CN112070331A - Greenhouse gas emission amount assessment method and device in unconventional oil gas development process - Google Patents
Greenhouse gas emission amount assessment method and device in unconventional oil gas development process Download PDFInfo
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Abstract
The application discloses a greenhouse gas emission evaluation method and device in an unconventional oil gas development process, wherein the method comprises the following steps: dividing the full life cycle of the unconventional oil and gas development process into at least one engineering stage, wherein the at least one engineering stage comprises a pre-drilling engineering stage, a well cementation engineering stage, a hydraulic fracturing stage and a well completion engineering stage; respectively determining greenhouse gas emission sources in each engineering stage, and determining the greenhouse gas emission amount of each engineering stage according to the greenhouse gas emission sources; and accumulating the greenhouse gas emission in all engineering stages to obtain the greenhouse gas emission in the unconventional oil gas development process. The method and the device can systematically evaluate the discharge amount of the greenhouse gases in the whole life cycle of the unconventional oil gas development process, and provide a basis for further controlling and adjusting the discharge amount of the greenhouse gases.
Description
Technical Field
The application relates to the technical field of oil and gas exploitation, in particular to a method and a device for evaluating greenhouse gas emission in an unconventional oil and gas development process based on a full life cycle.
Background
This section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
The formal effect of Paris ' agreement defines the global ' 2 ℃ temperature rise target ' and the global climate control pattern after 2020. In contrast, China also sets a greenhouse gas emission reduction target of reducing the total carbon dioxide emission by 18% in 2015 by 2020 and domestic production of the unit. As can be seen, low carbon transformation has been a global trend and is forcing a new round of global and industrial energy revolution.
The method has the advantages that great breakthrough is made in unconventional oil and gas exploration and development in China, large-scale commercial development is realized, but a method for quantifying the emission of greenhouse gases in the development process is still lacked at present, so that how to quantitatively evaluate the emission of the greenhouse gases in the unconventional oil and gas development process is crucial to further control the emission of the greenhouse gases.
Therefore, in order to solve the problem of greenhouse gas emission in the conventional unconventional oil and gas development process, a set of reasonable and feasible evaluation method for greenhouse gas emission in the full life cycle in the unconventional oil and gas development process needs to be researched, so that the greenhouse gas emission is further controlled and adjusted.
Disclosure of Invention
The embodiment of the application provides a greenhouse gas emission evaluation method in an unconventional oil gas development process, which is used for systematically evaluating the greenhouse gas emission in the whole life cycle of the unconventional oil gas development process and providing a basis for further controlling and adjusting the greenhouse gas emission, and comprises the following steps:
dividing the full life cycle of the unconventional oil and gas development process into at least one engineering stage, wherein the at least one engineering stage comprises a pre-drilling engineering stage, a well cementation engineering stage, a hydraulic fracturing stage and a well completion engineering stage; respectively determining greenhouse gas emission sources in each engineering stage, and determining the greenhouse gas emission amount of each engineering stage according to the greenhouse gas emission sources, wherein the greenhouse gas emission sources in the pre-drilling engineering stage, the well cementation engineering stage and the hydraulic fracturing stage comprise greenhouse gas emitted when power equipment is used; the greenhouse gas emission source of the well completion engineering stage comprises greenhouse gas discharged by a blowout test during well completion; and accumulating the greenhouse gas emission in all engineering stages to obtain the greenhouse gas emission in the unconventional oil gas development process.
