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Correct selection of rock reamer hole openerTo choose the rock reamer hole opener, it is necessary to consider the different rock hardness, rock length, and drilling machine tonnage. The rock reamer h...

The significance of developing a toothed rock reamer hole opener:The workload of horizontally crossing rock layers is increasing.Having a high-quality rock reamer hole opener can improve the capabilit...

The tricone roller bit is an important extraction tool in the petroleum drilling industry, mainly used in environments where the rock formations are relatively wide. This product has a large power sup...

In the current market application, many roller cone drill bits flood the market, bringing a lot of difficulties for people's choices. However, traditional drill bit technology has market advantage...

Characteristics of rock reamer hole openerRock reamer hole opener is a new type of drill bit composed of a gear drill bit and a mud motor. It has the advantages of low vibration and can avoid the &quo...

Rock reamer hole openers and guided drilling for rock crossingThe guided drilling for rock crossing mainly includes simple construction method, double-wall drilling rod drilling method, pneumatic or h...

In order to improve the efficiency of rock drilling, prolong the service life of drill bits, reduce the number of trips and shorten the drilling cycle, and reduce the cost of drilling operations, a se...

PDC rock bit crown profile designThe crown profile design of PDC rock bits is based on three basic profiles: single cone, shallow cone and double cone. The single cone profile is mainly used in soft f...

The special structure technology and function of the oil-used roller cone bit In order to ensure the qualified and stable quality of the PDC cutter, the PDC cutter manufacturer must not only strictly ...

At present, the tricone bit market is no longer chaotic and has become standardized and orderly, and the market competition is developing in the direction of product differentiation, reputation and af...

1. Characteristics of roller cone bits(1) The use of high-toughness alloy teeth improves the ability of the teeth to resist impact and reduces the probability of broken teeth, and the soft stratum is ...

1. Model analysis of interaction between PDC rock bit and formation in directional wellsThere are many factors that affect the interaction between the PDC rock bit and the formation in directional wel...

Ⅰ. Logging work when the PDC rock bit is usedRetrieving cuttings is one of the important links in the field logging work, and it also provides basic conditions for the application of other logging me...

1. Force analysis of the interaction between a single PDC rock bit and rockIn the formation process of the PDC rock bit, the PDC piece needs to be obliquely inserted into the bit matrix. Therefore, du...

Ⅰ. Improvement of welding process of PDC rock bit1. Selection of welding materialsAccording to the requirements of the working conditions on the performance of the weld, and on the basis of referring...