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How to classify core barrels? A section of pipe connected to the upper part of the drill bit to accommodate and protect the core during core barrel. This article will introduce the classification of core barrel. This article contains the following:n What is core barrel?n Single layer core barreln do


18

2020-06

How important wireline core barrels are?

Wireline core barrels have many advantages and can be used in so many ways. They play an important role in mineral exploration. They are also fully compatible with other corresponding systems and always have available spare parts .

12

2020-06

What's wireline core barrel used for?

The core barrel plays an important role in diamond drilling because it is used to recover the core. Today, most diamond drillers use cable core drillers, which have become the standard for high-yield core recovery. To provide more convenience, they are fully compatible with other corresponding systems and spare parts are always available. But this is not the only application of wireline core barrel, through its special structure, it can provide a lot of application.

08

2020-06

Design and operation of an extended core barrel.

The extended core barrel's (XCB) coring system is used in sedimentological, climate, and paleoceanographic studies. Extended core barrel is usually used when the formation becomes too hard for the piston core or when its hardness is not sufficient to allow the use of the rotary core barrel (RCB) for effective harvesting.

05

2020-06

How to stabilize core barrel?

The core barrel assembly is the equipment that is used to recover core, and plays a very important role in the diamond drilling operation. The success of an operation depends on retrieving core efficiently´╝îso it is well worth looking at it in detail.

29

2020-05

What's coventional core barrels?

Cores are defined as cutting and removing cylindrical rock samples from a wellbore. Coring provides the operator with a relatively undamaged sample or cross section of the reservoir rock. By obtaining cores, geologists can study the porosity and permeability of underground rocks. Conventional coring and sidewall coring are the two most commonly used coring methods. Conventional coring uses a component called a "core barrel" that consists of a drill string that extends to the bottom of the hole. The core tube has a hollow inner tube, and the outer tube and drill string rotate around it and remain stationary. To reduce damage to the core, the operator can use a fiberglass cover or rubber cover. Special core drill is used for cutting. The hole surface of hollow drill has natural diamond or PDC cutting surface.

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