CN213016299U - Standard ground construction gas field gas gathering station and upper and lower ancient combined gas field gas gathering station - Google Patents
Standard ground construction gas field gas gathering station and upper and lower ancient combined gas field gas gathering station Download PDFInfo
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- CN213016299U CN213016299U CN202021251481.0U CN202021251481U CN213016299U CN 213016299 U CN213016299 U CN 213016299U CN 202021251481 U CN202021251481 U CN 202021251481U CN 213016299 U CN213016299 U CN 213016299U
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Abstract
The utility model discloses standardized ground construction gas field gas collecting station reaches from top to bottom ancient times and adopts gas field gas collecting station belongs to the oil and gas field, is applied to in the short-term gas well, the utility model provides a pair of standardized ground construction gas field gas collecting station, include: the station entering sledge is used for overpressure automatic emptying, the heating furnace area sledge is used for heating and depressurizing gas production, the gas collecting sledge is used for performing primary gas-liquid separation, the dehydration sledge is used for dehydrating the gas production, and the pipe cleaning area sledge is used. And the problem that the utilization of the equipment is wasted due to the fact that the collection equipment cannot be transported after the short-term gas well is collected is solved.
Description
Technical Field
The utility model belongs to the oil and gas field is applied to short-term gas well, concretely relates to standardized ground construction gas field gas gathering station and upper and lower ancient times close gas production field gas gathering station.
Background
The demand of the downstream market of natural gas is vigorous, and the pressure for keeping supply of the gas field in the Changqing is increased. The gas yield in 2018 reaches 387 multiplied by 108m3A is calculated. The gas supply pressure of the Changqing gas field is increased, especially the winter protection is provided, the gas supply demand in the day is far beyond the normal production level, and the national project is related.
According to the secondary accelerated development target of the Changqing oil field branch company and the planning of the group company, the natural gas in the Changqing gas area is obtained by 2020The yield reaches 420X 108m3The mode of 'three-dimensional development of upper and lower ancient wells and development of horizontal wells and the same weight' is adopted in part of blocks, and the average yield of the upper ancient vertical wells is about 10000m3Approximately 40000m in the ancient horizontal well3About 20000m for going to ancient straight well310000m for high-yield well3The single well has multiple types, large production allocation difference, large construction amount of the single well and the gas collecting station, large difficulty and high investment.
In the process of implementing the embodiments of the present invention, the inventor finds that at least the following defects exist in the background art:
on the premise that the requirements for construction quality and construction speed are higher and stricter, the standardized construction in the prior art cannot well meet the requirement for rapid construction of a gas field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a standardized ground construction gas field gas collecting station reaches from top to bottom ancient times and adopts gas field gas collecting station, and aim at solves above-mentioned problem, solves at construction quality and construction speed demand more and more high, under the more and more strict prerequisite, the standardized of prior art is built and is established the rapid construction of satisfying the gas field that can not be fine down.
In order to achieve the above object, the utility model adopts the following technical scheme:
a standardized ground construction gas field gathering station, comprising: the station entering sledge is used for overpressure automatic emptying, the heating furnace area sledge is used for heating and depressurizing gas production, the gas collecting sledge is used for performing primary gas-liquid separation, the dehydration sledge is used for dehydrating the gas production, and the pipe cleaning area sledge is used.
Still including tail gas burning sledge and measurement sledge, tail gas burning sledge and measurement sledge set up respectively on different sledges, and tail gas burning sledge is connected with the dehydration sledge, and the dehydration sledge is connected with pigging district sledge through the measurement sledge.
The system also comprises a produced water tank area sledge, wherein the produced water tank area sledge is arranged on the sledge, and the produced water tank area sledge is connected with the gas collection sledge;
still include methanol tank sledge, spark arrester district sledge and annotate the alcohol sledge, the methanol tank sledge, spark arrester district sledge, annotate alcohol sledge and methanol tank sledge and set up respectively on the sledge of difference, annotate the alcohol sledge and be located extraction water tank district sledge one side, the methanol tank sledge is connected with annotating the alcohol sledge, and spark arrester district sledge has a plurality ofly, and spark arrester district sledge is established respectively on extraction water tank district sledge and annotate by the alcohol sledge.
An upper and lower ancient commingled gas production field gathering station, comprising:
constructing a gas field gas gathering station by adopting two standardized grounds;
and in the two standardized ground construction gas field gas collecting stations, one gas field gas collecting station is positioned beside the ancient gas well and connected with a wellhead beside the ancient gas well, the other gas field gas collecting station is positioned beside the ancient gas well and connected with a wellhead of the ancient gas well, and the gas outlet end of the standardized ground construction gas field gas collecting station of the ancient gas well is combined with the gas outlet end of the standardized ground construction gas field gas collecting station of the ancient gas well and then output to the downstream.
