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GB 4914-2008: Effluent limitations for pollutants from offshore petroleum exploration and production
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Effluent limitations for pollutants from offshore petroleum exploration and production
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Basic data | Standard ID | GB 4914-2008 (GB4914-2008) | | Description (Translated English) | Effluent limitations for pollutants from offshore petroleum exploration and production | | Sector / Industry | National Standard | | Classification of Chinese Standard | Z61 | | Classification of International Standard | 13.060.30 | | Word Count Estimation | 26,282 | | Date of Issue | 2008-10-19 | | Date of Implementation | 2009-05-01 | | Older Standard (superseded by this standard) | GB 4914-1985 | | Quoted Standard | GB 8978; GB/T 11914; GB/T 16782-1997; GB/T 16783.1-2006; GB 18486; GB 17378.2; GB 17378.3; GB 17378.4; GB 17378.7; GB/T 17923-1999; GB 18420.1-2001; GB/T 18420.2; SN/T 1325.1-2003; SN/T 1325.2-2003 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 17 of 2008 (No. 130 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the offshore oil exploration and development activities in the direct emission of pollutants in the sea waters of different emission concentration limits. This standard applies to our country's internal waters, territorial sea and other waters under the jurisdiction, to engage in petroleum exploration and development of any legal and natural persons and other economic entities in a job directly after use or generate the production of emissions sea water, drilling fluids, drill cuttings and other pollutants emissions management. | GB 4914-2008: Effluent limitations for pollutants from offshore petroleum exploration and production
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Effluent limitations for pollutants from offshore petroleum exploration and production
ICS 13.060.30
Z61
National Standards of People's Republic of China
Replacing GB 4914-1985
Offshore Oil Exploration
Development of pollutant emission concentration limits
Posted 2008-10-19
2009-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 emission requirements/concentration limits grade 2
5 pollutant emission concentration limits 3
Pollutants measured 6 4
Appendix A (informative) Extraction - Gravimetric substance can be extracted with n-hexane (HEM; Oil) and silica gel can be adsorbed
N-hexane extracted material (SGT-HEM; Non-polar substances) 6
Annex B (informative) water-based drilling fluids and water-based drilling fluids analysis of oil content of cuttings 18
References 21
Foreword
The standard of Chapters 4 and 5 are mandatory, the rest are recommended.
This standard replaces GB 4914-1985 "offshore petroleum development industry oily wastewater discharge standards." This standard and GB 4914-1985 phase
Than the main changes are as follows.
--- Redefined the sea level (see Chapter 4);
--- Redefined the emission concentration limits for produced water contaminants (see Chapter 5);
--- Increasing the drilling fluid and cuttings emission concentration limits specified pollutants (see Chapter 5);
--- Increased provision requirements for offshore oil exploration and development of emissions generated in sewage and solid waste/concentration limit (see
Chapter 5);
--- Increase the informative Appendix A "Extraction - Determination of the weight of the material can be extracted with n-hexane (HEM; Oil) and silica gel can be adsorbed
Substance is extracted with n-hexane (SGT-HEM; Non-polar substances) "(see Appendix A), cited in Appendix A Part EPA
USEPA1664A standard of technical content;
--- Increase the informative Appendix B "water-based and water-based drilling mud cuttings analysis of oil content" (see Appendix B).
Appendix A of this standard and Appendix B is an informative annex.
This standard was proposed by the State Oceanic Administration.
This standard by the National Standardization Technical Commission for Oceanography (SAC/TC283) centralized.
This standard was drafted. the National Marine Environmental Monitoring Center.
The main drafters of this standard. Wangju Ying, Xu Lina, Han Geng Chen, ZHANG Zhi-feng, Zhaoyun Ying, Chen Chang Shu, Han Jianbo, Li Jun.
This standard replaces the standards previously issued as follows.
--- GB 4914-1985.
Offshore Oil Exploration
Development of pollutant emission concentration limits
1 Scope
This standard specifies the direct discharge of pollutants into the sea offshore oil exploration and development activities in the emissions concentrations in different sea areas
Limit.
