CN115595174A - Skid-mounted equipment for crude oil sealing treatment - Google Patents
Skid-mounted equipment for crude oil sealing treatment Download PDFInfo
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- CN115595174A CN115595174A CN202211224620.4A CN202211224620A CN115595174A CN 115595174 A CN115595174 A CN 115595174A CN 202211224620 A CN202211224620 A CN 202211224620A CN 115595174 A CN115595174 A CN 115595174A
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- Prior art keywords
- phase separator
- fixedly connected
- skid
- buffer tank
- pressure buffer
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1033—Oil well production fluids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pipeline Systems (AREA)
Abstract
The invention relates to the technical field of crude oil treatment, in particular to skid-mounted equipment for crude oil closed treatment, wherein the side wall of a three-phase separator is fixedly connected with a three-phase separator inlet, the side wall of the three-phase separator is fixedly connected with a three-phase separator water outlet, the side wall of the three-phase separator is fixedly connected with a three-phase separator drain outlet, the side wall of the three-phase separator is fixedly connected with a three-phase separator gas outlet, a three-phase separator oil outlet is fixedly connected between the three-phase separator and the inlet of a pressure buffer tank, the side wall of the pressure buffer tank is fixedly connected with a pressure buffer tank gas outlet, a pressure buffer tank oil outlet is fixedly connected between the pressure buffer tank and the inlet end of an external delivery pump, and the outlet end of the external delivery pump is fixedly connected with an external delivery pump outlet. Therefore, the invention can effectively reduce the discharge of VOCs, reduce the occupied area, save land resources and reduce the labor intensity and the cost of management, operation and maintenance in the operation process.
Description
Technical Field
The invention relates to the technical field of crude oil treatment, in particular to skid-mounted equipment for crude oil closed treatment.
Background
At present, the production flow of production stations such as an oil field transfer station, a water diversion station and the like mainly comprises that well drainage liquid enters a three-phase separator or an oil-gas separator, and water-containing crude oil enters a normal-pressure storage tank for buffering, is conveyed to a next-stage combination station by an external conveying pump for further processing into purified oil and is matched with a fire-fighting system. In recent years, the state strengthens the management work of environmental protection, and the medium petrochemical industry responds to the national policy, creates a low-carbon environment-friendly oil field, and the oil field is carrying out the work of flue gas emission and VOCs emission control.
At present, the existing production flow adopts a normal-pressure storage tank provided with a hydraulic safety valve and a breather valve, the volatile gas is directly discharged into the atmosphere, the environmental problem exists, the flow is long, the heat loss is large, the occupied area is large, and the workload of later-period management and operation and maintenance can be increased.
How to effectively reduce the discharge of VOCs, reduce the occupied area, save land resources, reduce the labor intensity and the cost of management and operation and maintenance in the operation process becomes a technical problem needing to be broken through.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects, the invention aims to provide the skid-mounted equipment for the sealed treatment of the crude oil, which has a simple structure, can effectively reduce the emission of VOCs, the floor area and the land resources in the operation process, and reduces the labor intensity and the management, operation and maintenance costs.
In order to achieve the purpose, the invention provides skid-mounted equipment for crude oil closed treatment, wherein a three-phase separator inlet is fixedly connected to the side wall of a three-phase separator, a three-phase separator water outlet is fixedly connected to the side wall of the three-phase separator, a three-phase separator sewage discharge outlet is fixedly connected to the side wall of the three-phase separator, a three-phase separator gas outlet is fixedly connected to the side wall of the three-phase separator, a three-phase separator oil outlet is fixedly connected between the three-phase separator and the inlet of a pressure buffer tank, a pressure buffer tank gas outlet is fixedly connected to the side wall of the pressure buffer tank, a pressure buffer tank oil outlet is fixedly connected between the pressure buffer tank and the inlet end of an external delivery pump, and an external delivery pump outlet is fixedly connected to the outlet end of the external delivery pump.
According to the skid-mounted equipment for the crude oil closed treatment, the side wall of the inlet of the three-phase separator is provided with the temperature transmitter of the three-phase separator.
