This standard applies to the design, construction, operation and maintenance of pipeline AC interference corrosion protection projects. Other AC interference corrosion protection projects of buried metal structures can be used as a reference. SY/T 0032-2000 Technical Standard for AC Drainage Protection of Buried Steel PipelinesSY/T0032-2000 Standard download decompression password: www.bzxz.net

Petroleum and Natural Gas Industry Standard of the People's Republic of China Standard for AC influence drainage protection of buried steel pipeline
SY/T00322000
Editor: Survey and Design Institute of Sichuan Petroleum Administration Bureau Approval department: Petroleum Industry Press of State Petroleum and Chemical Industry Bureau
2000 Beijing
Technical standard for AC influence drainage protection of buried steel pipeline
Article explanation
Basic provisions
Investigation and testing
Scope of investigation and testing·
Drainage protection facilities:
6 Adjustment and effect evaluation of drainage protection system 6.1 Adjustment of drainage protection system
6.2 Evaluation of drainage protection effect
7 Operation and management ·
Appendix A Test method for AC interference of underground steel pipeline with AC source 17 Appendix B Simplified calculation formula for magnetic interference voltage of buried steel pipeline Standard words and terminology
Appendix Explanation of clauses of technical standard for AC drainage protection of buried steel pipeline 24
Document of State Administration of Petroleum and Chemical Industry
State Petrochemical Administration (2000) No. 110
Notice on the approval of 44 oil and gas industry standards including "Onshore Oil Industry Safety Terminology" China National Petroleum Corporation:
The draft of 44 oil and gas industry standards including "Onshore Oil Industry Safety Terminology" submitted by your company for approval has been approved by our bureau and is now published. Standard name and number: Recommended standard SY/T 6455-2000: SY/T 0032-2000 SY/T 0069--2000 SY/T 0321-2000 SY/T 0460-2000 Safety terminology for onshore petroleum industry Technical standard for AC drainage protection of buried steel pipelines (replaces SYI32-88) Design specification for crude oil stabilization (replaces SY/T 0069--92) Technical standard for cement mortar lining of steel pipelines Construction and acceptance specification for natural gas static device equipment and pipeline installation engineering (replaces SY 406093)
SY/T5053.1-2000 blowout preventer and control device blowout preventer (replacing SY 5053.1-92)
SY/T 5331--2000
SYT 53552000
SY/T 5366---2000
SY/T 5388--2000
SY/T 54262000
SY/T 55392000
SY/T 55792000
SY/T 5613—2000
SY/T 5806-2000wwW.bzxz.Net
SY/T 5927---2000
SYT 59342000
SY/T 59382000
SY/T 6051-2000
Petroleum geological exploration interpretation drawings
Replaces SY/T 533194
Technical requirements for reservoir geological characteristics description Carbonate buried hill reservoir part
(Replaces SY/T 5355-91)
Technical requirements for coring data of oilfield development wells
(Replaces SY/T 5366-89)
Classification method of carbonate reservoirs
(Replaces SY/T 5388--91）
Method for determination and classification of rock drillability
(Replaces SY5426-91)
Method for quality evaluation of oil well pipe products
(Replaces SY/T5539-92)
Method for fine description of clastic rock sleeve gas reservoir
(Replaces SY/T5579--93)
Test method for physical and chemical properties of shale
(Replaces SY/T5613-93)
Oil and gas layer position code (Replaces SY5806-93) Specification for measurement of global positioning system (GPS) for petroleum geophysical exploration (Replaces SY/T 5927-94)
Verification of drilling compliance of seismic exploration structural results (replacing SY/T5934---94)
Demarcation of geological horizons of seismic reflection layers
(replacing SY/T5938-94)
Technical specification for acquisition of two-dimensional seismic exploration data in mountainous areas (replacing SY/T 6051-1994)
SY/T6052-2000
SY/T 6054--2000
SY/T 67T 610-22000
SY/T 6177--2000
SY/T 6434-2000
SY/T 6435-2000
SY/T 6436-2000
SY/T 64372000
SYT 6440—2000
SY.T 64412000
SY/T 64452000
SY/T 6458--2000
SYT 6459--2000
SY/T 64602000
SY/T 6461--2000
SY/T 75492000
SYT 75502000
Mandatory standards
SY 0322-2000
Technical specification for on-site processing of seismic exploration data acquisition (replacing SY/T 6052—1994
Technical specification for seismic exploration data acquisition in land-water interaction zone (replacing SY/T 6054-94)
Contents and requirements of dynamic monitoring data for steam injection development of heavy oil reservoirs (replacing SY/T6102-94)Economic evaluation method for natural gas reservoir development plan (replacing SY/T6177-1995)
Analysis method for physical properties of fluids in natural gas reservoirs
Analysis method for physical properties of volatile source oil
Technical requirements for the preparation of natural gas development plans
Sampling method and quality requirements for rock samples used in development experimentsInspection items and technical regulations for R24 ​​shallow geospatial instrumentAcceptance procedures for exploration data processing resultsTerminology for common defects of oil pipes
