CN115751716A - Oil and gas field ground gathering and transportation system and gathering and transportation method - Google Patents
Oil and gas field ground gathering and transportation system and gathering and transportation method Download PDFInfo
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- CN115751716A CN115751716A CN202211390430.XA CN202211390430A CN115751716A CN 115751716 A CN115751716 A CN 115751716A CN 202211390430 A CN202211390430 A CN 202211390430A CN 115751716 A CN115751716 A CN 115751716A
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- oil
- gas
- heating
- conveying
- gathering
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 239000003921 oil Substances 0.000 claims description 49
- 230000018044 dehydration Effects 0.000 claims description 16
- 238000006297 dehydration reaction Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 14
- 239000010779 crude oil Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 4
- 239000003129 oil well Substances 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 2
- 241001330002 Bambuseae Species 0.000 abstract description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 2
- 239000011425 bamboo Substances 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 43
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Images
Abstract
The invention discloses an oil and gas field ground gathering and transporting system and a gathering and transporting method. A plurality of well groups link to each other with connecing the device of changeing, connect the device of changeing and receive a ball section of thick bamboo device and pass through the pipeline and link to each other with first heating device, set up buffering storage device behind first heating device, the fluid is stored and is subsided, rethread dewatering device is deviate from free water, the water of deviating from carries to the boiler heating behind filter equipment, the boiler passes through the vapor pump with the vapor of heating and delivers to and connects the interior auxiliary heating of device, the oil gas mixture through dewatering device passes through oil gas and mixes the defeated device and carries and get into the defeated system outward after the heating of second heater.
Description
Technical Field
The invention belongs to the technical field of oil and gas field ground gathering and transportation, and particularly relates to an oil field ground gathering and transportation system and a gathering and transportation method.
Background
A large amount of crude oil in oil fields in China needs to be heated and transported outwards, gas and liquid need to be separated, liquid is heated and transported outwards, gas is separately transported outwards, a crude oil separation buffer tank is added, the crude oil separation buffer tank is not closed, and the process flow of a station is complex. Meanwhile, as the temperature of the crude oil is lower and the water content of the oil field is higher and higher along with the extension of the development of the oil field, in order to meet the requirements of outward transportation and dehydration, a large amount of crude oil or natural gas is needed to heat the water-containing crude oil, and the conventional energy consumption is large.
Disclosure of Invention
In order to solve the problems, the invention provides an oil and gas field ground gathering and transportation system and a gathering and transportation method, which realize simplified in-station process flows of crude oil output heating and preliminary dehydration of an oil field.
In order to achieve the purpose, the oil and gas field gathering and transportation system comprises a well group connected with each well mouth through a pipeline, wherein the well group is sequentially connected with a transfer device, a ball collecting cylinder device, a first heating device, a buffer storage device, a dehydration device, an oil and gas mixed transportation device, a second heating device and an external transportation system; a liquid water outlet in the dehydration device is connected with a boiler and is conveyed to the transfer device through a steam pump;
the switching device is used for intensively converging oil-incoming pipelines of a plurality of well groups and transporting the oil-incoming pipelines through one pipeline, and the first heating device is the same as the second heating device; the output system is connected with the next processing station; the output system comprises a pressure regulating and metering pry; the first heating device, the buffer storage device, the oil-gas mixed transportation device, the second heating device, the outward transportation system, the boiler and the steam pump are all sealed mixed transportation.
Further, the buffer storage device comprises a buffer tank, a pressure release valve, a storage tank and a pressure sensor, wherein the pressure sensor is used for controlling the pressure in the storage tank and the pressure in the buffer tank, the pressure release valve of the buffer tank is opened for pressure release when the pressure is too high, and the delivery of the tank is stopped when the pressure in the storage tank is too high and the tank is delivered to another storage tank;
temperature monitoring devices are installed in the first heating device and the second heating device and are connected with the control system, real-time temperature data are transmitted to the control center, and the control center adjusts heating power according to the temperature data, so that the mixture in the pipeline keeps a good flowing state.
Furthermore, a ball collecting cylinder device is arranged between the receiving and rotating device and the first heating device, and wax cleaning balls for awards and pipelines of each well group are used for the ball collecting cylinder device.
