This standard is applicable to the quality inspection and assessment of steel process pipeline installation projects in oil fields and long-distance pipeline stations with a design pressure of no more than 32MPa and a temperature of no more than 2000C. SY 4027-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Steel Process Pipeline Installation Project in Stations SY4027-1993 Standard download decompression password: www.bzxz.net

Standard for Quality Inspection and Eyaluation of Petroleum Construction Engineering Installation of Steel Technological Pipeline Inside Station
SY4027—93
Editor department: China National Petroleum Corporation Infrastructure Engineering Bureau Approval department, China National Petroleum Corporation Implementation date, March 1, 1994
Petroleum Industry Press
1993 Beijing
Pipe fittings, valve inspection and pipe fittings processing engineering Pipeline assembly engineering:
Pipeline welding engineering
Pipeline installation engineering
Pipeline painting engineering
Soft product insulation engineeringWww.bzxZ.net
Perlite or vermiculite prefabricated quick insulation engineering·Appendix A
Appendix B
Appendix C
Quality assurance data for steel process pipeline installation engineering in the station
Inspection equipment table·
Terms used in this standard|| tt||Additional Notes·
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Document of China National Petroleum Corporation
（93）Zhongyoujizi No. 598
Notice on the Approval and Release of 27 Oil and Gas Industry Standards, including "Regulations for the Preparation of Oil Surface Engineering Design Documents"
All relevant units, ·Related Oil Professional Standardization Technical Committees: The draft of 27 standards, including "Regulations for the Preparation of Oil Surface Engineering Design Documents", has been reviewed and approved and is now approved as oil and gas industry standards. The numbers and names of the various standards are as follows:
1. SY0008--93
2, SY0055--93
3,SY0072--93
4, SY0073--93
6. SY0074—-93
t. SY/T007793
8, SY/T0523--93
9.SY4024---93
10 SY4025-93
1.SY4026-93
Rules and regulations for the preparation of design documents for petroleum surface engineering (replacing SYJ9--83)
Measurement specifications for long-distance oil and gas pipelines
(replacing SYJ55-83)
Standards for the test method of high-temperature cathodic stripping of pipeline anticorrosion coatings Standard test method for materials of pipeline anticorrosion coating patches Standard test method for insulation and sealing of pipeline anticorrosion coating patches Standard design specifications for natural gas dehydration Fan
Natural gas condensate recovery design specification
Oilfield water treatment filter
General rules for quality inspection and assessment of petroleum construction projects (replace SYJn4024-88)
Quality inspection and assessment standards for petroleum construction projects Construction projects (replace SYJn4025-88) Quality inspection and assessment standards for petroleum construction projects Storage tank projects (replace SYJn-028-88) 12SY402793
13. SY402893
14. SY4029--93
15,SY4030.1--93
16. SY4030.2--93
17. SY403193
18.SY403399
1S1403493
20.SY403593
21.SY4037--93
22.SY4038-93
23.SY405393
Petroleum Construction Engineering Quality Inspection and Assessment Standard Station In-station Steel Process Pipeline Installation Engineering
(Replace SYJn4027-88 )
Shidu Construction Engineering Plug-in Inspection and Assessment Standard Equipment Installation Engineering (Replace SYJn4028-88) Petroleum Construction Engineering Quality Inspection and Assessment Standard Long-distance Pipeline Line Engineering (Replace SYJn4029-88)
Petroleum Construction Engineering Quality Inspection and Assessment Standard Ya Electrical Engineering (Overhead Power Line Engineering) (Replace SYIn4030-88 )
Petroleum construction project quality inspection and assessment standard Electrical engineering (electrical installation engineering) (replace SYJn403088
Petroleum construction project quality inspection and assessment standard
Automation instrument installation engineering (replace SYJn403-88
Petroleum construction project quality inspection and assessment standard
Road engineering (replace SYJn4033-88)Petroleum construction project quality inspection and assessment standard Bridge engineering (replace SYJn4034-88)
Petroleum construction project quality inspection and assessment standard Heating, ventilation and water supply installation engineering
(replace SYIn403588)
Five oil construction project quality inspection and assessment standard
Refinery construction project (replace SY J4037-89) Petroleum construction project quality inspection and assessment standard Gas field construction project (replacing SY4038-92) Petroleum construction project quality inspection and assessment standard Oilfield gathering and transportation pipeline project (replacing SY405324.SY/T406893
25.SY/T4069--93
26.SY4070-93
27SY/T407193
Petroleum construction project quality inspection and assessment standard Anti-corrosion and thermal insulation steel pipe production
Petroleum construction project quality inspection and assessment standard Oilfield container production
Petroleum and natural gas pipeline construction and acceptance environment standard
Pipeline downward welding process specification
The above standards shall be implemented from March 1, 1905 China National Petroleum Corporation
September 9, 1993
1.0.1 This standard applies to the quality inspection and assessment of steel process pipeline installation projects in oil fields and long-distance pipeline stations with a design pressure of no more than 32MP and a temperature of no more than 200°C.
