Casing Scraper

Casing Scraper is ideal for the removal of dirt which may be left over the inside walls of casing, such as solid cement, hard wax, various salt crystals or deposits, perforation burrs, iron oxide residues resulted from rusting, so as to make all down hole tools pass through unblocked. Especially when a small circular clearance is available between the down hole tools and casing inside diameter, the complete scrapping becomes more necessary before further working. At present in the large petroleum well scrapping in the internal wall of casing by use of casing scraper is a necessary step.

Casing Scraper is ideal for the removal of dirt which may be left over the inside walls of casing, such as solid cement, hard wax, various salt crystals or deposits, perforation burrs, iron oxide residues resulted from rusting, so as to make all down hole tools pass through unblocked. Especially when a small circular clearance is available between the down hole tools and casing inside diameter, the complete scrapping becomes more necessary before further working. At present in the large petroleum well scrapping in the internal wall of casing by use of casing scraper is a necessary step.

Casing Scraper is ideal for the removal of dirt which may be left over the inside walls of casing, such as solid cement, hard wax, various salt crystals or deposits, perforation burrs, iron oxide residues resulted from rusting, so as to make all down hole tools pass through unblocked. Especially when a small circular clearance is available between the down hole tools and casing inside diameter, the complete scrapping becomes more necessary before further working. At present in the large petroleum well scrapping in the internal wall of casing by use of casing scraper is a necessary step.

Introduction The HD Sharp-Razorâ?¢ Casing Scraper consists of: a high-strength, one-piece mandrel and is designed to meet the demands of Complex wellbore cleanups. By allowing a higher RPM and weight-on-bit rating than the standard Shape-Razor device. The HD Sharp-Razor Casing Scraper unit is well suited for drilling up cement accessories commonly found inside the liner or casing. Features More effective, robust and safer to use in a ll wellbore-cleanup of casing-scraping operations. Higher RPM and weight-on-bit rating than the standard Shape Razor. 360°coverage, and equal cleaning force at all angles of well inclination. Suitable for severe environment, HTHP-compatible and is not vulnerable to chemical or acid attack. Available with all API and premium drill pipe connections. Application Removes cement sheath, burrs, and pipe scale Pre-completion wellbore clean-up Workovers and sidetracking Abandonment Drilling / milling cement plugs

Introduction The RIDGE Sharp-Razorâ?¢ Casing Scraper developed for use in perforated casing or liner to remove perforation burrs and to ensure the safe passage of completion equipment. Provides advanced wellbore cleanup in the post-perforating well phase, where a high degree of casing or liner ID smoothness through the perforated interval is required . Completely removes perforation burrs, preventing damage to completion equipment, including expandable screens/expandable pipe used in complex/smart completion . Features Robust enough to remove bigger and large volume burrs, cementing accessories. Clean by rotation and up/down pipe movement. Supplied with drill-pipe box up/pin-down connections . Available in all common casing/ liner sizes. Application Mainly used in perforated casing or liner to remove perforation burrs and to ensure the safe passage of completion equipment

Introduction SUPER Unique Sharp-Razor Series is a heavy duty wellbore clean-up scraper suitable for all downhole conditions and with robust, high performance features. Run separately or as part of a comprehensive wellbore clean-up, the SUPER Unique Sharp-Razorâ?¢ is designed to effectively remove cement and other debris from the casing wall, through reciprocation. The scraper cage flexes like a spring, to conform to the casing internal surface, to mechanically remove hard debris from the casing. The alloy bronze bearings feature both axial and radial elements to allow extended rotation in harsh environments preventing tool and casing wear. The Heavy Duty version includes an integral string mill. The Standard Duty version comes with a plain external diameter.

Materials: 45#, 40Cr, 27SiMn, can be produced according to drawings or according to customer requirements. Case: Ningxia Tiandi Run Cow SGZ730/400 scraper conveyer, Zheng Coal machine long wall SGZ730/320 scraper conveyer. Models: Scraper 3TY-05, 2S001-00/6 Directions for use: As the bearing part of coal, fix the scraper on the chain (forming the scraper chain) and use it as the traction component. When the transmission part of the nose starts, it drives the sprocket on the nose shaft to rotate, so that the scraper chain circulates and drives the coal to move along the chute until unloading at the head. The scraper chain runs in a stepless closed loop around the sprocket.

The 7S001-35 hydraulic chain reducer is installed on the connecting casing between the main engine reducer and the motor, and the hydraulic motor drives the main engine reducer to achieve the purpose of tensioning the scraper chain. 7S001-35 hydraulic chain tensioning device is a kind of scraper chain tensioning device powered by hydraulic motor, which is composed of transmission box and hydraulic control system. The hydraulic control system includes control valves, filtration devices and piping, etc. Attention should be paid to the installation of 7S001-35 hydraulic chain fastener: 1. Before each tightening chain, the main engine motor cannot be powered on when the chain reducer meshing with the main engine reducer. 2. The hydraulic motor cannot be used as power transport material, otherwise it may cause premature damage to the hydraulic motor. 3. In the process of tightening chain, the materials on the main machine should be cleaned as far as possible. 4. Pay attention to the observation when tightening the chain, should understand that the scraper chain tension is increasing, remember not to make the chain too tight. The 7S001-35 hydraulic chain fastener belongs to the main engine accessories of Zheng Coal machine. When in use, please pay attention to cut off the power supply of the main engine motor and fix the scraper chain with the chain stopper. More scraper parts consultation attention Henan Shuangzhi