Gauge Cutter
Product Detail:
During drilling, completion, and repair operations, the smoothness of the inner diameter of the tubing directly affects the subsequent tool insertion, cementing quality, perforation operations, and long-term stability of the production tubing. If there is deformation, burrs, weld protrusions, or foreign object blockage inside the pipe column, it may cause tool jamming, downhole accidents, or even wellbore scrapping, resulting in huge economic losses. Therefore, as the "gatekeeper" for quality control of pipe columns, the Gauge Cutter plays an irreplaceable role in petroleum engineering.
The working principle of drilling caliper is based on strict size matching detection. Its main body is usually a cylindrical or stepped gauge body, with an outer diameter precision machined according to API (American Petroleum Institute) or customer specified column inner diameter standards. When testing, the Gauge Cutter passes through the test column under its own weight or external force. If it can pass smoothly, it proves that the inner diameter of the column meets the requirements; If there is obstruction or inability to pass, it indicates that the pipe column has reduced diameter, deformation, or internal defects, and further repair or replacement is needed. In addition, for special working conditions such as high-temperature and high-pressure wells, and wells containing corrosive media, the Gauge Cutter can be made of high-strength alloy steel, tungsten carbide coating, or corrosion-resistant coating to ensure that it can maintain high precision and long service life in harsh environments.
With the development of oil and gas exploration towards deep wells, ultra deep wells, and unconventional oil and gas reservoirs (such as shale gas and tight oil), the working conditions faced by pipe columns are becoming increasingly complex, and the requirements for the accuracy, durability, and functionality of Gauge Cutters continue to increase. In the future, integrated and intelligent diameter detection technology will become an industry trend, and our company's drilling diameter gauge products are always committed to meeting customers' high standard needs with innovative technology.
The working principle of drilling caliper is based on strict size matching detection. Its main body is usually a cylindrical or stepped gauge body, with an outer diameter precision machined according to API (American Petroleum Institute) or customer specified column inner diameter standards. When testing, the Gauge Cutter passes through the test column under its own weight or external force. If it can pass smoothly, it proves that the inner diameter of the column meets the requirements; If there is obstruction or inability to pass, it indicates that the pipe column has reduced diameter, deformation, or internal defects, and further repair or replacement is needed. In addition, for special working conditions such as high-temperature and high-pressure wells, and wells containing corrosive media, the Gauge Cutter can be made of high-strength alloy steel, tungsten carbide coating, or corrosion-resistant coating to ensure that it can maintain high precision and long service life in harsh environments.
With the development of oil and gas exploration towards deep wells, ultra deep wells, and unconventional oil and gas reservoirs (such as shale gas and tight oil), the working conditions faced by pipe columns are becoming increasingly complex, and the requirements for the accuracy, durability, and functionality of Gauge Cutters continue to increase. In the future, integrated and intelligent diameter detection technology will become an industry trend, and our company's drilling diameter gauge products are always committed to meeting customers' high standard needs with innovative technology.
Application:
As a core tool for quality inspection of drill string in the petroleum and natural gas industry, the Gauge Cutter is applied throughout various stages of drilling, completion, well repair, and production maintenance to ensure that the inner diameter of the drill string meets the standards and guarantees the safety and efficiency of downhole operations. Before key operations such as cementing, perforation, and fracturing, it is necessary to conduct a diameter inspection of the pipe string that has been lowered into the wellbore. The wellbore tubing may undergo local deformation due to transportation collisions, downhole pressure, or formation stress. The Gauge Cutter can accurately identify shrinkage, indentation, or scaling on the inner wall, preventing subsequent tools (such as packers and bridge plugs) from getting stuck when entering, reducing non production time (NPT) and accident handling costs. In oilfield operations, old pipe columns (such as recycled casing and drill pipes) often need to be repaired and reused. By using a Gauge Cutter, it can be determined whether the inner diameter of the pipe still meets safety standards, avoiding underground failure caused by hidden damage such as microcracks and stress deformation. For pipe columns with minor defects, targeted inner wall polishing or pipe expansion repair can be carried out, significantly saving material costs.
Grandtech Gauge Cutter has the following futures and technical specification:
Grandtech Gauge Cutter has the following futures and technical specification:
Features:
· high accuracy detection: Strictly designed according to API standards, with dimensional tolerances accurate to ± 0.1mm, ensuring that the inner diameter of the pipe column meets industry standards.Common defects such as ovality, diameter reduction, and weld protrusion of the detectable pipe column
· High strength material: Adopting high-quality alloy steel or tungsten carbide coating, with a hardness of HRC60 or above, wear-resistant and impact resistant, suitable for high temperature and high pressure environment underground · user-friendly design: Integrated or detachable structure, easy to carry and maintain.
Standard pull ring or threaded interface, compatible with various lowering methods such as drilling rigs and wire ropes
·Multi functional adaptation: We offer multiple specifications (such as 2-7/8 "to 13-3/8"), covering common casing/tubing sizes and supporting non-standard customization.
· High strength material: Adopting high-quality alloy steel or tungsten carbide coating, with a hardness of HRC60 or above, wear-resistant and impact resistant, suitable for high temperature and high pressure environment underground · user-friendly design: Integrated or detachable structure, easy to carry and maintain.
Standard pull ring or threaded interface, compatible with various lowering methods such as drilling rigs and wire ropes
·Multi functional adaptation: We offer multiple specifications (such as 2-7/8 "to 13-3/8"), covering common casing/tubing sizes and supporting non-standard customization.