102 The divisions and sub-projects of steel process pipeline installation projects in stations shall comply with the provisions of Tables 1.0 and 2.
, Division, Name of sub-project
Name of sub-project
Steel technology in the station
Pipeline installation project
Name of sub-project
Excavation and backfilling of pipe structure:
Inspection and processing of pipe fittings and valves:
Pipeline assembly:: Pipeline welding: Pipeline installation: Pipeline tracking
Paint: Soft product insulation: Perlite or vermiculite block insulation: ·Petroleum asphalt anti-corrosion steel pipe on-site production: Pipeline anti-corrosion insulation patching, "" is the main sub-item mark.||tt ||1.0.3 While implementing this standard, the provisions of SY4024-93 "General Standards for Quality Inspection and Assessment of Petroleum Construction Projects" shall also be observed. 1.0.4 The following sub-projects shall be inspected and assessed in accordance with the corresponding quality inspection and assessment standards specified in Table 1.0.4. Standards cited for sub-projects
Name of sub-project;
Trench excavation and backfilling
Standard number
ISY4029
Pipeline liquid-proof thermal insulation patchingSY4029
Petroleum asphalt waterproofing Corrosion-resistant steel pipe SY/T
On-site production
Petroleum construction project quality inspection and assessment standards Long-distance pipeline line project
Petroleum construction project quality inspection and assessment standards Long-distance pipeline line project
Petroleum construction project quality inspection and assessment standards Anti-corrosion insulation steel pipe production
Chapter number
10.5 The main indicators and requirements of this standard are proposed based on the following standards and specifications: SYJ4002-90 "Construction and acceptance specifications for process pipeline projects in long-distance pipeline stations"
GBJ23 5--82 "Industrial Pipeline Engineering Construction and Acceptance Specification" GBJ236--82 "On-site Equipment, Industrial Pipeline Welding Engineering Construction and Acceptance Specification"
GB3128-89 "Industrial Equipment and Pipeline Insulation Engineering Construction and Acceptance Specification"
1.0.6 The quality assurance of the steel process pipeline installation project in the station shall comply with the provisions of Appendix A of this standard.
1.0.7 The equipment used to inspect the quality of the project shall comply with the provisions of Appendix B of this standard. 2
Inspection of pipe fittings, valves and pipe fittings processing projects 2.1 Guarantee items
2.1.1 The material specifications and models of elbows, compensator tees, reducers and other parts must meet the design requirements and specifications. Inspection method: Check the factory quality certificate or certificate. 2.1.2 The material, specifications and models of valves, flanges, gaskets, packings and bolts must meet the design requirements and specifications.
Inspection method: Check the factory quality certificate or certificate. 2,13 The pressure test and installation of valves meet the design requirements and specifications. Inspection method: Check the valve pressure test record and safety valve pressure test report or record.
