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Ⅰ. PDC rock bits dominate the marketThe PDC rock bits (polycrystalline diamond compact bit) became the main force in rock breaking as early as 10 years ago, and gradually replaced the roller cone bit...

In oil drilling, it is very important to choose different toothed roller cone bits according to different formations, which is related to the drilling rate and ultimately affects the drilling cost per...

1. The specific application of the tricone bitThe tricone bit is a metal-sealed rolling bearing, which can stably drill at medium-low WOB and medium-high rotational speed, and is an ideal choice for t...

Ⅰ. The influence of drilling pressure on the roller bit drillingWOB is a necessary condition for rock breaking at the bottom of the well. The size of the WOB determines the method and characteristics...

Ⅰ. Detailed description of deep hole drilling processing of rock bits1. When the shank is limited by the aperture, the length is large, resulting in less rigidity and low hardness. It is prone to vib...

1. The influence of different formation lithology on the failure of roller cone bitsThe influence of formation lithology on drill bit failure is reflected in drilling skills: it affects the drilling s...

1. The presence of gravel in the formation damages the PDC bit2. There are many hard interlayers in the formation, which damages the PDC bitDuring the drilling process of the PDC bit, it drills from t...

The insert tricone roller bit is under the effect of the weight on bit and the rotation of the drill string. After the teeth are crushed, they also eat into the rock, and at the same time, there is a ...

1. Conditions of use of the tricone roller bitThe use conditions of the tricone bit are very important, and it is the premise of a good work of the bit. Before use, you need to read carefully about th...

Ⅰ. Manufacturing process of PDC cutterThe manufacturing process of PDC cutter mainly includes two stages:1. Manufacture of PDC cutter: The PDC cutter is sintered at high temperature (1000～2000℃) and hig...

Ⅰ. Selection of PDC cutter material1. Reasonable selection of PDC granularityThe choice of PDC grain size is related to the processing conditions of the tool. For example, when designing a tool for f...

1. Development of PDC cutterAs a superhard tool material, diamond has been used in machining for hundreds of years. In the process of tool development, from the end of the 19th century to the middle o...

PDC Core bits play an important role in geological exploration and are commonly used in the drilling construction industry.Ⅰ. Introduction of PDC Core bitThere is no significant difference between PD...

1. What is the purpose of a reamer?A reamer is a rotary tool with one or more teeth that is used to remove small layers of metal from a hole's machined surface. The hole is reamed to a specific si...

The roller cone bit should be performed as follows:1. The roller cone drill bit is activated near the well's bottom, and the pump's displacement is gradually increased to the required level.2....