CN203716946U - Skid-mounted liquid carbon dioxide injection device - Google Patents
Skid-mounted liquid carbon dioxide injection device Download PDFInfo
- Publication number
- CN203716946U CN203716946U CN201420125868.XU CN201420125868U CN203716946U CN 203716946 U CN203716946 U CN 203716946U CN 201420125868 U CN201420125868 U CN 201420125868U CN 203716946 U CN203716946 U CN 203716946U
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- injection
- pump
- liquid
- injection pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000002347 injection Methods 0.000 title claims abstract description 76
- 239000007924 injection Substances 0.000 title claims abstract description 76
- 239000007788 liquid Substances 0.000 title claims abstract description 56
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 48
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 48
- 239000007791 liquid phase Substances 0.000 claims description 20
- 239000012071 phase Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model discloses a skid-mounted liquid carbon dioxide injection device. The skid-mounted liquid carbon dioxide injection device solves the problems that an existing injection device can not be managed easily and data recording errors easily occur. The skid-mounted liquid carbon dioxide injection device specifically comprises an operating room, an injection metering unit and an electrical control unit, wherein the injection metering unit comprises a liquid feeding pump, an injection pump and a flow meter and is provided with a gas phase pipeline so that gasified carbon dioxide can conduct circulating refrigeration on the injection pump in the injection process, and the situation that the injection pump can not work normally due to the fact that the a large amount of liquid carbon dioxide is gasified is prevented; signals of a pressure sensor, a temperature sensor, a carbon dioxide detector and the flow meter are collected in real time through a data collector of the electrical control unit and are uploaded to an industrial personal computer, the industrial personal computer sends an instruction to a frequency converter to enable the injection speed of the injection pump to be regulated or sends instructions for starting and stopping of a system and opening and closing of an electric ball valve according to set parameters. The skid-mounted liquid carbon dioxide injection device has the advantages of being high in integration level, high in safety, easy to operate and the like, and automatic acquisition and control of data can be achieved.
Description
Technical field
The utility model relates to a kind of injection device of liquid carbon dioxide.
Background technology
The carbon dioxide injection technique adopting at present mainly contains two kinds of modes of gas injection in mobile gas injection and station, the equipment adopting is mechanical type mostly, the matching equipment such as injection pump, hello liquid pump, flow meter, ball-and-seat, frequency converter, high-pressure ball valve are disperseed, management is got up also cumbersome, equipment arrives job site needs assembling, both lost time, also wasting manpower and material resources; Data acquisition and equipment are controlled all by manually completing, and especially in higher-pressure region, operation exists very large danger; In addition, due to manual record data exist record not in time, the phenomenon of error of omission, incorrect posting.
Summary of the invention
The purpose of this utility model is for the problem existing in background technology, and a kind of skid-mounted type liquid carbon dioxide injection device is provided, and this device has the features such as integrated level is high, safe, simple to operate, and can realize automatic collection and the control of data.
For achieving the above object, the technical solution adopted in the utility model is: a kind of skid-mounted type liquid carbon dioxide injection device, comprise operation room, inject metering units and electric control unit, injecting metering units and electric control unit is placed in operation room, described injection metering units, comprise and feed liquid pump, injection pump and flow meter, described hello the liquid phase entrance of liquid pump and the liquid-phase outlet pipeline of carbon dioxide storage tank are connected, feeding the liquid-phase outlet of liquid pump and the liquid phase suction line of injection pump is connected, the liquid-phase outlet pipeline connection traffic meter of injection pump, the outlet of flow meter arranges ball-and-seat, the outlet line of ball-and-seat is connected to well head, in addition, between injection pump and hello liquid pump and carbon dioxide storage tank, gas phase pipeline is set, on the outlet line of ball-and-seat, blow-down pipe is set,
Described electric control unit, comprise some electrical ball valves, three pressure sensors, temperature pick up, carbon dioxide survey meter, data acquisition unit, frequency converter and Industrial Personal Computer (IPC)s, above-mentioned electrical ball valve be separately positioned on carbon dioxide storage tank and feed on the liquid phase pipeline between liquid pump, feed on the liquid phase pipeline between liquid pump and injection pump, on the gas phase pipeline on injection pump and the gas phase pipeline of feeding between liquid pump, between hello liquid pump and carbon dioxide storage tank, on flow meter suction line, on well head suction line and on blow-down pipe; Above-mentioned pressure sensor is separately positioned on the outlet line of feeding liquid pump, on the outlet line of injection pump and on the outlet line of ball-and-seat, said temperature sensor setting is at the pump head place of injection pump, above-mentioned carbon dioxide survey meter is arranged on the inwall of operation room, the input of data acquisition unit is distinguished Bonding pressure sensor, temperature pick up, carbon dioxide survey meter and flow meter by signal cable, between the output of data acquisition unit and Industrial Personal Computer (IPC), with Ethernet holding wire, is connected; Industrial Personal Computer (IPC), according to setup parameter, will pass to electrical ball valve, frequency converter, injection pump under director data.
