tube bundle separation metering skid is characterized in that the swirl tube bundle 3 of the multi-tube bundle is used in the skid to separate the mixed fluid, and after separation, the gas phase and liquid phase outlet flows are respectively measured and controlled, and the swirling flow in the skid is separated. The number of tube bundles 3 depends on the maximum throughput. After the mixed fluid enters the multi-tube bundle separation metering skid, it flows into the liquid inlet guide pipe 14 through the annular distribution pipe 1, and the liquid inlet guide pipe 14 and the swirl tube bundle 3 can be in a 60° direction. It enters tangentially downward, and the on-off valve 2 is arranged on the liquid inlet guide pipe 14. According to the fluctuation of the processing capacity or the reserve margin, the on-off valve 2 selects the quantity of the swirl tube bundle 3 to be used. The swirl tube bundle 3 can be made of a DN150 tube with a swirling flow guide plate inside, or a high-efficiency swirl tube bundle with patented technology can be selected. The mixed fluid produces swirl separation in the swirl tube bundle 3, and the liquid level gauge 4 is set on the first group of the swirl tube bundle 3 near the inlet to measure and observe the liquid level. The oil phase flows out of the skid through the liquid phase outlet pipeline 15 after being merged by the liquid collector 5 below the swirl tube bundle 3, and the liquid phase outlet pipeline 15 is provided with the mass flow meter 6 and The electric regulating valve 7 and the mass flow meter 6 accurately measure the liquid flow; and the electric regulating valve 7 is electrically interlocked with the liquid level gauge 4 through the electric control box 12 in the skid to control the flow of the liquid. The liquid level height in the swirl tube bundle 3. The gas phase is merged by the gas collecting pipe 8 above the swirl tube bundle 3 and flows out of the skid through the gas phase outlet pipeline 17. The gas phase outlet pipeline 17 is provided with the orifice flow meter 10 to measure the gas flow and The self-operated regulating valve 11 stabilizes the pressure. In order to prevent overpressure caused by misoperation or freezing blockage in winter, the safety valve 9 is arranged on the gas collecting pipe 8 to ensure the safety of the system. The base 13 and the support of the steel structure are used to integrate and fix the above structure, so that it becomes a complete set of separate metering skids.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (9)

1. A multi-tube bundle separation metering skid is characterized in that: comprising: distribution pipe, several swirl tube bundles, liquid collecting pipe, gas collecting pipe, several liquid inlet guide pipes, gas phase outlet pipeline and liquid phase outlet pipeline ;in, A plurality of the swirling tube bundles are arranged vertically and parallel at intervals to form an arrangement array; the distribution tube annularly surrounds the swirling tube bundle, and the distribution tube includes an inlet for inputting gas-liquid mixture; One end of the liquid inlet guide pipe is connected with the distribution pipe, and the other end is connected with the swirl pipe bundle in a one-to-one correspondence; Homogeneous connection; the liquid phase outlet pipeline is connected with the liquid collecting pipe; the gas collecting pipe is located above the arrangement array, and is connected with a plurality of the swirl pipes; the gas phase outlet The pipeline is connected with the gas collecting pipe. 2. The multi-tube bundle separation metering skid according to claim 1, characterized in that: it further comprises a pressure relief pipeline and a safety valve, the pressure relief pipeline is connected with the gas collecting pipe, and the safety valve is arranged in the on the pressure relief line. 3. The multi-tube bundle separation metering skid according to claim 1, characterized in that: it also comprises a mass flow meter and an electric control valve, and the mass flow meter and the electric control valve are both arranged on the liquid phase outlet pipeline . 4 . The multi-tube bundle separation metering skid according to claim 3 , further comprising a liquid level gauge connected to the cyclone tube bundle. 5 . 5 . The multi-tube bundle separation metering skid according to claim 4 , further comprising an electric control box, the electric control box is connected with the electric regulating valve and the liquid level gauge, and is used for connecting the The electric regulating valve and the liquid level gauge establish an electrical interlock. 6 . The multi-tube bundle separation metering skid according to claim 1 , further comprising an orifice flowmeter and an automatic regulating valve, wherein the orifice flowmeter and the automatic regulating valve are both arranged in the gas phase. 7 . on the outlet line. 7 . The multi-tube bundle separation and metering skid according to claim 1 , further comprising a plurality of on-off valves, and the on-off valves are arranged on the liquid inlet conduits in a one-to-one correspondence. 8 . 8 . The multi-tube bundle separation metering skid according to claim 1 , wherein the liquid inlet guide tube and the swirling tube bundle are tangentially connected downward at a 60° angle. 9 . 9 . The multi-tube bundle separation metering skid according to claim 1 , further comprising a base, the distribution tube, the swirling tube bundle, the liquid collector, the gas collector, and the liquid inlet guide 9 . The flow pipe, the gas-phase outlet pipe and the liquid-phase outlet pipe are all arranged on the base; the gas-phase outlet pipe is far away from one end of the gas collecting pipe and the liquid-phase outlet pipe is far away from the collector One end of the liquid pipe extends to the edge of the base.

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