in the Ministry of Justice of Ukraine
September 2, 2008.
of May 20, 2008 No. 281/171/578/155
About approval of the Instruction about procedure for acceptance, transportation, storage, leave and accounting of oil and oil products at the companies and the organizations of Ukraine
IT IS APPROVED
statistics of Ukraine
According to the Regulations on the Ministry of Fuel and Energy of Ukraine approved by the resolution of the Cabinet of Ministers of Ukraine of 02.11.2006 of N 1540, and for the purpose of the establishment of single procedure for the organization and performance of works connected with acceptance, transportation, storage, leave and accounting of commodity oil and oil products, PRIKAZYVAYEM:
1. Approve the Instruction about procedure for acceptance, transportation, storage, leave and accounting of oil and oil products at the companies and the organizations of Ukraine it (is applied).
2. To department concerning oil, gas and oil-processing industry of the Ministry of Fuel and Energy (Stadnik T. S.) provide submission of the order on state registration in the Ministry of Justice of Ukraine.
3. To impose control over the implementation of this order on the First Deputy Minister for Fuel and Energy Bugaev O. A.
Minister of fuel
and power industry of Ukraine
Minister of Economic Affairs of Ukraine
B. M. Danilishin
Minister of Transport
and communications of Ukraine
I. V. Vinsky
Chairman of the State committee
Ukraine concerning technical
regulations and consumer
O. S. Shnipko
Approved by the Order of Mintoplivenergo of Ukraine, Mintranssvyaz of Ukraine, Ministry of Economics of Ukraine, Gospotrebstandart of Ukraine of May 20, 2008 No. 281/171/578/155
This Instruction establishes single procedure for the organization and the performance of works connected with acceptance, transportation, storage, leave and accounting of commodity oil (further - oil) and oil products.
This Instruction extends to all classes, types, groups and types of oil and types, brands and types (depending on mass fraction of sulfur) oil products.
This Instruction does not extend to oil extraction, its delivery from trunk oil pipeline system to consumers and to interstate oil shipments and oil products.
Requirements of this Instruction are obligatory for all subjects of managing (the companies, organizations, the organizations and physical persons - entrepreneurs) which are engaged at least in one of such types of economic activity as purchase, transportation, storage and oil sale and oil products in the territory of Ukraine (further - the companies).
Oil refinery - oil and gas processing plants
NGDU - oil and gas production department
Gas station - gas station
TTN - commodity-transport delivery note on leave of oil products (oil)
The VAT - the value added tax
Broadcasting Company - fuel-dispensing columns
MRK - maslorazdatochny columns
EKKA - the electronic control cash register
ND - regulating documents
UUN - oil metering station
SIKN - oil quantity and quality measuring system
ONP - are fulfilled oil products
UOI - information processing device
RRO - the registrar of settlement transactions
ASN - the automated system of filling
The following terms in this Instruction have such determination.
Arbitral test - test of oil or oil product which is stored on case of emergence of discrepancies in quality evaluation of oil or oil product and is used for carrying out arbitral testing.
Arbitral testing or measurements (further - arbitral testing) - testing (measurement) for the purpose of determination of compliance of oil quality figures and/or oil products to requirements of regulating documents which are performed by neutral laboratory in case of contradictions in estimation of quality of oil or oil products.
Basic height of the horizontal reservoir - distance down from the plane accepted for reference mark to the upper edge of mouth of the reservoir or measuring tube.
Basic height of the vertical reservoir - distance down from bottom contact point with roulette load to the upper edge of the zamerny hatch of the directing level of the zamerny hatch.
The measuring line - part of design of SIKN which consists of expense converters complete with the magnetic-induction sensors and straight sections of pipelines equipped with devices of collecting of pressure and pockets for thermometers, latches and filters.
The measuring line working - the measuring line which is involved during the normal mode of operation of SIKN.
The measuring line reserve - the measuring line which is in not loaded reserve and can be involved at any moment.
Waste oils (ONP) - oil product during which operation there were changes of some properties regulated by the regulating documentation.
Oil metering station - set technical and the software providing measurement of weight, amount of oil density in real time it is direct on flow by mass dynamic or volume and mass dynamic method.
Gas condensate (light crude) - natural mix of the easy hydrocarbonic connections (With above) which are in gas in the 5th dissolved condition under certain thermobaric conditions and passing into liquid phase in case of reduction of pressure is up to one level lower than condensation pressure, corresponds to the regulating document which establishes its quality, and is raw materials for oil refinery.
