SY/T 5398-1991 Specification for metering equipment at crude oil, natural gas and stable light hydrocarbon transfer stations
Some standard content:
Petroleum and Natural Gas Industry Standard of the People's Republic of China SY/T5398-91
Specification for Measuring Instruments in Metering Stations for Transferring Crude Oil, Natural Gas and Stable Light Hydrocarbons
Published on November 20, 1991
Ministry of Energy of the People's Republic of China
Implementation on May 1, 1992
This standard is still valid after the review in 199, and the review result has been approved by the State Administration of Petroleum and Chemical Industry.
Petroleum and Natural Gas Industry Standard of the People's Republic of China Specification for Measuring Instruments in Metering Stations for Transferring Crude Oil, Natural Gas and Stable Light Hydrocarbons
1 Subject Content and Applicability
SY/T 5398-91
This specification specifies the specifications, models, accuracy, quantity and application scope of the measuring instruments in the sales and transfer stations of crude oil, natural gas and stable light hydrocarbons.
This specification is applicable to the crude oil, natural gas and stable light hydrocarbon sales stations of various oil companies and the handover metering stations between oil companies. 2
Referenced standardsbZxz.net
GB1884Determination of density of crude oil and liquid petroleum productsGB0109.1General principles for dynamic measurement of crude oilGB4756Sampling method for petroleum and liquid petroleum products (manual method)Determination of water content of petroleum products
GB 260
GB8017Determination of vapor pressure of petroleum products (Reid method)SYL04Measuring method of natural gas flow by standard orifice plateSY5713Dynamic sampling method of crude oil by arrow line
Measurement procedure for transfer of petroleum and liquid petroleum products by railway tank carSYT. 022
3Principles for the allocation of measuring instruments
3.1 When the flowmeter dynamically measures crude oil, the mass limit error shall not exceed ±0.35%; when the vertical metal measuring tank statically measures crude oil, the mass limit error shall not exceed ±0.35%; when the railway tank car statically measures crude oil, the mass limit error shall not exceed ±0.7%. 3.2 When the standard orifice valve is used to measure natural gas, the standard volume limit error shall not exceed ±2%. When the gas flow meter is used, the standard volume limit error shall not exceed ±2%.
3.3 When the flow meter is used to measure light hydrocarbons dynamically, the mass limit error shall not exceed ±1%. When the metal metering pressure gauge is used to measure light hydrocarbons statically, the mass limit error shall not exceed ±1%. 3.4 All metering instruments shall be explosion-proof and their explosion-proof level shall comply with the relevant national explosion-proof standards. 3.5 Other metering instruments not specified in this specification shall be equipped in accordance with the relevant national standards when necessary. 4.1 Equipment of crude oil metering instruments
Approved by the Ministry of Energy of the People's Republic of China on November 20, 1991 and implemented on May 1, 1992
sY/t 5398--91
4.1.1 Measuring instruments for metering stations that use flow meters to measure crude oil are shown in Table 1. Table 1 Flow meter Metering station for crude oil Metering equipment No. Meter cover Instrument name Accuracy or specification Waist wheel and other positive displacement flow meter and ancillary equipment not less than 0.2 grade eliminator, filter, check valve (when the flow basket meter may reverse, a check valve is installed) Working vibration tube liquid density meter or Manual determination instrument Crude oil water content analysis instrument or On-line instrument Glass mercury thermometer or Temperature transmitter Spring tube pressure gauge Pressure transmitter Spring tube pressure gauge Manual take-out of crude oil pipeline Sampler or original
Automatic sampler for oil pipeline
Standard volume tube or
Standard flowmeter
Microcomputer or other
type calculator that can meet the requirements
Limit error does not exceed
±0,0019/cm3
Limit error does not exceed
Graduation value E0.5°C
Not less than 0.5 level
Not less than 1.5 level
Not less than 1,5 level
Select as needed
Reproducibility is better than
±0.02%,
Reproducibility is better than
Select as needed|| tt||At least 3 units per group
(including spare)
Every 2 units
(including spare)
Measure crude oil under temperature and