According to the skid-mounted equipment for the closed treatment of the crude oil, the side walls of the three-phase separator and the pressure buffer tank are provided with manholes.
According to the skid-mounted equipment for the closed treatment of crude oil, the top of the three-phase separator is provided with a liquid level meter port of the three-phase separator, and the bottom of the pressure buffer tank is provided with a liquid level meter port of the pressure buffer tank.
According to the skid-mounted equipment for the crude oil closed treatment, an external conveying pump inlet pressure transmitter is arranged at the inlet of the external conveying pump, and an external conveying pump outlet pressure transmitter is arranged at the outlet of the external conveying pump.
According to the skid-mounted equipment for the crude oil closed treatment, the explosion-proof variable frequency control cabinet is fixedly connected in the skid, and the output pump is electrically connected with the explosion-proof variable frequency control cabinet.
According to the skid-mounted equipment for the closed treatment of the crude oil, the side wall of the oil outlet of the three-phase separator is fixedly connected with an electric regulating valve and an electric cut-off valve.
According to the skid-mounted equipment for sealing and processing crude oil, the electric regulating valve and the electric cut-off valve are electrically connected with the liquid level meter port of the three-phase separator and the liquid level meter port of the pressure buffer tank.
According to the skid-mounted equipment for the closed treatment of the crude oil, the side wall of the three-phase separator is fixedly connected with the safety valve port of the three-phase separator.
According to the skid-mounted equipment for the crude oil closed treatment, the side wall of the pressure buffer tank is fixedly connected with the safety valve port of the pressure buffer tank.
The invention aims to provide skid-mounted equipment for closed treatment of crude oil, which comprises a three-phase separator, a pressure buffer tank and a plurality of groups of external delivery pumps arranged in a skid, is suitable for a transfer station and a water distribution station, can replace the conventional normal-pressure storage tank, realizes closed gathering and delivery, reduces the discharge of VOCs, and is favorable for protecting the environment; the skid-mounted equipment occupies small area, saves land resources of a station, releases land, and can be used for new energy project construction such as photovoltaic power generation, waste heat utilization and the like; the skid-mounted equipment is manufactured according to the requirement of the pressure container in a pressure container workshop, is assembled into a skid, is integrally transported to a field for installation, is convenient and simple to construct, can shorten the construction period, can realize linkage joint control, and reduces the labor intensity and the cost of management, operation and maintenance. In conclusion, the beneficial effects of the invention are as follows: in the operation process, the discharge of VOCs can be effectively reduced, the floor area is reduced, the land resources are saved, and the labor intensity and the management, operation and maintenance cost are reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1-three-phase separator inlet, 2-three-phase separator oil outlet, 3-pressure buffer tank oil outlet, 4-output pump outlet, 5-three-phase separator gas outlet, 6-three-phase separator safety valve port, 7-three-phase separator liquid level meter port, 8-three-phase separator sewage discharge port, 9-three-phase separator water outlet, 10-pressure buffer tank safety valve port, 11-pressure buffer tank liquid level meter port, 12-pressure buffer tank gas outlet, 13-three-phase separator temperature transmitter, 14-output pump outlet pressure transmitter, 15-output pump inlet pressure transmitter, 16-explosion-proof variable frequency control cabinet, 17-manhole, 18-three-phase separator, 19-pressure buffer tank and 20-output pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention provides the following preferred embodiments:
example one
Referring to fig. 1, the invention provides a skid-mounted device for crude oil sealing treatment, which comprises a three-phase separator 18, a pressure buffer tank 19 and a plurality of sets of outward transportation pumps 20 arranged in a skid, wherein the skid-mounted device can be divided into a plurality of sections of assembly structural members according to the transportation limitation requirement, and is manufactured in a pressure container workshop according to the requirement of pressing a pressure container. The skid-mounted structural part is welded, assembled and connected together on site after being transported to an installation site, and finally a skid-mounted equipment product is formed. The device is divided into a three-phase separator skid block, a pressure buffer tank skid block and an external transportation pump skid block, the size of the device in the skid can be adjusted according to the treatment capacity, the side wall