Energy Sector

1 Preparations before drilling1.1 Rig Installation1.1.1 Connecting PipelinesThe derrick is in place and connected to the following lines: 2 mud high-pressure hoses, 2 cementing lines,

Compared with ordinary lubricating oils, high temperature lubricating oils have a significant difference in coping with high temperature environment.First, high temperature lubricating oils have a

A brief explanation of common drilling termsDrill bitDrill bit（MacDrill）is mainly divided into: scraper drill; Cone bit; Diamond drill bit; Carbide drill bit; Special drill bit,

Micro-step liner hangerThe hanger is designed to suspend the liner string from the liner seat step in the upper casing by a micro-step. The tool

The common formulas of drilling operations(A) pump conditions – the maximum allowable output power of the pumpN allowable pump=N amount ×η machine ×η capacityN allowable

Cementing is the operation of running a casing into a well and injecting cement into the annular space between the hole and the casing. Cementing

Casing and casing stringOil well casing is made of high-quality steel seamless pipe or welded pipe, both ends are machined with conical threads. Most casing

Wire rope grease is made of organic thickener group and high viscosity refined mineral oil, and added with anti-oxidation, anti-corrosion(766), anti-rust, anti-extreme pressure and other