CN214008850U

CN214008850U - High-sulfur-content moisture pressurizing pry

Info

Publication number: CN214008850U
Application number: CN202022187036.9U
Authority: CN
Inventors: 麻宏强; 高继峰; 刘德绪; 龚金海; 王利畏; 黄雪松
Original assignee: East China Jiaotong University; Sinopec Oilfield Service Corp; Petroleum Engineering Technology Research Institute of Sinopec Zhongyuan Oilfield Co; Sinopec Zhongyuan Petroleum Engineering Design Co Ltd
Current assignee: East China Jiaotong University; Sinopec Oilfield Service Corp; Petroleum Engineering Technology Research Institute of Sinopec Zhongyuan Oilfield Co; Sinopec Zhongyuan Petroleum Engineering Design Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-08-20
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a high sulphur moisture pressure boost sled that contains, pressure boost sled include the turbocharging system of integration on the sled frame, and turbocharging system includes: the system comprises a heating furnace, a metering separator, a filtering system, a first buffer tank, a compression system, a second buffer tank, an air cooler, a production separator and a secondary separator which are sequentially connected from an input pipeline to an output pipeline; an inlet high-pressure protection valve is arranged on a pipeline between the metering separator and the filtering system; an outlet high-pressure protection valve is arranged on a pipeline between the air cooler and the production separator; a flow transmitter and a temperature transmitter are sequentially arranged on a pipeline between the filtering system and the first buffer tank; a pipeline between the first buffer tank and the compression system is sequentially connected with a pressure transmitter and a safety valve; an outlet shockproof pressure gauge is arranged at the outlet of the pressurizing prying pipeline. This compact structure is convenient for remove, and area is little, convenient to use, just the utility model discloses a pressure boost sled has the multiple functions of pressure boost, multiple filtration, dehydration.

Description

High-sulfur-content moisture pressurizing pry

Technical Field

The utility model relates to a gas well gas thoughtlessly defeated technical field, concretely relates to high sulphur moisture pressure boost sled that contains.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

The compressor is one of key supercharging devices widely used in the field of natural gas transportation. In the later period of gas well usage, the pressure of the wellhead is reduced year by year until the pressure approaches the suction pressure of the compressor, so that the gas well gas production is reduced. Compared with a single compressor, the skid-mounted compressor has the advantages that the skid-mounted compressor is compact in supercharging equipment and low in investment, configuration pipelines, instruments and functional modules in each compressor system can be skid-mounted and integrated, and the skid-mounted compressor is convenient to manage and maintain in a later period and is widely applied. Because the utility model discloses a compression sled has the function of pressure boost, multistage filtration dehydration to can realize that the pressure boost collection of high sulphur moisture is defeated.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

SUMMERY OF THE UTILITY MODEL

Based on aforementioned defect, the utility model aims to solve the technical problem that a multiple functions's pressure boost sled has pressure boost, multiple stage filtration, dehydration.

In order to realize the purpose, the utility model provides a technical scheme is:

a high sulfur moisture laden pressure boost sled comprising a pressure boost system integrated on a sled frame, the pressure boost system comprising: the system comprises a heating furnace, a metering separator, a filtering system, a first buffer tank, a compression system, a second buffer tank, an air cooler, a production separator and a secondary separator which are sequentially connected from an input pipeline to an output pipeline; an inlet high-pressure protection valve is arranged on a pipeline between the metering separator and the filtering system; an outlet high-pressure protection valve is arranged on a pipeline between the air cooler and the production separator; a flow transmitter and a temperature transmitter are sequentially arranged on a pipeline between the filtering system and the first buffer tank; a pipeline between the first buffer tank and the compression system is sequentially connected with a pressure transmitter and a safety valve; and an outlet shockproof pressure gauge is installed at the outlet of the pressurizing prying pipeline.

Furthermore, the filtering system comprises two groups of filtering devices which are arranged in parallel; the first group of filtering devices comprises a first filter inlet valve, a first filter and a first filter outlet valve which are connected in sequence; the second group of filtering devices comprises a second filter inlet valve, a second filter and a second filter outlet valve which are connected in sequence.

