Drilling cutter

Check valve system

Container of tubing

Implosion valve

Throttle clutch

Staple valve

Purpose

The layout is designed for normalization of well bottoms complicated with salt deposits, proppant plugs after hydraulic fracturing, sandy, clayey, gypsum and other dense plug formations by mechanically destroying them with a rotating cutter and simultaneously filling the container from tubing pipes with their destroyed fragments and bottomhole cuttings.

Application area

  • Vertical and horizontal production wells, with reduced productivity due to the deposition of mechanical impurities at the bottomhole;
  • Cleaning the bottomhole of production wells after hydraulic fracturing from underpressed proppant.

Features

Specifications

Typesizes

Maximum outer diameter, mm
73
A column of pipes to organize the container
Tubing-60
Width of the annular through hole, mm
12
Weight, kg
39,1
Service
Clean Well Learn more

Implemented projects

Application of Clean Well technology (well bottomhole normalization after hydraulic fracturing) at Rosneft facilities in Khanty-Mansiysky Okrug

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Project PitMSFrac, Bashkortostan

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Development of wells with a jet pump during geological exploration in the Yamalo-Nenets Autonomous District

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Project “PEV – Online”, Irkutsk region

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