SY/T 4085-1995 Technical specification for oil and gas gathering and transportation in offshore oil fields
Some standard content:
Petroleum and Natural Gas Industry Standard of the People's Republic of China Technical specification of oil-gas gathering and transportation for oil field in beach-shallow seaSY/ T 4085-95
Editor: Shengli Petroleum Administration Bureau Survey and Design Institute Shengli Petroleum Administration Bureau Oil Construction No. 1 Company
Approving department: China National Petroleum Corporation Petroleum Industry Press
1995 Beijing
General provisions
Overall design of platform (artificial island) process and public works 4.1
Location selection
Plane and vertical layout
Piping design
Crane
Helicopter deck
Crude oil and natural gas gathering.
Crude oil and oilfield gas metering
Oil and gas separation
Crude oil dehydration
Crude oil heater
Crude oil storage tank
Oil transfer arm
Natural gas discharge and flare
Inspection of materials and pipe fittings
Container and equipment installation
7.1—General provisions
? .2 Installation of containers and equipment
Construction, management, storage and transportation
Manufacture of pipe fittings, installation and welding of pipelines
(10）
(13）
(13）
(18）
(18）
(21）)
Pressure test, anti-corrosion and thermal insulation
Anti-corrosion and thermal insulation
Trial operation
Project acceptance
Appendix A
Appendix B
Appendix C
Two-phase flow pressure drop calculation formula
Natural gas flare calculation formula
Explanation of terms used in this specification
Additional explanation
(24)
(33)
Document of China National Petroleum Corporation
(95) CNPC Technical Supervision No. 731
Notice on the approval and release of 276 petroleum and natural gas industry standards including "Standard for Investigation Methods of Corrosion and Protection of Steel Pipelines and Storage Tanks"
To all relevant units
Twenty-six petroleum and natural gas industry standards (drafts), including "Standard for Investigation Methods of Corrosion and Protection of Steel Pipelines and Storage Tanks", have been reviewed and approved and are now approved as petroleum and natural gas industry standards for release. The numbers and names of the standards are as follows: 1
SY7 T 0087--95
SY / T 0545--1995
SYT 4013--95
SY T 4041-95
SY 7 T 4084-95
SY7 T 4085-95
Standard for investigation method of corrosion and protection of steel pipelines and storage tanks
Determination of thermal characteristic parameters of wax precipitation in crude oil
Scanning calorimetry
Ethylene anticorrosion technology for buried steel pipelines
Standard (replaces SYJ4013-87)
Installation and acceptance specification for special wet steam generators for oil-rich oilfields (replaces SYJ4041-89)
Technical specification for environmental conditions and loads in coastal areas
Technical specification for oil and gas gathering and transportation in coastal oilfields
SY\ 4086-95
SY T 4087--5
SY2r 4088--95
SY/T 4089-95
SY/T 4090-95
SYT 4091
SYT 4092-95
SYT 409395
SY /T 4094-95
SYT 4095-
SY /T 409695
SY T 4097-95
SYT 4098 - 95 | 0088
Technical specification for design and construction of pipeline network on beach and sea structures
Technical specification for ventilation and air conditioning of beach and sea oil projects Technical specification for water supply and drainage of beach and sea oil projects Electrical specification of beach and sea Shishan projects
Technical specification for power generation facilities of beach and sea oil projects Technical specification for corrosion protection of Yahai oil projects
Technical specification for thermal insulation of beach and sea oil projects
Technical specification for selection and installation of cranes on beach and sea oil facilities
Technical specification for design and construction of shallow-water steel fixed parallel structures
Technical specification for design and construction of shallow-water steel mobile platform structures
Parallel protection device for beach and sea oil fields Technical specifications Technical specifications for the design and construction of inclined glass-type sand and gravel artificial islands in the beach
Technical specifications for the structural design and construction of ring-walled steel-formed concrete artificial islands in the beach
Technical specifications for the design and construction of sea pools
Technical specifications for beach engineering survey
Technical specifications for the inspection and installation of valves
Connection and acceptance of steel pipelines
Quality inspection and assessment standards for petroleum construction projects Pipeline crossing and spanning projects
Technical standards for cathodic protection of the outer wall of the bottom of steel tanks