The embodiment of this application still provides a greenhouse gas emission evaluation device in unconventional oil gas development process for the system assesss the emission of greenhouse gas in the unconventional oil gas development process full life cycle, provides the basis for further control, adjustment greenhouse gas's emission, and the device includes:
the system comprises a dividing module, a data processing module and a data processing module, wherein the dividing module is used for dividing the whole life cycle of the unconventional oil and gas development process into at least one engineering stage, and the at least one engineering stage comprises a pre-drilling engineering stage, a well cementation engineering stage, a hydraulic fracturing stage and a well completion engineering stage; the determining module is used for respectively determining greenhouse gas emission sources in each engineering stage divided by the dividing module and determining the greenhouse gas emission amount of each engineering stage according to the greenhouse gas emission sources, wherein the greenhouse gas emission sources in the pre-drilling engineering stage, the well cementation engineering stage and the hydraulic fracturing stage comprise greenhouse gas emitted when power equipment is used; the greenhouse gas emission source of the well completion engineering stage comprises greenhouse gas discharged by a blowout test during well completion; and the accumulation module is used for accumulating the greenhouse gas emission amount determined by the determination module in all engineering stages to obtain the greenhouse gas emission amount in the unconventional oil gas development process.
In the embodiment of the application, the whole life cycle of the unconventional oil and gas development process is divided into different engineering stages, the greenhouse gas emission amount in each production stage is respectively counted, and then the total greenhouse gas emission amount in the unconventional oil and gas development process is determined through accumulation, so that a basis is provided for further controlling and adjusting the greenhouse gas emission amount.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
FIG. 1 is a flow chart of a method for estimating greenhouse gas emission in an unconventional oil and gas development process according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an evaluation device for greenhouse gas emission in an unconventional oil and gas development process in the embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the embodiments of the present application are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present application are provided herein to explain the present application and not to limit the present application.
The embodiment of the application discloses a greenhouse gas emission amount evaluation method in an unconventional oil and gas development process, and as shown in figure 1, the method comprises the following steps of 101 to 103:
Among them, unconventional oil and gas include shale gas and coal bed gas.
The at least one engineering stage of the full life cycle partitioning of the unconventional hydrocarbon development process may include a pre-drilling engineering stage, a cementing engineering stage, a hydraulic fracturing stage, and a completion engineering stage. The 5 engineering stages cover the whole process of unconventional oil and gas development, the greenhouse gas emission amount of each stage is calculated and then accumulated, and the total greenhouse gas emission amount of a single well in the whole life cycle in the unconventional oil and gas development process can be obtained.
It should be noted that the above 5 engineering stages are a more commonly used engineering stage division method, and in actual production, the above 5 engineering stages may be further subdivided. The type and number of the divided engineering stages are not limited herein.
And 102, respectively determining greenhouse gas emission sources in each engineering stage, and determining the greenhouse gas emission amount of each engineering stage according to the greenhouse gas emission sources.
Wherein, the greenhouse gas emission source of the pre-drilling engineering stage, the well cementation engineering stage and the hydraulic fracturing stage comprises greenhouse gas emitted when power equipment is used; the greenhouse gas emission source in the well completion engineering stage comprises greenhouse gas discharged by blowout tests during well completion.
The power plant used for each stage will be exemplified below.
The construction of the pre-drilling engineering stage needs to use power equipment, such as a bulldozer, an excavator, a loader, a cement truck and the like, to transport a large amount of building materials, such as stone, soil, cement, gravel, broken stones, concrete, mould materials and the like, and the greenhouse gas emission of the stage is mainly caused by the greenhouse gas emission.
In the drilling engineering stage, power equipment such as a diesel generator, a winch, a filling pump, a generator set and the like is required, a drilling fluid configuration and treatment system, a waste treatment device and the like are also required, and the equipment consumes energy and discharges greenhouse gases during operation. In addition, greenhouse gases are also emitted when materials are transported using these power plants.
In the well cementation engineering stage, transportation materials such as cement trucks, ash tank trucks and the like are mainly used, well pipes are arranged, cement slurry is placed and the like, and greenhouse gas is discharged by consuming energy in the process.
The hydraulic fracturing stage mainly uses a main press truck, a sand mixer truck, an instrument truck and the like to carry out hydraulic fracturing and/or material transportation, and greenhouse gas emission is caused when the power equipment is used.
When the blowout test is carried out on the oil and gas well in the well completion engineering stage, the oil and gas well mainly discharges methane which is greenhouse gas.
