Casing scraper is a downhole tool incorporating a blade assembly that is used to remove scale and debris from the internal surface of a casing string. Generally run on tubing or drill pipe, casing scrapers are routinely used during work over operations to ensure that the wellbore is clean before reinstalling the completion string. 

Schlumberger is the leader in line of Casing Scraper in American, may be in the world. And most of company take the products from Schlumberger as the standard, then they have their own products and try to reach to the same stage with it. 

The feature of Schlumberger casing cleaning tools is intricate in design. And tools made in a heavy-duty mold and others designed in modular form to permit variations in component makeup. These tools are robust enough to meet the rigors of modern precompletion wellbore cleanups while also being versatile . 

Kingwell Oilfield is the professional supplier of Casing Scraper in China, and we are one of the follower of Schumberger like others. But we are a Creative and Innovative company. And we have designed a new tools same like Schlumberger Casing clean up tools. 

 

KWCS Scraper is made up of mandrel, centering sleeve, upper support seat, hoop scraper, semi-annular plate, lower support seat, fixing sleeve, lower scraper, wearing ring, adjusting ring, spline body, gland nut, lower joint as well as other components. 

The feature of our Casing Scraper which is availability in all common casing/liner sizes, Completely removes perforation burrs, preventing damage to completion equipment, including expandable screens and pipe used in complex or smart completions and lower risk of packoff around scraper blades during drilling. 

The simple and robust casing scraper cleans casing through reciprocation or rotation. The casing scraper removes cement, mud, rust, scale, paraffin, and other restrictions from the inside wall of casing, significantly mitigating the completion and production risks and costs.
Operators benefit from the solid piece of heat-treated alloy steel that makes up the casing scraper mandrel. The hard-faced casing scraper blades provide endurance and maximum service life. The casing scraper blade arrangement provides full 360 degree contact with the casing inner diameter for better cleaning. Please look below for details on the casing scraper.

Casing Size: 7.00 inch 17.0-32.0 lb/ft and 7.63 inch 45.3-55.3 lb/ft
Casing Scraper Blade Expansion: 5.950 - 6.800 inch 
Connections: 3-1/2 Reg pin by box

Features and Benefits:

• Hard-faced casing scraper blades provide endurance and maximum service
• Cleans through rotation or reciprocation provides better cleaning efficiency
• Simple design allows easy operation of casing scraper
• High-strength one-piece steel body increases reliability