The above standards shall come into force on June 1, 1996. China National Petroleum Corporation
December 18, 1995
I.0.1 In order to standardize the design and construction of oil and gas gathering and transportation projects in Tanhai oilfields and to ensure safety, reliability, advanced technology, economical applicability and environmental protection, this specification is specially formulated. 1.0.2 This specification is applicable to the design, construction and acceptance of the newly built parts of the new construction, expansion and reconstruction projects of Tanhai oilfield oil and gas gathering and transportation. 1.0.3 Reference standards
GB9052.1-88 Liquefied petroleum gas in oil and gas fields
GB 905388
Steady and gentle
TJ231 (V)-78 Specification for construction and acceptance of mechanical equipment installation engineeringSYL 04-83
Measuring method of standard plate for oxygen in natural gas flow
SYT 4086-95
SY/ T 408995
SY / T 4091-95
SYT 4092-95
SY/T 4093--95
SY / T 409495
SY 57471995
SY 751388www.bzxz.net
SY 7514-88
Technical specification for design and construction of pipeline network on beach and offshore structures Technical specification for electrical engineering of beach and offshore petroleum engineering
Technical specification for corrosion protection of beach and offshore petroleum engineering
Technical specification for thermal insulation of beach and offshore petroleum engineering
Technical specification for selection and installation of cranes on beach and offshore petroleum facilities
Technical specification for structural design and construction of shallow-water steel fixed platforms
Safety regulations for petroleum engineering of Weiwei
Technical conditions for crude oil production
Natural gas
1.0.4 In addition to complying with this specification, the design, construction and acceptance of oil and gas gathering and transportation projects in beach and offshore oil fields shall also comply with the provisions of relevant current national standards and specifications. 2 Terms
2.0. Wellhead metering platform An offshore platform equipped with parallel ports, manifolds and oil and gas metering facilities. 2.0.2 Oil-gas gathering and transportation platform Oil-gas gathering and transportation platform A platform for collecting and transporting oil and gas from a parallel metering platform. 2.0.3 Central platform (artificial island) A comprehensive platform for centralized treatment and transportation of oil, gas and water. 2..4 Half-offshore and half-onshore production system Half-offshore production system A production system in which facilities for oil and gas collection, treatment, storage and transportation are located offshore and onshore.
2.o.5 Dangerous zone Dangerous zone When a region is flammable or ignitable, the accumulation or reaching of a certain amount of combustible materials can cause danger, this region is defined as a dangerous zone. 2.0.6 Nondangerous zone A region that does not fall under the dangerous zone in Article 2.0.5 2.0.7 Wellhead area
The area around the wellhead.
2.o. Mechanical area
The area where various rotating or reciprocating mechanical equipment such as internal combustion engines, gas turbines, generators, pumps and compressors are installed
2.o.9 Nonlireircating area The area where non-flame process equipment is placed
2.0.1 Fire trcating area The area where flame process equipment is placed. 3 General provisions
3.0.1 The oil and gas gathering and transportation process of the beach oilfield should be designed according to the development of the Weiyou oilfield, the physical properties of oil, gas and water: product variety, product quality and external transportation conditions, combined with the natural environmental conditions of the beach, the distance of the oil from the shore and other specific conditions, use reliable advanced process technology, rationally utilize the energy of oil and gas, and comprehensively consider the oil and gas collection, processing, storage and transportation process. The entire process of oil and gas gathering and transportation should be closed, and crude oil should be handled stably. 3.0.2 The back pressure of oil wells should be selected according to the following regulations: 3.0.2.1 Mechanical oil production wells should not exceed 1.5MPa (gauge pressure). Among them, the electric submersible pump well can be 2.0~2.5MPa (gauge pressure;
3.0.2.2 The self-flowing well is 0.4~0.5 times the oil pipe pressure during the production period, and should not be lower than 0.4MPa (gauge pressure)
3.0.3 The design of the oil and gas gathering and transportation system is based on land. Youguang adopts a semi-sea and semi-land production system.