pressure||Determine crude oil density
Online instrumentEach group determines the water content of crude oil
2 units (including spare)
1 or
Used to measure crude oil temperature
Used to measure crude oil pressure
Monitor filter blockage
Manually determine crude oil density and water content
Sampling
Used to online calibration of cattle
Midstream rat meter
Used to dry Oil quantity calculation
The optimal flow rate of the flow meter
is||75~80%
of the rated flow rate
When it is used for measuring the original oil density by engineering method, it shall be equipped according to GB
1884
When it is used for measuring the original oil-water content by manual method, it shall be equipped according to GB260
One
or both can be selected according to the needs. Install them at the outlet of the flow meter
Install them at the inlet and outlet of the flow meter
Install them in front of the filter inlet
On the oil pipeline
Manual method connection GB 4756
equipment! ：Automatic sampling interface SY5713 is equipped with the original gift of G389109.1, and equipped with the required ancillary equipment. Note: A group of flow meters refers to: The number of flow meters equipped on an oil pipeline. The number of temperature and pressure instruments refers to the number of flow meters that should be equipped on a flow meter. Density, water content, sampling and other instruments refer to the number of instruments equipped for a group of flow meters; standard volume tubes, computers, etc. refer to the number of instruments equipped for a station. The following tables are the same. 2 SY/T 5398—91
The metering instruments of the metering station using vertical metal metering tanks for measuring crude oil are shown in Table 2. 4.1.2
Measuring instruments of the metering station using vertical metal metering tanks for measuring crude oil are equipped with serial number
Name of measuring instrument
Vertical metal metering tank
Measuring oil steel tape measure with automatic measuring device
Crude oil density measuring instrument
Crude oil water content measuring instrument
Glass mercury thermometer or
Temperature transmitter
Oil extraction instrument
Calculator capable of performing digital operations
Or other calculators that meet the requirements
Accuracy or specification
Basic error of volume does not exceed±0 .2%
Minimum graduation value
Limit error does not exceed
[0.0015/cm3
Limit error does not exceed
Graduation micro is not greater than
0.5\C, 0.5 level
Select as needed
Select as needed
Equip as needed
Measure the crude oil by measuring the size of the tank
The maximum volume
Measure the liquid level of the oil tank
Determine the water content of crude oil
Determine the temperature of crude oil according to GH8927
4.1.3 Application of railway tank car measurement The measuring instruments of the crude oil metering station are shown in Table 3. Crude oil sampling calculation
Table 3 Measuring instruments for railway tank car crude oil metering station Serial number
Measuring instrument name
Railway tank car
Kettle oil dipstick
Accuracy or specification
Basic error of volume
Not exceeding ±0.5%
Accuracy shall be determined in accordance with the provisions of SYL02
Equipped as needed
Equipped as needed
Gauge and transport source
Measure the liquid level height of the tank car
Note, crude oil density, water content, temperature, sampling and oil volume gauge and other instruments shall be equipped in accordance with 4,1,2. Equipment
According to GB1884 provisions
According to GB260 provisions
Installation location refer to
GB8927 provisions
GB4756 provisions
SY/T 5398--91
Application Railway track scale Measuring instruments for crude oil metering stations are shown in Table 4. 4.1.4
Name of measuring instruments
Railway track scale
Railway track scale Measuring instruments for crude oil metering stations Accuracy or niger
Not less than u.5
The crude oil is determined by weighing the railway tank car
. The instruments for source oil sampling, water content determination and oil quantity calculation shall be equipped as required according to 4.1.2. 4.2 Equipment of natural gas metering instruments
4.21 The metering station metering natural gas using standard throttling device (standard orifice valve) shall be equipped with metering instruments as shown in Table 5. Note
Table 5 Standard throttling device (standard orifice plate, standard orifice valve) Metering station metering natural gas metering equipment configuration serial number
Measuring instrument name
Standard orifice equipped with front and rear straight pipe sections,