2.2 Basic items
Quality requirements
Specified points
The quality requirements and specified points of the elbow surface shall meet the specifications in Table 2,2,1. There shall be no cracks
No delamination
Inspection quantity: 10% of the system shall be randomly inspected.
Inspection method: Observation and inspection.
No overburning
No folding
2.2.2 The quality requirements and specified scores of the 2.2.2.2.
Inspection quantity: All.
Quality requirements
Specified scores
Quality requirements and specified scores of the Ⅱ type compensator The two arms should be straight
The two arms should be parallel and should not be twisted
External inspection method: Observation and inspection with a level ruler, magnetic square and plumb line. 2.2.3
The quality requirements and specified scores of the door should comply with the provisions of Table 2.2.3. Quality requirements and specified scores for the door
Transmission device and operating machine Transmission device and operating machine material, filling is correct, quality requirements
Specified score
Structure action is active without sticking phenomenon
Inspection quantity, check 10% by system.
Inspection method: feel and observation inspection.
No leakage
Valve sealing surface has no
concave, scratch, surface
Roughness meets the design requirements
2.2.4, by the way, the quality requirements and specified scores of the support, product, bracket and frame construction shall comply with the provisions of Table 2.2.4.
Quality requirements and specified scores for processing of pipe supports, hangers and brackets Quality requirements
Specified scores
Supports and brackets should have no welds and seams on the surface. Anti-rust should be carried out after production. The working surface, edges and joints of supports and hangers should be flat
Inspection quantity: 10% of the connection system should be randomly inspected, and no less than 3 pieces. Inspection method: Observation inspection.
2.2.5" Quality requirements and inspection methods for the production of reducers, specified scores should comply with the provisions of Table 2.2.5.
Inspection quantity: 10% of the system should be randomly inspected, and no less than 3 pieces. Quality requirements and inspection methods for the production of reducers, specified scores Quality requirements
Inspection method
Specified scores
The shrinkage size should comply with the design requirements
Inspect with a steel ruler
There should be no chain marks
Observation and inspection
No splash, evenly tied
Observation and inspection
The quality requirements and specified scores of pipes and fittings shall comply with the specifications in Table 2 and 2.6. 2.2.6
The pressure requirements and specified scores of pipes and fittings
The sealing surface of the flange shall be flat and smooth, without burrs, scratches, or radial grooves; the height of the flange convex surface shall not be less than the depth of the groove. The threads of the bolts and nuts shall be complete, without scars or burrs. The non-metallic gasket should be flexible and free from aging, deterioration, delamination, damage and wrinkles. The metal gasket should be free from cracks, burrs, radial scratches, grooves, rust spots and elbows. The surface of the elbow should be free from cracks. Rust
The surface of the pipe should be free from cracks, heavy skin, rust or depression. The negative deviation inspection quantity should not exceed 10% of the system, and the ear should not be less than 3 pieces. Inspection method: Observation inspection.
2.3 Allowable deviation items
Standard score
2.31 The quality indicators and inspection quantity, inspection methods and specified scores of the allowable deviation items of bends and reducers shall comply with the provisions of Tables 2, 3 and 1. 5
Quality indicators and inspection quantity, inspection methods and specified scores of the allowable deviation items of bends and reducers
【Roundness ratio
Thinning ratio
PN=10MPe
PN-10MPu
PN10MPa
PN31 The quality indicators and inspection quantity, inspection methods and specified scores of the allowable deviation items of bends and reducers shall comply with the provisions of Tables 2, 3 and 1. 5
The quality indicators and inspection quantity, inspection methods and specified scores of the allowable deviation items of bends and reducers
【Roundness
Thinning rate
PN=10MPe
PN-10MPu
PN10MPa
PN31 The quality indicators and inspection quantity, inspection methods and specified scores of the allowable deviation items of bends and reducers shall comply with the provisions of Tables 2, 3 and 1. 5
The quality indicators and inspection quantity, inspection methods and specified scores of the allowable deviation items of bends and reducers
【Roundness
Thinning rate
PN=10MPe
PN-10MPu
PN10MPa
PN
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