Further, the compression system comprises two groups of compression devices which are arranged in parallel; the first group of compression devices comprise a first outlet one-way valve, a first compressor and a first compressor outlet valve which are connected in sequence; the second group of compression devices comprises a second outlet one-way valve, a second compressor and a second compressor outlet valve which are sequentially connected.

Further, the pressurizing pry also comprises a liquid storage tank; a first check valve is arranged at one end, close to the metering separator, of a pipeline for communicating the metering separator with the liquid storage tank; a second check valve is arranged at one end, close to the production separator, of a pipeline for communicating the production separator with the liquid storage tank; and a third check valve is arranged at one end, close to the second-stage separator, of a pipeline for communicating the second-stage separator with the liquid storage tank.

Further, a set of bypass lines is arranged between the input line and the output line; a bypass electric valve is arranged on the bypass pipeline; one end of the bypass line is connected between the metering separator and the inlet high-pressure protection valve; the other end of the bypass line is connected between the outlet high pressure protection valve and the production separator.

Furthermore, two groups of pipelines which are connected in parallel are arranged between the pressure transmitter and the compression system; one group of pipelines is provided with the safety valve, and the other group of pipelines is provided with the pump.

Furthermore, the pressure boosting pry also comprises an automatic pressure boosting pry control system and an instrument control system; the automatic control system of the pressure boosting pry is electrically connected with the instrument control system; the automatic control system of the pressure boosting pry is electrically connected with the flow transmitter, the temperature transmitter, the pressure transmitter and the outlet shockproof pressure gauge; the instrument control system is connected with the inlet high-pressure protection valve, the outlet high-pressure protection valve, the safety valve, the first filter inlet valve, the first filter outlet valve, the second filter inlet valve, the second filter outlet valve, the first outlet one-way valve, the first compressor outlet valve, the second outlet one-way valve and the second compressor outlet valve in an electric connection mode.

Further, the pressure increasing pry also comprises a heat preservation heat tracing system; the heat-preservation heat tracing system consists of an electric heat-preservation belt wound on a pipeline and a heat-preservation layer covering the outside of the electric heat-preservation belt.

Further, a first mist catcher is installed at an outlet above the metering separator; a second mist catcher is arranged at an outlet above the production separator; and a third mist catcher is arranged at an outlet above the secondary separator.

The utility model discloses the gas well comes gas and gets into the measurement separator after the heating furnace throttle step-down by the input pipeline, and the natural gas after the measurement separation gets into filter equipment, filters out behind the impurity of big granule, and the flow, pressure etc. in the input pipeline are monitored by flow transmitter, temperature transmitter, the pressure transmitter on the input line to the natural gas again. When the flow and the temperature are lower than the rated values of the system, the automatic control system of the instrument is opened, so that the opening of each valve is controlled to control the flow, the temperature and the like. The regulation of pressure, etc. is accomplished by pumps, compressors, etc. in the system. The pressurized natural gas enters a buffer tank, is subjected to pressure stabilization and pressure regulation, then enters a production separator and a secondary separator for separation, is subjected to dehydration treatment, and then is subjected to total metering to be output. The utility model discloses can be with gas well gas on the basis that need not be with the help of other equipment, direct pressure boost input/output, this compact structure is convenient for remove, and area is little, and convenient to use need not plan the area, can be just near the installation at the gas well site. The utility model discloses a pressure boost sled has the multiple functions of pressure boost, multiple filtration, dehydration.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

In the figure:

the system comprises a heating furnace 1, a first check valve 3, a metering separator 4, a first mist catcher 5, an inlet high-pressure protection valve 6, a first filter inlet valve 7, a second filter inlet valve 8, a first filter 9, a second filter 10, a first filter outlet valve 11, a second filter outlet valve 12, a flow transmitter 13, a temperature transmitter 14, a first buffer tank 15, a pressure transmitter 16, a first outlet check valve 17, a second outlet check valve 18, a first compressor 19, a second compressor 20, a first compressor outlet valve 21, a second compressor outlet valve 22, a second buffer tank 23, an air cooling machine 24, an outlet high-pressure protection valve 25, a bypass electric valve 26, a second mist catcher 27, a production separator 28, a second check valve 29, a third check valve 30, a liquid storage tank 31, a second-stage separator 32, a third mist catcher 33, an outlet shockproof pressure gauge 34, A heat preservation heat tracing system 35, an instrument control system 36, a pressurization pry automatic control system 37, a safety valve 38 and a pump 39.