This standard applies to waters, territorial sea and other waters within the jurisdiction of our country, to any legal person engaged in the exploration and development of petroleum and natural and other
Direct discharge of the economic entity is used or generated in the job into the sea of produced water, drilling fluids, drill cuttings and other pollutants emissions management.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 8978 Integrated Wastewater Discharge Standard
GB/T 11914 Water quality Determination of chemical oxygen demand dichromate method
GB/T 16782-1997 oil-based drilling fluids field testing program
GB/T 16783.1-2006 oil and natural gas industries - Field testing of drilling fluids - Part 1. Water-based drilling fluids
GB 18486 wastewater ocean disposal pollution control standards
GB 17378.2 specification for marine monitoring Part 2. Data processing and quality control analysis
GB 17378.3 specification for marine monitoring Part 3. Sample collection, storage and transportation
GB 17378.4 specification for marine monitoring Part 4. Seawater Analysis
GB 17378.7 specification for marine monitoring Part 7. Ecological survey of offshore pollution and biological monitoring
GB/T 17923-1999 offshore petroleum development industry oily wastewater analysis
GB 18420.1-2001 offshore oil exploration and exploitation of biological contaminants toxicity grading
GB/T 18420.2 offshore oil exploration and exploitation of biological contaminants toxicity test method
SN/T 1325.1-2003 Determination of cold atoms and export barite content of mercury absorption spectrometry
Atomic SN/T 1325.2-2003 Importers barite cadmium absorption spectrometry
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Discharged into the sea after the offshore oil exploration and exploitation and use or generate any substance that may affect the marine environment.
Note 1. The offshore oil exploration and development activities include the development of pollutants discharged directly into the sea generated pollutants into the atmosphere and associated gas.
Note 2. rewrite GB 18420.1-2001, Definition 3.1.
3.2
Drilling mud drilingmuds
Of water or oil, clay, chemical processing agents and some of the inert material composition used to lubricate and cool the drill in petroleum exploration and development drilling
Head, carry cuttings, balance the formation pressure and stabilize the wall and so on.
Note 1. The water-based drilling fluids and drilling fluid into non-water-based drilling fluids.
Note 2. rewrite GB 18420.1-2001, definitions 3.3.
3.2.1
Formulated by the water, clay and chemical treatment agent from the water as the continuous phase of the drilling fluid.
NOTE. rewrite GB 18420.1-2001, the definition of 3.4.1.
3.2.2
Configured by crude oil, diesel oil, mineral oil or synthetic substances, and chemical treatment agent from clay, not with water as the continuous phase of drilling
Well fluid.
Note. Non-water-based drilling fluids including oil-based drilling fluids and synthetic-based drilling fluids.
3.2.2.1
In all types of oil (including crude oil, diesel and mineral oil) drilling fluid continuous phase.
NOTE. rewrite GB 18420.1-2001, the definition of 3.4.2.
3.2.2.2
Synthetic drilling fluid as the continuous phase.
3.3
The formation during drilling drill grinding, crushing after cutting by the drilling fluid from the well to the ground with rock fragments.
Note 1. The drill cuttings into a water-based drilling fluids and drill cuttings non-water-based drilling cuttings.
Note 2. rewrite GB 18420.1-2001, definitions 3.5.
3.4
By the offshore drilling platform, oil and gas production facilities, kitchen area, toilet discharged wastewater containing detergent, toilet discharge containing feces, urine
Sewage and effluent infirmary.
3.5
Solid waste, including food waste and other solid waste generated in life.
3.6
Of all plastics, oil production activities (including but not limited to synthetic ropes, synthetic fishing nets and plastic bags, etc.) and other waste
(Including residual oil, waste oil, oil residue and garbage residue, etc.).
4 emission requirements/concentration limits for classification
Emission requirements of offshore oil exploration and development of pollutant/concentration limits, according to different pollutants waters three levels.
A. for within the Bohai Sea, the North Bay, other marine protected areas and other designated countries from the nearest land 4nmile
Waters.