Filter
Sieve spring tube pressure gauge
Pressure transmitter
Differential pressure transmitter
Corrugated differential pressure gauge
Glass mercury thermometer
Temperature transmitter
Gas density measuring instrument
Gas sampler
Please discuss
Accuracy or specification
Orifice geometry and size inspection
|tt||The measurement shall comply with the requirements
not less than 1.5 level
not less than 05 level
not less than 0.5 level
not less than 1.0 level
The graduation value shall not be greater than
not less than 0.5 level
The limit error shall not exceed
±o.o1g/cm
According to the requirements,
two sets of orifice installation shall be equipped
(including spare)
The instrument shall be selected and equipped according to the requirements
The limit error shall not exceed
Note that the number of temperature, differential pressure, pressure and other tools refers to the number of tools for one orifice plate. 4
Measure the volume of natural gas
Used to measure gas pressure
Used to measure the front and rear of the orifice
Used to measure gas temperature
Used to measure gas density
Used to take gas samples
Microcomputer is used for gas meter
Calculation, and matching with corrugated tube differential pressure gauge
Have to choose one or
Optional one
According to the needs, use
one or all
Including using component analyzer
table to analyze and calculate gas density
SY/T 5398-91
4.2.2 Gas flow meter The metering equipment of natural gas metering station is shown in Table 6. Table 6 Gas flowmeter Measuring instruments for natural gas metering stations Serial number
Measuring instrument name
Point flow meter: Vortex flowmeter
and other applicable flow indicators: and equipped with filters, etc.
Glass mercury temperature
Temperature transmitter
Spring tube force meter
Force transmitter
Stock sampler
Gas calculation instrument
Accuracy or specification
Not less than 1.5
Graduation value not greater than For
not less than level 0.5
not less than level 5
not less than level 0.5
egg grid root Shan needs
Specifications according to the instrument
standard flow meter, sonic nozzle or applicable reproducibility better than other standard filling instruments
Measuring instruments of stable light hydrocarbon metering station 43
Connectors should be equipped
According to the instrument to be equipped
Connectors should be equipped
4.3.1 The metering instruments of the metering station for measuring stable light hydrocarbons should be shown in Table 7. Purpose
Measure natural gas
Use to measure natural gas
Use to measure natural gas
Use to take gas samples
Use to calibrate flowmeter
Flowmeter for measuring light hydrocarbons in metering stations Measuring instruments equipped with serial number
Meter name
Selection of shaft grinding or self-lubricating capacity, velocity type vortex balance, flowmeter, wave equipment, filter, degassing
, regulating valve, etc.
Accuracy or specification
The actual liquid calibration should not be less than 3 sets per group (including measuring light hydrocarbons at the highest temperature and pressure
Online or sample measurement of light hydrocarbon density The limit error of the instrument shall not exceed +0. 005g/cm
Glass mercury humidity:
Temperature transmitter
The score is not less than
Not less than 0.5 level
Equipped as needed for light hydrocarbon density
For measuring light hydrocarbon temperature
Select one or
Both can be used according to needs
Select one according to needs
Both can be used
Including the use of component analysis
Table analysis and calculation of density
According to the requirements, any one of the following is required
Name of measuring instrument
Spring temporary pressure gauge
Pressure transmitter
Sampler
Fixed or movable light hydrocarbon standard
Volume tube
Light hydrocarbon standard flowmeter
Microcomputer or other
type of measuring instrument that can meet the calculation requirements
SY/T 5398—91
Accuracy or specification
Not less than 0.4 level
Not less than 0.5 level
Specifications are selected according to needs
Reproducibility is better than
Reproducibility is better than
Determined according to needs
Equipped according to needs
Used to measure light hydrocarbon pressure. According to the report, one of them should be selected and installed at the inlet and outlet of the flow meter
For sampling
Used to calibrate production
Flowmeter
Used for oil volume calculation