Detailed Description

In order to make the technical solutions in the present invention better understood, 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, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown, a high sulfur moisture pressurized sled includes a pressurization system integrated on a sled frame, the pressurization system including: the system comprises a heating furnace 1, a metering separator 4, a filtering system, a first buffer tank 15, a compression system, a second buffer tank 23, an air cooling machine 24, a production separator 28 and a secondary separator 32 which are sequentially connected from an input pipeline to an output pipeline; an inlet high-pressure protection valve 6 is arranged on a pipeline between the metering separator 4 and the filtering system; an outlet high-pressure protection valve 25 is arranged on a pipeline between the air cooler 24 and the production separator 28; a flow transmitter 13 and a temperature transmitter 14 are sequentially arranged on a pipeline between the filtering system and the first buffer tank 15; a pressure transmitter 16 and a safety valve 38 are sequentially connected to a pipeline between the first buffer tank 15 and the compression system; an outlet shockproof pressure gauge 34 is arranged at the outlet of the pressurizing prying pipeline. Wherein the outlet shock gauge 34 is used to monitor the pressure while locating the faults in the piping, pumps, etc. for ease of maintenance.

The filtering system is mainly used for filtering large-particle impurities in gas well gas and preventing pipelines from being blocked, and the filtering devices in the utility model are provided with two groups; the first group of filtering devices comprises a first filter inlet valve 7, a first filter 9 and a first filter outlet valve 11 which are connected in sequence; the second set of filtering means comprises a second filter inlet valve 8, a second filter 10 and a second filter outlet valve 12 connected in series. The two groups of filtering devices are arranged in parallel, so that when one group of filtering devices needs to be cleaned or damaged, the other group can be used for filtering, wherein the first filter inlet valve 7, the first filter outlet valve 11, the second filter inlet valve 8 and the second filter outlet valve 12 are used for being closed during maintenance, and then the filters are detached for cleaning and replacing.

Wherein, the middle compression system of the utility model comprises two groups of compression devices which are arranged in parallel; the first group of compression devices comprises a first outlet one-way valve 17, a first compressor 19 and a first compressor outlet valve 21 which are connected in sequence; the second group of compression devices comprises a second outlet one-way valve 18, a second compressor 20 and a second compressor outlet valve 22 which are connected in sequence. The two groups are arranged for the purpose that on one hand, if one group is damaged and needs to be repaired, the other group can be used for working; another object is to enable two sets of compressors to operate simultaneously when one set of compressors fails to meet the system requirements.

Further, the pressurizing pry further comprises a liquid storage tank 31; a first check valve 3 is arranged at one end, close to the metering separator 4, of a pipeline for communicating the metering separator 4 with the liquid storage tank 31; a second check valve 29 is arranged at one end of the pipeline, which is communicated with the liquid storage tank 31, of the production separator 28, close to one end of the production separator 28; a third check valve 30 is arranged at one end of the pipeline of the secondary separator 32 communicated with the liquid storage tank 31, which is close to the secondary separator 32.

Further, a set of bypass lines is arranged between the input line and the output line; a bypass electric valve 26 is arranged on the bypass pipeline; one end of the bypass line is connected between the metering separator 4 and the inlet high-pressure protection valve 6; the other end of the bypass line is connected between the outlet high pressure protection valve 25 and the production separator 28. The inlet high-pressure protection valve is used for sealing the input pipeline when the output pipeline is in overpressure, so that more gas well gas is prevented from entering the pressurization system to cause damage to the pressurization system; the bypass electric valve 26 is mainly arranged for bypassing and guiding substances in the pipe when the compression system, the filtering system and the like are in failure or the pressure of the output pipeline and the input pipeline exceeds the standard.