In the embodiment of the present application, when the greenhouse gas emission source is greenhouse gas emitted when the power plant is in use, determining the greenhouse gas emission amount for each engineering stage includes: counting the type of power equipment required to be used in each engineering stage, the use time of each power equipment and the energy consumption in unit time; determining greenhouse gas emission of each power device according to the use time of each power device and the energy consumption amount in unit time; and accumulating the greenhouse gas emission of all the used power equipment in the engineering stage, and determining the greenhouse gas emission of each engineering stage.
Specifically, the greenhouse gas emission amount of each power plant is determined according to the usage time of each power plant and the energy consumption amount per unit time, and comprises the following steps: according to formula Gi＝Ei×Ti×FiCalculating the greenhouse gas emission G of each power devicei(ii) a Wherein i is used to indicate the kind of power plant; eiThe energy consumption amount of the ith power equipment in unit time is expressed; t isiUsed for representing the service time of the ith power equipment; fiGreenhouse gas emission factor used to represent the energy used by the ith power plant.
In addition, FiThe value of (A) can be determined by reference to national standards, such as "methods for accounting greenhouse gas emissions and reporting guidelines (trial) issued by the national institute of improvement and development of the State of the design of the United states of China".
In addition, considering that it is not easy to actually measure the actual energy consumption of the power equipment, in the embodiment of the present application, the type of the power equipment used in each engineering stage and the service time T of each power equipment may be countediAnd rated power Pi(ii) a According to formula Gi＝Pi×Ti×FiCalculating the greenhouse gas emission G of each power devicei(ii) a And accumulating the greenhouse gas emission of all the used power equipment in the engineering stage, and determining the greenhouse gas emission of each engineering stage.
When the greenhouse gas emission source is greenhouse gas exhausted by blowout tests when the well is completed, determining the greenhouse gas emission amount in the well completion stage, wherein the greenhouse gas emission source comprises the following steps: obtaining the gas flow velocity V when the greenhouse gas is dischargedwAnd the emptying time Tw(ii) a According to the formula
Calculating greenhouse gas emission GwWherein, in the step (A),
is the methane density.
It should be noted that more than 90% of the gas discharged from the completion process of oil and gas wells is methane (CH)4) Therefore, in the present embodiment, the density of methane is used to calculate the amount of greenhouse gas emitted.
And 103, accumulating the greenhouse gas emission in all engineering stages to obtain the greenhouse gas emission in the unconventional oil gas development process.
In particular, using formulae
To calculate the greenhouse gas emission in the unconventional oil and gas development process. Wherein G isTIs the total greenhouse gas emission; gzThe total amount of the engineering greenhouse gas emission before drilling; gjIs the total amount of greenhouse gas emission in drilling engineering; ggIs the total amount of the greenhouse gas emission in the well cementation engineering; gsIs the total amount of greenhouse gas discharged by hydraulic fracturing; gwIs the total amount of greenhouse gas emission in the well completion stage.
In the embodiment of the application, the whole life cycle of the unconventional oil and gas development process is divided into different engineering stages, the greenhouse gas emission amount in each production stage is respectively counted, and then the total greenhouse gas emission amount in the unconventional oil and gas development process is determined through accumulation, so that a basis is provided for further controlling and adjusting the greenhouse gas emission amount.
The method for estimating the greenhouse gas emission in the unconventional oil and gas development process provided by the embodiment of the application is described in a specific engineering example.
1. Overview of the engineering
The coal bed gas well to be evaluated belongs to a low-coal-rank coal reservoir, is shallow compared with shale gas, and is divided into a plurality of stages of well drilling, well cementing, well completion, coal bed fracturing, dewatering and depressurization and the like in the coal bed gas exploitation process.
