od 187mm kelly saver sub

Brand Name:TR Solids Control

Model Number:TRDQA

Place of Origin:Xi'an China

...tem. Not only acting as crossover sub, but also protecting lower IBOP. Top drive saver sub can be divided into general top drive saver sub and low temperature top drive saver sub. Our company provides varied, complete series of subs and joints, they are:

Brand Name:JS

Place of Origin:Hebei, China

...Sub Product Description Crossover sub is mainly used to connect upper and lower drill tools in different connectors in drilling operations. Also it can be used to protect other tooling in drill stem (called saver sub) or be used to deliver outgoing air to the bit face just above the bit (called bit sub). Crossover sub Description Upper Connection pat Lower Connection Part Type Kelly cross-over sub Kelly...

Brand Name:Lake

Model Number:All models

Place of Origin:China

... Kelly valve is connected between lower end of swivel and upper end of Kelly; the lower Kelly valve is connected between upper end of drill pipe and lower end of Kelly or connected between lower end of Kelly saver subs. The Kelly valve can be opened on or

Country/Region:china

... end of Kelly; the lower Kelly valve is connected between upper end of drill pipe and lower end of Kelly or connected between lower end of Kelly saver subs. The Kelly valve can be opened on or closed off by only turning the special operating wrench at 90°

Brand Name:ROSCHEN

Model Number:5’, 10’, 15’, 20’

Place of Origin:Germany

.... 3. Strick quality control. Rotary Subs: Roschen rotary subs include: Straight OD subs Reduced section OD subs Crossover subs Bit Subs Saver Subs Side Entry Subs Pump In Subs The rotary subs are available in standard sizes specified in API and in a