Application of metal metering pressure vessels for stable metering of light hydrocarbon metering stations. See Table 8 for metering equipment. Table 8 Metal metering pressure vessels for stable metering of light hydrocarbon metering stations. Measuring instruments for metering stations for measuring stable light hydrocarbons using pressure vessels Measuring instruments name
Metal measuring pressure vessels (boxes or
balls)
High-pressure anti-frost liquid level gauge Other liquid level measuring devices that can meet the requirements Accuracy or specifications
Basic error of volume does not exceed ±0.5%
Graduation value is 1mm
Equipped as needed
Equipped as needed Note: For temperature, pressure, density, sampling and calculation instruments, refer to 4.3.1 for configuration. 4.3.3 Measuring instruments for metering stations for measuring stable light hydrocarbons using the weighing method are shown in Table 9. Purpose
Used to measure the
volume of light hydrocarbons
Detect the
liquid level of light hydrocarbons in the tank
Table 9 Measuring instruments for measuring stable light hydrocarbons by weighing method Measuring instrument name
Basement scale
Accuracy or specification
Basic error shall not exceed
Note, equipment for drinking water, calculation and other instruments refer to 4.1.2.6
Equipped as needed
Used for weighing light hydrocarbons
Choose one according to needs
SY/T5389—91
Additional notes:
This specification is formulated based on the "General Rules for the Allocation and Management of Enterprise Energy Measuring Instruments" of the former State Economic Commission and the current status of measuring instruments used for sales measurement and handover measurement of crude oil, natural gas and stable light hydrocarbons in my country, and taking into account the development requirements of measurement technology in the future.
This specification is issued by the Business Sales Bureau of China National Petroleum and Natural Gas Corporation and is under the jurisdiction of the Science and Technology Development Bureau of China National Petroleum and Natural Gas Corporation. This specification is drafted by the Measurement and Testing Institute of China National Petroleum and Natural Gas Corporation. The main drafters of this specification are Pan Guangtan and Du Renhe.o1g/cm
According to the requirements, it is necessary to equip
-group orifice installation
2 sets (including spare)
The root bundler should be selected and equipped appropriately according to the needs
The limit error should not exceed
Note, the number of equipment for temperature, differential pressure, pressure and other tools refers to the number of equipment for one orifice plate. 4
Measure the volume of natural gas
Used to measure gas pressure
Used to measure the front and rear of the orifice
Used to measure gas temperature
Used to measure gas density
Used to take gas samples
Microcomputer is used for gas meter
Calculation, and matching with corrugated tube differential pressure gauge
Have to choose one or
Optional one
According to the needs, use
one or all
Including using component analyzer
table to analyze and calculate gas density
SY/T 5398-91
4.2.2 Gas flow meter The metering equipment of natural gas metering station is shown in Table 6. Table 6 Gas flowmeter Measuring instruments for natural gas metering stations Serial number
Measuring instrument name
Point flow meter: Vortex flowmeter
and other applicable flow indicators: and equipped with filters, etc.
Glass mercury temperature
Temperature transmitter
Spring tube force meter
Force transmitter
Stock sampler
Gas calculation instrument
Accuracy or specification
Not less than 1.5
Graduation value not greater than For
not less than level 0.5
not less than level 5
not less than level 0.5
egg grid root Shan needs
Specifications according to the instrument
standard flow meter, sonic nozzle or applicable reproducibility better than other standard filling instruments
Measuring instruments of stable light hydrocarbon metering station 43
Connectors should be equipped
According to the instrument to be equipped
Connectors should be equipped
4.3.1 The metering instruments of the metering station for measuring stable light hydrocarbons should be shown in Table 7. Purpose
Measure natural gas
Use to measure natural gas
Use to measure natural gas
Use to take gas samples
Use to calibrate flowmeter
Flowmeter for measuring light hydrocarbons in metering stations Measuring instruments equipped with serial number
Meter name
Selection of shaft grinding or self-lubricating capacity, velocity type vortex balance, flowmeter, wave equipment, filter, degassing
, regulating valve, etc.