2. Calculation of greenhouse gas emission amount in full life cycle of coal-bed gas well development stage
(1) Greenhouse gas emission amount of pre-drilling engineering
The statistical specific data are shown in the following table one:
watch 1
(2) Drilling engineering greenhouse gas emission
The statistical specific data are shown in the following table two:
watch two
(3) Well cementation engineering greenhouse gas emission
The statistical data are shown in the following table three:
watch III
(4) Hydraulic fracturing greenhouse gas discharge
The statistical data are shown in the following table four:
watch four
(5) Completion engineering greenhouse gas emission
And performing fracturing treatment after the completion of the coal bed gas well, wherein in the initial construction stage, the produced water of the stratum is large in water yield, drainage and pressure reduction are needed, the produced water is produced after gas production, a venting stage is not provided, and the discharge amount of greenhouse gas brought by the produced water in the stage is ignored.
(6) Total amount of greenhouse gas emission
The formula is used after the greenhouse gas emission amount of the pre-drilling engineering, the well cementation engineering, the hydraulic fracturing and the completion engineering is obtained,
therefore, the greenhouse gas emission amount evaluation method in the unconventional oil and gas development process can systematically evaluate the greenhouse gas emission amount in the whole life cycle of the unconventional oil and gas development process.
In addition, by utilizing the greenhouse gas emission amount evaluation method in the unconventional oil gas development process, software for measuring the greenhouse gas emission amount in the whole life cycle in the unconventional oil gas development process can be developed. Specifically, the software can be developed by applying Java language programming, unconventional oil gas is divided into shale gas and coal bed gas according to a greenhouse gas emission calculation principle of a full life cycle, a greenhouse gas emission calculation method of a development process including pre-drilling engineering, well cementation engineering, hydraulic fracturing and well completion engineering is integrated on the same software platform, the software is divided into 5 calculation modules corresponding to 5 engineering stages, the greenhouse gas emission of each stage can be calculated by inputting data required by the software such as required oil consumption, power consumption and the like, the greenhouse gas emission of each stage is calculated and used for summarizing the greenhouse gas emission, and therefore quantification of the greenhouse gas emission in the unconventional oil gas development process can be achieved by a simple method.
The embodiment of the application also provides a greenhouse gas emission amount evaluation device in the unconventional oil and gas development process, and as shown in fig. 2, the device comprises a dividing module 201, a determining module 202 and an accumulating module 203.
The dividing module 201 is used for dividing the whole life cycle of the unconventional oil and gas development process into at least one engineering stage. The at least one engineering stage includes a pre-drilling engineering stage, a cementing engineering stage, a hydraulic fracturing stage, and a completion engineering stage.
A determining module 202, configured to determine a greenhouse gas emission source in each engineering stage divided by the dividing module 201, and determine a greenhouse gas emission amount in each engineering stage according to the greenhouse gas emission source. Wherein, the greenhouse gas emission source of the pre-drilling engineering stage, the well cementation engineering stage and the hydraulic fracturing stage comprises greenhouse gas emitted when power equipment is used; the greenhouse gas emission source in the well completion engineering stage comprises greenhouse gas discharged by blowout tests during well completion.
And the accumulation module 203 is used for accumulating the greenhouse gas emission amount determined by the determination module in all engineering stages to obtain the greenhouse gas emission amount in the unconventional oil gas development process.
In an implementation manner of the embodiment of the present application, the determining module 202 is configured to:
counting the type of power equipment required to be used in each engineering stage, the use time of each power equipment and the energy consumption in unit time;
determining greenhouse gas emission of each power device according to the use time of each power device and the energy consumption amount in unit time;
and accumulating the greenhouse gas emission of all the used power equipment in the engineering stage, and determining the greenhouse gas emission of each engineering stage.
In an implementation manner of the embodiment of the present application, the determining module 202 is configured to:
according to formula Gi＝Ei×Ti×FiCalculating the greenhouse gas emission G of each power devicei；
Wherein i is used to indicate the kind of power plant; eiThe energy consumption amount of the ith power equipment in unit time is expressed; t isiUsed for representing the service time of the ith power equipment; fiGreenhouse gas emission factor used to represent the energy used by the ith power plant.