The gas gathering station of the standardized ground construction gas field is provided with a plurality of gas inlet ends, a plurality of sets of station entering sleds are arranged in the standardized ground construction gas field, and each set of station entering sleds is used for processing gas well natural gas with different pressures.
The beneficial effects of the utility model are that, the utility model discloses a skid-mounted construction has proposed an effective standardized construction method to the ancient combined mining from top to bottom to solved short-term gas well after gathering, the unable handling of collection equipment can cause extravagant problem to the utilization of equipment, and the gas field can rapid construction, the gas collecting station of ancient combined mining ground gas collection system can be optimized in the aspect of the gas collection technology about making, each function sledge of messenger's construction is unified standardizedly, and when breaking down, can be convenient tear open and trade and switching equipment, in time maintain and resume production, and make production running cost and system operation maintenance expense reduce.
Drawings
FIG. 1 is a schematic view of the overall structure of a gas gathering station for standardized ground construction of a gas field;
FIG. 2 is a schematic view showing the connection of the lines in FIG. 1;
fig. 3 is a flow chart in an embodiment of a method for constructing gas gathering stations of upper and lower ancient combined gas production fields.
Labeled as: 1. entering a station sledge; 2. heating a furnace zone sledge; 3. gas collection sledge; 4. dehydrating sledges; 5. tail gas burning sledge; 6. a metering zone sledge; 7. cleaning a pipe area sledge; 8. a methanol tank sledge; 9. a flame arrestor zone sled; 10. injecting alcohol sledge; 11. and (4) a produced water tank field sledge.
Detailed Description
The standardized ground construction gas field gas gathering station and the upper and lower ancient combined gas production gas field gas gathering station schemes provided by the embodiments of the present invention will be described in detail through several specific embodiments.
Example 1
Referring to fig. 1 and 2, the utility model relates to a standardized ground construction gas field gas collecting station, this standardized ground construction gas field gas collecting station includes: an entering skid 1 for overpressure automatic emptying, a heating furnace area skid 2 for heating and depressurizing gas production, a gas collecting skid 3 for primary gas-liquid separation, a dehydration skid 4 and a cleaning pipe area skid 7 for dehydrating gas production, wherein the entering skid 1, the heating furnace area skid 2, the gas collecting skid 3 and the cleaning pipe area skid 7 are respectively arranged on different skids, one end of the entering skid 1 is connected with a gas well, the other end of the entering skid 1 is connected with the gas collecting skid 3 through the heating furnace area skid 2, and the gas collecting skid 3 is connected with the cleaning pipe area skid 7 through the dehydration skid 4.
In the embodiment, the station entering sledge 1 mainly has the functions of high-pressure station entering and medium-pressure station entering which are responsible for taking over incoming gas, the high-pressure station entering is used for emergently cutting off the incoming gas of a gas production pipeline, a safety valve is arranged, and the overpressure automatic emptying function is realized. The pressure station receives incoming gas of a gas production main pipe, and has functions of overpressure automatic emptying and manual emptying, each layer monitors the pressure and the temperature of the incoming gas respectively, and has the function of emptying in emergency, and the pressure station comprises a gate valve, an emptying valve and related existing accessories.
The heating furnace area sledge 2 has the main function of heating high-pressure gas, optionally heating the gas to 65 degrees, throttling the gas, and then performing condensation heating at the pressure of 5.0-6.0 MPa and the temperature of 15-30 ℃ to form a condensing heating furnace, an inlet and outlet valve, an angle type throttle valve and related existing accessories.
The gas collection sledge 3 has the main function that the sledge inner separation cavity carries out primary gas-liquid separation on the incoming gas, and the requirements of normal operation and external transportation of other equipment of the gas collection station are met; remote emptying is realized by installing an electric valve; a safety valve is arranged for automatically releasing overpressure; the pneumatic valve is arranged to realize automatic liquid drainage. Flash distillation chamber carries out gas-liquid separation to the gas of unloading in the sledge, produces "fire and rain" when preventing to empty, carries out the flash distillation to production extraction water, inserts the natural gas of flash distillation play in the sewage torch burning, realizes automatic flowing back through the installation motorised valve. The secondary pressure regulation is carried out on the natural gas primarily separated in the station, so that the gas utilization requirements of a generator and a venting torch ignition tube are met; the safety valve is arranged to realize automatic overpressure relief. The composition comprises: a double-cavity separator, a throttling stop emptying valve, a pneumatic ball valve, an electric three-way ball valve and related existing accessories.