The beneficial effects of the utility model:
(1) automaticity is high: can realize automatic data collection, and automatically control according to actual parameter;
(2) simple to operate: system arranges start & shutdown through one key function, no matter working experience height all can operate;
(3) authenticity is strong: the data of monitoring show with the form of form and electronic flow sheet, and the data record time can regulate as required, avoid data record not in time, the phenomenon of error of omission, incorrect posting;
(4) integrated level is high: skid-mounted type liquid carbon dioxide injection system apparatus is perfect, and the interior injection construction that has both been applicable to stand, is also applicable to the mobile construction of injecting;
(5) safe: personnel needn't controlled valve, operating equipment start and stop on high pressure line, by software or control platform and can operate, safety improves greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model skid-mounted type liquid carbon dioxide injection device.
Fig. 2 is the electrical schematic diagram of the electric control unit of the utility model skid-mounted type liquid carbon dioxide injection device.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1: a kind of skid-mounted type liquid carbon dioxide injection device, comprise operation room 4, inject metering units and electric control unit, inject metering units and electric control unit and be placed in operation room 4, described injection metering units, comprises and feeds liquid pump 8, injection pump 16 and flow meter 17; Described electric control unit comprises three pressure sensors, temperature pick up, carbon dioxide survey meter, some electrical ball valves, data acquisition unit, frequency converter and Industrial Personal Computer (IPC); Hello the liquid phase entrance of liquid pump 8 and the liquid-phase outlet pipeline 3 of liquid carbon dioxide storage tank 1 of above-mentioned injection metering units are connected, and the first electrical ball valve 6 is set on this pipeline, feeding the liquid-phase outlet of liquid pump 8 and the liquid phase suction line of injection pump 16 is connected, and the second electrical ball valve 13 is set on this pipeline, the liquid-phase outlet pipeline connection traffic meter 17 of injection pump 16, and the 3rd electrical ball valve 20 is set on this pipeline, the outlet of flow meter 17 arranges ball-and-seat 15, the outlet line of ball-and-seat 15 is connected to well head, and the 4th electrical ball valve 7 is also set on this pipeline; In addition, between injection pump 16 and hello liquid pump 8 and liquid carbon dioxide storage tank 1, gas phase pipeline 2 is set, this gas phase pipeline 2 is divided into two sections, first paragraph is carbon dioxide storage tank 1 and feeds between liquid pump 8, the 5th electrical ball valve 5 is set on this section of gas phase pipeline, and second segment, for feeding between liquid pump 8 and injection pump 16, arranges the 6th electrical ball valve 12 on this section of gas phase pipeline, on the outlet line of ball-and-seat 15, blow-down pipe is set, the 7th electrical ball valve 9 is set on this blow-down pipe.
By Fig. 1 in conjunction with shown in Fig. 2: three pressure sensors in above-mentioned electric control unit comprise and are arranged on first pressure sensor 10 of feeding on liquid pump outlet line, the second pressure sensor 18 on injection pump outlet line and the 3rd pressure sensor 11 on ball-and-seat outlet line, said temperature sensor 19 is arranged on the pump head place of injection pump, above-mentioned carbon dioxide survey meter 14 is arranged on the inwall of operation room 4, above-mentioned pressure sensor, temperature pick up 19, carbon dioxide survey meter 14 and flow meter 17 are connected with the input of data acquisition unit 23 by signal cable, between the output of data acquisition unit 23 and Industrial Personal Computer (IPC) 21, with Ethernet holding wire, be connected, Industrial Personal Computer (IPC) 21 is also connected with display, keyboard and mouse, carries out the operations such as data input, instruction issuing.The signal of data acquisition unit 23 Real-time Collection pressure sensors, temperature pick up 19, carbon dioxide survey meter 14 and flow meter 17, upload to Industrial Personal Computer (IPC) 21, Industrial Personal Computer (IPC) 21 is according to setup parameter, or assign instruction and to frequency converter 22, regulate the orders such as the injection rate of injection pumps 16, or issuing system start and stop, electrical ball valve switch.