The Graduirovalny table - the table calculated by results of tool determination of dependence of capacity of the reservoir on the level of its filling in case of the normalized value of temperature.
The range of expense and viscosity of oil the worker - area of values of expense and viscosity in which converters of expense and their normalized metrological characteristics are used.
Means of the measuring equipment (further - SIT) - the technical tool which is used during measurements and has the normalized metrological characteristics.
The mass of ballast - the lump of water, chloride salts and mechanical impurity in oil or the mass of water in oil products.
Weight gross - the lump of oil or oil product, ballast and container.
Net weight - the mass of oil or oil product is determined as weight difference gross and the mass of ballast and container.
Metrological certification of SIT - research SIT for the purpose of determination of their metrological characteristics and establishment of the validity of these means to application.
Measure of complete capacity - the amount gage which has the certificate on checking and is equipped with the index of level of filling (truck tank, trailerized tank, semitrailer truck tank).
Oil product - the product received in overtime of oil, gas condensate or their mix, except for petrochemical products.
Oil slime - mix of water, mechanical impurity, chloride salts with oil or oil products which accumulate during certain time in reservoirs pipelines and the equipment of oil refinery and are not subject to use in production.
The regulation of natural losses is maximum permissible size of irretrievable losses of oil products which arise directly in case of commodity-transport transactions owing to the physical and chemical processes accompanying them, and also losses which are inevitable at this level of condition of the used processing equipment (losses from evaporation because of thinness of pumps, latches, processing equipment), and also losses from sticking to internal surfaces and the equipment of reservoirs, vehicles and pipelines.
Accounting of oil and oil products - operation which is performed at the company during engineering procedure and which consists in scoping and the mass of oil or oil products for further accounting transactions.
Payment card - special means of payment in the form of emitted in the procedure established by the legislation plastic or other type of card which is used for initiation of money transfer from the account of the payer or from the corresponding bank account for the purpose of payment of cost of goods and services.
Checking of SIT - establishment of suitability of SIT to which the state metrological supervision, to application based on results of control of their metrological characteristics extends.
Checking of the reservoir - set of transactions which are carried out for the purpose of determination of capacity and graduation of the reservoir, creation and approval of the graduirovalny table.
Natural losses of oil products are losses (reduction of weight when preserving quality within requirements of regulating documents) which are consequence of physical and chemical properties of oil products, impacts of meteorological factors and imperfection of the remedies of oil products existing for this time from evaporation and sticking during the transporting, acceptance, storage and leave.
The registrar of settlement transactions - the device or software and hardware complex in which fiscal functions are implemented and which is intended for registration of settlement transactions in case of sales of goods (provision of services), transactions on purchase and sale of foreign currency and/or registration of quantity of the sold goods (the provided services).
The settlement document - the document of the established form and content (the cash register receipt, the sales receipt, the settlement receipt, the travel document, etc.) confirming the fact of sale (return) of goods, provision of services, receipt (return) of means, purchase and sale of foreign currency printed in cases, stipulated by the legislation Ukraine, and registered in accordance with the established procedure by the registrar of settlement transactions or filled manually.
The certificate on recognition of compliance - the document certifying recognition of foreign documents on confirmation of conformity of products to the requirements established by the legislation of Ukraine.
Light oil product - the product received in overtime of oil, gas condensate and having boiling temperature in the range from the 30th hail. With to the 370th hail. With (gasolines, kerosene, diesel fuels, etc.).
The certificate of conformity - the document, confirmatory that products, quality systems, quality management systems, management systems the environment, personnel conform to the established requirements of the specific standard or other regulating document determined by the legislation.
System of measurement of quantity and measure definition of quality of oil - the set of SIT, the processing and service equipment intended for accounting of oil with determination of its quantitative indices and forming of oil delivery and acceptance acts and quality certificates by as automatic accomplishment of functions, and one of the methods provided by GOST 26976-86 "Oil and oil products. Methods of measurement of weight" (further - GOST 26976) and this Instruction.
The coupon - the special coupon acquired under the terms and selling price of the caused nominal which confirms the right of its owner to obtaining to gas station of the fixed amount of oil product of certain name and the brand specified on it.
Commodity oil - the oil corresponding to the regulating document which establishes its quality for delivery to the consumer.
Trading activity - transaction between the supplier and the consumer which consists in scoping or the mass of oil and oil products for further accounting transactions.
