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, 1 mud filling line, mud return line elbow, in addition to sea water, fresh water line, steam line.1.1.2 Drill floor preparation1) Test run, and prepare the wellhead tool connecting the […]

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 higher melting point. In a high temperature environment, ordinary lubricating oils are often prone to melting, resulting in a decline in lubrication effect. By adding special additives or improved grease

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, etc. The main indicators to measure the drill bit are: bit penetration and mechanical drilling rate.Eight pieces of drillThe eight parts of the drilling rig are: derrick, crane, travelling block,

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 is divided into two types: impact type and non-impact type. Micro-step liner hanger hangs the liner from the upper casing by the liner seat and micro-step of the liner hanger.

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 pump – the maximum allowable output power of the pump (horsepower)N amount – pump rated power (horsepower)η machine – Mechanical efficiency (80%-85%)η volumetric efficiency (80%)(2) the practical power of the

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 is an indispensable and important link in the drilling and completion process, which includes casing (318) and cementing.Cementing technology is a multi-disciplinary comprehensive application technology, which has the characteristics of

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 is made up of a casing string connected by a casing collar. Casing strings are used to seal exposed rock in well walls. Oil well casing has its own special

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 additives refined. Since the steel wire rope has been pre-lubricated in the manufacturing process, the steel wire rope surface grease is mainly used to reduce the friction between the steel

Low temperature valve(Valve Guardian) is a valve that works in low temperature medium. Common low temperature valves(1250) are divided into low temperature butterfly valve, low temperature gate valve, low temperature ball valve, low temperature globe valve, low temperature check valve, low temperature throttle valve, etc., mainly used in ethylene, liquefied natural gas installation, natural gas

In the development and production process of oil and gas fields, oil and gas well pipes are in the underground environment of high temperature and high pressure, and are eroded by harmful gases such as carbon dioxide and hydrogen sulfide, which leads to serious corrosion of oil and gas well pipes, often resulting in pump