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Bladed Scrapers SL-Tekhno
FOR CLEANING TUBING IN LOW RATE WELLS
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One of the most effective tools for removing asphaltene, resin, and paraffin deposits.
Head blades of the scrapers enable effectively cutting a paraffin layers from tubing internal surface. When selecting the blades it is essential to consider size of stem weights which must be equal or less than that of the head. It is recommended that scraper is configured with two blades, top and bottom ones. Top blade diameter must be larger than that of the bottom one within 5 mm tolerance.
Among advantages of blades made by LLC NPF “Tehsmart” are a rightly selected high strength steel and a qualitative sharpening of the blades.
Head blades of the scrapers enable effectively cutting a paraffin layers from tubing internal surface. When selecting the blades it is essential to consider size of stem weights which must be equal or less than that of the head. It is recommended that scraper is configured with two blades, top and bottom ones. Top blade diameter must be larger than that of the bottom one within 5 mm tolerance.
Among advantages of blades made by LLC NPF “Tehsmart” are a rightly selected high strength steel and a qualitative sharpening of the blades.
Weight stems are made in two types: steel and lead
Lead weights/stems as compared to steel weights have larger mass and smaller size. This improves cleaning job quality and speed of preparatory operations.
Application of lead weights eliminates need in large multi-section lubricators.
Blades and cutters are securely fixed in the weight stem body with an Allen key screw.
Lead weights/stems as compared to steel weights have larger mass and smaller size. This improves cleaning job quality and speed of preparatory operations.
Application of lead weights eliminates need in large multi-section lubricators.
Blades and cutters are securely fixed in the weight stem body with an Allen key screw.
Components of SL-Tekhno
Head blades
Head blades of the scrapers enable effectively cutting a paraffin layers from tubing internal surface. When selecting the blades it is essential to consider size of stem weights which must be equal or less than that of the head. It is recommended that scraper is configured with two blades, top and bottom ones. Top blade diameter must be larger than that of the bottom one within 5 mm tolerance.
Weight stems
Weight stems are made in two types: steel and lead
Lead weights/stems as compared to steel weights have larger mass and smaller size. This improves cleaning job quality and speed of preparatory operations.
Application of lead weights eliminates need in large multi-section lubricators.
Blades and cutters are securely fixed in the weight stem body with an Allen key screw.
Lead weights/stems as compared to steel weights have larger mass and smaller size. This improves cleaning job quality and speed of preparatory operations.
Application of lead weights eliminates need in large multi-section lubricators.
Blades and cutters are securely fixed in the weight stem body with an Allen key screw.
Swivel Joint
Swivel joint allows preventing twisting of the wire and formation of kinks
Is a highly effective failure prevention tool for dewaxing, wireline/ slickline and well testing operations.
Connection thread: male M27х1.5 / female M12х1.75 (other thread types can be made if requested by Client)
Is a highly effective failure prevention tool for dewaxing, wireline/ slickline and well testing operations.
Connection thread: male M27х1.5 / female M12х1.75 (other thread types can be made if requested by Client)
Rope socket
Rope socket is designed for connecting 2.5 mm diameter wire and downhole tools.
Rope socket has a unified design among many manufacturers and remains universal. A special “mushroom-type” head, 20 mm OD, allows using the rope socket with head catcher “LU” or collet-type catcher “LTs” which prevents and promptly addresses failures caused by a wire breakdown.
Mandatory heat treatment ensures high tensile strength properties of the rope socket.
Connection thread: M27х1.5
Rope socket has a unified design among many manufacturers and remains universal. A special “mushroom-type” head, 20 mm OD, allows using the rope socket with head catcher “LU” or collet-type catcher “LTs” which prevents and promptly addresses failures caused by a wire breakdown.
Mandatory heat treatment ensures high tensile strength properties of the rope socket.
Connection thread: M27х1.5
Methods of ARPD removal - comparative characterisation
Work order
- 1The SL-Tekhno device is mounted on a scraper wire or cable via a ropsocket within the lowering mechanism (winch).
- 2Under the influence of its own weight, the unit is lowered into the pipe to the required depth for cleaning.
- 3When the unit reaches the specified depth, the device (winch, UDS, MDSA) is switched on for lifting, and the unit, rising, removes sediment from the tubing surface.
- 4Once the unit is lifted, the cleaned products remain in place without interfering with the cleaning process.
- 5The tubing can be flushed during cleaning or after the procedure is complete.
- 6Blades of different diameters are used until the desired result (increased oil flow rate) is achieved.
Technical characteristics of blade scrapers
Well dewaxing equipment
FAQs
The warranty period for SL-Techno scrapers is 12 months from the date of sale.
SL-Techno pigs are designed for cleaning 60/73/89 mm tubing.
To order equipment and consult with our experts, you can contact us by phone, email or fill out the feedback form on our website. Our team will be happy to help you find a solution optimised for your needs.
