API RP 85 ADD-2013 Use of Subsea Wet-gas Flowmeters in Allocation Measurement Systems (First Edition)《分配测量系统中水下湿气体流量计的使用.第1版》.pdf

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1、Date of Issue: January 2013 Affected Publication: API Recommended Practice 85, Use of Subsea Wet-gas Flowmeters in Allocation Measurement Systems, First Edition, March 2003 ADDENDUM The below listed sections are removed from API Recommended Practice 85, Use of Subsea Wet-gas Flowmeters in Allocation

2、 Measurement Systems, 1stedition, 2003 and will now be covered by API MPMS Chapter 20.3, Measurement of Multiphase Flow, 1stedition, 2013. Remove the following sections: Section 4Subsea Meter Calibration and Testing, Section 6.1Overview, Section 6.2Normal Operating Conditions Over Field Life, Sectio

3、n 6.2.1Pressure, Section 6.2.2Temperature, Section 6.2.3Flow Rates, Section 6.2.4Gas and Liquid Volume Fractions (GVF/LVF), Section 6.2.5Water Volume Fraction, Watercut, Section 6.2.6Fluid Properties, Section 6.3Measurement Uncertainty Expected for Normal Operating Conditions, Section 6.4Design Cons

4、iderations, Section 6.4.1External Design Pressure, Section 6.4.2Internal Design Pressure, Section 6.4.3Material Selection and Manufacture, Section 6.4.4Erosion and Corrosion, Section 6.4.5Hydrate Susceptibly Analysis, Section 6.4.6In-situ Re-Calibration, Section 6.4.7Sensor Redundancy, Section 6.4.8

5、Leak Path Minimization, Section 6.4.9Installability/Removability from Service, Section 6.4.10Stresses Due to Environmental Conditions, Section 6.4.10.1Handling, Lifting and Installation, Section 6.4.10.2Thermal Effects, Section 6.4.10.3Pressure, Section 6.4.10.4Hydrodynamic Loading, Section 6.4.10.5

6、Impact Loading, Section 6.4.11Collapse, Section 6.4.12Other Factors, Section 6.4.12.1Sensor Accuracy, Section 6.4.12.2Power Requirements, Section 6.4.12.3Mechanical Protection, Section 6.4.12.4Software Development, Section 6.5Installation Effects on Measurement, Section 6.6Additional Testing on Meas

7、urement Systems Section 6.6.1Systems Integration Test (SIT), Section 6.6.2Installation Demonstration, Section 6.6.3Software Testing, Section 6.7Routine Verification, Section 6.7.1Comparison of Redundant Sensors, Section 6.7.2Monthly System Balance Check, Section 6.7.3Sensor Zero and Offset check at Shut-in, Section 6.7.4Other Recommended Diagnostics.