CN105114044A - Cluster well station natural gas extraction technology - Google Patents
Cluster well station natural gas extraction technology Download PDFInfo
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- CN105114044A CN105114044A CN201510634145.1A CN201510634145A CN105114044A CN 105114044 A CN105114044 A CN 105114044A CN 201510634145 A CN201510634145 A CN 201510634145A CN 105114044 A CN105114044 A CN 105114044A
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Abstract
The invention belongs to the technical field of oil and gas field exploitation, and discloses a cluster well station natural gas extraction technology. The problems that an existing cluster well station is complex in technological process, large in ground construction investment and high in production and operation cost are solved. A multi-tube-pass water jacket furnace sledge and a rotation separating metering sledge are used in the extraction technology, raw material gas of all single wells of a cluster well enters all tube passes in a multi-tube-pass water jacket furnace, throttling pressure reduction is carried out on the raw material gas after the raw material gas is heated, the raw material gas enters a rotation valve block on the rotation separating metering sledge and is switched by the rotation valve block to be conveyed to a single-well gas-liquid-sand three-phase separator and a multi-well gas-liquid-sand three-phase separator on the rotation separating metering sledge, gas-liquid-sand three-phase separation is carried out in the single-well gas-liquid-sand three-phase separator and the multi-well gas-liquid-sand three-phase separator, and the separated gas and liquid are metered and then conveyed out of a station through a gas and liquid mixed conveying pipeline.
Description
Technical field
The invention belongs to exploitation of oil-gas field technical field, be specifically related to a kind of cluster well station natural gas extraction technique.
Background technology
In exploitation of oil-gas field, cluster well exploitation can reduce land used, reduces the influence degree to environment, also can accelerate In Oil Field Exploration And Development speed, simplifies gathering and transferring process, reduces surface construction cost, is convenient to gas well centralized management.Particularly for low production capacity, short period Oil/gas Well (such as shale gas), cluster well station produces skid-mounted unit need have the installation of quick, low input, low-cost production, equipment can reusable features, and therefore, the equipment technology at well station is the key of exploitation of oil-gas field level and economic benefit.
In order to grasp cluster well gas-liquid Changing Pattern and instruct later stage production management, when meeting Production requirement, need in normal production, the natural gas of Cong Shi Bowl group output, gas water to be carried out to real-time continuous and detect metering, simultaneously for obtaining the accurate data of individual well, also need that real-time continuous is carried out to the output situation of each individual well in Cong Shi Bowl group and detect metering, finally reflect the situation of change of total output and each well yield in Cong Shi Bowl group.
In prior art, the main exploitation flow process at cluster well station is: realize each individual well unstripped gas and the rotation of many wells unstripped gas by rotation valve group, and individual well and many wells unstripped gas carry out desanding respectively, heating, reducing pressure by regulating flow, gas-liquid separation, gas-liquid are measured respectively, gas-liquid delivery.
But, existing cluster well station also exists technological process complexity, ground installation is many, the set-up time is long, loose in disorder, the problem such as inconvenient operation, equipment recycling rate of waterused are low of Plant arrangement, thus cause oil-gas field development surface construction invest large, the construction period is long, running cost is high, cannot realize the high-efficiency mining of oil gas field.
Summary of the invention
The problem that technological process is complicated, surface construction investment is large, the construction period is long, production run cost is high that the present invention exists to solve existing cluster well station, provide a kind of cluster well station natural gas extraction technique, adopt non-drum type brake multitube distance water jacket furnace, and adopt the gas-liquid sand three phase separator being with the device that shakes out, replace existing desander and eliminator two complete equipment, change existing cluster well station production practice flow process, thus reach simplification of flowsheet, shortening equipment installation period, reduction construction and production run cost, realize the object of oil gas field high-efficiency mining.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of cluster well station natural gas extraction technique, it is characterized in that, the device used in described cluster well station natural gas extraction technique comprises multitube distance water jacket furnace sledge and rotation separate measurement sledge, the unstripped gas of each individual well of cluster well enters into each tube side of the multitube distance water jacket furnace on multitube distance water jacket furnace sledge respectively, reducing pressure by regulating flow is carried out respectively after heating, unstripped gas enters the rotation valve group on rotation separate measurement sledge again, rotation separate measurement sledge is also provided with individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, unstripped gas after step-down switches and branches to individual well pipeline and many well casings road by rotation valve group in turn, be delivered to individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator respectively, gas is carried out respectively in individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, liquid, sand three phase separation, mix again after gas after separation and liquid measure respectively and set off by gas-liquid delivery Pipeline transport.