of a three-phase separator 18 is fixedly connected with a three-phase separator inlet 1, the side wall of the three-phase separator 18 is fixedly connected with a three-phase separator water outlet 9, the side wall of the three-phase separator 18 is fixedly connected with a three-phase separator sewage drain 8, the side wall of the three-phase separator 18 is fixedly connected with a three-phase separator gas outlet 5, a three-phase separator oil outlet 2 is fixedly connected between the three-phase separator 18 and the inlet of the pressure buffer tank 19, the side wall of the pressure buffer tank 19 is fixedly connected with a pressure buffer tank gas outlet 12, a pressure buffer tank oil outlet 3 is fixedly connected between the pressure buffer tank 19 and the inlet of the external transportation pump 20, and an external transportation pump outlet 4 is fixedly connected with the external transportation pump 20, so that the device is suitable for connecting a transfer station and a water distribution station to replace the existing normal pressure storage tank to realize closed transportation, reduce the discharge of VOCS and is beneficial to protect the environment; the skid-mounted equipment occupies a small area, saves land resources of a station, releases land, and can be used for new energy project construction such as photovoltaic power generation, waste heat utilization and the like;
when the skid-mounted equipment is installed on site, the skid-mounted equipment is installed on the ground, a skid block foundation needs to be made, and rust removal, paint brushing, external corrosion prevention and the like in the skid block are finished in a workshop. The skid-mounted equipment is provided with a skid seat, after the foundation is prefabricated and qualified, the skid-mounted equipment is directly hoisted on the foundation, and is fixed by a foundation bolt after the horizontal and vertical installation is checked to be correct;
when the storage tank is installed on site, the storage tank is generally installed horizontally, and the installation of the pipe bundle has no gradient. When the installation is needed, the tube bundle arranged in a tube row mode can have an installation gradient, the concentration pipe at one end of the tube bundle is higher, and the concentration pipe at the other end of the tube bundle is lower. A collecting pipe provided with a liquid inlet and a liquid outlet is arranged at a low position, and the gradient of the pipe bundle is generally 0.1 to 0.3 percent;
the skid-mounted equipment can be manufactured in a workshop in three parts, the requirements of automobile transportation are met, the skid-mounted equipment is divided into equally divided skid blocks such as a three-phase separator skid block, a pressure buffer tank skid block and an external delivery pump skid block, the product is finally formed by welding and assembling the divided skid blocks on site after the divided skid blocks are transported to the site, the site welding does not involve the welding and installation of a pressure container body, only involves the pipeline connection between the divided skid blocks, the construction is simple and convenient, and the nondestructive detection and the postweld heat treatment are carried out on the welding seam of the site welding according to the requirements.
Example two
Referring to fig. 1, the present embodiment is different from the above embodiments in that the sidewall of the inlet 1 of the three-phase separator is provided with a three-phase separator temperature transmitter 13 for detecting the temperature of the skid.
In this embodiment, the side walls of the three-phase separator 18 and the pressure buffer tank 19 are provided with manholes 17, so that when the three-phase separator is internally maintained, detected and overhauled, the hydrocarbon gas in the storage tank is subjected to nitrogen replacement to meet the requirements of internal detection and overhaul.
In this embodiment, the top of three-phase separator 18 is provided with three-phase separator level gauge mouth 7, and the bottom of pressure buffer tank 19 is provided with pressure buffer tank level gauge mouth 11 for observe the liquid level in the storage tank, three-phase separator 18, pressure buffer tank 19's exit etc. all are equipped with pressure transmitter.
In this embodiment, an inlet pressure transmitter 15 of the output pump is disposed at an inlet of the output pump 20, and an outlet pressure transmitter 14 of the output pump is disposed at an outlet of the output pump 20, and is used for detecting the pressure of the skid block.
In this embodiment, the explosion-proof variable frequency control cabinet 16 is fixedly connected in the sled, the output pump 20 is electrically connected with the explosion-proof variable frequency control cabinet 16, and the output pump 20 is adjusted by variable frequency for adjusting the output flow rate, and can also be controlled to remotely start and stop the output pump 20.
In this embodiment, the lateral wall fixedly connected with electrical control valve and electronic trip valve of three-phase separator oil export 2 for to the liquid level regulation and control.