4.1 General provisions
4.1.1 For ensuring reliability and unity of measurements of weight and amount of oil and oil products of the company SIT which I have the operating prints of testing brands and/or certificates on their checking or state metrological certification shall use.
4.1.2 The companies shall constitute annually till December 1 lists of SIT which are in operation and subjects to checking according to the Procedure for creation of lists of the means of the measuring equipment which are in operation and subjects to checking, approved by Gospotrebstandart's order of Ukraine of September 15, 2005 N 262, registered in the Ministry of Justice of Ukraine on October 4, 2005 for N 1139/11419, and to submit them for approval to territorial authorities of Gospotrebstandart of Ukraine on the location of the relevant company.
4.1.3 "About metrology and metrological activities" vertical and horizontal reservoirs, measuring instruments of temperature, level and density, metal roulettes with load, metrorods, level gages, Broadcasting Company and MRK, volume counters, scales, cistern and automobile cars and other SIT used during scoping and the mass of oil and oil products are subject to checking according to the Law of Ukraine.
The reservoirs which are in lease go in actual fact the lessor or the lessee (depending on terms of the contract).
The specified SIT are subject to checking or the state metrological certification in accordance with the established procedure according to DSTU 2708:2006 Metrology. Checking of means of the measuring equipment. Organization and procedure for carrying out or DSTU 3215-95 Metrology. Metrological certification of means of the measuring equipment. Organization and procedure for carrying out, respectively.
Checking of SIT is performed by the territorial authorities of Gospotrebstandart of Ukraine and testing laboratories authorized according to the Law of Ukraine "About metrology and metrological activities" on implementation of checking of the relevant SIT.
Use for measurements of amount and mass of SIT oil products which did not undergo checking or the state metrological certification is forbidden.
The software of means of the measuring equipment is subject to certification according to the procedure established by Gospotrebstandart of Ukraine.
4.1.4 SIT which are in operation are subject to periodic checking through intertesting intervals which procedure for establishment is determined by regulatory legal acts of Gospotrebstandart of Ukraine. Information of the intertesting intervals which are rather established for SIT is published in the index "The means of the measuring equipment entered in the State register of Ukraine" which is published by Gospotrebstandart of Ukraine.
4.1.5 SIT shall be applied with observance of the requirements specified in the operational documents relevant to SIT. The director the order appoints persons to whom implementation of permanent monitoring behind completeness, condition of SIT, correctness of their application is assigned.
4.1.6 At the companies metrological services shall be created or persons responsible for ensuring unity of measurements are designated by the order of the director. Metrological services of the companies and responsible persons in the work shall be guided by the existing regulatory legal acts and regulating documents on metrology.
4.1.7 In the course of the activities the companies shall be guided by the existing regulatory legal acts in the field of accounting and monitoring quality of oil and oil products and this Instruction. Monitoring quality of oil products for the aircraft equipment is performed according to the existing regulating documents of Mintranssvyaz of Ukraine.
4.2 Methods and means of determination of weight and amount of oil and oil products
4.2.1 Accounting of oil and oil products at oil refinery, the companies for providing with oil products, the companies of pipeline and nefteproduktoprovodny transport, filling points is conducted in units of mass, and at gas station - units of volume.
For determination of weight and amount of oil and oil products can be used volume and mass static, volume and mass dynamic, direct mass (static weighing and weighing during movement) and volume methods of measurements according to requirements of GOST 26976.
4.2.2 Volume and mass static method of measurements
220.127.116.11 The volume and mass static method determines the mass of oil and oil product by their amount, density and temperature. The amount of oil and oil products is determined by means of the graduated reservoirs and measuring instruments of level of oil and oil products in reservoirs, cistern cars, tanks of courts or by the complete capacity of measures (truck tanks, trailerized tanks, semitrailer trucks tanks).
18.104.22.168 Limits of relative error of method shall not exceed:
+-% 0,5 - during measurement of net weight of oil, oil products from 100 t and more;
+-% 0,8 - during measurement of net weight of oil, oil products to 100 t and waste oils.
Values of relative error of method in specific cases of its application shall be determined according to GOST 26976. The error of method does not extend to scoping of oil and oil product in measures of complete capacity (truck tanks, trailerized tanks, semitrailer trucks tanks).
4.2.3 Volume and mass dynamic method
Volume and mass and mass dynamic methods determine the mass of oil and oil products directly in oil and oil pipelines, and also in case of leave of oil products in truck tanks and cistern cars on the automated systems of filling. By these methods the amount or mass of oil and oil products are measured using volume or mass counters.
