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26th International Trenchless Technology Conference Suzhou CHINA

We will attend the 26th International Trenchless Technology Conference exhibition in Suzhou, China on April. 19. 2023 to April. 21. 2023. China International Construction Machinery, Building Materials Machinery, Mining Machinery, Engineering Vehicles and Equipment Expo, held every two years at th... Read More

Brief introduction of PDC and PDC bit history

Polycrystalline diamond compact (PDC) and PDC drill bits have been introduced to the market for several decades. During this long time PDC cutter and PDC drill bit have experienced many setbacks in their early stages, also experienced great development. Slowly... Read More

What is the difference between steel body and matrix body PDC bit

PDC drill bit is mainly made by PDC cutters and steel, conbining the good impact toughness of steel and wear-resistance of the polycrystalline diamond compact makes the PDC bit has fast footage in the drilling process. Steel body PDC bit has fast... Read More

What is Reverse Circulation Drilling

The Basics of Reverse Circulation Drilling Horizontal directional drilling isn’t something new. People drilled wells more than 8,000 years ago for subsurface water in hot and dry areas, just not with PDC bits and mud motors like we do today. There ... Read More

What Does Cone Bit Mean?

A cone bit is a tool made of tungsten or hardened steel that crush rocks during the drilling process. It is generally made of three rotating conical pieces with hard teeth that break up rock into smaller pieces. It is a commonly used tool in trenchless drilling operation... Read More

PDC PCD difference

PDC OR PCD DRILL BIT? WHAT’S THE DIFFERENCE? PDC drill bit means Polycrystalline Diamond Cutter core bit The earliest wells were water wells,shallow pits dug by hand in regions where water table approached the surface,usually with maso... Read More

What is the meaning of IADC code for the tricone drill bits

IADC code is short for “International Association of Drilling Contractors”. The IADC Code for Tricone Bits defines its bearing design and other design features ( SHIRT TAIL, LEG, SECTION, CUTTER). IADC Codes make it easier for drillers to describe what kind of rock bit t... Read More

WHAT ARE TRICONE BIT ELEMENTS?

Roller Cutter Bit / Roller Cone Bit What is a roller bit? Definition of roller bit. i. A rotary boring bit consisting of two to four cone-shaped, toothed rollers that are turned by the rotation of the drill rods. Such bits are used in hard rock in oil well boring and in ... Read More

Why tricone drill bits are most widely used?

Tricone Drill Bits are widely used in the well drilling industry when you have to go through softer and hard rock formations  Due to impact, crushing and shearing rock breaking when roller cone rotates,the contact are between cone and bottom hole is small,the specific pr... Read More

A WHO expert recently said that the available scientific evidence shows that 2019 coronavirus disease occurs naturally. Do you agree with this view?

All the existing evidence so far shows that the virus originates from animals in nature and is not artificially manufactured or synthesized. Many researchers have studied the genome characteristics of the virus and found that the evidence does not support the claim that ... Read More

What is your vision for the next phase of cooperation between WHO and China?

Regarding 2019 coronavirus disease, China's research and development capabilities can contribute to the development of global vaccines and treatments, and help provide its research and development results to all those in need. China ’s support in sharing experience, deve... Read More

High Representative: Although the new crown epidemic did not break out in Bosnia and Herzegovina, a coordinated response is needed to prevent corruption related to international assistance

Inzko said that Bosnia and Herzegovina is currently in the midst of the 2019 new coronavirus pandemic. Although it is too early to conduct a comprehensive assessment, so far, the country has apparently avoided the widespread outbreaks and major loss of life suffered by o... Read More
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