Be equipped with dewatering device in the middle of buffer storage device and the oil gas misconvergence pump, dewatering device carries to the boiler after tentatively breaking away from in with liquid aquatic oil gas water mixture and heats, and the vapor that will heat passes through the vapor pump and carries to connecing the device of changeing, will connect the oil gas water of changeing in the device to mix tentatively to heat and reduce viscosity, conveniently carry.
Furthermore, the dewatering device comprises a free water remover and a filter, and the free water in the oil-gas-water mixture in the storage tank is removed and then is filtered and conveyed to the boiler for heating.
The oil and gas field ground gathering and transporting method utilizes the oil and gas field ground gathering and transporting system and comprises the following steps:
firstly, conveying oil gas of different oil gas wells to a metering station by a well group, conveying the metered oil gas to a transfer device by the different well group, gathering the oil gas in the transfer device, conveying the oil gas through a pipeline, conveying the oil gas to a first heating device, and heating and conveying an oil gas-water mixture;
secondly, the heated oil-gas mixture enters a dehydration device through a buffer storage device, and the dehydration device separates out liquid water in the oil-gas-water mixture;
step three, the water separated from the dehydration device is heated to steam by a boiler device and then is conveyed to a transfer device by a steam pump to further heat the crude oil;
and step four, conveying the separated oil-gas mixture to a second heating device through an oil-gas mixed conveying device, heating the oil-gas mixture by the second heating device, and then entering the next processing link through an outward conveying system.
Compared with the prior art, the invention has at least the following beneficial technical effects:
the system provided by the invention has the advantages that the conventional oil-gas field gathering and transportation process system is changed, the viscosity of crude oil is reduced through the auxiliary heating pipeline for dewatering, the transportation efficiency is improved, the oil-gas mixed transportation device is adopted for transportation, oil and gas are not separated, the oil-gas mixed transportation is directly realized, the simplification of the in-station flow, the improvement of the transportation efficiency and the realization of closed transportation are realized, the cost is reduced, and the energy loss is reduced.
Drawings
Fig. 1 is a schematic diagram of an oil and gas field ground gathering system:
in the figure: 1 well group, 2 switching devices, 3 ball receiving and dispatching cylinders, 4 first heating devices, 5 buffer storage devices, 6 dehydration devices, 7 oil-gas mixed transportation devices, 8 second heating devices, 9 external transportation systems, 10 boilers and 11 steam pumps.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An oil and gas field gathering and transportation system comprises a well group 1 which is connected with each well mouth through a pipeline, wherein the well group 1 is sequentially connected with a transfer device 2, a ball collecting barrel device 3, a first heating device 4, a buffer storage device 5, a dehydration device 6, an oil and gas mixed transportation device 7, a second heating device 8 and an external transportation system 9; a liquid water outlet in the dehydration device 6 is connected with a boiler 10 and is conveyed to the transfer device through a steam pump 11;
the transfer device 2 is used for gathering oil incoming pipelines of a plurality of well groups 1 in a centralized manner and transporting the oil incoming pipelines through one pipeline, and the first heating device 4 is the same as the second heating device 8; the output system 9 is connected with the next processing station; the output system 9 comprises a pressure regulating and metering pry; the first heating device 4, the buffer storage device 5, the oil-gas mixed transportation device 7, the second heating device 8, the outward transportation system 9, the boiler 10 and the steam pump 11 are all sealed mixed transportation.
The buffer storage device 5 comprises a buffer tank, a pressure release valve, a storage tank and a pressure sensor, wherein the pressure sensor is used for controlling the pressure in the storage tank and the pressure in the buffer tank;
temperature monitoring devices are arranged in the first heating device 4 and the second heating device 8, the first heating device and the second heating device are connected with a control system, real-time temperature data are transmitted to a control center, and the control center adjusts heating power according to the temperature data, so that an oil-gas-water mixture in a pipeline keeps a good flowing state.
The ball receiving cylinder device 3 is arranged between the receiving device 2 and the first heating device 4, and the ball receiving cylinder device 3 is used for collecting paraffin removal balls of pipelines of each well group 1.
Be equipped with dewatering device 6 in the middle of buffer storage device 5 and the oil gas thoughtlessly defeated device 7, dewatering device 6 carries to boiler 10 and heats after tentatively breaking away from in the liquid aquatic oil gas water mixture, and the vapor that will heat passes through vapor pump 11 and carries to connecing changes device 2, will connect the oil gas water of changing in the device 2 to mix preliminary heating and reduce viscosity, the convenient transport.