Accuracy or specification
The actual liquid calibration should not be less than 3 sets per group (including measuring light hydrocarbons at the highest temperature and pressure
Online or sample measurement of light hydrocarbon density The limit error of the instrument shall not exceed +0. 005g/cm
Glass mercury humidity:
Temperature transmitter
The score is not less than
Not less than 0.5 level
Equipped as needed for light hydrocarbon density
For measuring light hydrocarbon temperature
Select one or
Both can be used according to needs
Select one according to needs
Both can be used
Including the use of component analysis
Table analysis and calculation of density
According to the data, any one of the following is required
Name of measuring instrument
Spring temporary pressure gauge
Pressure transmitter
Sampler
Fixed or movable light hydrocarbon standard
Volume tube
Light hydrocarbon standard flowmeter
Microcomputer or other
type of measuring instrument that can meet the calculation requirements
SY/T 5398—91
Accuracy or specification
Not less than 0.4 level
Not less than 0.5 level
Specifications are selected according to needs
Reproducibility is better than
Reproducibility is better than
Determined according to needs
Equipped according to needs
Used to measure light hydrocarbon pressure. According to the report, one of them should be selected and installed at the inlet and outlet of the flow meter
For sampling
Used to calibrate production
Flowmeter
Used for oil volume calculation
Application of metal metering pressure vessels for stable metering of light hydrocarbon metering stations. See Table 8 for metering equipment. Table 8 Metal metering pressure vessels for stable metering of light hydrocarbon metering stations. Measuring instruments for metering stations for measuring stable light hydrocarbons using pressure vessels Measuring instruments name
Metal measuring pressure vessels (boxes or
balls)
High-pressure anti-frost liquid level gauge Other liquid level measuring devices that can meet the requirements Accuracy or specifications
Basic error of volume does not exceed ±0.5%
Graduation value is 1mm
Equipped as needed
Equipped as needed Note: For temperature, pressure, density, sampling and calculation instruments, refer to 4.3.1 for configuration. 4.3.3 Measuring instruments for metering stations for measuring stable light hydrocarbons using the weighing method are shown in Table 9. Purpose
Used to measure the
volume of light hydrocarbons
Detect the
liquid level of light hydrocarbons in the tank
Table 9 Measuring instruments for measuring stable light hydrocarbons by weighing method Measuring instrument name
Basement scale
Accuracy or specification
Basic error shall not exceed
Note, equipment for drinking water, calculation and other instruments refer to 4.1.2.6
Equipped as needed
Used for weighing light hydrocarbons
Choose one according to needs
SY/T5389—91
Additional notes:
This specification is formulated based on the "General Rules for the Allocation and Management of Enterprise Energy Measuring Instruments" of the former State Economic Commission and the current status of measuring instruments used for sales measurement and handover measurement of crude oil, natural gas and stable light hydrocarbons in my country, and taking into account the development requirements of measurement technology in the future.
This specification is issued by the Business Sales Bureau of China National Petroleum and Natural Gas Corporation and is under the jurisdiction of the Science and Technology Development Bureau of China National Petroleum and Natural Gas Corporation. This specification is drafted by the Measurement and Testing Institute of China National Petroleum and Natural Gas Corporation. The main drafters of this specification are Pan Guangtan and Du Renhe.o1g/cm
According to the requirements, it is necessary to equip
-group orifice installation
2 sets (including spare)
The root bundler should be selected and equipped appropriately according to the needs
The limit error should not exceed
Note, the number of equipment for temperature, differential pressure, pressure and other tools refers to the number of equipment for one orifice plate. 4
Measure the volume of natural gas
Used to measure gas pressure
Used to measure the front and rear of the orifice
Used to measure gas temperature
Used to measure gas density
Used to take gas samples
Microcomputer is used for gas meter
Calculation, and matching with corrugated tube differential pressure gauge
Have to choose one or
Optional one
According to the needs, use
one or all
Including using component analyzer
table to analyze and calculate gas density
SY/T 5398-91
4.2.2 Gas flow meter The metering equipment of natural gas metering station is shown in Table 6. Table 6 Gas flowmeter Measuring instruments for natural gas metering stations Serial number
Measuring instrument name
Point flow meter: Vortex flowmeter
and other applicable flow indicators: and equipped with filters, etc.
