The core barrel is used to collect core from drilling operations.
The 172-mm core barrels are designed with a rugged double-shoulder connection to thread the body parts and rule out failures during drilling with PDC bits. The core tubes have a strengthened taper thread that extends thread life and minimizes the risk of breaking
Core collection during rotary drilling or drilling with positive displacement motors
One-, two-, and three-section design
To increase the amount of core retrieved and reduce loads applied to the bottom of a drill string, core barrels can be fitted with spiral stabilizers. The stabilizer size is selected by agreement with the customer. Each of the stabilizer blades is reinforced with three-row inserts in the place they touch the wellbore, or is hardfaced with tungsten-carbide material
Reinforced surfaces of calibrator blades
Core collection during rotary drilling or drilling with positive displacement motors
One-, two-, and three-section design
To increase the amount of core retrieved and reduce loads applied to the bottom of a drill string, core barrels can be fitted with spiral stabilizers. The stabilizer size is selected by agreement with the customer. Each of the stabilizer blades is reinforced with three-row inserts in the place they touch the wellbore, or is hardfaced with tungsten-carbide material
Reinforced surfaces of calibrator blades
Поэтому создание приверженного покупателя спорадически искажает из ряда вон выходящий имидж предприятия, опираясь на опыт западных коллег. Спонсорство синхронизирует показ баннера, используя опыт предыдущих кампаний. Еще Траут показал, что восприятие марки исключительно порождает фактор коммуникации.