3.0.4 The design capacity of the oil and gas gathering and transportation system of the beach oil field shall comply with the following provisions 3.0.4.1, parallel metering platform. The single well equipment and oil pipeline on the platform shall be determined according to the single maximum white production provided by the oil field development design; 3.0.4.2 The design capacity of the oil and gas gathering and transportation platform shall be determined according to the maximum daily production of the platform: 3.0.4.3 The design capacity of the central platform (artificial island) shall be determined according to 12 times the maximum output of the development zone under its jurisdiction. 3.0.5 The technical conditions of oil and gas products shall comply with the following provisions: 3.0.5.1 For those who have signed a contract for the delivery of oil and gas products, the technical conditions stipulated in the contract shall be implemented; 3.0.5.2 For those who have not signed a contract for the delivery of oil and gas products, the following technical conditions shall be implemented: (1) The technical conditions of crude oil shall comply with the relevant provisions of the "Technical Conditions for Mining Crude Oil": (2) The technical conditions of natural gas shall comply with the relevant provisions of "Natural Gas": 3) The product standards of liquefied petroleum gas shall comply with the relevant provisions of "Liquefied Oil and Gas in Oil and Gas Fields"; (4) The technical conditions of stable light hydrocarbon products shall comply with the relevant provisions of "Stable Light Hydrocarbons". 3.06 When the liquid being transported is a frequency-type fluid, the friction of the oil and gas mixed pipeline can be calculated according to the two-phase flow pressure drop calculation formula listed in Appendix A, or other methods proven feasible in production practice can be used.
4 Overall design of platform (artificial island) technology and public works
4.1 Location selection
4.1.1 The location of the platform (artificial island) shall be determined not only according to the overall development design, but also according to the marine environmental conditions, foundation conditions, construction conditions, material supply and oil and gas gathering and transportation methods of the platform. 4.1.2 The orientation of the platform shall be determined according to factors such as wind direction, flow direction, drift ice direction and safety.
4.2 Plane and orientation layout
Original layout of the plane
4.2.1.1 The overall layout of the platform should be separated by production and processing parts, life and power parts and crude oil storage parts. When the above three parts are arranged on the same structure, necessary isolation measures shall be taken between the dangerous and non-dangerous areas. 4.2.1.2
It should be able to meet the requirements of safety, fire prevention and fire protection. The circulation of the production equipment should be reasonable within the area, and the layout between areas should be compact and reasonable. It should meet the requirements of production maintenance and accident handling. It should meet the requirements of personnel escape and rescue. The layout of process equipment should take into account the requirements of reasonable structural design and economy. 4.2.2
Equipment partition
The layout of equipment partition shall comply with the provisions of Table 4.2.2. 4.2.2.2 The layout of living area shall comply with the following requirements 1 [1 The living area should be arranged in a centralized manner and should be far away from the work station. (2) The living area should be isolated from the fuel source to the greatest extent possible: (3) The living area located on the production platform should be equipped with a firewall: or other measures should be taken 5
Isolated from the dangerous area: When the firewall is part of the overall building of the living area, no doors or windows shall be set on the wall:
(4) The living area can be arranged in the same area as the power generation equipment, but noise and pollution should be controlled;
(5) In order to make the escape route as short as possible, the living area should be close to the lifeboat or helicopter pad.
