Float collar Cement filling type 550-650 Box thread LTC (or as the request of user)

Descriptions of Float collar Cement filling type 550-650 Box thread LTC (or as the request of user):

Float collar and float shoe are kind of casing coupling and guide shoe which can create buoyancy.

Specifications:

Xi’an ATO International Co., Ltd. was founded in 2008, belongs to ATO Group, which is located in Xi'an, China. We are engaged in export of  drilling equipment and spare parts for upstream oil field over ten years.