Reamer block with cutter pocket holders

a technology of reamer blocks and pocket holders, which is applied in the direction of additive manufacturing apparatus, earthwork drilling and mining, construction, etc., can solve the problems of long lead time and expensive inventories for replacing broken reamer blocks

Pending Publication Date: 2021-07-01
SMITH INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes an invention that allows for multiple cutting tools to be used together with a tool bit. It achieves this by having two different types of holders - one holding cutters while another holds a rotating cutter.

Problems solved by technology

This patent describes how downhole drillings can involve drilling a pilot hole and then reaming it into an expanding size. However, there are also costs associated with purchasing and replacing worn out reamers that have been used during these operations. Additionally, some reamers cannot work properly due to their design.

Method used

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  • Reamer block with cutter pocket holders
  • Reamer block with cutter pocket holders
  • Reamer block with cutter pocket holders

Examples

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Embodiment Construction

[0016]This disclosure is generally related to devices, systems, and methods for reamer blocks and other expandable tool blocks. Reamer blocks may include one or more cutting elements. For example, a reamer block may include one or more rows of cutting elements. According to embodiments of the present disclosure, a reamer block may include a cutter pocket holder connected to a body of the reamer block. The cutter pocket holder may include a plurality of cutter pockets. Individual cutting elements may be inserted into the cutter pockets, and the cutter pocket holder connected to a reamer body. In this manner, a standard reamer body may be developed, and individual cutter pocket holders designed according to the unique conditions of a wellbore and preferences of an operator. This may reduce manufacturing costs, increase the ease of inventory management, and allow for customization of the cutting element profile and / or pattern.

[0017]FIG. 1 shows one example of a drilling system 100 for d

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PUM

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Abstract

A reamer includes a plurality of cutter pocket holders. The cutter pocket holders are separately manufactured and connected to a body of the reamer. The cutter pocket holders include a plurality of cutter pockets, into which cutting elements may be inserted. A radially rearward cutter pocket holder may include front-loading cutter pockets. Attachable cutter pockets may help to improve inventory management and decrease manufacturing costs of the reamer block.

Description

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Claims

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Application Information

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Owner SMITH INT INC
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