The dehydration sledge 4 mainly has the function of reducing the corrosion of sulfur-containing natural gas to pipelines by adopting a triethylene glycol absorption dehydration process. Has two processes of dehydration absorption and regeneration circulation.
The pipeline cleaning area sledge 7 mainly has the functions of receiving and sending a pipeline cleaner and is provided with a pneumatic emergency shut-off valve so as to ensure the safety of a gas collection branch line and a station. The composition comprises: a pig receiving and sending cylinder (valve), a throttling stop emptying valve, a pneumatic ball valve, an insulating joint and related existing fittings.
One end of the station entering sledge is connected with a gas inlet port of a gas production main pipe, the other end of the station entering sledge is connected with a gas collecting sledge through a pipeline valve component, a station entering area module can be provided with a manual cut-off valve and an emptying valve, water and solid particles in a free state are separated through a separation cavity after entering the gas collecting sledge, enter a water removing sledge 7 after entering the water removing sledge, and then are transported to the next gas collecting station or treatment plant through a gas collecting branch line.
In the embodiment, in the short-term gas well, after the short-term gas well is collected, the problem of waste caused by the fact that the collecting equipment cannot be transported is solved, the rapid construction of the gas field is considered, and the later regulator can further optimize and place each gas production equipment.
Example 2
Further, please refer to fig. 1 and 2, the utility model relates to a standardized ground construction gas field gas collecting station's another embodiment still includes tail gas and burns sledge 5 and measurement sledge 6, and tail gas burns sledge 5 and measurement sledge 6 and sets up respectively on different sledges, and tail gas burns sledge 5 and is connected with dehydration sledge 4, and dehydration sledge 4 is connected with clear pipe area sledge 7 through measurement sledge 6.
In the above embodiment, the tail gas incineration sledge 5 is a skid-mounted device provided with an incineration torch, and is used for incinerating natural gas contained in the tail gas, so as to prevent the natural gas from polluting the atmosphere. And the metering sledge 6, wherein the metering sledge 6 is a gas production device for metering the water quantity of the dehydration sledge 4.
Example 3
Further, referring to fig. 1 and 2, another embodiment of the gas collecting station for standardized ground construction of a gas field of the present invention further includes a produced water tank field skid 11, the produced water tank field skid 11 is disposed on the skid, and the produced water tank field skid 11 is connected to the gas collecting skid 3;
still include methanol tank sledge 8, spark arrester district sledge 9 and annotate mellow wine sledge 10, methanol tank sledge 8, spark arrester district sledge 9, annotate mellow wine sledge 10 and methanol tank sledge 8 and set up respectively on the sledge of difference, annotate mellow wine sledge 10 and be located extraction water tank district sledge 11 one side, methanol tank sledge 8 is connected with annotating mellow wine sledge 10, spark arrester district sledge 9 has a plurality ofly, spark arrester district sledge 9 is established respectively by extraction water tank district sledge 11 and notes mellow wine sledge 10.
In the above embodiment, the methanol tank skid 8 mainly functions to store methanol. The liquid level meter comprises a methanol tank, a liquid level meter and the existing related accessories.
Flame arrestor zone sleds 9, flame arrestor zone sleds 9 main function is to prevent external flames from channeling into the sewage tank where flammable and explosive gases are stored. The fire retardant device comprises a fire retardant platform, an explosion-proof fire retardant ventilation cover and related existing accessories.
The alcohol injection skid 10 is characterized in that the alcohol injection skid 10 mainly has the function of injecting methanol into an alcohol injection pipeline to inject the alcohol into a well site gas production pipeline through an alcohol injection pump.
Example 4
The situation refers to fig. 1 to fig. 3, the utility model relates to an upper and lower ancient combined gas production field gas gathering station, this upper and lower ancient combined gas production field gas gathering station, include:
two standardized surface construction gas field gathering stations of the embodiment 1;
and in the two standardized ground construction gas field gas collecting stations, one gas field gas collecting station is positioned beside the ancient gas well and connected with a wellhead beside the ancient gas well, the other gas field gas collecting station is positioned beside the ancient gas well and connected with a wellhead of the ancient gas well, and the gas outlet end of the standardized ground construction gas field gas collecting station of the ancient gas well is combined with the gas outlet end of the standardized ground construction gas field gas collecting station of the ancient gas well and then output to the downstream.