Described multitube distance water jacket furnace sledge comprises multitube distance water jacket furnace and reducing pressure by regulating flow valve group, and each individual well of one end and cluster well of each tube side of described multitube distance water jacket furnace is communicated with, and the other end of each tube side is communicated with reducing pressure by regulating flow valve group; Described reducing pressure by regulating flow valve group is communicated with the rotation valve group on rotation separate measurement sledge.
The individual well air inlet pipeline of described rotation valve group is communicated with individual well gas-liquid sand three phase separator, and many wells mixed pipe line of described rotation valve group is communicated with many gas well gas liquid sand three phase separator.Individual well pipeline is data monitoring pipeline, controls detected object well by rotation valve group, its objective is that carrying out real-time continuous to the output situation of each individual well in Cong Shi Bowl group detects metering, finally reflects the situation of change of each well yield.Many well casings road is that cluster well station natural gas produces pipeline, is the mixed pipeline of producing well natural gas except detected object well.
Described many gas well gas liquid sand three phase separation sledge is equipped with many wells metering system, and many wells metering system is used for measuring the isolated gas of many gas well gas liquid sand three phase separator and liquid; Described individual well gas-liquid sand three phase separator sledge is provided with one-well metering system, and one-well metering system is used for measuring the isolated gas-liquid of individual well gas-liquid sand three phase separator and liquid.
Described rotation valve group is provided with blowdown piping, and described individual well gas-liquid sand three phase separator, many gas well gas liquid sand three phase separator are equipped with blowdown piping, and merge with rotation valve group blowdown piping.
The fuel gas of described multitube distance water jacket furnace comes from the isolated gas of many gas well gas liquid sand three phase separator, and gas accesses the burner in multitube distance water jacket furnace after filtration after pressure regulation.
Remove sand husky three eliminators of gas-liquid of function of multitube distance water jacket furnace involved by this patent and band declare patent, do not repeat them here.
Compared with prior art, the present invention has following beneficial effect:
1, natural gas extraction technique in cluster well station of the present invention, directly the unstripped gas of each cluster well is heated by the water jacket furnace on multitube distance water jacket furnace sledge simultaneously, reducing pressure by regulating flow is carried out after heating, then the switching of individual well and many wells is realized by rotation valve group, and concentrate on a monomer sledge by rotation valve group, individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, the device making the present invention all concentrates on two sledges.And adopt the gas-liquid sand three phase separator being with the device that shakes out, replace existing desander and separator device, change existing cluster well station production practice flow process, realize the object of oil gas field high-efficiency mining.
2, the employing multitube distance water batch heater in the present invention realizes the many wells of a stove and divides tube side to heat simultaneously, is more suitable for cluster well station technique, and have quick, low input and install, low-cost production, equipment can reusable features.
3, device of the present invention can be completely integrated in sledge, and equipment group sledge is arranged in factory and carries out, and is convenient to the installation on the spot of instrument, efficiently solves the problem that fixed well station equipment is many, floor space large, investment is large, the construction period is long.
4, technological process of the present invention is simple, becomes sledge equipment to greatly reduce, and sledge dress integration degree is high, multiple functional, processing ease and automatization level is high, easily realizes unmanned on duty.
