The technology combines advanced electronic technology and electromagnetic technology to develop a breakthrough oil well paraffin prevention technology-electromagnetic anti-paraffin instrument, which can make the oil well no longer need other paraffin prevention measures (such as mechanical scrapers, adding chemicals to prevent paraffin, etc.) and extend the time of oil well paraffin formation. Our " frequency scanning electromagnetic anti-paraffin device" is the latest intelligent numerical control automatic frequency scanning electromagnetic conversion system of the second generation, with low cost, simple process, obvious effect, and easy to manage and maintain, energy saving and environmental protection. So it has been widely used.
The main principle is to use a high performance electromagnetic conversion device to establish a magnetic field, the magnetic field in the crude oil paraffin molecules generated a whole excitation.
a.The electromagnetic anti-paraffin device is installed on the oil flow line at the wellhead. By virtue of the magnetic conductivity of the oil pipe, sucker rod, single well oil pipeline and the medium in the pipe, it forms a magnetic field covering any fluid component within the oil pipe and the pipeline at the depth of 800-1000m;
b. Magnetic colloidal suspension effect: paraffin is a polar molecule, according to the theory of magnetic molecular arrangement orientation, after magnetic treatment, paraffin wax particles under the action of induced magnetic field, asphaltenes, colloid, paraffin molecular electron spin in quantity increases, the trajectory change (Larmor precession), the intermolecular forces are disturbed and no longer arrange according to the original rules, forming a colloidal suspension state, and inhibit the growth of the wax crystal to slow down the paraffin crystallization process, and achieve the purpose of paraffin prevention.
c.Hydrogen bond variation effect: it can break the hydrogen bond of paraffin under the action of a certain strength magnetic field, change the bond Angle or bond strength of crude oil components, make it difficult to form a skeleton, destroy the aggregation between macromolecules and wax crystals, make it difficult to assemble, and achieve the purpose of paraffin prevention.
2.Main features and advantages:
a. Compared with conventional anti-paraffin technology (mechanical, dosing and electric heating), it has the characteristics of low cost, easy installation, less power consumption and less maintenance;
b. The unique frequency conversion design, can achieve continuous automatic scanning, fixed frequency work, suitable for all kinds of waxes at various melting points.
c. The software sets the power failure delay starting function, after being put into operation, it has
the function of automatic recovery in case of power failure. It is more suitable for unattended operations.
d. Field application shows that the system can effectively reduce the crystallizing point of paraffin by 3-5℃ and increase the amount of liquid dissolved wax by more than 5.5 times, with an operating distance of 800-1000m.
3.Main technical parameters
a. Applicable voltage: 220V/380V, 50Hz;
b. Output current: 0-5A;
c. Working mode: fully automatic; Manual setting; Optional frequency operation;
d. Output power: 100-500w continuous;
e. Automatic scanning frequency conversion range: 10-100hz;
f. Central magnetic field strength: > 50mT;
g. Operating distance: 800-1000m;
h. Working diameter: 60 (outer diameter) DN50; Can be customized;
i. Working pressure of the pipe body: 2.5 Mpa; Can be customized; Operating temperature more than 90℃;
j. Connection type: flange (or clamp head) connection; Can be customized.
k. Working environment: in door or outdoor general environment.
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