Furthermore, two groups of pipelines which are connected in parallel are arranged between the pressure transmitter 16 and the compression system; one set of lines is fitted with the safety valve 38 and the other set of lines is fitted with a pump 39. When the flow rate is lower than the rated value set by the system, the flow rate of the system needs to be regulated through a pump 39, and if the flow rate meets the system requirement, the natural gas only needs to pass through a safety valve 38 in a bypass pipeline.

Further, the pressure boosting pry also comprises an automatic pressure boosting pry control system 37 and an instrument control system 36; the automatic control system of the pressure boosting pry is electrically connected with the instrument control system; the automatic control system of the pressure boosting pry is electrically connected with the flow transmitter 13, the temperature transmitter 14, the pressure transmitter 16 and the outlet shockproof pressure gauge 34; the meter control system 36 is electrically connected with the inlet high-pressure protection valve 6, the outlet high-pressure protection valve 25, the safety valve 38, the first filter inlet valve 7, the first filter 9, the first filter outlet valve 11, the second filter inlet valve 8, the second filter 10, the second filter outlet valve 12, the first outlet check valve 17, the first compressor outlet valve 21, the second outlet check valve 18 and the second compressor outlet valve 22. The pressure boost automatic control system 37 can monitor information such as flow, temperature and pressure monitored by the flow transmitter 13, the temperature transmitter 14, the pressure transmitter 16 and the outlet shockproof pressure gauge 34 in real time, when the pressure, temperature and flow in the pressure boost system need to be adjusted, the pressure boost automatic control system 37 sends regulation and control information to the instrument control system 36, and the instrument control system controls the opening and closing of the inlet high-pressure protection valve 6, the outlet high-pressure protection valve 25, the safety valve 38, the first filter inlet valve 7, the first filter 9, the first filter outlet valve 11, the second filter inlet valve 8, the second filter 10, the second filter outlet valve 12, the first outlet check valve 17, the first compressor outlet valve 21, the second outlet check valve 18 and the second compressor outlet valve 22.

Further, the pressurizing pry further comprises a heat-preservation heat tracing system 35; the utility model discloses mainly adopt electric heat preservation heat tracing system, heat preservation heat tracing system 35 comprises the electric heat preservation area of winding on the pipeline, the outside heat preservation of cover in electric heat preservation area. The device can avoid the phenomenon of freezing and blocking in the pipeline when the outdoor temperature is very low and the duration is long.

Further, a first mist catcher 5 is arranged at an outlet above the metering separator 4; a second mist catcher 27 is arranged at an outlet above the production separator 28; a third mist catcher 33 is arranged at an outlet above the secondary separator 32.

The utility model discloses a work flow does:

the gas well gas enters a heating furnace through an input pipeline for heating throttling, the throttled gas well gas enters a metering separator for primary metering separation, then is connected to an inlet and outlet high-pressure protection valve through an output pipeline of the metering separator, then enters a filtering system, after large-particle impurities are filtered out, the natural gas is connected to a flow transmitter through an input line, the flow and the temperature are monitored by the temperature transmitter in real time, if the flow and the temperature meet the set requirements of the system, the natural gas meeting the set requirements of the system firstly enters a first buffer tank for pressure stabilization and then enters a pressure transmitter again, when the flow in the system meets the requirements, the natural gas enters a compression system through a first safety valve of a bypass and then is connected to a second buffer tank for pressure stabilization, the natural gas sequentially enters an air cooler on an output pipeline for cooling, a production separator performs gas-liquid separation, The secondary separator is dehydrated and separated again, and the total output is carried out after passing through an outlet shockproof pressure gauge; if the natural gas passing through the flow transmitter does not meet the system setting, the natural gas needs to enter a pump, and then enters a compression sledge to finish the flow in sequence and then carry out total metering output. The whole system carries out filtration and dehydration separation on the natural gas for many times, thereby realizing the pressurization treatment of the moisture with high sulfur content.

It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of the subject matter that is disclosed herein is not intended to forego the subject matter, nor should it be construed that applicants do not consider the subject matter to be part of the disclosed invention.