Glass mercury temperature
Temperature transmitter
Spring tube force meter
Force transmitter
Stock sampler
Gas calculation instrument
Accuracy or specification
Not less than 1.5
Graduation value not greater than For
not less than level 0.5
not less than level 5
not less than level 0.5
egg grid root Shan needs
Specifications according to the instrument
standard flow meter, sonic nozzle or applicable reproducibility better than other standard filling instruments
Measuring instruments of stable light hydrocarbon metering station 43
Connectors should be equipped
According to the instrument to be equipped
Connectors should be equipped
4.3.1 The metering instruments of the metering station for measuring stable light hydrocarbons should be shown in Table 7. Purpose
Measure natural gas
Use to measure natural gas
Use to measure natural gas
Use to take gas samples
Use to calibrate flowmeter
Flowmeter for measuring light hydrocarbons in metering stations Measuring instruments equipped with serial number
Meter name
Selection of shaft grinding or self-lubricating capacity, velocity type vortex balance, flowmeter, wave equipment, filter, degassing
, regulating valve, etc.
Accuracy or specification
The actual liquid calibration should not be less than 3 sets per group (including measuring light hydrocarbons at the highest temperature and pressure
Online or sample measurement of light hydrocarbon density The limit error of the instrument shall not exceed +0. 005g/cm
Glass mercury humidity:
Temperature transmitter
The score is not less than
Not less than 0.5 level
Equipped as needed for light hydrocarbon density
For measuring light hydrocarbon temperature
Select one or
Both can be used according to needs
Select one according to needs
Both can be used
Including the use of component analysis
Table analysis and calculation of density
According to the data, any one of the following is required
Name of measuring instrument
Spring temporary pressure gauge
Pressure transmitter
Sampler
Fixed or movable light hydrocarbon standard
Volume tube
Light hydrocarbon standard flowmeter
Microcomputer or other
type of measuring instrument that can meet the calculation requirements
SY/T 5398—91
Accuracy or specification
Not less than 0.4 level
Not less than 0.5 level
Specifications are selected according to needs
Reproducibility is better than
Reproducibility is better than
Determined according to needs
Equipped according to needs
Used to measure light hydrocarbon pressure. According to the report, one of them should be selected and installed at the inlet and outlet of the flow meter
For sampling
Used to calibrate production
Flowmeter
Used for oil volume calculation
Application of metal metering pressure vessels for stable metering of light hydrocarbon metering stations. See Table 8 for metering equipment. Table 8 Metal metering pressure vessels for stable metering of light hydrocarbon metering stations. Measuring instruments for metering stations for measuring stable light hydrocarbons using pressure vessels Measuring instruments name
Metal measuring pressure vessels (boxes or
balls)
High-pressure anti-frost liquid level gauge Other liquid level measuring devices that can meet the requirements Accuracy or specifications
Basic error of volume does not exceed ±0.5%
Graduation value is 1mm
Equipped as needed
Equipped as needed Note: For temperature, pressure, density, sampling and calculation instruments, refer to 4.3.1 for configuration. 4.3.3 Measuring instruments for metering stations for measuring stable light hydrocarbons using the weighing method are shown in Table 9. Purpose
Used to measure the
volume of light hydrocarbons
Detect the
liquid level of light hydrocarbons in the tank
Table 9 Measuring instruments for measuring stable light hydrocarbons by weighing method Measuring instrument name
Basement scale
Accuracy or specification
Basic error shall not exceed
Note, equipment for drinking water, calculation and other instruments refer to 4.1.2.6
Equipped as needed
Used for weighing light hydrocarbons
Choose one according to needs
SY/T5389—91
Additional notes:
This specification is formulated based on the "General Rules for the Allocation and Management of Enterprise Energy Measuring Instruments" of the former State Economic Commission and the current status of measuring instruments used for sales measurement and handover measurement of crude oil, natural gas and stable light hydrocarbons in my country, and taking into account the development requirements of measurement technology in the future.