In the above embodiment, the gas station and the gas station will respectively output the collected natural gas to the downstream after confluence, so as to save the output cost.
Example 5
Further, the utility model relates to an another embodiment of upper and lower ancient times gas field collecting station, the inlet end of standardized ground construction gas field collecting station is a plurality of, having many sets of sleds of entering in the standardized ground construction gas field collecting station, every set of sleds of entering is used for handling the gas well natural gas of different pressures.
In the above embodiment, the multiple landing skids can be applied to gas wells with different pressures, and gas wells with different pressures can be collected simultaneously.
Example 6
A method for constructing gas gathering stations of upper and lower ancient commingled gas production fields comprises the following steps:
skid-mounted production of devices for gas production in the upper and lower ancient gas fields;
conveying each skid-mounted device to a gas gathering station site needing to be built;
pipelines are used to connect skid-mounted devices and gas wells.
In the embodiment, in the short-term gas well, after the short-term gas well is collected, the problem of waste of the equipment due to the fact that the collecting equipment cannot be transported is solved, and the rapid construction of the gas field is considered, all devices for gas production in the upper and lower ancient gas fields are skid-mounted, then all skid-mounted devices are transported to a gas collecting station field needing to be constructed, and then are sequentially placed and installed with the gas well, so that the equipment can be effectively recycled; and each sledge can also be used as a unit to flexibly adjust according to the actual situation on site, and after the later-stage test operation is added, each acquisition equipment can be further adjusted, so that the acquisition equipment is more efficient in matching.
Example 7
Further, the utility model relates to an another embodiment of upper and lower ancient combined production gas field gathering station construction method, each device in the skid-mounted chemical production gas field collection still includes:
the devices associated with each other are grouped together on a skid.
In the embodiment, the devices with the associations are integrated on one skid, so that the skid number can be effectively reduced, the troublesome testing, adjusting and placing processes of the associated devices when the associated devices are transported to the gas collecting station can be reduced, and the installation efficiency of the gas collecting equipment in the station yard can be saved.
Example 8
Further, referring to fig. 1, in another embodiment of the method for constructing a gas gathering station of an upper and lower ancient gas production field of the present invention, the method specifically includes the following steps:
the method comprises the following steps of skid-mounted production of an ancient landing skid, an ancient gas collection skid, an ancient heating throttling skid, a dehydration skid, an ancient landing skid, an ancient gas collection skid and an ancient heating throttling skid, wherein the ancient landing skid can simultaneously safely vent incoming gas of ancient gas wells with different pressures, and the ancient landing skid can simultaneously vent incoming gas of ancient gas wells with different pressures;
the method for connecting the skid-mounted devices and the gas well by using the pipelines comprises the following specific steps:
connecting a device for treating gas wells with different pressures in an ancient landing skid with the gas wells with different pressures through pipelines, and connecting a plurality of gas outlet ends of the ancient landing skid with the ancient gas collection skid through pipelines, wherein a heating throttling skid with a heating throttling function is arranged between the plurality of gas outlet ends of the ancient landing skid and the ancient gas collection skid;
connecting a device for treating gas wells with different pressures in the ancient entering station sledge with the gas wells with different pressures through pipelines, and connecting a plurality of gas outlet ends of the ancient entering station sledge with the ancient gas collecting sledge through pipelines, wherein a heating throttling sledge with a heating throttling function is arranged between the plurality of gas outlet ends of the ancient entering station sledge and the ancient gas collecting sledge;
the ancient gas collection sleds, the ancient gas collection sleds and the dehydration sleds are connected through pipelines and then transported outside.
In the embodiment, the modules in the station entering module, the gas collecting module, the heating module and the dehydration module are respectively integrated on one skid, so that the gas production equipment can be conveniently installed on site, and the gas production equipment is more convenient and quicker to install on site.
Then, each skid-mounted module is installed, and the ancient gas collection sleds, the ancient gas collection sleds and the dehydration sleds are connected through pipelines and then transported outside, so that the transportation cost can be effectively saved.
Example 9
Furthermore, in another embodiment of the method for constructing the gas gathering station of the upper and lower ancient commingled gas production fields of the present invention, the ancient landing sledge with a multi-layer structure is produced in a skid-mounted manner, and each layer of the ancient landing sledge is integrated with a processing device for processing gas wells with different pressures;
and (3) skid-mounted production of the ancient landing skid with a multilayer structure, wherein each layer of structure of the ancient landing skid is integrated with treatment equipment for treating gas wells with different pressures.
