Instructions For Use Of Non-magnetic Drill Collars

Instructions For Use Of Non-magnetic Drill Collars

Non-magnetic drill collarsNon-manetic Drill Collar are gradually becoming well-known due to their excellent performance. So how much do you know about non-magnetic drill collars?

(1) The integral drill collar is a smooth thick-walled round tube with connecting threads processed at both ends.

(2) The spiral drill collar has three right-hand spiral grooves processed on the outer cylindrical surface of the round drill collar to reduce the contact area with the well wall, which can effectively prevent the drill from being stuck due to pressure difference.

(3) Non-magnetic drill collars are mainly used for monitoring during oil drilling. The structure is the same as that of integral drill collars. Non-magnetic drill collars are made of N1310 low-carbon alloy steel. The material is forged after strict chemical composition analysis. The material has been tested for mechanical properties to ensure that the hardness, toughness, impact value and corrosion resistance meet the standards. It has good low magnetic permeability and good machining performance.