EXAMPLE III
Referring to fig. 1, the difference between this embodiment and the above embodiments is that the electric control valve and the electric cut-off valve are electrically connected to the three-phase separator level gauge port 7 and the pressure buffer tank level gauge port 11, so that the liquid level can be automatically regulated and controlled, and the use is more convenient.
In this embodiment, the sidewall of the three-phase separator 18 is fixedly connected with the three-phase separator relief valve port 6 for the purpose of operation safety of the three-phase separator 18.
In this embodiment, a pressure buffer tank relief valve port 10 is fixedly connected to a side wall of the pressure buffer tank 19 for the purpose of operation safety of the pressure buffer tank 19.
The specific working process of the invention is as follows:
firstly, well drainage liquid enters a three-phase separator 18 through an inlet 1 of the three-phase separator, the liquid level in a storage tank is observed through a liquid level meter port 7 of the three-phase separator, and the well drainage liquid is interlocked with an electric regulating valve of an oil outlet 2 of the three-phase separator; the natural gas enters a rear-end natural gas system through a gas outlet 5 of the three-phase separator after pressure regulation and metering; after being measured, the water enters a rear-end water treatment system through a water outlet 9 of the three-phase separator; the low water content crude oil after water diversion enters a pressure buffer tank 19 through an oil outlet 3 of the pressure buffer tank, and the buffer solution enters an output pump 20 through the oil outlet 3 of the pressure buffer tank; the natural gas enters a rear-end natural gas system through a pressure buffer tank gas outlet 12 after being measured, the low-water-content crude oil enters an output pump 20 through a pressure buffer tank oil outlet 3, the output pump 20 is used for standby, and the low-water-content crude oil is output to a next-stage combination station for further processing into purified oil.
The invention provides skid-mounted equipment for closed treatment of crude oil, which comprises a three-phase separator, a pressure buffer tank and a plurality of groups of external delivery pumps, wherein the three-phase separator, the pressure buffer tank and the plurality of groups of external delivery pumps are arranged in a skid, and the skid-mounted equipment is suitable for a transfer station and a water distribution station, can replace the conventional normal-pressure storage tank, realizes closed gathering and delivery, reduces the discharge of VOCs, and is favorable for protecting the environment; the skid-mounted equipment occupies small area, saves land resources of a station, releases land, and can be used for new energy project construction such as photovoltaic power generation, waste heat utilization and the like; the skid-mounted equipment is manufactured according to the requirement of the pressure container in a pressure container workshop, is assembled into a skid, is integrally transported to a field for installation, is convenient and simple to construct, can shorten the construction period, can realize linkage joint control, and reduces the labor intensity and the cost of management, operation and maintenance. In conclusion, the beneficial effects of the invention are as follows: in the operation process, the discharge of VOCs can be effectively reduced, the floor area is reduced, the land resources are saved, and the labor intensity and the management, operation and maintenance cost are reduced.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a sled dress equipment of airtight processing of crude oil, is including setting up three-phase separator, pressure buffer tank and the outer pump delivery of multiunit in the sledge, its characterized in that, the lateral wall fixedly connected with three-phase separator import of three-phase separator, and the lateral wall fixedly connected with three-phase separator water outlet of three-phase separator, the lateral wall fixedly connected with three-phase separator drain of three-phase separator, and the lateral wall fixedly connected with three-phase separator gas outlet of three-phase separator, the export of fixedly connected with three-phase separator oil between the import of three-phase separator and pressure buffer tank, and the export of pressure buffer tank's lateral wall fixedly connected with pressure buffer tank gas outlet, the export fixedly connected with pressure buffer tank oil outlet between the import of pressure buffer tank and outer pump, and the export fixedly connected with outer pump delivery of outer pump.
2. The skid of claim 1, wherein a sidewall of the three-phase separator inlet is configured with a three-phase separator temperature transmitter.
3. The skid for closed processing of crude oil as set forth in claim 1, wherein the side walls of said three-phase separator and said pressure buffer tank are provided with manholes.
