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1. Introduction of water well drilling rig crawler The crawler of the water well drilling rig is composed of a crawler shoe and a crawler pin. The track pins connect the track shoes to form a track chain link. There are holes at both ends o

How to improve the production efficiency of hydraulic water drilling rigs? The following small series illustrate the use of preventive measures. 1. After the drill bit of the hydraulic well drilling rig is drilled into the structure, the ce

1. Damaged drill pipe: 1. In most cases, the fracture of the drill pipe belongs to the friction between the drill pipe and the hole wall, so that the wall thickness of the drill pipe is reduced, and the strength is too weak to cause the dri

Drilling is the use of mechanical equipment to drill holes in the formation. According to the rock breaking method and the type of drilling tool, it can be divided into drilling technology and rotary drilling technology. In geological explo

In August 2020, the photovoltaic industry once again attracted the attention of investors in the absence of relevant policies to stimulate the whole industry chain of the secondary market photovoltaic industry has ushered in a substantial i

Recently, in order to attract investment in the field of renewable energy, the Malaysian government launched the fourth round of tenders for national large-scale solar projects. This round of bidding projects has reached 1GW, which is the h

In fact, a long time ago, NASA found that white paint can reduce the peak roof temperature by an average of 24°C, but this result is not thorough enough, or extreme. Now, the latest research result published in the Joule magazine shows tha

The market research organization IHS Markit recently released a report that pointed out that with the significant cost reduction, oil and gas producers put the offshore exploration and development plan back on the agenda. In 2019, offshore

Dear all friend, The 130th session of Canton Fair will be held from October 15th to 19th both online and offline. The online fair provides a displaying platform, matchmaking and cross-border e-commerce service. Please click the following li

National brand, world-class, and also the only super-large construction machinery industry exhibition of 300,000 square meters to be held in the world in 2021-Changsha International Construction Machinery Exhibition (CICEE), which will be h

Hengwang Groups new wheel digging series 80 came out, with fully upgraded performance and greatly improved safety and comfort. Equipped with an oversized cab, the factory is equipped with standard heating and cooling air-conditioning, and t

Organized by CFTC - China Foreign Trade Centre (Group), the biggest complex trade show in China - China Import and Export Fair (Canton Fair) 2021 will welcome its 129th anniversary at China Import and Export Fair Pazhou Complex, Guangzhou d