This specification is issued by the Business Sales Bureau of China National Petroleum and Natural Gas Corporation and is under the jurisdiction of the Science and Technology Development Bureau of China National Petroleum and Natural Gas Corporation. This specification is drafted by the Measurement and Testing Institute of China National Petroleum and Natural Gas Corporation. The main drafters of this specification are Pan Guangtan and Du Renhe.1 The metering station metering equipment for stable light hydrocarbons should be equipped as shown in Table 7. Purpose
Measure natural gas
Use to measure natural gas temperature
Use to measure natural gas
Use to take gas samples
Use to calibrate flow
Flowmeter
Metering station metering equipment for stable light hydrocarbons Serial number
Meter name
Selection shaft grinding or self-lubricating capacity
Velocity type vortex balance
Flowmeter
Other equipment, filters, degassing
, flying regulating valves, etc.
Accuracy or specification
The actual liquid calibration should not be less than 3 sets per group (including measuring light hydrocarbons under temperature and pressure
Online or sample measurement of light hydrocarbon density The limit error of the instrument shall not exceed +0. 005g/cm
Glass mercury humidity:
Temperature transmitter
The score is not less than
Not less than 0.5 level
Equipped as needed for light hydrocarbon density
For measuring light hydrocarbon temperature
Select one or
Both can be used according to needs
Select one according to needs
Both can be used
Including the use of component analysis
Table analysis and calculation of density
According to the data, any one of the following is required
Name of measuring instrument
Spring temporary pressure gauge
Pressure transmitter
Sampler
Fixed or movable light hydrocarbon standard
Volume tube
Light hydrocarbon standard flowmeter
Microcomputer or other
type of measuring instrument that can meet the calculation requirements
SY/T 5398—91
Accuracy or specification
Not less than 0.4 level
Not less than 0.5 level
Specifications are selected according to needs
Reproducibility is better than
Reproducibility is better than
Determined according to needs
Equipped according to needs
Used to measure light hydrocarbon pressure. According to the report, one of them should be selected and installed at the inlet and outlet of the flow meter
For sampling
Used to calibrate production
Flowmeter
Used for oil volume calculation
Application of metal metering pressure vessels for stable metering of light hydrocarbon metering stations. See Table 8 for metering equipment. Table 8 Metal metering pressure vessels for stable metering of light hydrocarbon metering stations. Measuring instruments for metering stations using pressure vessels to measure stable light hydrocarbons Measuring instrument name Metal measuring pressure vessels (boxes or balls) High-pressure anti-frost level gauge Other liquid level measuring devices that can meet the requirements Accuracy or specifications Basic error of volume does not exceed ±0.5% Graduation value is 1mm As required As required Note: For temperature, pressure, density, sampling and calculation instruments, refer to 4.3.1 for configuration. 4.3.3 Measuring instruments for metering stations using weighing method to measure stable light hydrocarbons are shown in Table 9. Purpose
Used to measure the
volume of light hydrocarbons
Detect the
liquid level of light hydrocarbons in the tank
Table 9 Measuring instruments for measuring stable light hydrocarbons by weighing method Measuring instrument name
Basement scale
Accuracy or specification
Basic error shall not exceed
Note, equipment for drinking water, calculation and other instruments refer to 4.1.2.6
Equipped as needed
Used for weighing light hydrocarbons
Choose one according to needs
SY/T5389—91
Additional notes:
This specification is formulated based on the "General Rules for the Allocation and Management of Enterprise Energy Measuring Instruments" of the former State Economic Commission and the current status of measuring instruments used for sales measurement and handover measurement of crude oil, natural gas and stable light hydrocarbons in my country, and taking into account the development requirements of measurement technology in the future.
