Reverse circulation drilling rig

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We don’t always know a lot about what is hidden in the bedrock beneath our feet. There is therefore a lot we can learn, and using specialist methods we can improve our knowledge significantly. For example, with RC drilling (reversed circulation) you can find out if the bedrock is strong enough to support construction or if you can extract materials from it. RC exploration drilling is a method used in exploration drilling. It helps you gain fast and reliable results about what is hidden down there in the bedrock. The method makes use of both hammer and rotation movements. The method works by using compressed air to extract rock fragments, known as drill cuttings, which can then be analyzed. To explain the method in another way: the RC pipe comprises an inner and outer pipe. Air is blown between the walls of the inner and outer pipes down to the hammer where the air forces the cuttings back up through the centre of the inner pipe: this means that cuttings are not mixed from different layers. Instead, you get an exact answer as to what the rock is made of at each level. This technique is used for depths down to 1000 metres. Samples are taken continuously during drilling, with around 12% of the cuttings going for analysis.

Transcript of Reverse circulation drilling rig

Page 1: Reverse circulation drilling rig

QualityProves Everything

China Leading Suppliers for Drilling Rigs & Drill Toolswww.drillpangolin.com

Page 2: Reverse circulation drilling rig

IntroductionChina Pangolin Intelligent Machinery Limited ( 中鉆智能機械有限公司 ) is the China leading supplier of underground drilling jumbo,water well drilling rig,surface blast hole drilling rig,reverse circulation exploration drilling rig,core drilling rig and underwater drilling. Our company is established and invested by several China top drilling rig manufacturers,is a comprehensive enterprise integrating designing, manufacturing, developing, sales and services in drilling equipment.

We focus attention on the drilling equipment industry and supply the China made top quality drilling machines to our worldwide customers.

Following the international trade practice and owing to a professional cooperation, our entire staff are ready to provide high quality customized machinery along with punctual delivery and all-around service.

Pangolin drilling equipment are working well in China,Africa,South America,the whole world.

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Pangolin 20,000 m2 worldclas warehouse is located in Xuanhua city where is150 km fromBeijing.

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Professional Team Makes Top Quality Drilling Rigs & Tools

Eng.Zhang / surface drilling rigWorked in Ingersoll Rand (China) factory over 20 years.He was the head of the surface pneumatic drilling rig CM351 (Atlas Copco Air Roc D50)production department.He developed the American drilling technology into Chinese drilling industry

Eng.Yuan / water well drilling rigMaster degree of Mechnical Automation.He was the chief mechnical consult of the China 1st drilling rig factory.He had reserched the technology and production for water well drilling rig over 25 years in China.

Eng.Liu / Quality ControlHave studied in Japan for quality control for 3 years.Worked in Ingersoll Rand (China) factory over 20 years.All the quality control standard is following the Japanese standard.

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Drill Pangolin all series drilling rigs and mining equipment technology with own Independent Intellectual Property Rights and are protected by State Intellectual Property Office of the P.R.C.We are proud of our good quality of drilling machines because of our strong powerful technology.