Guidelines for confined space entry for oil tankers in the petroleum industrySafety and health plan for contractors
Basic classification of flammable and combustible liquids
Recommended practices for installation and operation of wet steam generatorsDetermination of crude oil viscosity-temperature curve, rotational viscometer methodDetermination of wax, colloid and asphaltene content in crude oilQuality inspection and assessment standards for petroleum construction projectsConstruction projects of natural gas purification plants
SY 04022000
SY 04702000
SY 6442—2000
SY 6443--2000
SY 6444—2000
SY 6456—2000
SY 6457--2000
Specification for Construction and Acceptance of Process Pipeline Engineering in Petroleum and Natural Gas Stations (Replaces SYJ4002--90)
Specification for Construction and Acceptance of Crossing Engineering of Petroleum and Natural Gas Pipelines (Replaces SY4070-93)
Specification for Grading and Assessment of Oil Drilling Derricks
Safety Regulations for Fracturing and Acidizing Operations
Safety Regulations for Petroleum Engineering Construction
Safety Production Regulations for Sour Natural Gas Gathering Stations Safety Regulations for Sour Natural Gas Pipelines
The above standards shall be implemented from October 1, 2000. State Administration of Petroleum and Chemical Industry
March 31, 2000
1 General Measurement
1.0.1 This standard is formulated to effectively control the AC interference corrosion hazards to buried steel pipelines (hereinafter referred to as pipelines) and unify the technical requirements for AC interference corrosion protection projects.
1.0.2 This standard applies to the design, construction, operation and maintenance of pipeline AC interference corrosion protection projects. It can be used as a reference for AC level interference corrosion protection projects of other ground metal structures.
1.0.3 Any AC voltage value measured between the pipeline and the ground (or other adjacent structures) should be regarded as a sign that further investigation is needed. 1.0.4 Drainage protection is only the main measure for AC interference protection. However, for occasions with severe interference or complex interference conditions, comprehensive management measures such as drainage protection, pipeline segment isolation, grounding grid, electric shielding, grounding battery and polarization battery should be adopted. 1.0.5 For the interference source causing AC interference to the pipeline, measures to reduce AC interference should be taken according to the relevant national standards in force.
1.0.6 In the interference area, the interference-free coordination organization shall be formed by the representatives of the interfered party, the interference source party and other relevant parties, and jointly set up defense, arbitration, handle and coordinate the interference-free issues according to the principles of unified testing, unified design, unified management, unified evaluation and separate implementation.
1.0.7 In addition to implementing this standard, the design, construction and operation and maintenance of pipeline AC interference corrosion protection engineering shall also comply with the provisions of the relevant national mandatory standards in force. 2 Terminology
2.1 Source of AC influence High-voltage AC power lines, facilities and AC electrified railways, facilities are collectively referred to as AC interference sources, or simply interference sources.
2.0.2AC influence
The electrical effect of alternating current on adjacent pipelines through resistive, inductive or capacitive coupling.
According to the length of AC interference, AC interference can be divided into three types: instantaneous interference, continuous interference and intermittent interference.
2.0.3Inductive coupling (magnetic induction)
magnetic induction
The electrical effect of the alternating magnetic field generated by AC on the pipeline. 2.0.4Capacitive coupling (electric induction)electricinductionThe electrical effect of the electric field generated by AC on the pipeline. 2.0.5Influence of ground currentThe electrical effect of AC current flowing into the ground, connected through the resistance of the soil, on the adjacent pipeline.
2.0.6PipelineACinfluencevoltageThe AC voltage between the pipeline and the ground generated by AC interference. 2.0.7 Access
When the relative position of the pipeline and the interference source is sufficient to cause danger or interference to the pipeline, it is called access. When the distance between the two approaches does not vary by more than 5% of their arithmetic mean, it is called parallel access; when it exceeds 5%, it is called oblique access. 2.0.8 Access distance The closest straight-line distance between the pipeline and the adjacent AC interference source. 2.0.9 Equivalent distance (d) The ratio of the distances at both ends of the oblique approach section ≤ (dl
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