Class 2. In addition to the Bohai Sea, the North Bay, other marine protected areas designated country, the other from the nearest land is greater than and less than 4nmile
12nmile waters.
Three. for primary and secondary waters other than the sea.
Note. from the nearest land refers to the territorial sea baseline starting point for calculating the distance.
5 pollutant emission concentration limits
5.1 Production of water
Produced water emission concentration limits in Table 1. Produced water toxicity allowable value should be consistent with GB 18420.1-2001 relevant
Claim.
Table 1 produced water discharge concentration limits
Project level concentration limit/(mg/L)
Petro
One
Two
Three
once
Permissible value
≤30
≤45
≤65
average value
≤20
≤30
≤45
The average monthly discharge concentration according to equation (1) Operators seeking.
MC =
(1)
Where.
MC --- monthly average emission concentration in milligrams per liter (mg/L);
--- Like the total number of days of production water discharge of the month.
5.2 drilling fluids and drill cuttings
Non-water-based drilling fluids (oil-based drilling fluids and synthetic-based drilling fluids) may not be discharged into the sea. In the Bohai Sea shall emit a non-water-based drilling fluids
Crumbs, water may not be discharged drilling oil-based drilling fluids and drilling water-based drilling fluid reservoir drill cuttings. Other waters, when the recovered water-based drilling fluids, water
Time-based drilling fluids and drill cuttings non-water-based drilling cuttings is really difficult, the approval of the competent department where the sea can be discharged to the sea. Water emissions
Based drilling fluid, water-based drilling fluids and drill cuttings non-water-based drilling cuttings should meet the relevant requirements in Table 2.
Biological toxicity of drilling fluid and cuttings permissible values should comply with the relevant requirements of GB 18420.1.
Table 2 drilling fluids and drill cuttings emission concentration limits
Discharge of pollutants pollution type parameter level emission requirements/limits
Water-based drilling fluids and
Water-based drilling cuttings
Oil content
Hg (barite maximum value)
Cd (barite maximum value)
One
Two
Three
Primary, secondary and tertiary
Primary, secondary and tertiary
In addition to the Bohai Sea oil drilling may not be discharged drill cuttings and drilling oil
Drilling, other requirements for a sea oil content ≤1%
≤3%
≤8%
≤1mg/kg
≤3mg/kg
Non-water-based drilling cuttings
Oil content
Hg (barite maximum value)
Cd (barite maximum value)
One
Two
Three
Primary, secondary and tertiary
Primary, secondary and tertiary
In addition to the Bohai Sea prohibits the discharge of non-water-based drilling cuttings, its
He requested a sea of oil content ≤1%
≤3%
≤8%
≤1mg/kg
≤3mg/kg
5.3 drilling facilities cabin, engine room and deck of oily wastewater
Cabin offshore drilling facilities, room and deck oily wastewater, discharge is prohibited in the Bohai Sea, the implementation of all the seals. Other waters emission requirements
Concentration of less than 15mg/L.
5.4 onshore terminal of oily wastewater discharge
Onshore terminal to the sea of oily wastewater discharge requirements shall comply with the relevant requirements of GB 8978's.
5.5 Sewage
Fixed and mobile offshore drilling platforms and other facilities discharge sewage discharge shall meet the requirements of Table 3. Domestic Sewage
COD content should be consistent with GB 18486 of the relevant requirements.
Table 3 emission requirements Sewage/emission concentration limits
project
grade
One two three
COD ≤300mg/L ≤500mg/L
Sterilized and stool crushing treatment -
5.6 Solid Waste
Fixed and mobile offshore drilling platforms and other facilities discharge solid waste shall comply with the relevant provisions of Table 4.
Table 4 solid waste discharge requirements
project
From the nearest land
One two three
Production is forbidden to discharge or disposal of garbage into the sea
life
Rubbish
Food waste is forbidden to discharge or disposal into the sea particle diameter of less than 25mm
Other garbage is forbidden to discharge or disposal into the sea
6 Determination of pollutants
Save 6.1 sampling, samples and samples
6.1.1 collect samples
6.1.1.1 number of samples
It should be based on the method used, collecting enough samples three times the amount of duplicate tests.
6.1.1.2 sampling locations
Various types of offshore oil exploration and development of pollutants sampling locations determined according to the following requirements.
--- Produced water at the discharge of produced water sampling port;
--- Drilling through shale shaker after the separation of drilling fluid discharges or pool should be collected;
--- Cuttings, separated by vibrating screen after sampling;
--- Sewage in the sewage outfall sampling.
6.1.2 label
All sample containers should be marked on the sample name, number of sampling wells, production or users who sampling, sampling time, sampling mode, the number of samples
Amount and the like.
Laboratory samples are delivered to evacuation kind of people should fill out form to send samples, sample recipient should check the sample label and the package is complete, and the sample injection
Line numbering, signatures and documented.
6.1.3 Storage and transport
Analysis of different samples should be used with the relevant requirements, the sample pretreatment. Storage and transport of samples should also
Analytical method specified in the execution and in line with GB 17378.3 provisions on sample storage and transport.
6.2 Analysis Method
Analysis of the various elements of the present pollution standards listed in Table 5.
Table 5 Analysis of pollution features
No. factor analysis method reference standard
1 oil in produced water
(1) infrared spectrophotometry (1) GB/T 17923-1999
(2) Extraction - Gravimetric method (2) See Appendix A
Produced water, drilling fluids and drill cuttings toxicity
Permissible value
Biological toxicity test method GB/T 18420.2
3 oil content of water-based drilling fluids
(1) distillation (1) GB/T 16783.1-2006
(2) infrared spectrophotometry (2) See Appendix B
4 water-based drilling fluid oil content of drill cuttings
(1) distillation (1) GB/T 16783.1-2006
(2) infrared spectrophotometry (2) See Appendix B
5 non-water-based drilling cuttings oil content of distillation GB/T 16782-1997 Appendix B
Cabin, engine room and deck of oily wastewater
Petro
(1) infrared spectrophotometry (1) GB/T 17923-1999
(2) UV spectrophotometry (2) GB 17378.4
7 levels of mercury in barite by cold vapor atomic absorption spectrometric method SN/T 1325.1-2003
8 barite content of cadmium by atomic absorption spectrometry SN/T 1325.2-2003
9 Sewage COD potassium dichromate method GB/T 11914
10 production of garbage visually -
11 Food Waste visually -
12 other junk visually -
6.3 Data processing and quality control analysis
Processing and analysis of measurement data quality control shall GB 17378.2, GB 17378.7 and GB/T 18420.2 of the relevant provisions
carried out.
Appendix A
(Informative)
Extraction - Gravimetric substance can be extracted with n-hexane (HEM; Oil)
And silica gel adsorption material can be extracted with n-hexane (SGT-HEM; Non-polar substances)
A. 1 Scope
A. 1.1 methods for determining surface water, brine, industrial and domestic wastewater substances can be extracted with n-hexane (HEM, grease) and silica gel
After adsorbing substance can be extracted with n-hexane (SGT-HEM, non-polar material), including non-volatile hydrocarbon, vegetable oils, animal fats, waxes,
Soap, tallow and other substances related.
NOTE. After the silica gel adsorption material can be extracted with n-hexane (SGT-HEM) which may be n-hexane extractable material (HEM) the components, but can not be absorbed by the silica gel
Attached, is the non-polar material (NPM).
A. 1.2 "substance can be extracted with n-hexane" description of the provisions of this appendix applicable to the determination not only oil, but also can be applied to other
Hexane extraction of the test substance. Similarly, the "silica gel adsorption of n-hexane can be extracted material" means specified in appendix also used this party
Method can not be measured can be adsorbed on silica gel substance n-hexane (non-polar material) Consistent.
Note. material (HEM) is n-hexane extraction key from a sample of this material was measured by the method (oil), including non-volatile hydrocarbons,
Vegetable oils, animal fats, paraffin, soap, grease and other related substances.
A. 1.3 The method can not be used for the determination of volatile substance is below 85 ℃. Petroleum fuels in the solvent distillation process, from gasoline to No. 2
Fuel will be some loss.
A. 1.4 part of component content higher crude oil and heavy fuel oil is not soluble in hexane, if measured using this method, the recovery rate is low.
A. 1.5 Method for the determination of HEM and SGT-HEM content ranging from 5mg/L ~ 1000mg L samples/sample reduction if
Dosage, higher levels of samples can HEM and SGT-HEM determination.
A. 1.6 The method of HEM and SGT-HEM method detection limit (MDL) of 1.4mg/L, the limit of quantification of 5.0mg/L.
Note 1. The method detection limit (MDL) is the lowest analyte concentration of the analyte concentration is greater than 0, at 99% confidence level that can be detected.
Note 2. The lower limit of quantification (ML) is the smallest identifiable signal analysis system can give the analytes and the standard concentration values acceptable, corresponds to the lowest calibration standards
concentration.
A. 1.7 to meet the operational requirements of the method on the basis of this method allows the laboratory to make improvements. Establish detailed requirements equivalent method
A. 9.1 and A. The provisions of 9.2.3.
A. 1.8 using this method should have the analytical capacity of the laboratory, according to A. 9.2 The requirements for accuracy and precision of the obtained test
The results should meet the requirements of the process.
A. 2 Summary of Method
A. 2.1 1L sample was acidified to a pH less than 2, with n-hexane in a separatory funnel and extracted three times in a row, the extract was dried over sodium sulfate.
A. 2.2 distilling off the solvent from the extract, dehydrated and weighed to determine the content of HEM. If the determination of SGT-HEM, HEM will again
It was dissolved in n-hexane.
A. 2.3 Determination of SGT-HEM, HEM will be a certain percentage of the amount of silica gel was added to n-hexane and then dissolved after the HEM,
To remove polar substances. Filtered to remove silica gel, solvent was distilled off, dehydrated and weighed to determine the content of SGT-HEM.
A. 2.4 pairs of experimental system extraction, distillation, and gravimetric calibration and testing.
A. 3 Description
HEM and SGT-HEM are in analyte method definition, namely the definition of HEM and SGT-HEM are depending upon the
test methods. Samples of oil and/or lipid characteristics and non-oily substance can be extracted, the measurement results will have an impact.
NOTE. analyte refers to the use of this method for the determination of HEM or SGT-HEM.
A. 4 Interference
A. 4.1 solvents, reagents, glassware and other utensils used in sample processing measurement results may be affected. To be elected
Choose a suitable reagent, solvent and purified. Press A. 9.4 The method specified in the blank test.
A. 4.2 glassware washed with hot water containing detergent, and then tap water and distilled water, then washed with a solvent or drying. Sheng Crafts
Boiling flask extract at 105 ℃ ~ 115 ℃ dried in an oven, then placed in a desiccator.
A. 4.3 sulfate and silica fine particles may be through a filter paper, resulting in high measurement results of HEM and SGT-HEM. If the filter is not
Can filter out the aforementioned fine particulate matter, it is recommended 0.45μm membrane filter.
A. 4.4 samples from different sources, the interference generated by the sample extraction vary. If the sample contains a complex matrix (such as those containing particulate matter or washing
Agent), it will interfere with the extraction process, it should reduce the amount of sample.
A. 5 Security
A. 5.1 The method used in the reagent toxicity and carcinogenicity testing were not accurate, however, to be considered for each test compound on human
Body health are potentially harmful, should minimize exposure. Recommendation laboratory staff to use the analytical method should be regular medical examination.
A. 5.2 compared with n-hexane and other hexane solvent is concerned, with higher neurotoxicity. It should be real in a fume hood or well ventilated room
Inspection operations.
A. 5.3 hexane flash point of -23 ℃, the explosion limits in air from 1% to 7%, when exposed to heat or flame flammable.
Hexane can react with oxidizing substances react violently. The laboratory should be equipped with manual methods for safe disposal of n-hexane.
A. 5.4 volatile toxic compounds in the unknown sample may contain high concentrations of the sample bottle should be opened in a fume hood and wear gloves
operating.
A. 6 Equipment
A. 6.1 Sampling equipment
Sampling equipment for sampling 1L glass bottle with screw cap with PTFE liner.
NOTE. When the sample to be collected in HEM content may be greater than 500mg/L, you can use a small volume of sample bottles (see A.8.1).
According to the following requirements cleaning sampling equipment.
--- Sampling bottle, tap water was washed with detergent, after drying wrapped in foil at least 1h, alternate at 200 ℃ ~ 250 ℃, Ruoshi
Solvent cleaning, you can substitute baking step;
--- After the liner, washing detergent cap screw, washed with water and solvent cleaning, at 110 ℃ ~ 200 ℃ bake at least 1h,
spare;
--- Random sampling sampling bottles and liners, press A. 9.4 The method specified in the blank test, asking undetectable substance to be detected.
A. 6.2 Glassware washing facilities
Glassware washing facilities include.
--- Laboratory sink, ventilation unit with suspension;
--- Oven, temperature range of 70 ℃ ~ 250 ℃, ± 2 ℃.
A. 6.3 Calibration instruments
Instruments and glassware for calibration include.
--- Analytical balance, dividing the value of 0.1mg;
--- Glass flask, 100mL;
--- Various sizes of vials with screw cap with PTFE liner;
--- Glass pipette, 5mL.
A. 6.4 Samples extracted with appliances
Extracted with apparatus comprising.
--- Balance (optional), the maximum load 500g ~ 2000g, ± 1%;
--- Glass paddles;
--- Glass separating funnel, 2000mL, with Teflon piston;
--- Glass funnel, for injecting the sample into a separating funnel;
--- Centrifuge (optional), explosion-proof, while at least four 100mL glass centrifugal tube, speed is not less than 2400r/min;
--- Glass centrifuge tube (optional), 100mL.
A. 6.5 filter device (to filter water, sodium and silica fine particles)
Filter apparatus comprising.
--- Glass filter;
--- Filter paper, WhatmanNo. 40 (or equivalent filter paper), matching the size of the filter.
A. 6.6 Solvent distilling apparatus
Solvent distillation apparatus comprising.
--- Water bath or steam bath, explosion-proof, water bath or steam bath temperature not lower than 85 ℃;
--- Boiling flask, 125mL;
--- Distillation head, including the connecting pipe and a condenser;
Receiver --- distillation;
--- Fraction collection vial;
--- Ice bath or a reflux condenser;
--- Vacuum pump or other equivalent devices;
---pliers;
--- Dryers;
--- Explosion-proof enclosures.
A. 6.7 removal appliance adsorbed species
The removal of the adsorbed species required instruments include.
---Magnetic stirrer;
--- PTFE coated magnetic stirrer;
--- 500mL graduated cylinder, ± 5mL;
--- Pipette, various sizes (± 0.5%).
A. 7 Reagents and standard solutions
A. 7.1 Water
The amount should not be detected HEM, HEM or below the lower limit of quantitation of the method. Bottled or distilled water treated with activated carbon from
Runoff can be.
The volume mixing concentrated hydrochloric acid and water, or H2SO4 and water mixed in the ratio of 1 + 3.
A. 7.3 n-hexane
Purity of not less than 85%, less than unsaturated C6 isomers 99.0%, the amount of residue is less than 1mg/L.
A. 7.4 acetone
AR (ACS), the amount of residue is less than 1mg/L.
A. 7.5 sodium
AR (ACS), dry granular solid, at 200 ℃ ~ 250 ℃ at least 24h after drying, stored in a sealed container in the back.
NOTE. You should not use powdered sodium sulfate, because trace amounts of water will lead to caking.
A. 7.6 zeolite
Silicon carbide or fluoropolymer.
A. 7.7 Silicone
Anhydrous, a particle size range of 75μm ~ 150μm, at 200 ℃ ~ 250 ℃ l...
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