4. The skid for closed processing of crude oil as set forth in claim 1, wherein a top of said three-phase separator is provided with a three-phase separator level gauge port and a bottom of said pressure buffer tank is provided with a pressure buffer tank level gauge port.
5. The skid-mounted equipment for the closed processing of crude oil as claimed in claim 1, wherein an export pump inlet pressure transmitter is arranged at the export of the export pump, and an export pump outlet pressure transmitter is arranged at the export of the export pump.
6. The skid-mounted equipment for the closed processing of crude oil as claimed in claim 1, wherein the inside of the skid is fixedly connected with an explosion-proof variable frequency control cabinet, and the output pump is electrically connected with the explosion-proof variable frequency control cabinet.
7. The skid for closed processing of crude oil as set forth in claim 1, wherein an electrically operated control valve and an electrically operated shut-off valve are fixedly connected to a side wall of said oil outlet of said three-phase separator.
8. The skid of claim 7, wherein the electrically controlled regulator valve and the electrically controlled shut-off valve are electrically connected to a three-phase separator level gauge port and a pressure surge tank level gauge port.
9. The skid for closed processing of crude oil as set forth in claim 1, wherein a three-phase separator relief valve port is fixedly connected to a sidewall of said three-phase separator.
10. The skid-mounted equipment for the closed processing of crude oil as claimed in claim 1, wherein a pressure buffer tank relief valve port is fixedly connected to the side wall of the pressure buffer tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211224620.4A CN115595174A (en) | 2022-10-09 | 2022-10-09 | Skid-mounted equipment for crude oil sealing treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211224620.4A CN115595174A (en) | 2022-10-09 | 2022-10-09 | Skid-mounted equipment for crude oil sealing treatment |
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| Publication Number | Publication Date |
|---|---|
| CN115595174A true CN115595174A (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211224620.4A Pending CN115595174A (en) | 2022-10-09 | 2022-10-09 | Skid-mounted equipment for crude oil sealing treatment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202892983U (en) * | 2012-11-12 | 2013-04-24 | 中国石油天然气股份有限公司 | Oil-gas-water phase separation skid-mounted pressurizing device |
| CN207437049U (en) * | 2017-11-30 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of integrative normal pressure shale gas well site processing unit |
| CN110237573A (en) * | 2019-07-17 | 2019-09-17 | 中国海洋石油集团有限公司 | The separator of modular combination |
| CN209865389U (en) * | 2018-12-28 | 2019-12-31 | 森诺科技有限公司 | Oil-gas-water three-phase separator with air supply device |
| CN212270007U (en) * | 2020-04-02 | 2021-01-01 | 辛维君 | Crude oil dehydration heating, desanding and antiscaling transfer station |
| CN112899019A (en) * | 2021-01-12 | 2021-06-04 | 森诺技术有限公司 | Full-center gravity flow oil gas water treatment device |
| CN112899021A (en) * | 2021-01-12 | 2021-06-04 | 森诺技术有限公司 | Full-gravity balance separation and dehydration integrated device and crude oil treatment method |
-
2022
- 2022-10-09 CN CN202211224620.4A patent/CN115595174A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202892983U (en) * | 2012-11-12 | 2013-04-24 | 中国石油天然气股份有限公司 | Oil-gas-water phase separation skid-mounted pressurizing device |
| CN207437049U (en) * | 2017-11-30 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of integrative normal pressure shale gas well site processing unit |
| CN209865389U (en) * | 2018-12-28 | 2019-12-31 | 森诺科技有限公司 | Oil-gas-water three-phase separator with air supply device |
| CN110237573A (en) * | 2019-07-17 | 2019-09-17 | 中国海洋石油集团有限公司 | The separator of modular combination |
| CN212270007U (en) * | 2020-04-02 | 2021-01-01 | 辛维君 | Crude oil dehydration heating, desanding and antiscaling transfer station |
| CN112899019A (en) * | 2021-01-12 | 2021-06-04 | 森诺技术有限公司 | Full-center gravity flow oil gas water treatment device |
| CN112899021A (en) * | 2021-01-12 | 2021-06-04 | 森诺技术有限公司 | Full-gravity balance separation and dehydration integrated device and crude oil treatment method |
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