Multiphase flow meter scale application in tarim oilfield

Abstract: the application of multiphase flow meter scale in tarim oilfield information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Multiphase metering technology and application is chasing hot topic in recent years, the world's oil countries, because it changed the traditional oil separator measurement model, can simplify the oil field ground production process, greatly reduce the cost, the construction of a productivity of convenient operation and management, to improve. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a multiphase flow meter scale application in tarim oilfield, the article details. Multiphase metering technology and application is a chase is a hot topic in recent years, the world's oil countries, because it changed the traditional oil separator measurement model, can simplify the oil field ground production process, greatly reduce the cost, the construction of a productivity of convenient operation and management, improve the level of automation, etc. Multiphase flow meter in the development of the tarim and test process that began in late 1992, and 1995 years ago, we are implemented by measuring the total flow and phase fraction of multiphase metering, has experienced the turbine flowmeter / & gamma; Ray, vortex street flowmeter / & gamma; Ray, the related law / & gamma; Three phases: ray, etc. Since the end of 1995, we began to focus on research by measuring the phase fraction and velocity to achieve multiphase metering. After several years of field test, the basic endorsed the use & gamma; Ray correlation method measuring the phase velocity and using & gamma; Ray absorption method to measure phase fraction measuring principle and method. The flowmeter is now basic finalize the design and form a series of products. In order to improve the measuring accuracy of multiphase flow meter, measuring range, and the reliability and stability, and continue in hard recently made some improvement and improve the software. MFM multiphase flowmeter measurement principle and composition 1 phase fraction measurement; Ray absorption method 2 velocity measurement & ndash; — — Cross-correlation method of cross-correlation velocity measurement is based on the statistical similarity between two random signal measurement. When the fluid was outdated from pipeline, axial at intervals along the pipeline, L） Installed upstream or downstream of the sensor on the respective measurement point picked up from the non-uniform fluid flows into two random signal, measure the cross-correlation between them time ti, the speed of the fluid flow are available on the vi. Discussed about the related numerical and prove that can be found in the math book. 3 measurement system of structure and form a complete set of MFM multiphase metering device should contain 4 most commonly: divided rate measuring device; The velocity measurement device; Temperature and pressure measuring device; Data acquisition and processing system. Application with the data from the end of 1992, we will cooperate with lanzhou hammer company scientific research personnel, successively in the lunnan area of tarim, YaHa, tower fourth oilfield field test and use, sharing the four generations before 20 sets of prototype or products, hundreds of times of nearly hundred Wells three-phase separate measurement. There are 13 sets now in use, and creatively put 3 sets in 1997 different specifications of three-phase flow meter and form a complete set of system integration on a device prizing, successfully developed the mobile three-phase separation metering device to adapt to the desert environment, achieved good economic benefits. Compared with separate metering, not separate metering system mainly has the following advantages: (1) which can realize continuous and automatic online measurement, to avoid the error of measurement and the representative problem of sampling time. (2) convenient operation and management, which can realize the unattended when measuring, operation maintenance cost is low; (3) there is no resistance and moving parts, safe and reliable; (4) the three phase measurement result, automatic printing measurement reports; 5. Easy installation, reduce cover, save construction investment, etc. In the country and the industry has not yet issued regulations related to multiphase flowmeter, field are common practices at home and abroad to compare the separation of multiphase metering and traditional measurement, in order to obtain the relative accuracy of multiphase metering and credibility. No exception, tarim oil field, we can do a lot of experiments and research, respectively at the scene of the desert oil field and is carried out on the offshore platform comparison test, and in the multiphase flow in two places at home and abroad than device tested.

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