CN202074232U - Natural-gas and condensate-oil metering and distributing device - Google Patents
Natural-gas and condensate-oil metering and distributing device Download PDFInfo
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- CN202074232U CN202074232U CN 201120157173 CN201120157173U CN202074232U CN 202074232 U CN202074232 U CN 202074232U CN 201120157173 CN201120157173 CN 201120157173 CN 201120157173 U CN201120157173 U CN 201120157173U CN 202074232 U CN202074232 U CN 202074232U
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Abstract
The utility model relates to a natural-gas distributing device, in particular to a natural-gas and condensate-oil metering and distributing device, which is characterized in that: the output end of a block gas-collecting unit is communicated with the input end of a block preseparator, the output end of the block preseparator is respectively communicated with the input end of a block raw-material natural-gas metering-component analyzing unit and the input end of a condensate-oil stabilizing unit, the output end of the block raw-material natural-gas metering-component analyzing unit is communicated with the input end of a natural-gas purification-processing unit, the output end of the natural-gas purification-processing unit is communicated with the input end of a commodity natural-gas metering-component analyzing unit, and the output end of the commodity natural-gas metering-component analyzing unit is communicated with a commodity natural-gas conveying pipeline; and the output end of the condensate-oil stabilizing unit is communicated with the input end of a stabilized condensate-oil metering unit. Through the natural-gas and condensate-oil metering and distributing device, the metering and distributing problems of natural gas as a commodity and condensate oil as a byproduct are effectively solved, the scale is enhanced, the cost is lowered, and the benefit is improved.
Description
Technical field
The utility model relates to a kind of natural gas distribution device, particularly a kind of rock gas, condensate metering dispensing device.
Background technique
Along with The development in society and economy, rock gas is as clean energy resource, and demand is increasing, and the construction of natural gas fields also enters the fast-developing phase, the injection of domestic, international funds, and the domestic cooperation of rock gas and international cooperation exploration project are more and more.
The pattern of rock gas cooperative development generally is in same gas field, marks off several and has the zone that exploitation is worth, and is invested and developed by different investors.Each investor independently builds natural gas extraction, processing, the needed every facility of conveying, and the rock gas that exploitation is come out is sold to downstream user under the condition that satisfies national commodity gas index.
Therefore, in cooperation district, same gas field, generally there are two families and above investor to develop, because geological condition is basic identical, problems such as the natural gas processing of Jian Sheing separately, outer communication system process program, technology path are basic identical, cause processing, outer facility repeated construction such as defeated or construction scale little, and investment is high, the construction period is long, management point is many, be unfavorable for investor's maximizing the benefits, influence the Economy of project.
Summary of the invention
The purpose of this utility model is: a kind of rock gas, condensate metering dispensing device are provided, solve metering, the allocation problem of commercial natural gas and by-product condensate effectively.
The technical solution of the utility model is: relate to a kind of rock gas, condensate metering dispensing device, it comprises block gas collection unit, the block preseparator, block raw natural gas metering component analysis unit, the natural gas purification processing unit, commercial natural gas metering component analysis unit, the commercial natural gas conveyance conduit, condensate stabilization unit and stabilized condensate batching unit, it is characterized in that: block gas collection unit output terminal is communicated with block preseparator input end, block preseparator output terminal is communicated with respectively with block raw natural gas metering component analysis unit input end and condensate stabilization unit input end, block raw natural gas metering component analysis unit output terminal is communicated with natural gas purification processing unit input end, natural gas purification processing unit output terminal is communicated with commercial natural gas metering component analysis unit input end, and commercial natural gas metering component analysis unit is imported out to hold in the commercial natural gas conveyance conduit and is communicated with; Condensate stabilization unit output terminal is communicated with stabilized condensate batching unit input end; Natural gas purification processing unit and condensate stabilization unit interconnect.