Limits of admissible relative error of method shall not exceed:
+-% 0,25 - during measurement of weight gross oils;
+-% 0,35 - during measurement of net weight of oil;
+-% 0,5 - during measurement of net weight of oil products from 100 t and more;
+-% 0,8 - during measurement of net weight of oil products to 100 t and waste oils.
Limits of admissible relative error of method in specific cases of its application shall be determined according to GOST 26976.
The error of method does not extend to scoping of oil product in transport measures of complete capacity.
4.2.4 Direct (weight) method of measurements of weight (static weighing and weighing during movement)
22.214.171.124 Measure by direct (weight) method the mass of oil and oil products in container and vehicles by weighing on scales (cistern and automobile cars) for static weighing of middle class of accuracy in accordance with GOST 29329-92 "Scales for static weighing. General technical requirements" with the number of testing divisions it is at least of 3000.
Limits of relative error of method shall not exceed:
+-% 0,5 - during measurement of net weight of oil products, and also mass of bitumens;
+-% 0,3 - during measurement of net weight of plastic lubricant oils.
126.96.36.199 Mass gross of oil and oil products shall be within the range of weighing of scales. Service conditions of scales shall conform to requirements of operational documents of specific types of scales.
188.8.131.52 Net weight of oil products is determined as difference between weight gross and the mass of water and container.
Net weight of oil is determined as difference between weight gross and the mass of ballast and container.
184.108.40.206 The mass of oil and oil product of cistern cars is determined as difference between the measured mass of the loaded tanks and the mass of empty tanks determined by results of their weighing.
220.127.116.11 Determination of mass of oil and oil products in tanks during movement is allowed only on railway truck scales for weighing during movement by the technique stated in the maintenance instruction of scales or by the separate technique certified in accordance with the established procedure.
18.104.22.168 Determination of mass of oil products which are transported by rail transport shall be performed taking into account requirements of the Instruction about procedure for application of means of the weight measuring equipment on rail transport approved by the order of the Ministry of transport of Ukraine of April 5, 2004 N 279, of Ukraine registered in the Ministry of Justice on April 23, 2004 for N 527/9126.
4.2.5 Volume method of measurements
22.214.171.124 The volume method measures only oil product amount. For measurements of amount of oil products at gas station Broadcasting Company and MRK which have the counting devices for indication of the price, amount and cost of the issued dose are used.
126.96.36.199 During realization to consumers of light oil products and oils to consumers at gas station only fuel-dispensing columns with admissible relative error under operating conditions in all range of temperatures not worse +-0,5 of % and maslorazdatochny columns with admissible main relative error shall be applied % 1,0 with registrars of settlement transactions according to requirements of the Law of Ukraine "About application of registrars of settlement transactions in the field of trade is not worse +-, than public catering and services".
188.8.131.52 The oil product amount during its leave to owners of road transport is measured in the modes remote and the Broadcasting Company and MRK local authority.
184.108.40.206 For remote control of Broadcasting Company and MRK the technical means relating to structure of the specialized electronic control cash registers entered in the State register of electronic control cash registers and computer systems of Ukraine for scope of application at gas station shall be used. The specified means shall conform to technical requirements to specialized electronic control cash registers for scope of application at gas station and provide registration of money and provision of settlement documents in single production cycle with leave of oil products.
220.127.116.11 The Broadcasting Company and MRK local authority shall provide possibility of functioning with RRO.
18.104.22.168 The sales amount of oil product which is fixed by the total counter of accounting of Broadcasting Company and MRK for certain period shall match with the sales amount displayed in reporting documents of the cash register on all payment methods for the same period. At the same time the discrepancy between summary meter readings of accounting and data of reporting documents of the cash register shall not exceed per day 0,1 of % of amount of the released fuels or oils.
22.214.171.124 The total amount of the oil products released through Broadcasting Company and MRK cannot be used for accounting of mass of oil products.
4.3 Procedure of measurements of amount and mass of oil and oil products
4.3.1 The amount and mass of oil and oil products are determined in stationary reservoirs, cistern cars, tanks of the courts, measures of complete capacity and technology pipelines graduated according to requirements of the existing regulating documents of Gospotrebstandart of Ukraine and/or by means of volume and mass counters.