In an implementation manner of the embodiment of the present application, the determining module 202 is configured to:
counting the types of the power equipment used in each engineering stage and the service time T of each power equipmentiAnd rated power Pi；
According to formula Gi＝Pi×Ti×FiCalculating the greenhouse gas emission G of each power devicei；
And accumulating the greenhouse gas emission of all the used power equipment in the engineering stage, and determining the greenhouse gas emission of each engineering stage.
In an implementation manner of the embodiment of the present application, the determining module 202 is configured to:
obtaining the gas flow velocity V when the greenhouse gas is dischargedwAnd the emptying time Tw；
According to the formula
Calculating greenhouse gas emission GwWherein, in the step (A),
is the methane density.
In the embodiment of the application, the whole life cycle of the unconventional oil and gas development process is divided into different engineering stages, the greenhouse gas emission amount in each production stage is respectively counted, and then the total greenhouse gas emission amount in the unconventional oil and gas development process is determined through accumulation, so that a basis is provided for further controlling and adjusting the greenhouse gas emission amount.
The embodiment of the present application further provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the method for estimating greenhouse gas emission in an unconventional oil and gas development process as described in step 101 to step 103 is implemented.
The embodiment of the present application further provides a computer-readable storage medium storing a computer program for executing the method for estimating greenhouse gas emission in an unconventional oil and gas development process, as described in step 101 to step 103.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are further described in detail for the purpose of illustrating the invention, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (11)
1. A method for estimating greenhouse gas emissions in an unconventional oil and gas development process, the method comprising:
dividing the full life cycle of the unconventional oil and gas development process into at least one engineering stage, wherein the at least one engineering stage comprises a pre-drilling engineering stage, a well cementation engineering stage, a hydraulic fracturing stage and a well completion engineering stage;
respectively determining greenhouse gas emission sources in each engineering stage, and determining the greenhouse gas emission amount of each engineering stage according to the greenhouse gas emission sources, wherein the greenhouse gas emission sources in the pre-drilling engineering stage, the well cementation engineering stage and the hydraulic fracturing stage comprise greenhouse gas emitted when power equipment is used; the greenhouse gas emission source of the well completion engineering stage comprises greenhouse gas discharged by a blowout test during well completion;
and accumulating the greenhouse gas emission in all engineering stages to obtain the greenhouse gas emission in the unconventional oil gas development process.
2. The method of claim 1, wherein determining the amount of greenhouse gas emissions for each engineering stage when the greenhouse gas emissions source is greenhouse gas emitted during power plant use comprises:
counting the type of power equipment required to be used in each engineering stage, the use time of each power equipment and the energy consumption in unit time;
determining greenhouse gas emission of each power device according to the use time of each power device and the energy consumption amount in unit time;
and accumulating the greenhouse gas emission of all the used power equipment in the engineering stage, and determining the greenhouse gas emission of each engineering stage.
3. The method according to claim 2, wherein determining the greenhouse gas emission amount of each power plant according to the usage time of each power plant and the energy consumption amount per unit time comprises:
according to formula Gi＝Ei×Ti×FiCalculating the greenhouse gas emission G of each power devicei；
Wherein i is used to indicate the kind of power plant; eiThe energy consumption amount of the ith power equipment in unit time is expressed; t isiUsed for representing the service time of the ith power equipment; fiGreenhouse gas emission factor used to represent the energy used by the ith power plant.
4. The method of claim 1, wherein determining the amount of greenhouse gas emissions for each engineering stage when the greenhouse gas emissions source is greenhouse gas emitted during power plant use comprises:
statistics of power used in each engineering stageKind of equipment, and service time T of each power equipmentiAnd rated power Pi；
According to formula Gi＝Pi×Ti×FiCalculating the greenhouse gas emission G of each power devicei；
And accumulating the greenhouse gas emission of all the used power equipment in the engineering stage, and determining the greenhouse gas emission of each engineering stage.