Described block gas collection unit, block preseparator and block raw natural gas metering component analysis unit are provided with according to number of blocks, and the block preseparator output terminal of each block is communicated with end with the input of condensate stabilization unit and interconnects respectively; The block raw natural gas metering component analysis unit output terminal of each block is communicated with end with the input of natural gas purification processing unit and interconnects.
Described block raw natural gas metering component analysis unit is made of natural gas flowmeter and the connection of full constituent ANALYZER.
Described commercial natural gas metering component analysis unit is made of natural gas flowmeter and the connection of full constituent ANALYZER.
Described stabilized condensate batching unit comprises the condensate flowmeter.
Characteristics of the present invention are: the utility model has solved metering, the allocation problem of commercial natural gas and by-product condensate effectively, can realize the common investment construction of how tame investor, common use handle, defeated facility outward, to improve unit scale, avoid overlapping construction, the method of salary distribution is accurate, simple, easy operating, reduce the gas field development investment, increase economic efficiency.
Description of drawings
Below in conjunction with embodiment's accompanying drawing the utility model is described further:
Fig. 1 is rock gas, condensate metering dispensing device structural representation;
Fig. 2 is rock gas, the condensate metering dispensing device structural representation in two zones;
Fig. 3 is rock gas, the condensate metering dispensing device structural representation in three zones.
Among the figure: 1, block gas collection unit, 2, the block preseparator; 3, block raw natural gas metering component analysis unit; 4, natural gas purification processing unit; 5, commercial natural gas metering component analysis unit; 6, commercial natural gas conveyance conduit; 7, condensate stabilization unit; 8, stabilized condensate batching unit.
Embodiment
Embodiment 1
As shown in Figure 1, block gas collection unit output terminal 1 is communicated with block preseparator 2 input ends, block preseparator 2 output terminals are communicated with respectively with block raw natural gas metering component analysis unit 3 input ends and condensate stabilization unit 7 input ends, block raw natural gas metering component analysis unit 3 output terminals are communicated with natural gas purification processing unit 4 input ends, natural gas purification processing unit 4 output terminals are communicated with commercial natural gas metering component analysis unit 5 input ends, and commercial natural gas metering component analysis unit 5 is imported out to hold in commercial natural gas conveyance conduit 6 and is communicated with; Condensate stabilization unit 7 output terminals are communicated with stabilized condensate batching unit 8 input ends; Natural gas purification processing unit 4 interconnects with condensate stabilization unit 7.
Block raw natural gas metering component analysis unit 3 is made of natural gas flowmeter and the connection of full constituent ANALYZER.
Commercial natural gas metering component analysis unit 5 is made of natural gas flowmeter and the connection of full constituent ANALYZER.Commercial natural gas metering component analysis unit 5 is the commodity gas tolerance of metering through pooling together after processing accurately, as distributing tolerance and real-time in-line testing, analysis gas component.
Stabilized condensate batching unit 8 comprises the condensate flowmeter, and the export sales of stabilized condensate batching unit 8 accurate quantification stability condensates is as the final sendout of gas by-products.
The metering of rock gas, distribute to adopt " metering virgin gas, distribute commodity gas " principle to carry out, the commodity gas that measures according to the pro rate of the virgin gas that measures; The metering of condensate, distribution adopt " theory of computation condensation oil mass, distribution stabilized condensate amount " principle to carry out, according to the theoretical condensation oil mass that raw natural gas amount that measures and component calculate, the stabilized condensate amount that distribution and computation goes out.
The quantity that is provided with of block gas collection unit 1, block preseparator 2 and block raw natural gas metering component analysis unit 3 is 1.