4.3.2 Implementation of measurements in stationary reservoirs
126.96.36.199 Reservoirs vertical steel with stationary roofs, floating roofs and pontoons with a capacity from 100 CBM to 50000 CBM are subject to checking according to DSTU 4147-2003 (State standard specification 8.570-2000, IDT) Metrology. Reservoirs are steel vertical cylindrical. Checking technique (further - DSTU 4147), reservoirs vertical cylindrical steel concrete with combined wall with a capacity up to 30 000 CBM - according to RD 50-156-79 "Methodical instructions. Determination of capacity and graduation of steel concrete cylindrical reservoirs with combined wall with a capacity up to 30 000 CBM by geometrical method", reservoirs horizontal steel with a capacity from 5 CBM to 100 cubic msoglasno DSTU 4218:2003 (State standard specification 8.346-2000, MOD) Metrology. Reservoirs are steel horizontal cylindrical. Checking technique (further - DSTU 4218).
188.8.131.52 The intertesting interval for all types of horizontal and vertical reservoirs by results of which measurements acceptance and leave of oil and oil products are carried out constitutes 5 years, for other reservoirs - 10 years. For volume and mass counters the intertesting interval constitutes 2 years.
184.108.40.206 Checking (including graduation, calculations and execution of graduirovalny tables) vertical reservoirs is performed according to DSTU 4147, of horizontal reservoirs - DSTU 4218.
220.127.116.11 Programs for calculation of graduirovalny tables of horizontal and vertical reservoirs on electronic computers during graduation of reservoirs volume and/or geometrical by methods are subject to certification according to the procedure, the established DSTU 4218 and DSTU 4147 respectively.
Graduirovalny tables on the reservoirs which are in operation are approved by the head of territorial authority Gospotrebstandarta of Ukraine or the head of the testing laboratory authorized on implementation of checking of reservoirs.
18.104.22.168 Periodic checking of the reservoir is carried out after completion of effective period of the graduirovalny table, after capital repairs and under conditions of entering into the reservoir of constructive changes which influence reservoir capacity.
22.214.171.124 Attach the plate according to the requirements established by DSTU 4218 and DSTU 4147 to the zamerny hatch of horizontal and vertical reservoirs. The plate is replaced after each periodic checking of the reservoir.
Basic height of the reservoir shall be measured annually according to DSTU 4147, DSTU 4218 with creation of the act which is attached to the graduirovalny table. The act of measurement of basic height of the reservoir affirms the director - the owner of the reservoir and is approved with territorial authority of Gospotrebstandart of Ukraine or testing laboratory which was carrying out checking of the reservoir.
In case of change of basic height of more 0,1 of % concerning value which was established during checking of the reservoir the transactions connected with acceptance, leave and accounting of oil and oil products stop before completion of the actions provided by DSTU 4147 and DSTU 4218.
In case of change of basic height of vertical reservoirs concerning value which is established during checking of the reservoir, more 0,1 of % perform measurements of capacity of "dead" cavity and degree of inclination of the reservoir and adjustment of the graduirovalny table. Results of measurement of "dead" cavity and degree of inclination of the reservoir are drawn up by acts which are attached to the graduirovalny table.
In case of change of basic height of horizontal reservoirs over 0,1 of % perform their extraordinary checking.
Responsibility for correctness of causing value of basic height on the plate of the reservoir is conferred on the authorized person of the company and the responsible person determining the mass of oil and oil products in the reservoir.
126.96.36.199 Level of oil, oil product and commercial water or ice shall be measured by metal roulettes with the load, metrorods, stationary level gages or other gages allowed to application by Gospotrebstandart of Ukraine in reservoirs. Limits of admissible error of measurement of level of light oil products and commercial water shall not exceed +-2 mm, oil and gas condensate-+-4 mm, fuel oil - +-5 mm, other oil products - +-2 mm.
Before each measurement of level of oil and oil product in vertical and horizontal reservoirs check of basic height according to subitem 188.8.131.52 of this Instruction is performed.
After completion of acceptance of oil and oil products measurement is performed in case of the closed entrance and output latches after 30-minute upholding in horizontal reservoirs and the sentry - in vertical reservoirs.
In order to avoid disfiguration of the line of wetting on tape of roulette or on metrorod scale in case of measurement of level, the tape of roulette or metrorod need to be lowered slowly, so far the load of roulette or metrorod will not concern bottom, without allowing at the same time variation from vertical position, without touching the internal equipment and storing quiet condition of surface of oil or oil product. Counting on tape of roulette or scale of metrorod is performed with an accuracy of 1 mm right after emergence of the moistened part of tape of roulette or metrorod over the zamerny hatch. For determination of level of light oil products use of special sensitive pastes is allowed.