Accompanying drawing explanation
Fig. 1 is the process chart schematic diagram at existing cluster well station;
Fig. 2 is process flow diagram of the present invention;
Fig. 3 is process chart of the present invention;
Fig. 4 is the front view structural representation of multitube distance water jacket furnace sledge of the present invention;
Fig. 5 is the top view structural representation of multitube distance water jacket furnace sledge of the present invention;
Fig. 6 is the structural representation of rotation separate measurement sledge of the present invention;
Fig. 7 is the top view structural representation of rotation separate measurement sledge of the present invention;
Fig. 8 is the front view structural representation of rotation separate measurement sledge of the present invention;
Mark in figure: 1, rotation valve group is removed sand sledge; 2, water batch heater sledge is produced; 3, production gas-liquid separation metering sled; 4, water batch heater sledge is tested; 5, gas-liquid separation metering sledge is tested; 6, multitube distance water jacket furnace sledge; 7, rotation separate measurement sledge; 8, unstripped gas air inlet port; 9, multitube distance water batch heater; 10, multitube distance water batch heater export pipeline; 11, rotation valve group; 12, individual well pipeline; 13, many wells mixed pipe line; 14, individual well separate measurement sled; 15, many wells separate measurement sled; 16, individual well gas-liquid sand three phase separator; 17, many gas well gas liquid sand three phase separator; 18, individual well gas dosing pipeline; 19, individual well liquid meter pipeline; 20, many gas well gas body metering pipeline; 21, many wells liquid meter pipeline; 22, gas-liquid delivery pipeline; 23, fuel gas system pipeline; 24, burner; 25, blowdown piping; 26, reducing pressure by regulating flow valve group; 27, fuel gas inlet; 28, rotation separate measurement sledge air inlet pipeline; 29, gas circuit system; 30, one-well metering system; 31, many wells mixing weighing system.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and described embodiment is only the present invention's part embodiment, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection scope of the present invention.
By reference to the accompanying drawings 1, the exploitation flow process at the cluster well station of prior art is: each individual well enters rotation valve group desanding sledge 1, individual well pipeline and many well casings road is flow to by rotation valve component, the desander entering rotation valve group desanding sledge 1 carries out desanding, then enter production water batch heater sledge 2 by many well casings road to heat, reducing pressure by regulating flow, enter test water batch heater sledge 4 by individual well pipeline to heat, reducing pressure by regulating flow, again respectively through production gas-liquid separation metering sled 3 with test gas-liquid separation metering sled 5 realizes gas-liquid separation and gas-liquid is measured respectively, finally carrying out gas-liquid merges mixed defeated, be delivered to treatment plant.Existing technique heats because water jacket furnace cannot realize cluster well many well groups unstripped gas simultaneously, need to arrange desander separately simultaneously, make technological process complicated, quarrying apparatus is integrated into 5 skid-mounted devices, define that ground installation is many, loose in disorder, the problem such as inconvenient operation, equipment recycling rate of waterused are low of Plant arrangement, cause oil-gas field development surface construction invest large, the construction period is long, running cost is high, cannot realize the high-efficiency mining of oil gas field.
By reference to the accompanying drawings 2-8, natural gas extraction technique in cluster well station of the present invention, the device used in described cluster well station natural gas extraction technique comprises multitube distance water jacket furnace sledge 6 and rotation separate measurement sledge 7, the unstripped gas of each individual well of cluster well enters into each tube side of the multitube distance water batch heater 9 on multitube distance water jacket furnace sledge respectively through raw material gas inlet 8, respectively through reducing pressure by regulating flow valve group 26 after heating, unstripped gas after step-down enters the rotation valve group 11 on rotation separate measurement sledge 7, rotation separate measurement sledge 7 is also provided with individual well gas-liquid sand three phase separator 16 and many gas well gas liquid sand three phase separator 17, unstripped gas after step-down switches and is delivered to individual well gas-liquid sand three phase separator 16 and many gas well gas liquid sand three phase separator 17 respectively by individual well pipeline 12 and many wells mixed pipe line 13 by rotation valve group 16 in turn, gas is carried out respectively in individual well gas-liquid sand three phase separator 16 and many gas well gas liquid sand three phase separator 7, liquid, sand three phase separation, gas after separation and liquid are respectively through one-well metering system 30 and many wells metering system 31, again by gas-liquid delivery pipeline 22 conveying out-station, gas-liquid delivery pipeline is communicated with outside treatment plant through connecting line.
Rotation separate measurement sledge 7 of the present invention is provided with individual well separate measurement sled 14 and many wells separate measurement sledge 15, individual well gas-liquid sand three phase separator 16 is arranged on individual well separate measurement sledge 14; Many gas well gas liquid sand three phase separator 17 is arranged on many wells separate measurement sledge.