When having only a block, commercial natural gas is G
1* G
C/ G
1=G
C, the condensation oil mass is O
C* O
1/ O
1=O
C
Block comes gas to pass through block preseparator 2 respectively, respectively the virgin gas after separating is measured and component analysis through raw natural gas metering component analysis device 3 then, obtains block material gas quantity G respectively
1With component T
1Virgin gas after the metering is after installing 4 purified treatment, and commercial natural gas enters metering and component analysis device 5 measures and analyzes, and obtains the commodity gas G that block adds up to
CWith component T
CSo, be G owing to have only a block to add up to commodity gas
1, component is T
1
The condensate that block preseparator 2 and natural gas purification processing unit 4 are separated after reaching relevant national standard and requiring, enters 8 meterings of stabilized condensate batching unit after condensate stabilization unit 7 is stable, obtain the stabilized condensate O that block adds up to
C
Embodiment 2
As shown in Figure 2, with 2 blocks is example, be respectively A district and B district, present embodiment and embodiment's 1 structure is basic identical, different is each block is respectively arranged with block gas collection unit 1, block preseparator 2 and block raw natural gas metering component analysis unit 3 each one.
In each block, block gas collection unit 1 output terminal is communicated with block preseparator 2 input ends, and block preseparator 2 output terminals are communicated with block raw natural gas metering component analysis unit 3 input ends; Each block preseparator 2 output terminal all is communicated with condensate stabilization unit 7 input ends, and each block raw natural gas metering component analysis unit 3 all is communicated with natural gas purification processing unit 4 input ends.Satisfied the raw natural gas of natural gas processing requirement, classification is delivered to natural gas treatment plant shared under the same operating mode.
The rock gas in A district and B district, the concrete method of salary distribution of condensate are as follows:
1, natural gas distribution mode
Because it is little that same gas field rock gas is formed difference, and the domestic volume metering method that all adopts, metering distributes the difference that can not consider gas component, and A, B two block commercial natural gas amounts are:
1. commercial natural gas=the G of A block
A* G
C/ (G
A+ G
B);
2. commercial natural gas=the G of B block
B* G
C/ (G
A+ G
B).
2, the condensate method of salary distribution
Condensate generally adopts Weighing, and gas component is bigger to the assignment affects of condensate, need consider the influence of component in minute timing.
Because the full constituent ANALYZER is generally measured C1～C6+, condensate component after stable is C4～C6+, earlier calculate the total amount of A, B block raw natural gas C4～C6+ respectively and compile after the total amount of commercial natural gas C4～C6+, calculate A, the isolated in theory condensation oil mass of B block respectively, carry out export trade stabilized condensate O with the ratio of this amount of calculation
CDistribution.That is:
1. the condensation oil mass=O of A block
C* O
A/ (O
A+ O
B);
2. the condensation oil mass=O of B block
C* O
B/ (O
A+ O
B).
In the formula,
The A block calculates condensation oil mass O
A=G
A* (W
A4* M
A4+ W
A5* M
A5+ W
A6* M
A6)-(G
A* G
C/ (G
A+ G
B)) * (W
C4* M
C4+ W
C5* M
C5+ W
C6* M
C6)
The B block calculates condensation oil mass O
B=G
B* (W
B4* M
B4+ W
B5* M
B5+ W
B6* M
B6)-(G
B* G
C/ (G
A+ G
B)) * (W
C4* M
C4+ W
C5* M
C5+ W
C6* M
C6)
Following formula W is meant the gas volume percentage of gathering in the full constituent ANALYZER of gas field raw natural gas metering component analysis device 3A, 3B and commercial natural gas metering component analysis unit 5, as W
A4Refer to A block virgin gas (A in the formula), in the C4(formula 4) percentage by volume.
Following formula M is meant that under the corresponding operating mode, the density of gas is as M
A4Refer to A block preseparator outlet port (A in the formula), in the C4(formula 4) density.
The computing cycle of W and mode: device 3A, 3B and 5 amounts to the full constituent ANALYZER at 3 places and measures 1 gas component (data acquiring frequency can according to circumstances be adjusted) at the integral point of every day simultaneously, gather the instantaneous flow at 3 places of this moment simultaneously, the mean value that calculates one month (time can according to circumstances be adjusted) according to average weighted mode measures distribution as the value of this month W.