In case of measurement of level of oil products in horizontal cylindrical reservoirs the lower end of metrorod or load of roulette shall get on lower forming the reservoir.
Measurements of level of oil or oil product are performed twice. In case of identification of discrepancies between results of two measurements over admissible error (+-2 mm) of measurement it is necessary to repeat until difference between results of three in a row the taken measurements are not within admissible error of measurement. At the same time the arithmetic average value of results of three next dimensions is accepted to result of measurements.
184.108.40.206 Along with check of basic height of the reservoir the level of commercial water by means of water sensitive paste which are applied on surface of load of roulette or the lower end of metrorod from two counter parties with thin layer is determined. Use of paste gives opportunity to determine the level of commercial water in 1-2 minutes. Before use of water sensitive paste it is necessary to check its suitability.
Measurement of level of commercial water needs to be repeated if on paste level affects indistinctly, the slanting line or unequal height from two parties that testifies to sloping provision of tape of roulette or metrorod during measurement.
In winter time in case of low ambient temperature reservoirs can contain at the same time ice and commercial water. Thickness of ice is determined as difference between the value of basic height specified on the plate of the reservoir and the actual result of measurement of distance from the upper cut of the zamerny hatch (or the directing branch pipe) to the surface of ice.
Having determined the level of commercial water and/or ice, determine their amount by the graduirovalny table of the reservoir.
220.127.116.11 The amount of oil or oil product in the reservoir is determined by difference of total amount and amount of commercial water and/or ice.
18.104.22.168 For calculation of mass of oil and oil product determine their density in the selected tests at the actual temperature.
For sampling from stationary reservoirs use reduced devices to sampling according to GOST 13196-93 "Devices of automation of reservoir parks. Gages of level and sampling of oil and oil products. General technical requirements and test methods", and in case of their absence - manual samplers for collecting of tests according to DSTU 4488:2005 Oil and oil products. Sampling methods (further - DSTU 4488).
Temperature of oil and oil products is measured by thermometers with limits of admissible error in test +-0,5 hail. Page.
Density in the selected tests is determined by areometers with limits of admissible error +-kg/cubic meter 0,5.
22.214.171.124 Temperature and density of oil and oil product are measured along with measurement of level by means of stationary devices or by their measurement in the selected test.
For determination with proper accuracy of temperature and density of oil and oil product directly on site of selection of test workplaces with the flat horizontal platform which is not exposed to concussions, to fluctuations are equipped and is convenient for accomplishment of measurements. SIT shall be completely protected from influence of wind, atmospheric precipitation and sunshine.
For determination of density and temperature of oil and oil product they are poured in the glass or metal cylinder of the corresponding size. Before it it is necessary to check purity of the cylinder and areometer and if necessary carefully to wipe them. The areometer is dipped into liquid smoothly and vertically, holding it for the upper part and watching that it did not concern walls and bottom of the cylinder.
After the scale of the areometer accepts resistant provision, counting of values of density and temperature according to requirements of GOST 3900-85 "Oil and oil products is carried out. Methods of determination of density" (further - GOST 3900) or DSTU state standard specification 31072:2006 Oil and oil products. Method of determination of density, relative density and density in degrees of the Arab Republic of Egypt the areometer (further - DSTU state standard specification 31072).
Measurement of temperature and density by means of other SIT is performed according to instructions for their operation.
Temperature and density are measured at once after selection of each pointed test or in cumulative test which is selected by the reduced device for sampling. The thermometer and the areometer should be immersed in oil or oil product on depth specified in technical data sheet this gage and to maintain in test one-three minutes.
Temperature and density are estimated as arithmetic average value of temperatures and density of pointed samples which are taken in the ratio, accepted for creation of cumulative test according to DSTU 4488.
126.96.36.199 Pointed tests of oil and oil product from the vertical reservoir are selected from three levels (upper, average and lower) and 1:3:1 mix up in the ratio.
In this case the average temperature and density are estimated on formulas
where t - temperature of pointed test of the top level, hail. With; In
t - temperature of pointed test of the average level, hail. With;
t - temperature of pointed test of the lower level, hail. With;
where (ro) - density of pointed test of the top level, kg / kub.m; In
(ro) - density of pointed test of the average level, kg / kub.m; With
(ro) - density of pointed test of the lower level, kg/cubic meter of N
Pointed tests on height of level of oil or oil product in the reservoir select not higher than 2000 mm from the upper and lower levels. Average temperature and density of oil or oil product are estimated on formulas
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