Equipment partition table
Location requirements
Reduce the ignition source and
fuel source to
Reduce the ignition source
to the minimum
Reduce the rock fire source
to the minimum
Main equipment placed in the area
(F) Wellhead
(E) Choke manifold
(F) Header
) Separator (various working pressures
(F) Sewage equipment (pressurized or
normal pressure)
(above) Natural gas sales station
(F) Pipe cleaning ball sending and receiving device
(F) Indirect heater
Water treatment equipment
() Small crude oil tank
(1 The overall layout of the platform should be separated by production and processing, life and power, and crude oil storage. When the above three parts are arranged on the same structure, necessary isolation measures should be taken between the dangerous and non-dangerous areas. 4.2.1.2
It should be able to meet the requirements of safety, fire prevention, and fire fighting. The circulation of the production equipment should be reasonable within the area, and the layout between areas should be compact and reasonable. It should meet the requirements of production maintenance and accident handling, and meet the requirements of personnel escape and lifesaving. The layout of process equipment should take into account the requirements of reasonable structural design and economy. 4.2.2
Equipment partition
The layout of equipment partition shall comply with the provisions of Table 4.2.2. 4.2.2.2 The layout of living area shall comply with the following requirements 1 [1 The living area shall be arranged in a centralized manner and shall be far away from the work station. (2) The living area shall be isolated from the fuel source to the greatest extent possible: (3) The living area located on the production platform shall be equipped with a firewall: or other measures shall be taken 5
Isolated from the dangerous area: When the firewall is part of the overall living area building, no doors or windows shall be installed on the wall:
(4) The living area may be arranged in the same area as the power generation equipment, but noise and pollution shall be controlled;
(5) In order to minimize the escape route, the living area should be close to the lifeboat or helicopter pad.
Equipment partition table
Location requirements
Reduce the ignition source and
fuel source to
Reduce the ignition source
to the minimum
Reduce the rock fire source
to the minimum
Main equipment placed in the area
(F) Wellhead
(E) Choke manifold
(F) Header
) Separator (various working pressures
(F) Sewage equipment (pressurized or
normal pressure)
(above) Natural gas sales station
(F) Pipe cleaning ball sending and receiving device
(F) Indirect heater
Water treatment equipment
() Small crude oil tank
(1 The overall layout of the platform should be separated by production and processing, life and power, and crude oil storage. When the above three parts are arranged on the same structure, necessary isolation measures should be taken between the dangerous and non-dangerous areas. 4.2.1.2
It should be able to meet the requirements of safety, fire prevention, and fire fighting. The circulation of the production equipment should be reasonable within the area, and the layout between areas should be compact and reasonable. It should meet the requirements of production maintenance and accident handling, and meet the requirements of personnel escape and lifesaving. The layout of process equipment should take into account the requirements of reasonable structural design and economy. 4.2.2
Equipment partition
The layout of equipment partition shall comply with the provisions of Table 4.2.2. 4.2.2.2 The layout of living area shall comply with the following requirements 1 [1 The living area shall be arranged in a centralized manner and shall be far away from the work station. (2) The living area shall be isolated from the fuel source to the greatest extent possible: (3) The living area located on the production platform shall be equipped with a firewall: or other measures shall be taken 5
Isolated from the dangerous area: When the firewall is part of the overall living area building, no doors or windows shall be installed on the wall:
(4) The living area may be arranged in the same area as the power generation equipment, but noise and pollution shall be controlled;
(5) In order to minimize the escape route, the living area should be close to the lifeboat or helicopter pad.
Equipment partition table
Location requirements
Reduce the ignition source and
fuel source to
Reduce the ignition source
to the minimum
Reduce the rock fire source
to the minimum
Main equipment placed in the area
(F) Wellhead
(E) Choke manifold
(F) Header
) Separator (various working pressures
(F) Sewage equipment (pressurized or
normal pressure)
(above) Natural gas sales station
(F) Pipe cleaning ball sending and receiving device
(F) Indirect heater
Water treatment equipment
() Small crude oil tank
(
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