The dehydration device 6 comprises a free water remover and a filter, and the free water in the oil-gas-water mixture in the storage tank is removed and then is filtered and conveyed to a boiler for heating.
The oil-gas mixture passing through the dehydration device 6 is conveyed to a second heating device 8 through an oil-gas mixed conveying device 7 to be heated, and the heated oil-gas mixture is conveyed to an external conveying system 9 to be processed in the next step.
The working principle of the oil and gas field ground gathering and transporting system is as follows:
heating process: the pipeline that connects device 2 changes over is in proper order through receiving ball section of thick bamboo device 3, heats oil gas water mixture to 40 ℃ through first heating device 4, stores in buffer storage device 5, and buffer storage device 5's effect is: it is that oil gas water mixture naturally subsides, and the free water after will subsiding is dehydrated through dewatering device 6, and the temperature of this process oil gas water mixture can reduce, is transporting the mixture to second heating device 8 and heats to 50, makes the mixture temperature rise, reduces the viscosity, transports to the defeated system of outward transportation through oil gas defeated device 7.
Auxiliary heating process: the free water separated from the dehydration device 6 is filtered by a filtering device and then is conveyed to a boiler 10 to heat the water into steam with the temperature of 130 ℃, the steam enters a transfer device through a steam pump 11, and the crude oil in the transfer device 2 is heated to the temperature of 35 ℃ and conveyed to a ball collecting barrel device.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. An oil and gas field ground gathering and transportation system is characterized by comprising a well group (1), a receiving and transferring device (2), a ball collecting cylinder device (3), a first heating device (4), a buffer storage device (5), a dewatering device (6), an oil and gas mixed transportation device (7), a second heating device (8), an outward transportation system (9), a boiler (10) and a steam pump (11);
the well group (1) is formed by connecting oil outlet pipelines of a plurality of oil wells to a metering station, and the transfer device (2) gathers oil inlet pipelines of the plurality of well groups and conveys the oil inlet pipelines through an output pipeline; the first heating device comprises (4) a solar heating conduit and an electromagnetic heater; the first heating device (4) is the same as the second heating device (5);
the steam pump (11), the boiler (10) and the dehydrating device (6) form a steam circulating system;
the first heating device (4), the buffer storage device (5), the oil-gas mixed transportation device (7), the second heating device (8) and the output system (9) are used for oil-gas closed transportation.
2. An oil and gas field ground gathering and transporting method, which is characterized in that the oil and gas field ground gathering and transporting system of claim 1 is utilized, and comprises the following steps:
firstly, conveying oil gas of different oil gas wells to a metering station by a well group, conveying the metered oil gas to a transfer device by the different well group, gathering the oil gas in the transfer device, conveying the oil gas through a pipeline, conveying the oil gas to a first heating device, and heating and conveying an oil gas-water mixture;
secondly, the heated oil-gas mixture enters a dehydration device through a buffer storage device, and the dehydration device separates out liquid water in the oil-gas-water mixture;
step three, the water separated from the dehydration device is heated to steam by a boiler device and then is conveyed to a transfer device by a steam pump to primarily heat the crude oil;
and step four, conveying the separated oil-gas mixture to a second heating device through an oil-gas mixed conveying device, heating the oil-gas mixture by the second heating device, and then entering the next processing link through an outward conveying system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211390430.XA CN115751716A (en) | 2022-11-06 | 2022-11-06 | Oil and gas field ground gathering and transportation system and gathering and transportation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211390430.XA CN115751716A (en) | 2022-11-06 | 2022-11-06 | Oil and gas field ground gathering and transportation system and gathering and transportation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115751716A true CN115751716A (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211390430.XA Withdrawn CN115751716A (en) | 2022-11-06 | 2022-11-06 | Oil and gas field ground gathering and transportation system and gathering and transportation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115751716A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116719267A (en) * | 2023-08-10 | 2023-09-08 | 哈尔滨商业大学 | RTU-based oil gas storage and transportation control system |
-
2022
- 2022-11-06 CN CN202211390430.XA patent/CN115751716A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116719267A (en) * | 2023-08-10 | 2023-09-08 | 哈尔滨商业大学 | RTU-based oil gas storage and transportation control system |
| CN116719267B (en) * | 2023-08-10 | 2023-10-24 | 哈尔滨商业大学 | RTU-based oil gas storage and transportation control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230307 |
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| WW01 | Invention patent application withdrawn after publication |