In order to prevent the impact of cold air on Industrial Personal Computer (IPC), data acquisition unit and frequency converter etc., the interior partitions 24 that arranges of operation room 4.
The course of work of the utility model device:
(1) injection process: pass through display, keyboard and mouse are assigned and are injected order, Industrial Personal Computer (IPC) receives the backward data acquisition unit 23 of order and sends Ethernet command signal, data acquisition unit 23 is transferred to the first electrical ball valve 6 after ethernet signal is converted to industrial signal, the second electrical ball valve 13, the 5th electrical ball valve 5 and the 6th electrical ball valve 12, open above-mentioned electrical ball valve, each pressure sensor of while, temperature pick up 19, carbon dioxide survey meter 14 and flow meter 17 are to data pick-up signal transmission and be further transferred to Industrial Personal Computer (IPC), after pump head temperature reaches-20 ℃ (adjustable), open the 3rd electrical ball valve 20 and the 4th electrical ball valve 7, when then unlatching hello liquid pump 8(the first pressure sensor 10 registrations are stabilized to 2MPa left and right), after pressure is normal, open injection pump 16.Liquid carbon dioxide is discharged through the first electrical ball valve 6 to feeding liquid pump 8 from the liquid phase pipeline 3 of storage tank (or tank car), after feeding liquid pump 8 superchargings, flow through the second electrical ball valve 13 and enter injection pump 16, injection pump 16 and feed the unnecessary carbon dioxide of liquid pump 8 and get back in liquid carbon dioxide storage tank 1 through flow through the 5th electrical ball valve 5 and the 6th electrical ball valve 12 of gas phase pipeline 2.A small amount of carbon dioxide of above-mentioned gasification carries out circularly cooling to injection pump and injection flow process, prevents that a large amount of gasifications of liquid carbon dioxide from causing injection pump to run well; The flow of liquid carbon dioxide that injection pump 16 is discharged drains into injection well head through the 3rd electrical ball valve 20, flow meter 17, ball-and-seat 15, the 4th electrical ball valve 7, completes the injection process of liquid carbon dioxide.In injection process, first and second pressure sensor is monitored respectively the injection pressure of feeding liquid pump and injection pump, the gas concentration lwevel in carbon dioxide survey meter 14 monitoring operation rooms 4.
(2) termination of pumping process: when system occurs abnormal, while maybe needing to stop injecting as situations such as superpressure, leakages, first stop injection pump 16 and feed liquid pump 8, then close the first electrical ball valve 6, the second electrical ball valve 13, the 5th electrical ball valve 5 and the 6th electrical ball valve 12, close afterwards the 3rd electrical ball valve 20 and the 4th electrical ball valve 7, finally open the 7th electrical ball valve 9 and carry out emptying.
From foregoing description, can find out, the utility model device has been realized injection pump, has been fed opening and closing automatically of liquid pump, frequency converter and electrical ball valve, collection and the control of can realize instantaneous injection flow, totally injecting flow, pump head temperature, gas concentration lwevel, injection pressure, can record and store operational sequence in work progress and storage of collected to work progress in relevant parameter and data, can realize remote monitoring.
