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PFS High-Pressure Gravel Pack Tools
Overview

PFS high-pressure filling tool is mainly composed of hydraulic part, locking part, sealing part, slip anchoring part, filling part, closing part, hand-lost part, etc. The tool can not only suspend the sealing casing, but also realize the filling operation after opening the filling channel, which can meet the needs of extrusion filling and circulating filling process in the casing.

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One trip of the pipe string can complete multiple functions, including setting the tool packer, sealing the annulus between the oil casing and the formation, opening the filling channel, squeezing sand into the oil layer, filling the annulus between the casing and the sand screen, and achieving sand control pipe string release.
Fewer construction steps, shorter cycle, and effective sand control.
It is suitable for vertical wells, inclined wells, and horizontal wells, and applicable for sand control within various series of casings. In recent years, over 450 wells in the Xinjiang Oilfield have utilized squeeze filling sand control technology, successfully completing overall sand control for this block with a 100% success rate. The average effective period exceeds 900 days, and some wells have increased their daily production due to the gravel packing and blockage removal effect, earning unanimous praise from clients.
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