Map south china sea rigs vietnam today drill oil

• : The said it was monitoring events in Vietnam closely, and urged restraint from all parties. Secretary of State , who is also a former , said the United States is "deeply concerned" that China has placed an oil rig in an area of the South China Sea also claimed by Vietnam, adding that the move was "provocative" and "aggressive". [pdf]

China s first hydraulic rock drill

In 1986, Lianhuashan Drilling Tools Co., Ltd. introduced a full set of HYD200 hydraulic rock drill production technology from France Secoma Company and successfully produced China's first hydraulic rock drill. [pdf]

Sun Yueqiang Rock Drill Inventor Company

Following the in 1937, Sun decided to relocate the equipment of Zhongfu Coal Mine to . He persuaded the directors who originally opposed to the relocation, and moved most of the coal mine equipment to Sichuan through . Zhongfu Coal Mine became the only modern coal mine successfully relocated to Sichuan during the [pdf]

FAQS about Sun Yueqiang Rock Drill Inventor Company

Who invented rotary drilling?

Arthur L. Hawkesworth of the Anaconda Copper Mining Company developed the first extensively-used detachable rock drill bit. The rotary drilling method was improved with the use of diesel power. The first true horizontal oil well was drilled near Texon, Texas.

What are rock drilling tools?

Rock drilling tools are essential in mining for various tasks, including exploration, production, tunneling, and ground support. They range from Top hammer drilling tools and DTH drilling tools for drilling, to self-drilling anchor tools for stabilizing structures.

How did Sergeant Drill Company start?

Henry C. Sergeant started the Sergeant Drill Company to manufacture a rock drill he had invented, which included using compressed air to move the drill’s piston onto the steel in a hammering motion. Sergeant Drill Company later merged with Ingersoll Rock Drill to form Ingersoll-Sergeant Drill Company.

Who is Sun Yueqi?

Sun Yueqi ( simplified Chinese: 孙越崎; traditional Chinese: 孫越崎, 16 October 1893 – 9 December 1995), formerly known as Sun Yuqi or Sun Shifen, was an industrialist and politician in the Republic of China and later the People's Republic of China.

Who invented the Hoosac Tunnel drill?

Charles Burleigh, John W. Brooks, and Stephen F. Gates patented a mechanical drill meant to be used on the Hoosac tunnel: the compressed air Burleigh drill. The tunnel spurred several innovations in drilling technology, including the earlier Couch/Fowle drill.

Who is Guizhou sinodrills?

Guizhou Sinodrills Equipment Co., LTD (hereinafter referred to as Sinodrills) is an international market-oriented enterprise dedicated to providing a comprehensive solution for rock drilling tools. Its predecessor, DVY International, was established in 2002 and was registered as Guizhou Sinodrills Equipment Co., LTD in 2006.