Claims (1)
1. a skid-mounted type liquid carbon dioxide injection device, comprise operation room, inject metering units and electric control unit, injecting metering units and electric control unit is placed in operation room, described injection metering units, comprise and feed liquid pump, injection pump and flow meter, described hello the liquid phase entrance of liquid pump and the liquid-phase outlet pipeline of carbon dioxide storage tank are connected, feeding the liquid-phase outlet of liquid pump and the liquid phase suction line of injection pump is connected, the liquid-phase outlet pipeline connection traffic meter of injection pump, the outlet of flow meter arranges ball-and-seat, and the outlet line of ball-and-seat is connected to well head; In addition, between injection pump and hello liquid pump and carbon dioxide storage tank, gas phase pipeline is set, on the outlet line of ball-and-seat, blow-down pipe is set; Described electric control unit, comprise some electrical ball valves, three pressure sensors, temperature pick up, carbon dioxide survey meter, data acquisition unit, frequency converter and Industrial Personal Computer (IPC)s, above-mentioned electrical ball valve be separately positioned on carbon dioxide storage tank and feed on the liquid phase pipeline between liquid pump, feed on the liquid phase pipeline between liquid pump and injection pump, on the gas phase pipeline on injection pump and the gas phase pipeline of feeding between liquid pump, between hello liquid pump and carbon dioxide storage tank, on flow meter suction line, on well head suction line and on blow-down pipe; Above-mentioned pressure sensor is separately positioned on the outlet line of feeding liquid pump, on the outlet line of injection pump and on the outlet line of ball-and-seat, said temperature sensor setting is at the pump head place of injection pump, above-mentioned carbon dioxide survey meter is arranged on the inwall of operation room, the input of data acquisition unit is distinguished Bonding pressure sensor, temperature pick up, carbon dioxide survey meter and flow meter by signal cable, between the output of data acquisition unit and Industrial Personal Computer (IPC), with Ethernet holding wire, is connected; Industrial Personal Computer (IPC), according to setup parameter, will pass to electrical ball valve, frequency converter, injection pump under director data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125868.XU CN203716946U (en) | 2014-03-19 | 2014-03-19 | Skid-mounted liquid carbon dioxide injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125868.XU CN203716946U (en) | 2014-03-19 | 2014-03-19 | Skid-mounted liquid carbon dioxide injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716946U true CN203716946U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420125868.XU Expired - Lifetime CN203716946U (en) | 2014-03-19 | 2014-03-19 | Skid-mounted liquid carbon dioxide injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716946U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830409A (en) * | 2017-11-30 | 2018-03-23 | 洛阳绿潮环保科技有限公司 | A kind of drag reducer precision injection device that remote monitoring is realized by cell phone application |
| CN108374655A (en) * | 2018-04-02 | 2018-08-07 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Liquid carbon dioxide dry method sand fracturing system and technological process |
| CN109209313A (en) * | 2018-10-11 | 2019-01-15 | 江苏华扬液碳有限责任公司 | A kind of skid gas injection device |
| CN109469464A (en) * | 2018-10-29 | 2019-03-15 | 中国石油大学(华东) | A kind of carbon dioxide injection device of carbon dioxide drive |
-
2014
- 2014-03-19 CN CN201420125868.XU patent/CN203716946U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830409A (en) * | 2017-11-30 | 2018-03-23 | 洛阳绿潮环保科技有限公司 | A kind of drag reducer precision injection device that remote monitoring is realized by cell phone application |
| CN108374655A (en) * | 2018-04-02 | 2018-08-07 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Liquid carbon dioxide dry method sand fracturing system and technological process |
| CN108374655B (en) * | 2018-04-02 | 2023-11-17 | 中国石油天然气集团有限公司 | Liquid carbon dioxide dry sand fracturing system and technological process |
| CN109209313A (en) * | 2018-10-11 | 2019-01-15 | 江苏华扬液碳有限责任公司 | A kind of skid gas injection device |
| CN109469464A (en) * | 2018-10-29 | 2019-03-15 | 中国石油大学(华东) | A kind of carbon dioxide injection device of carbon dioxide drive |
| CN109469464B (en) * | 2018-10-29 | 2020-11-06 | 中国石油大学(华东) | Carbon dioxide injection device for carbon dioxide flooding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210203 Address after: 710065 No. 32 Tuanjie South Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: Xi'an Sunward Aerospace Material Co.,Ltd. Address before: No.32, Tuanjie South Road, high tech Zone, Yanta District, Xi'an City, Shaanxi Province, 710065 Patentee before: Xi'an Sunward Aerospace Material Co.,Ltd. Patentee before: DAQING SUNVALOR AEROSPACE TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |