SY/T 0309-1996 Technical specification for produced water treatment in offshore petroleum projects
Some standard content:
Technical Specification of Produced Water Treatment for Petroleum Engineering in Beach--Shallow Sea 0309-96
Editor: Liaohe Petroleum Exploration and Design Institute Liaohe Petroleum Exploration Bureau Oil Construction No. 3 Company
Approval Department: China National Petroleum Corporation Petroleum Industry Press
General Provisions
Treatment System
Design Scale and Design Basin
Treatment Process
System Layout Principles
Pipeline System
Treatment Equipment
Receiving Tank
On-site Separation Equipment
Filter
Other Equipment
Construction and Acceptance
Equipment Installation
Pressure Test
Trial Operation
Anjiang Acceptance
Appendix A|| tt||Additional Notes
Terms used in this specification
Explanation of clauses in the Technical Specification for Produced Water Treatment of Tanhai Shirun Project
(12)
(15)
(16)
(19)
(20)
Document of China National Petroleum Corporation
(96) Youjilinzi No. 642
Notice on the approval and release of four oil and gas industry standards including "Design Specification for Gas Field Gas Gathering Project" To all relevant units:
Fourteen oil and gas industry standards (draft) including "Design Specification for Gas Field Gas Gathering Project" have been reviewed and approved by the city and are now approved as oil and gas industry standards and are released. The editors of various standards. The names are as follows: Serial No. SY / T 0010-96 SYT 001196 SY 0043 SYT 0091-96 SYT 0306--96 SYT 0308--96 Gas Mountain Gas Gathering Engineering Design Code (instead of SYJ 10 86) SYT 0306--96 Gas Mountain Gas Gathering Engineering Design Code (instead of SYJ 10 86) SYT 0308 ... 0309-96
SY /T 0310
SY1 0311-96
SY/T 0312
SYT 0313-
SYT 0314-96
SY7T 0305 -96
Technical Specifications for Vertical Steel Smoke Connections for Tanhai Oilfield Projects
Technical Specifications for Water Supply in Tanhai Oilfield Projects
Technical Specifications for Produced Water Treatment in Tanhai Oilfield Projects
Technical Specifications for Instrumentation and Automatic Control in Tanhai Oilfield Projects
Technical Specifications for Communication in Tanhai Oilfield Projects
Technical Specifications for Equipment in Weihai Oilfield Projects
Technical Specifications for Wharf Design and Construction in Tanhai Oilfield Projects
Technical Specifications for Structural Design and Construction of Tanhai Concrete Platforms
Technical Specifications for Tanhai Pipeline Systems
The above standards shall come into force on July 1997. China National Petroleum Corporation
December 3, 1996
1.01 In order to standardize the design and construction of produced water treatment projects in Tanhai oilfields, and to ensure safety, reliability, advanced technology, economical and practical, and environmental protection. This specification is specially formulated. 1.0.2 This specification is applicable to the design, construction and acceptance of new, expanded and proposed projects for produced water treatment of beach and offshore petroleum projects.
1.0.3 The produced water treatment project should be designed, constructed and put into production at the same time as the main crude oil dehydration project.
1.0.4 The design and construction of the produced water treatment project should be based on the continuous summary of production practice experience and scientific experiments, and actively adopt new technologies, new equipment and new materials at home and abroad.
1.0.5 Reference standards
GBJ13--86 Outdoor water supply design specification
SYJ6--89 Oil mountain oily pollution small treatment design specification Oil removal tank design specification
SYT 008394
SYI 0307-96
SY /T 030896
SY 7T 4086-- 95
SY7T 4088-95
SY/T 409195
SY /T 4092--95
SY 7 T 4102 --95
Technical specification for vertical cylindrical steel welded fixed-roof storage tanks in offshore oil projects
Technical specification for offshore water in offshore oil projects
Technical specification for design and construction of pipe networks for structures in offshore oil projects Technical specification for drainage of offshore oil projects Technical specification for corrosion prevention in offshore oil projects
Technical specification for thermal insulation of offshore oil projects
Inspection and installation of valveswww.bzxz.net
SY 5747 -1995
Oil construction project in offshore oil projects
1.0.6 In addition to complying with this specification, the design, construction and acceptance of produced water treatment projects shall also comply with the provisions of the relevant current national standards (specifications). 2.0.1 Produced water
Water produced with crude oil
2.0.2.0.3 Produced water treatment The process of recovering and treating produced water from oilfields to make it meet the water quality standards for injection or discharge requirements. 2.0.4 Receiving tank The equipment for removing oil and balancing the raw water entering the treatment system. 3 General Provisions
The design of water treatment project is based on the main engineering plan of Yahai Oilfield Development: the development and dehydration of raw water can be considered at one time or in stages. 3.0.2 The oil content of raw water entering the treatment system shall not exceed 10001 code 1 The treated water should be of good quality and not be used for injection: its water quality should meet the relevant provisions of "Yahai Oilfield Project Water Treatment Technical Specifications"; if it is discharged, its water should meet the relevant emission standards of "Yahai Oilfield Project Safety Regulations" and the relevant provisions of the local environmental protection department.
3.03 The treatment process and treatment equipment should be determined based on the nature of the produced water and the requirements for the quality of the treated water, and the technical experience should be compared and determined: 3.0.4 In the treatment process, make full use of the residual pressure to reduce the number of lifting times. Improve the level of automation control; when the main facilities need to be partially stopped for maintenance and cleaning, necessary facilities should be provided to ensure the delivery of the mooring. 35. Select small-scale and effective equipment for treatment equipment: no less than two main treatment equipment.
3.0.6. The selected equipment, valves, pipe fittings, instruments and various materials should be suitable for the environmental conditions of the beach and sea. If necessary, the product should have a technical quality appraisal document from the inspection department: the selected equipment and instruments should also comply with the current electrical design regulations of the explosion-hazardous places in the United States.
37. The construction of the project should comply with the requirements of the design documents: the modification of the design or the substitution of materials should be approved by the design department.
308. The materials and equipment in the project should comply with the joint design requirements and should have a certification document. The material department of the important parts should conduct material verification: the design equipment used in the project should be calibrated before installation.
3.09.1 The installation of pumps and pipelines shall comply with the provisions of the "Technical Specifications for Water Supply and Drainage of Offshore Petroleum Engineering" and the "Technical Specifications for the Design and Construction of Pipelines on Offshore Structures". 3.0.92 The storage tank engineering shall comply with the provisions of the "Technical Specifications for Vertical Circular Steel Coal Fixed Storage Tanks of Offshore Petroleum Engineering".
The anti-corrosion engineering shall comply with the provisions of the "Technical Specifications for Anti-corrosion of Offshore Petroleum Engineering". 3.0.9.3
The insulation engineering shall comply with the provisions of the "Technical Specifications for Insulation of Offshore Petroleum Engineering". The valve installation shall comply with the provisions of the "Specifications for Inspection and Installation of Valves". 4.1.1
4 Treatment System
Design Scale and Design Flow
The design scale of the produced water treatment system shall be in accordance with the formula (4.1.1) Calculate 2 = 21 + Q1
(1—)
Design scale of treatment system (md
Small amount of crude oil discharged from dehydration (m, d)Amount of other oily wastewater entering the treatment system (m/d)Output of static crude oil (td
Water content of crude oil (%)
Water content of exported oil (%)
Density of produced water (1m)
Design flow of produced water treatment systemApply to formula (4.1.2) to calculate: Qs= KQ,+Qi+Q3
Design flow rate (m/h):
Time variation coefficient: 1.0→1.15
Amount of produced water discharged from crude oil dehydration (mh); Amount of other oily wastewater entering the treatment system (m/h): (4.1.1)
Amount of recovered water from process flow (mh). It should be calculated according to the set value of the running recovery water pump flow.
4.2 Treatment process
42.1 The process of the system should adopt the process of receiving-sedimentation separation-filtration treatment. While ensuring the quality of produced water after treatment, the treatment process should be simplified as much as possible, and new process should be used first.
4.2.2 The system is equipped with waste oil Recycling, use water to collect auxiliary facilities, and have reliable sludge removal and collection before transportation to the shore for treatment. 4.2.3 Water stability should be achieved so that the treated water does not corrode metal, does not scale, does not cause danger due to microbial reproduction, etc. 42.4 Due to the deoxidation of the discharged water, the equipment and pipelines should adopt a closed treatment process assisted by chemical deoxygenation: its closed process should be carried out in accordance with the relevant provisions of the "Oil-containing Wastewater Treatment Design Code". 4.2.5 The design of the dosing part in water quality stabilization should meet the following requirements: 4.2.5.1 The chemical warehouse and dosing room should be consistent with the gas gathering and water injection and other chemical dosing systems. The reserve amount of the chemical should be determined according to the chemical supply and transportation conditions, and should be calculated according to the dosage. tt||4.2.5.2 Based on the characteristics of produced water and the quality requirements of mixed water, the type of equipment, dosing year and dosing method for small-scale quality stabilization shall be determined through tests: 4.2.5.3 The dosing location shall be determined through tests: 4.2.5.4 Sampling ports shall be set at the inlet and outlet of the equipment, corrosion and scaling hanging pieces (rods) and erosion measuring instrument probe devices, etc., to facilitate monitoring. 425.5 Other requirements for the design of the dosing part of the quality stabilization market: It shall be implemented in accordance with the relevant provisions of the "Design Specifications for Oily Water Treatment". 4.3 System layout principles
4.3.1 The layout of the water treatment system of the beam shall comply with the unified layout principle of the artificial island and platform: the treatment equipment shall be arranged in the non-fire treatment area, the fire treatment area or the crude oil storage area, 4.3 .2 The sedimentation separation and filtration equipment in the main process should be arranged in a centralized manner and should be close to the original dehydration and water injection equipment. Its auxiliary equipment should be used in conjunction with other professional equipment.
4.3 The layout of the treatment equipment should be tight and smooth, meet the requirements of operation and maintenance, and be cost-effective. The following are the key points of the installation process:
4.4 Pumps
4.4.1 Selection and preparation of pumps The following points must be met: 1.1 The selection of pumps and instruments must meet the explosion-proof and noise-proof requirements of the installation location;
4.4.1.2 The selection of pumps should take into account pump efficiency, water temperature, scaling, corrosion and other factors; the type and number of water pumps must be certain: one spare pump must be set. 4.4.1.3 The continuous operation time of sewage recovery pump and waste oil pump can be considered as 8 to 12 hours per day: a cold standby can be set in each pump. 4.4.1.4 Dosing pump: The selection of vacuum and backwash water should be determined according to the process requirements. Two dosing pumps can be set: one of which is a standby. When conditions permit, it can be selected as a standby: vacuum pump and backwash water pump can be equipped without equipment. 4.4.1.5 The waste oil pipe should be equipped with a filter device, and the outlet pipe should be designed with a back-up. 4.42 The setting of pump accessories should comply with the following provisions. 4.4.2.1 The suction pipe and outlet pipe of the pump should be equipped with a valve, and a pressure gauge (with a vacuum gauge) should be installed as needed.
The outlet of the positive displacement pump should be equipped with a safety valve:
The outlet pipe of the parallel running pump should be equipped with a check valve: 4.4.2.43
The coupling should be equipped with a protective cover.
4.4.3 When the pump is negatively pressurized, each pump shall have a separate suction pipe. 4.4.4 The arrangement and installation of the pumps shall comply with the relevant provisions of the Technical Specifications for Water Supply and Drainage of Offshore Oil Projects.
4.5 Pipeline System
4.5.1 The selection and quality of the materials of the pipelines and accessories shall comply with the relevant regulations. 4.5.1.1 The material composition of the pipelines and their accessories shall be based on the corrosion resistance of the medium, the design pressure and design temperature of the pipelines, and the environmental components used in the pipelines. It shall be safe, applicable, and economical.
4.51.2 When the produced water pipeline is made of steel pipes, the steel pipes shall be externally anti-corroded, and internally anti-corroded if necessary. The anti-corrosion measures shall comply with the relevant provisions of the Technical Specifications for Anti-Corrosion of Offshore Oil Projects.
4.5.13 The pipes shall be made of stainless steel pipes. 4.5.2 The produced water pipeline can be hydraulically calculated according to the relevant provisions of the "Outdoor Water Supply Installation Regulations". Taking into account the influence of scaling, oil pollution and other factors, the head loss can increase by 10%-20%.
4.5.3 It is strictly forbidden to connect the produced water pipeline with the domestic drinking water pipeline. When the sewage and dirty oil pipes need to be blocked, the blocking head should be left
4.5.4 When the temperature of the produced water pipeline is high: monitor the insulation layer, the surface temperature of the insulation layer should not exceed 60C; the insulation material at the valve suction pipe should be easy to disassemble and replace.
4.5.5 Pipe fittings such as tees, elbows and flanges should use standard fittings, and galvanized bolts and nuts should be used.
4.5.6 The produced water treatment system should use corrosion-resistant steel valves with corrosion-resistant inner surfaces, and use non-protected gate valves. 4.5.7 The external transmission or discharge pipelines of the produced water treatment system should be designed with measurement devices and water quality monitoring ports.
4.5.8 When the produced water pipeline is laid in parallel or crosswise with other pipelines, the net spacing between the pipelines shall comply with the provisions of the "Technical Specifications for Design and Construction of Offshore Structures". 4.5.9 The produced water pipeline shall also comply with the relevant provisions of the "Technical Specifications for Water Supply and Drainage of Beach Oil Projects".2 The sedimentation separation and filtration equipment in the main process should be arranged in a centralized manner and should be close to the original dehydration and water injection equipment. Its auxiliary equipment should be used in conjunction with other professional equipment.
4.33 The layout of the treatment equipment should be tight and smooth, meet the requirements of operation and maintenance, and be cost-effective. The following are the key points of the installation process:
4.4 Pumps
4.4.1 Selection and preparation of pumps The following points must be met: 1.1 The selection of pumps and instruments must meet the explosion-proof and noise-proof requirements of the installation location;
4.4.1.2 The selection of pumps should take into account pump efficiency, water temperature, scaling, corrosion and other factors; the type and number of water pumps must be certain: one spare pump must be set. 4.4.1.3 The continuous operation time of sewage recovery pump and waste oil pump can be considered as 8 to 12 hours per day: a cold standby can be set in each pump. 4.4.1.4 Dosing pump: The selection of vacuum and backwash water should be determined according to the process requirements. Two dosing pumps can be set: one of which is a standby. When conditions permit, it can be selected as a standby: vacuum pump and backwash water pump can be equipped without equipment. 4.4.1.5 The waste oil pipe should be equipped with a filter device, and the outlet pipe should be designed with a back-up. 4.42 The setting of pump accessories should comply with the following provisions. 4.4.2.1 The suction pipe and outlet pipe of the pump should be equipped with a valve, and a pressure gauge (with a vacuum gauge) should be installed as needed.
The outlet of the positive displacement pump should be equipped with a safety valve:
The outlet pipe of the parallel running pump should be equipped with a check valve: 4.4.2.43
The coupling should be equipped with a protective cover.
4.4.3 When the pump is negatively pressurized, each pump shall have a separate suction pipe. 4.4.4 The arrangement and installation of the pumps shall comply with the relevant provisions of the Technical Specifications for Water Supply and Drainage of Offshore Oil Projects.
4.5 Pipeline System
4.5.1 The selection and quality of the materials of the pipelines and accessories shall comply with the relevant regulations. 4.5.1.1 The material composition of the pipelines and their accessories shall be based on the corrosion resistance of the medium, the design pressure and design temperature of the pipelines, and the environmental components used in the pipelines. It shall be safe, applicable, and economical.
4.51.2 When the produced water pipeline is made of steel pipes, the steel pipes shall be externally anti-corroded, and internally anti-corroded if necessary. The anti-corrosion measures shall comply with the relevant provisions of the Technical Specifications for Anti-Corrosion of Offshore Oil Projects.
4.5.13 The pipes shall be made of stainless steel pipes. 4.5.2 The produced water pipeline can be hydraulically calculated according to the relevant provisions of the "Outdoor Water Supply Installation Regulations". Taking into account the influence of scaling, oil pollution and other factors, the head loss can increase by 10%-20%.
4.5.3 It is strictly forbidden to connect the produced water pipeline with the domestic drinking water pipeline. When the sewage and dirty oil pipes need to be blocked, the blocking head should be left
4.5.4 When the temperature of the produced water pipeline is high: monitor the insulation layer, the surface temperature of the insulation layer should not exceed 60C; the insulation material at the valve suction pipe should be easy to disassemble and replace.
4.5.5 Pipe fittings such as tees, elbows and flanges should use standard fittings, and galvanized bolts and nuts should be used.
4.5.6 The produced water treatment system should use corrosion-resistant steel valves with corrosion-resistant inner surfaces, and use non-protected gate valves. 4.5.7 The external transmission or discharge pipelines of the produced water treatment system should be designed with measurement devices and water quality monitoring ports.
4.5.8 When the produced water pipeline is laid in parallel or crosswise with other pipelines, the net spacing between the pipelines shall comply with the provisions of the "Technical Specifications for Design and Construction of Offshore Structures". 4.5.9 The produced water pipeline shall also comply with the relevant provisions of the "Technical Specifications for Water Supply and Drainage of Beach Oil Projects".2 The sedimentation separation and filtration equipment in the main process should be arranged in a centralized manner and should be close to the original dehydration and water injection equipment. Its auxiliary equipment should be used in conjunction with other professional equipment.
4.33 The layout of the treatment equipment should be tight and smooth, meet the requirements of operation and maintenance, and be cost-effective. The following are the key points of the installation process:
4.4 Pumps
4.4.1 Selection and preparation of pumps The following points must be met: 1.1 The selection of pumps and instruments must meet the explosion-proof and noise-proof requirements of the installation location;
4.4.1.2 The selection of pumps should take into account pump efficiency, water temperature, scaling, corrosion and other factors; the type and number of water pumps must be certain: one spare pump must be set. 4.4.1.3 The continuous operation time of sewage recovery pump and waste oil pump can be considered as 8 to 12 hours per day: a cold standby can be set in each pump. 4.4.1.4 Dosing pump: The selection of vacuum and backwash water should be determined according to the process requirements. Two dosing pumps can be set: one of which is a standby. When conditions permit, it can be selected as a standby: vacuum pump and backwash water pump can be equipped without equipment. 4.4.1.5 The waste oil pipe should be equipped with a filter device, and the outlet pipe should be designed with a back-up. 4.42 The setting of pump accessories should comply with the following provisions. 4.4.2.1 The suction pipe and outlet pipe of the pump should be equipped with a valve, and a pressure gauge (with a vacuum gauge) should be installed as needed.
The outlet of the positive displacement pump should be equipped with a safety valve:
The outlet pipe of the parallel running pump should be equipped with a check valve: 4.4.2.43
The coupling should be equipped with a protective cover.
4.4.3 When the pump is negatively pressurized, each pump shall have a separate suction pipe. 4.4.4 The arrangement and installation of the pumps shall comply with the relevant provisions of the Technical Specifications for Water Supply and Drainage of Offshore Oil Projects.
4.5 Pipeline System
4.5.1 The selection and quality of the materials of the pipelines and accessories shall comply with the relevant regulations. 4.5.1.1 The material composition of the pipelines and their accessories shall be based on the corrosion resistance of the medium, the design pressure and design temperature of the pipelines, and the environmental components used in the pipelines. It shall be safe, applicable, and economical.
4.51.2 When the produced water pipeline is made of steel pipes, the steel pipes shall be externally anti-corroded, and internally anti-corroded if necessary. The anti-corrosion measures shall comply with the relevant provisions of the Technical Specifications for Anti-Corrosion of Offshore Oil Projects.
4.5.13 The pipes shall be made of stainless steel pipes. 4.5.2 The produced water pipeline can be hydraulically calculated according to the relevant provisions of the "Outdoor Water Supply Installation Regulations". Taking into account the influence of scaling, oil pollution and other factors, the head loss can increase by 10%-20%.
4.5.3 It is strictly forbidden to connect the produced water pipeline with the domestic drinking water pipeline. When the sewage and dirty oil pipes need to be blocked, the blocking head should be left
4.5.4 When the temperature of the produced water pipeline is high: monitor the insulation layer, the surface temperature of the insulation layer should not exceed 60C; the insulation material at the valve suction pipe should be easy to disassemble and replace.
4.5.5 Pipe fittings such as tees, elbows and flanges should use standard fittings, and galvanized bolts and nuts should be used.
4.5.6 The produced water treatment system should use corrosion-resistant steel valves with corrosion-resistant inner surfaces, and use non-protected gate valves. 4.5.7 The external transmission or discharge pipelines of the produced water treatment system should be designed with measurement devices and water quality monitoring ports.
4.5.8 When the produced water pipeline is laid in parallel or crosswise with other pipelines, the net spacing between the pipelines shall comply with the provisions of the "Technical Specifications for Design and Construction of Offshore Structures". 4.5.9 The produced water pipeline shall also comply with the relevant provisions of the "Technical Specifications for Water Supply and Drainage of Beach Oil Projects".
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.