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FS-A Type Sand-proof Sieve Tube
Oil wells tubes may be blocked by sand during the work of oil developing due to complicated geological structure, long developing time and other reasons. FS-A type sand-proof sieve tube is our latest product specially designed for oil field use against sand. FS-A type sand-proof sieve tube is easy to fit and it may be put directly under oil layer or pump. Repeated tests have proved that FS-A type sand-proof sieve tube has a excellent effect against sand and it has become National patent products (Patent No. 95.2.29738.8). FS-A type sand-proof sieve tube, as the most advanced and ideal products of its kind in China, has been widely used now in North China Oil Field, Dagang Oil Field, Shengli Oil field and other oil fields of China. FS-A type sandproof sieve tube has following characteristics:
1. Advanced structure. We adopt various special raw material and most advanced processing technology in manufacturing of FS-A type sandproof sieve tube to achieve a scientifically reasonable structure. FS-A type sandproof sieve tube has great advantage against sand below 0.10mm.

2. Low cost and high efficiency. FS-A type sandproof sieve tube combines center tube, filtration layer and outer tube together to greatly enhance the whole strength of various layers. FS-A type sandproof sieve tube also strengthens the protection of filtration layer to decrease damage occuring during transportation and work. The times of cleaning oil well are greatly reduced,  cost lowered accordingly and yield of crude oil and work efficiency increased.

3. Safe in application. FS-A type sandproof sieve tube enjoys greater reliability and safety in application as this products adopts special material to increase strength against pulling and twisting. FS-A type sandproof sieve tube also features acidproof, alkalineproof, high-temperature-proof and corrosionproof.

4. Easy to fit. FS-A type sandproof sieve tube is processed with oil tube, uses oil tube standard thread and may be connected directly with tube hoops. FS-A type sandproof sieve tube is small in volume, light in weight, easy to fit and convenient to use.

5. Timely delivery. FS-A type sandproof sieve tube has three series total 18 specifications. We may adjust filtration material according to different geographic structure, thick or thin of oil and sand size. We may also adjust in time the inner structure to achieve ideal sandproof effect for the users.