5. The method of claim 1, wherein determining the amount of greenhouse gas emissions during the completion phase when the source of greenhouse gas emissions is greenhouse gas emitted by a blowout test during completion comprises:
obtaining the gas flow velocity V when the greenhouse gas is dischargedwAnd the emptying time Tw；
According to the formula
Calculating greenhouse gas emission GwWherein, in the step (A),
is the methane density.
6. An apparatus for estimating greenhouse gas emissions in an unconventional oil and gas development process, the apparatus comprising:
the system comprises a dividing module, a data processing module and a data processing module, wherein the dividing module is used for dividing the whole life cycle of the unconventional oil and gas development process into at least one engineering stage, and the at least one engineering stage comprises a pre-drilling engineering stage, a well cementation engineering stage, a hydraulic fracturing stage and a well completion engineering stage;
the determining module is used for respectively determining greenhouse gas emission sources in each engineering stage divided by the dividing module and determining the greenhouse gas emission amount of each engineering stage according to the greenhouse gas emission sources, wherein the greenhouse gas emission sources in the pre-drilling engineering stage, the well cementation engineering stage and the hydraulic fracturing stage comprise greenhouse gas emitted when power equipment is used; the greenhouse gas emission source of the well completion engineering stage comprises greenhouse gas discharged by a blowout test during well completion;
and the accumulation module is used for accumulating the greenhouse gas emission amount determined by the determination module in all engineering stages to obtain the greenhouse gas emission amount in the unconventional oil gas development process.
7. The apparatus of claim 6, wherein the determining module is configured to:
counting the type of power equipment required to be used in each engineering stage, the use time of each power equipment and the energy consumption in unit time;
determining greenhouse gas emission of each power device according to the use time of each power device and the energy consumption amount in unit time;
and accumulating the greenhouse gas emission of all the used power equipment in the engineering stage, and determining the greenhouse gas emission of each engineering stage.
8. The apparatus of claim 6, wherein the determining module is configured to:
counting the types of the power equipment used in each engineering stage and the service time T of each power equipmentiAnd rated power Pi；
According to formula Gi＝Pi×Ti×FiCalculating the greenhouse gas emission G of each power devicei；
And accumulating the greenhouse gas emission of all the used power equipment in the engineering stage, and determining the greenhouse gas emission of each engineering stage.
9. The apparatus of claim 6, wherein the determining module is configured to:
obtaining the gas flow velocity V when the greenhouse gas is dischargedwAnd the emptying time Tw；
According to the formula
Calculating greenhouse gas emission GwWherein, in the step (A),
is the methane density.
10. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any one of claims 1 to 5 when executing the computer program.
11. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for executing the method of any one of claims 1 to 5.
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| CN104820789A (en) * | 2015-05-18 | 2015-08-05 | 中华人民共和国金华出入境检验检疫局 | Calculation method for greenhouse gas emission quantity |
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| CN106597846A (en) * | 2016-10-24 | 2017-04-26 | 扬州大学 | Measurement method of greenhouse gas emission reduction of warm mix asphalt mixture |
| CN107451387A (en) * | 2016-05-30 | 2017-12-08 | 中国石油化工股份有限公司 | A kind of metering method of petroleum chemicals carbon footprint |
| CN108074012A (en) * | 2017-11-13 | 2018-05-25 | 中国石油天然气集团公司 | The reduction of greenhouse gas discharge method for determination of amount of emission-reduction technology in petroleum and petrochemical industry |
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| CN104820789A (en) * | 2015-05-18 | 2015-08-05 | 中华人民共和国金华出入境检验检疫局 | Calculation method for greenhouse gas emission quantity |
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| CN107451387A (en) * | 2016-05-30 | 2017-12-08 | 中国石油化工股份有限公司 | A kind of metering method of petroleum chemicals carbon footprint |
| CN106597846A (en) * | 2016-10-24 | 2017-04-26 | 扬州大学 | Measurement method of greenhouse gas emission reduction of warm mix asphalt mixture |
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