Natural gas extraction technique in cluster well station of the present invention, directly the unstripped gas of each cluster well is directly heated by the water jacket furnace on multitube distance water jacket furnace sledge simultaneously, reducing pressure by regulating flow is carried out after heating, then the control medium flow direction is carried out by rotation valve group, and concentrate on a monomer sledge by rotation valve group, individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, the device making the present invention all concentrates on two sledges.And select the gas-liquid sand three phase separator being with the device that shakes out, replace existing desander and eliminator, change existing cluster well station production practice flow process, shorten equipment installation period, reduce and build and production run cost, realize the object of oil gas field high-efficiency mining.
Described multitube distance water jacket furnace sledge 6 comprises multitube distance water jacket furnace 9 and reducing pressure by regulating flow valve group 26, each individual well of one end and cluster well of each tube side of described multitube distance water jacket furnace 9 is communicated with, as a kind of preferred mode of the present invention, each tube side is communicated with through each individual well of unstripped gas air inlet port 8 and cluster well, and the other end of each tube side is communicated with reducing pressure by regulating flow valve group 26; Described reducing pressure by regulating flow valve group 26 is communicated with the rotation valve group 11 on rotation separate measurement sledge 7.The outlet of reducing pressure by regulating flow valve group 26 is communicated with rotation separate measurement sledge air inlet pipeline 28, thus the unstripped gas after heating, reducing pressure by regulating flow is delivered to rotation valve group 11.
The outlet of described rotation valve group 11 is communicated with individual well gas-liquid sand three phase separator 16 through individual well air inlet pipeline 12, and the outlet of described rotation valve group 11 is communicated with many gas well gas liquid sand three phase separator 17 through many wells mixed pipe line 13.Rotation valve group 11 controls the flow direction of the unstripped gas after heating, reducing pressure by regulating flow, namely be that the needs a bite individual well unstripped gas carried out in the cluster well monitored is delivered to individual well pipeline by rotation valve group 11, other well unstripped gas mixing of cluster well is simultaneously delivered to many wells mixed pipe line by rotation valve group 11.
Described individual well gas-liquid sand three phase separator 16 is that the unstripped gas of individual well pipeline carries out separating treatment on this equipment.Individual well gas-liquid sand three phase separator 16 is equipped with the one-well metering system 30 for measuring the individual well gas-liquid sand isolated gas-liquid of three phase separator 16 and liquid.One-well metering system 30 comprises individual well gas dosing pipeline 18 and individual well liquid meter pipeline 19.
Described many gas well gas liquid sand three phase separator 17 is that the unstripped gas on many well casings road carries out separating treatment jointly on this equipment.Many gas well gas liquid sand three phase separator 17 is equipped with the many wells metering system 31 for measuring many gas well gas liquid sand isolated gas of three phase separator 17 and liquid, and many wells metering system 31 includes many gas well gas body metering pipeline 20 and many wells liquid meter pipeline 21.Many wells metering system 31 and one-well metering system 30 are communicated with gas-liquid delivery pipeline 22, are then delivered to outside treatment plant through gas-liquid delivery pipeline 22.
Rotation valve group 11 of the present invention is provided with blowdown piping 25, and described individual well separate measurement sled 14 and many wells separate measurement sled 15 are equipped with blowdown piping, and merge with blowdown piping 25.
The fuel gas of multitube distance water jacket furnace 9 comes from the isolated gas of many gas well gas liquid sand three phase separator 17, and gas accesses the burner 24 in multitube distance water jacket furnace 9 after filtration after pressure regulation.Rotation separate measurement sledge 7 of the present invention is also provided with gas circuit system 29, gas circuit system is filtered and pressure regulation many gas well gas liquid sand three phase separator cutting out partial gas, then be delivered in the burner 24 in tube side water jacket furnace 9, for heating the unstripped gas in tube side in multitube distance water jacket furnace.The raw material of burner of the present invention is the isolated portion gas of many gas well gas liquid sand three phase separator.