During operation, (distributing two blocks with metering is example, be respectively A block and B block), A, B block come gas to pass through preseparator 2A, 2B respectively, respectively the virgin gas after separating is measured and component analysis with component analysis device 3A, 3B through the raw natural gas metering then, obtain A block material gas quantity G respectively
AWith component T
AAnd B block material gas quantity G
BWith component T
BVirgin gas after the metering is after installing 4 purified treatment, and commercial natural gas enters metering and component analysis device 5 measures and analyzes, and obtains the commodity gas G of A, B two blocks total
CWith component T
C
The condensate that preseparator 2A, 2B and natural gas purification processing unit 4 are separated is after condensate stabilization unit 7 is stablized, after reaching the relevant national standard requirement, enter 8 meterings of stabilized condensate batching unit, obtain the stabilized condensate O of A, B two blocks total
C
Embodiment 3
As shown in Figure 3, with three blocks is example, present embodiment and embodiment's 1 structure are basic identical, different is according to number of blocks, three block gas collection unit 1, three block preseparators 2 and three block raw natural gas meterings and component analysis device 3 are set, a block gas collection unit 1 is communicated with 2, one block preseparators 2 and is communicated with 3 with a block raw natural gas metering and component analysis device with a block preseparator.
Each block preseparator 2 output terminal all is communicated with condensate stabilization unit 7 input ends, and condensate stabilization unit 7 output terminals are communicated with stabilized condensate batching unit 8 input ends.
Each block raw natural gas metering component analysis unit 3 output terminal all is communicated with natural gas purification processing unit 4 input ends, is communicated with commercial natural gas metering and component analysis device 5, commercial natural gas conveyance conduit 6 successively behind the natural gas purification processing unit 4.
In sum, block gas collection of the present invention unit 1, block preseparator 2 and block raw natural gas metering component analysis unit 3 are provided with according to number of blocks, a shared cover natural gas purification processing unit 4, commercial natural gas metering component analysis unit 5, commercial natural gas conveyance conduit 6, condensate stabilization unit 7 and stabilized condensate batching unit 8
Each block natural gas distribution mode, parameter be in the following manner:
Commercial natural gas: G
i* G
C/ (G
1+ G
2+ G
3+ ...);
Condensation oil mass: O
C* O
i/ (O
1+ O
2+ O
3+ ...);
Calculate condensation oil mass: O
i=G
i* (W
I4* M
I4+ W
I5* M
I5+ W
I6* M
I6)-(G
i* G
C/ (G
1+ G
2+ G
3+ ... )) * (W
C4* M
C4+ W
C5* M
C5+ W
C6* M
C6).
Wherein, O
CBe total stabilized condensate amount of selling, W is meant at metering of gas field raw natural gas and component analysis device, the gas volume percentage that the full constituent ANALYZER of commercial natural gas metering and component analysis device is gathered, and M is meant the density of the gas under the corresponding operating mode.
Claims (5)
1. rock gas, condensate metering dispensing device, it comprises block gas collection unit (1), block preseparator (2), block raw natural gas metering component analysis unit (3), natural gas purification processing unit (4), commercial natural gas metering component analysis unit (5), commercial natural gas conveyance conduit (6), condensate stabilization unit (7) and stabilized condensate batching unit (8), it is characterized in that: block gas collection unit output terminal (1) is communicated with block preseparator (2) input end, block preseparator (2) output terminal is communicated with respectively with block raw natural gas metering component analysis unit (3) input end and condensate stabilization unit (7) input end, block raw natural gas metering component analysis unit (3) output terminal is communicated with natural gas purification processing unit (4) input end, natural gas purification processing unit (4) output terminal is communicated with commercial natural gas metering component analysis unit (5) input end, and commercial natural gas metering component analysis unit (5) is imported out to hold in commercial natural gas conveyance conduit (6) and is communicated with; Condensate stabilization unit (7) output terminal is communicated with stabilized condensate batching unit (8) input end; Natural gas purification processing unit (4) interconnects with condensate stabilization unit (7).