Claims

1. The high sulfur content moisture pressurizing sled comprises a pressurizing system integrated on a sled frame, wherein the pressurizing system comprises: the device comprises a heating furnace (1), a metering separator (4), a filtering system, a first buffer tank (15), a compression system, a second buffer tank (23), an air cooling machine (24), a production separator (28) and a secondary separator (32), which are sequentially connected from an input pipeline to an output pipeline; an inlet high-pressure protection valve (6) is arranged on a pipeline between the metering separator (4) and the filtering system; an outlet high-pressure protection valve (25) is arranged on a pipeline between the air cooler (24) and the production separator (28); a flow transmitter (13) and a temperature transmitter (14) are sequentially arranged on a pipeline between the filtering system and the first buffer tank (15); a pipeline between the first buffer tank (15) and the compression system is sequentially connected with a pressure transmitter (16) and a safety valve (38); an outlet shockproof pressure gauge (34) is installed at the outlet of the pressurizing prying pipeline.

2. The high sulfur content moisture booster sled of claim 1 wherein the filtration system comprises two sets of filtration devices arranged in parallel; the first group of filtering devices comprises a first filter inlet valve (7), a first filter (9) and a first filter outlet valve (11) which are connected in sequence; the second group of filtering devices comprises a second filter inlet valve (8), a second filter (10) and a second filter outlet valve (12) which are connected in sequence.

3. The high sulfur content wet gas booster skid of claim 1 or 2, wherein said compression system comprises two sets of compression devices arranged in parallel; the first group of compression devices comprise a first outlet one-way valve (17), a first compressor (19) and a first compressor outlet valve (21) which are connected in sequence; the second group of compression devices comprises a second outlet one-way valve (18), a second compressor (20) and a second compressor outlet valve (22) which are connected in sequence.

4. The high sulfur content moisture booster sled of claim 3 further comprising a fluid reservoir (31); a first check valve (3) is arranged at one end, close to the metering separator (4), of a pipeline for communicating the metering separator (4) with the liquid storage tank (31); a second check valve (29) is arranged at one end, close to the production separator (28), of a pipeline for communicating the production separator (28) with the liquid storage tank (31); and a third check valve (30) is arranged at one end, close to the secondary separator (32), of a pipeline for communicating the secondary separator (32) with the liquid storage tank (31).

5. The high sulfur content moisture pressurization sled of claim 1, 2 or 4 wherein a set of bypass lines are provided between the input line and the output line; a bypass electric valve (26) is arranged on the bypass pipeline; one end of the bypass line is connected between the metering separator (4) and the inlet high-pressure protection valve (6); the other end of the bypass line is connected between the outlet high pressure protection valve (25) and the production separator (28).

6. The high sulfur content wet gas pressurizing pry of claim 5, wherein two sets of lines are further provided in parallel between the pressure transmitter (16) and the compression system; one set of lines is fitted with the safety valve (38) and the other set of lines is fitted with a pump (39).

7. The high sulfur content moisture booster sled of claim 6 further comprising a booster sled automatic control system (37), an instrument control system (36); the automatic control system of the pressure boosting pry is electrically connected with the instrument control system; the automatic control system of the pressure boosting pry is electrically connected with the flow transmitter (13), the temperature transmitter (14), the pressure transmitter (16) and the outlet shockproof pressure gauge (34); the instrument control system (36) is electrically connected with the inlet high-pressure protection valve (6), the outlet high-pressure protection valve (25), the safety valve (38), the first filter inlet valve (7), the first filter (9), the first filter outlet valve (11), the second filter inlet valve (8), the second filter (10), the second filter outlet valve (12), the first outlet one-way valve (17), the first compressor outlet valve (21), the second outlet one-way valve (18) and the second compressor outlet valve (22).

8. The high sulfur content moisture booster skid of claim 7, further comprising a heat retention trace system (35); the heat-preservation heat tracing system (35) is composed of an electric heat-preservation belt wound on a pipeline and a heat-preservation layer covering the outside of the electric heat-preservation belt.

9. The high sulfur content wet gas pressure intensifying pry as set forth in claim 1, 2, 4, 6, 7 or 8, characterized in that a first mist catcher (5) is installed at an outlet above the metering separator (4); a second mist catcher (27) is arranged at an outlet above the production separator (28); and a third mist catcher (33) is arranged at an outlet above the secondary separator (32).