Embodiment one
The cluster well station natural gas extraction technique of the present embodiment, the device used in described cluster well station natural gas extraction technique comprises multitube distance water jacket furnace sledge and rotation separate measurement sledge, the unstripped gas of each individual well of cluster well enters into each tube side of the multitube distance water jacket furnace on multitube distance water jacket furnace sledge respectively, reducing pressure by regulating flow is carried out respectively after heating, unstripped gas after step-down enters the rotation valve group on rotation separate measurement sledge, rotation separate measurement sledge is also provided with individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, unstripped gas after step-down switches and branches to individual well pipeline and many well casings road by rotation valve group in turn, be delivered to individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator respectively, gas is carried out in individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, liquid, sand three phase separation, set off by gas-liquid delivery Pipeline transport again after gas after separation and liquid measure respectively.
Embodiment two
The cluster well station natural gas extraction technique of the present embodiment, the device used in described cluster well station natural gas extraction technique comprises multitube distance water jacket furnace sledge and rotation separate measurement sledge, the unstripped gas of each individual well of cluster well enters into each tube side of the multitube distance water jacket furnace on multitube distance water jacket furnace sledge respectively, reducing pressure by regulating flow is carried out respectively after heating, unstripped gas after step-down enters the rotation valve group on rotation separate measurement sledge, rotation separate measurement sledge is also provided with individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, unstripped gas after step-down switches and is delivered to individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator by rotation valve group in turn, unstripped gas after step-down carries out gas respectively in individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, liquid, sand three phase separation, set off by gas-liquid delivery Pipeline transport again after gas after separation and liquid measure respectively, described multitube distance water jacket furnace sledge comprises multitube distance water jacket furnace, and each individual well of one end and cluster well of each tube side of described multitube distance water jacket furnace is communicated with, and the other end of each tube side is communicated with reducing pressure by regulating flow valve group, described reducing pressure by regulating flow valve group is communicated with the rotation valve group on rotation separate measurement sledge.
Embodiment three
The cluster well station natural gas extraction technique of the present embodiment, the device used in described cluster well station natural gas extraction technique comprises multitube distance water jacket furnace sledge and rotation separate measurement sledge, the unstripped gas of each individual well of cluster well enters into each tube side of the multitube distance water jacket furnace on multitube distance water jacket furnace sledge respectively, reducing pressure by regulating flow is carried out respectively after heating, unstripped gas after step-down enters the rotation valve group on rotation separate measurement sledge, rotation separate measurement sledge is also provided with individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, unstripped gas after step-down switches and is delivered to individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator by rotation valve group in turn, unstripped gas after step-down carries out gas respectively in individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, liquid, sand three phase separation, set off by gas-liquid delivery Pipeline transport again after gas after separation and liquid measure respectively, described multitube distance water jacket furnace sledge comprises multitube distance water jacket furnace, and each individual well of one end and cluster well of each tube side of described multitube distance water jacket furnace is communicated with, and the other end of each tube side is communicated with reducing pressure by regulating flow valve group, described reducing pressure by regulating flow valve group is communicated with the rotation valve group on rotation separate measurement sledge, the outlet of described rotation valve group is communicated with individual well gas-liquid sand three phase separator through individual well air inlet pipeline, and the outlet of described rotation valve group is communicated with many gas well gas liquid sand three phase separator through many wells mixed pipe line.
Embodiment four
The cluster well station natural gas extraction technique of the present embodiment, the device used in described cluster well station natural gas extraction technique comprises multitube distance water jacket furnace sledge and rotation separate measurement sledge, the unstripped gas of each individual well of cluster well enters into each tube side of the multitube distance water jacket furnace on multitube distance water jacket furnace sledge respectively, reducing pressure by regulating flow is carried out respectively after heating, unstripped gas after step-down enters the rotation valve group on rotation separate measurement sledge, unstripped gas after step-down switches and is delivered to individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator by rotation valve group in turn, unstripped gas after step-down switches and is delivered to individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator by rotation valve group in turn, unstripped gas after step-down carries out gas respectively in individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, liquid, sand three phase separation, set off by gas-liquid delivery Pipeline transport again after gas after separation and liquid measure respectively, described multitube distance water jacket furnace sledge comprises multitube distance water jacket furnace, and each individual well of one end and cluster well of each tube side of described multitube distance water jacket furnace is communicated with, and the other end of each tube side is communicated with reducing pressure by regulating flow valve group, described reducing pressure by regulating flow valve group is communicated with the rotation valve group on rotation separate measurement sledge, described rotation valve group is communicated with individual well gas-liquid sand three phase separator through individual well air inlet pipeline, and described rotation valve group is communicated with many gas well gas liquid sand three phase separator through many wells mixed pipe line, described many gas well gas liquid sand three phase separator is equipped with many wells metering system, and many wells metering system is used for measuring the isolated gas of many gas well gas liquid sand three phase separator and liquid, described individual well gas-liquid sand three phase separator is equipped with one-well metering system, and one-well metering system is used for measuring the isolated gas-liquid of individual well gas-liquid sand three phase separator and liquid.
