The fishingsteps are:(1) The lower lead mold is used for underground exploration to understand the position and shape of the falling objects.(2) According to the falling object situation and the size of the falling objec…

The main functions of Drilling:1. To obtain underground physical data, that is, take the core from the drilling core, core, cuttings, liquid, gas, and so on.2. As a geophysical logging channel, obtain data on various geo…

Sleeve MillingWhen the tool is lowered to the fish top for 2-3m, start the pump to wash, slowly lower the drilling tool to the fish top, add 10-20kn of WOB, and control the rotation speed within 50-100r / min. the displa…

In the face of the market, if you choose to wait, the opportunity will pass by; in the face of the opportunity, if you work hard, you will have room for survival. The market has always operated in this way. It favors the…

What are the main precautions forreverse circulating junk basket?1. It can not be used in the formation with high hardness;2. The inner diameter of the fishing basket shall be greater than the maximum outer diameter of t…

The middle rod of the mud pump is one of the important parts of the power end. Its function is to transfer power to the hydraulic end. The surface of the middle rod material is chrome-plated, and the surface is smooth af…

The Concept of Frac Tree:The frac tree is an important part of the fracturing equipment, which is mainly composed of multiple fracturing gate valves and fracturing heads.The Main Role of theFrac Tree:Input from multiple …

Sucker rod pump is the most widely used mechanical oil production technology in the world. At present, 90% of the total number of oil wells in the world are produced by machinery, of which 85% are pumped by rod pump, and…