This specification is issued by the Business Sales Bureau of China National Petroleum and Natural Gas Corporation and is under the jurisdiction of the Science and Technology Development Bureau of China National Petroleum and Natural Gas Corporation. This specification is drafted by the Measurement and Testing Institute of China National Petroleum and Natural Gas Corporation. The main drafters of this specification are Pan Guangtan and Du Renhe.1 The metering station metering equipment for stable light hydrocarbons should be equipped as shown in Table 7. Purpose
Measure natural gas
Use to measure natural gas temperature
Use to measure natural gas
Use to take gas samples
Use to calibrate flow
Flowmeter
Metering station metering equipment for stable light hydrocarbons Serial number
Meter name
Selection shaft grinding or self-lubricating capacity
Velocity type vortex balance
Flowmeter
Other equipment, filters, degassing
, flying regulating valves, etc.
Accuracy or specification
The actual liquid calibration should not be less than 3 sets per group (including measuring light hydrocarbons under temperature and pressure
Online or sample measurement of light hydrocarbon density The limit error of the instrument shall not exceed +0. 005g/cm
Glass mercury humidity:
Temperature transmitter
The score is not less than
Not less than 0.5 level
Equipped as needed for light hydrocarbon density
For measuring light hydrocarbon temperature
Select one or
Both can be used according to needs
Select one according to needs
Both can be used
Including the use of component analysis
Table analysis and calculation of density
According to the requirements, any one of the following is required
Name of measuring instrument
Spring temporary pressure gauge
Pressure transmitter
Sampler
Fixed or movable light hydrocarbon standard
Volume tube
Light hydrocarbon standard flowmeter
Microcomputer or other
type of measuring instrument that can meet the calculation requirements
SY/T 5398—91
Accuracy or specification
Not less than 0.4 level
Not less than 0.5 level
Specifications are selected according to needs
Reproducibility is better than
Reproducibility is better than
Determined according to needs
Equipped according to needs
Used to measure light hydrocarbon pressure. According to the report, one of them should be selected and installed at the inlet and outlet of the flow meter
For sampling
Used to calibrate production
Flowmeter
Used for oil volume calculation
Application of metal metering pressure vessels for stable metering of light hydrocarbon metering stations. See Table 8 for metering equipment. Table 8 Metal metering pressure vessels for stable metering of light hydrocarbon metering stations. Measuring instruments for metering stations for measuring stable light hydrocarbons using pressure vessels Measuring instruments name
Metal measuring pressure vessels (boxes or
balls)
High-pressure anti-frost liquid level gauge Other liquid level measuring devices that can meet the requirements Accuracy or specifications
Basic error of volume does not exceed ±0.5%
Graduation value is 1mm
Equipped as needed
Equipped as needed Note: For temperature, pressure, density, sampling and calculation instruments, refer to 4.3.1 for configuration. 4.3.3 Measuring instruments for metering stations for measuring stable light hydrocarbons using the weighing method are shown in Table 9. Purpose
Used to measure the
volume of light hydrocarbons
Detect the
liquid level of light hydrocarbons in the tank
Table 9 Measuring instruments for measuring stable light hydrocarbons by weighing method Measuring instrument name
Basement scale
Accuracy or specification
Basic error shall not exceed
Note, equipment for drinking water, calculation and other instruments refer to 4.1.2.6
Equipped as needed
Used for weighing light hydrocarbons
Choose one according to needs
SY/T5389—91
Additional notes:
This specification is formulated based on the "General Rules for the Allocation and Management of Enterprise Energy Measuring Instruments" of the former State Economic Commission and the current status of measuring instruments used for sales measurement and handover measurement of crude oil, natural gas and stable light hydrocarbons in my country, and taking into account the development requirements of measurement technology in the future.
This specification is issued by the Business Sales Bureau of China National Petroleum and Natural Gas Corporation and is under the jurisdiction of the Science and Technology Development Bureau of China National Petroleum and Natural Gas Corporation. This specification is drafted by the Measurement and Testing Institute of China National Petroleum and Natural Gas Corporation. The main drafters of this specification are Pan Guangtan and Du Renhe.
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