2. a kind of rock gas according to claim 1, condensate metering dispensing device, it is characterized in that: described block gas collection unit (1), block preseparator (2) and block raw natural gas metering component analysis unit (3) are provided with according to number of blocks, and block preseparator (2) output terminal of each block is communicated with end with condensate stabilization unit (7) input and interconnects respectively; Block raw natural gas metering component analysis unit (3) output terminal of each block is communicated with end with natural gas purification processing unit (4) input and interconnects.
3. a kind of rock gas according to claim 1, condensate metering dispensing device is characterized in that: described block raw natural gas metering component analysis unit (3) is made of natural gas flowmeter and the connection of full constituent ANALYZER.
4. a kind of rock gas according to claim 1, condensate metering dispensing device is characterized in that: described commercial natural gas metering component analysis unit (5) is made of natural gas flowmeter and the connection of full constituent ANALYZER.
5. a kind of rock gas according to claim 1, condensate metering dispensing device, it is characterized in that: described stabilized condensate batching unit (8) comprises the condensate flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120157173 CN202074232U (en) | 2011-05-17 | 2011-05-17 | Natural-gas and condensate-oil metering and distributing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120157173 CN202074232U (en) | 2011-05-17 | 2011-05-17 | Natural-gas and condensate-oil metering and distributing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202074232U true CN202074232U (en) | 2011-12-14 |
Family
ID=45112335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120157173 Expired - Fee Related CN202074232U (en) | 2011-05-17 | 2011-05-17 | Natural-gas and condensate-oil metering and distributing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322568A (en) * | 2011-05-17 | 2012-01-18 | 西安长庆科技工程有限责任公司 | Natural gas and gas condensate metering and distribution method |
| CN105001929A (en) * | 2015-08-12 | 2015-10-28 | 成都国光电子仪表有限责任公司 | Condensate natural gas separating and metering structure |
| CN105020585A (en) * | 2015-08-12 | 2015-11-04 | 成都国光电子仪表有限责任公司 | Condensate natural gas gas-phase flow metering device |
| CN105021248A (en) * | 2015-08-12 | 2015-11-04 | 成都国光电子仪表有限责任公司 | Structure convenient for achieving gas-liquid phase separation of natural gas and single measurement |
| CN105136214A (en) * | 2015-08-12 | 2015-12-09 | 成都国光电子仪表有限责任公司 | Metering device for condensate natural gas pipelines facilitating use of turbine flowmeter |
-
2011
- 2011-05-17 CN CN 201120157173 patent/CN202074232U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322568A (en) * | 2011-05-17 | 2012-01-18 | 西安长庆科技工程有限责任公司 | Natural gas and gas condensate metering and distribution method |
| CN102322568B (en) * | 2011-05-17 | 2013-04-10 | 西安长庆科技工程有限责任公司 | Natural gas and gas condensate metering and distribution method |
| CN105001929A (en) * | 2015-08-12 | 2015-10-28 | 成都国光电子仪表有限责任公司 | Condensate natural gas separating and metering structure |
| CN105020585A (en) * | 2015-08-12 | 2015-11-04 | 成都国光电子仪表有限责任公司 | Condensate natural gas gas-phase flow metering device |
| CN105021248A (en) * | 2015-08-12 | 2015-11-04 | 成都国光电子仪表有限责任公司 | Structure convenient for achieving gas-liquid phase separation of natural gas and single measurement |
| CN105136214A (en) * | 2015-08-12 | 2015-12-09 | 成都国光电子仪表有限责任公司 | Metering device for condensate natural gas pipelines facilitating use of turbine flowmeter |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20170517 |