Embodiment five
On the basis of embodiment four, described rotation valve group is provided with blowdown piping, and described individual well gas-liquid sand three phase separator, many gas well gas liquid sand three phase separator are equipped with blowdown piping, and merge with the blowdown piping of rotation valve group.
Embodiment six
On the basis of embodiment five, the fuel gas of described multitube distance water jacket furnace comes from the isolated gas of many gas well gas liquid sand three phase separator, and gas accesses the burner in multitube distance water jacket furnace after filtration after pressure regulation.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a cluster well station natural gas extraction technique, it is characterized in that, the device used in described cluster well station natural gas extraction technique comprises multitube distance water jacket furnace sledge and rotation separate measurement sledge, the unstripped gas of each individual well of cluster well enters into each tube side of the multitube distance water jacket furnace on multitube distance water jacket furnace sledge respectively, reducing pressure by regulating flow is carried out respectively after heating, then the rotation valve group on rotation separate measurement sledge is entered, rotation separate measurement sledge is also provided with individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, unstripped gas after step-down switches and branches to individual well pipeline and many well casings road by rotation valve group in turn, be delivered to individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator respectively, gas is carried out respectively in individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator, liquid, sand three phase separation, set off by gas-liquid delivery Pipeline transport again after gas after separation and liquid measure respectively.
2. natural gas extraction technique in cluster well station according to claim 1, it is characterized in that, described multitube distance water jacket furnace sledge comprises multitube distance water jacket furnace, and each individual well of one end and cluster well of each tube side of described multitube distance water jacket furnace is communicated with, and the other end of each tube side is communicated with reducing pressure by regulating flow valve group; Described reducing pressure by regulating flow valve group is communicated with the rotation valve group on rotation separate measurement sledge.
3. natural gas extraction technique in cluster well station according to claim 2, it is characterized in that, the outlet of described rotation valve group is communicated with individual well gas-liquid sand three phase separator through individual well air inlet pipeline, and the outlet of described rotation valve group is communicated with many gas well gas liquid sand three phase separator through many wells mixed pipe line.
4. natural gas extraction technique in cluster well station according to claim 3, it is characterized in that, described many gas well gas liquid sand three phase separator is equipped with many wells metering system, and many wells metering system is used for measuring the isolated gas of many gas well gas liquid sand three phase separator and liquid; Described individual well gas-liquid sand three phase separator is equipped with one-well metering system, and one-well metering system is used for measuring the isolated gas-liquid of individual well gas-liquid sand three phase separator and liquid.
5. natural gas extraction technique in cluster well station according to claim 4, is characterized in that, described rotation valve group is provided with blowdown piping, and described individual well gas-liquid sand three phase separator and many gas well gas liquid sand three phase separator are equipped with blowdown piping.
6. according to the arbitrary described cluster well station natural gas extraction technique of claim 1 or 2, it is characterized in that, the fuel gas of described multitube distance water jacket furnace comes from the isolated gas of many gas well gas liquid sand three phase separator, and gas accesses the burner in multitube distance water jacket furnace after filtration after pressure regulation.
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| CN105927203B (en) * | 2016-04-28 | 2019-02-19 | 四川科宏石油天然气工程有限公司 | A kind of cluster well individual well test separating technology |
| CN109138964A (en) * | 2018-08-15 | 2019-01-04 | 贵州大学 | A kind of shale gas desanding device |
| CN109138964B (en) * | 2018-08-15 | 2021-04-09 | 贵州大学 | Shale gas sand removing device |
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