（繞焊不銹鋼篩管、地熱井濾水管、防砂篩管）
楔形絲篩管由符合API標準的基管和高精度的楔形絲濾水管組成。
產品特點：
1、承受壓力能力強，適用于比較惡劣的使用環(huán)境。
2、管徑較細，減輕了鉆井的施工難度。
3、標準篩管的開口率為21%,也可根據客戶要求進行調整。
4、外層篩管縫隙均勻，誤差小，能有效起到防砂作用。
5、連續(xù)的V型結構使得水流滲入速度減小，減輕了管體與設備所受壓力。
6、基管材質為API標準的J55、K55、N80等，外層篩管為不銹鋼304，也可按照客戶要求使用其他材質。
適用環(huán)境：千米深井，石油井，地熱井，施工條件惡劣的地層。
The Pipe-based screen is a perfect combination of a high perbance profile wire screen and a strong internal pipe. It utilizes a very accurate V-shaped wire welded onto supporting rods to b a jacket that is assembled onto the perforated pipe – making them ideally suited to deep wells.
The very close slot control tolerances prevent sand migration.
Most importantly, the V-shaped continuous slot opening ensures better flow perbances and is specially designed for very severe conditions.
As standard, 304 stainless steel is used in the manufacture of the jacket, and J55 or K55 for the pipe base. The standard external screen open area is 21%, although other percentage open areas are available.
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