SHANDONG SAIGAO GROUP CORPORATION

Introduction of Drilling Tools(4)

Milling tools

1. Milling

Milling is used to grind metal objects at the bottom of the well, trim the fish crown, and sometimes to grind shorter stuck drill collars and drill rods.


Milling


1) The role of mills

Trim and grind the top of the fish; grind stuck pipes, rods, and downhole tools. It has obvious effect on the repair andmilling of staggered fractures of casing damaged wells.


2) Classification of mills

The mills are divided into flat sole grinding shoes, concave sole grinding shoes, tapered (pear shaped) grinding shoes and guide collar eye grinding shoes.


Classification of Mills


2. Mill shoe

Mill Shoe


Mill shoe is a tool for over-milling operations and milling falling objects. It is used for drilling and removing the rock, sand, cement and other deposits around the falling fish in the well during the milling operation. It can also be used to trim the top of the fish.


Mill shoes are used for annulus milling, overmilling, and flushing of stuck process pipe strings and downhole tools to remove jamming and open channels, creating necessary conditions for fishing.


Types of mill shoes are: A, B, C, D, E, F, G, H, I, J, K, L, M, N types.


Types of Mill Shoes


PRODUCT

Contact Us

sales@saigaogroup.com susan@saigaogroup.com
+86-531-69959201
lqg18653457231
+86 18653457231
Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China

Contact Us

sales@saigaogroup.com susan@saigaogroup.com
+86-531-69959201
Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China