In the embodiment, each layer of structure of the ancient landing skid is integrated with processing equipment for processing gas wells with different pressures, so that the ancient landing skid can simultaneously perform gas inlet on a plurality of gas wells with different pressures;
each layer of structure of the lower ancient landing skid is integrated with processing equipment for processing gas wells with different pressures, so that the lower ancient landing skid can simultaneously intake gas for a plurality of gas wells with different pressures.
Example 10
Furthermore, in another embodiment of the method for constructing the gas gathering station of the upper and lower ancient combined gas production fields, an ancient tail gas burning sledge is installed outside the ancient gas gathering sledge away from the ancient gas gathering sledge, and the ancient gas gathering sledge performs gas-liquid separation on the ancient gas;
and an ancient tail gas incineration sledge is arranged outside the ancient gas collection sledge far away from the ancient gas collection sledge, and the ancient gas collection sledge is used for carrying out gas-liquid separation on the ancient gas.
In the above embodiment, the ancient exhaust gas incineration sledge can incinerate the exhaust gas separated from the gas and liquid of the ancient gas collection sledge, so as to reduce the air pollution caused by the exhaust gas.
The antique tail gas incineration sledge can incinerate tail gas separated from gas and liquid of the antique gas collection sledge, and air pollution caused by the tail gas is reduced.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the present embodiment are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, descriptions related to "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Technical solutions between various embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Claims (5)
1. A standardized ground construction gas field gathering station, comprising: an entering skid (1) for overpressure automatic emptying, a heating furnace area skid (2) for heating and depressurizing gas production, a gas collecting skid (3) for performing preliminary gas-liquid separation, a dehydration skid (4) and a pipe cleaning area skid (7) for dehydrating gas production, the entering skid (1), the heating furnace area skid (2), the gas collecting skid (3) and the pipe cleaning area skid (7) are respectively arranged on different skids, one end of the entering skid (1) is connected with a gas well, the other end of the entering skid (1) is connected with the gas collecting skid (3) through the heating furnace area skid (2), and the gas collecting skid (3) is connected with the pipe cleaning area skid (7) through the dehydration skid (4).
2. The gas gathering station for standardized ground construction gas field according to claim 1, further comprising a tail gas burning sledge (5) and a metering sledge (6), wherein the tail gas burning sledge (5) and the metering sledge (6) are respectively arranged on different sledges, the tail gas burning sledge (5) is connected with the dehydration sledge (4), and the dehydration sledge (4) is connected with the pigging area sledge (7) through the metering sledge (6).
3. The gas gathering station for standardized ground construction gas field according to claim 1, further comprising a produced water tank field skid (11), wherein the produced water tank field skid (11) is arranged on the skid, and the produced water tank field skid (11) is connected with the gas gathering skid (3);
still include methanol tank sledge (8), spark arrester district sledge (9) and annotate mellow wine sledge (10), methanol tank sledge (8), spark arrester district sledge (9), annotate mellow wine sledge (10) and methanol tank sledge (8) and set up respectively on different sledges, annotate mellow wine sledge (10) and be located extraction water tank district sledge (11) one side, methanol tank sledge (8) are connected with annotating mellow wine sledge (10), spark arrester district sledge (9) have a plurality ofly, spark arrester district sledge (9) are established respectively by extraction water tank district sledge (11) and notes mellow wine sledge (10).
4. The utility model provides an upper and lower ancient commingled production gas field gathering station which characterized in that includes:
using two standardized surface construction gas field gathering stations of claim 1;
and in the two standardized ground construction gas field gas collecting stations, one gas field gas collecting station is positioned beside the ancient gas well and connected with a wellhead beside the ancient gas well, the other gas field gas collecting station is positioned beside the ancient gas well and connected with a wellhead of the ancient gas well, and the gas outlet end of the standardized ground construction gas field gas collecting station of the ancient gas well is combined with the gas outlet end of the standardized ground construction gas field gas collecting station of the ancient gas well and then output to the downstream.
5. The upper and lower commingled gas field gathering station of claim 4, wherein the standardized ground construction gas field gathering station has a plurality of gas inlets, and the standardized ground construction gas field gathering station has a plurality of station skids therein, each station skid being configured to process gas well natural gas at different pressures.
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| CN202021251481.0U CN213016299U (en) | 2020-07-01 | 2020-07-01 | Standard ground construction gas field gas gathering station and upper and lower ancient combined gas field gas gathering station |
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