spiral drill collar non magnetic

Brand Name:Pangolin

Place of Origin:Hebei China

... manganese alloy steel. It is refined after strict chemical composition and achieved its mechanical properties by forging. When the magnetic field strength is 1 × 105 / 4π A / m, the relative permeability μr≤1.010 of the non-magnetic drill collar. The

Brand Name:Pangolin

Place of Origin:Hebei China

Non Magnetic Oil Rig Drilling Spiral Drill Collar Spiral Drill Collar Non Magnetic Drill Collar For Oil Rig Drilling Advantages Since all magnetic measuring instruments can sense the geomagnetic field in the borehole when measuring the borehole direction, the measuring instruments must be in a non-magnetic environment. However, in the drilling process, the drilling tool is often magnetic and has a magnetic field, which affects the magnetic

Brand Name:ROSCHEN

Model Number:6.750”, 8.75", 9.5"

Place of Origin:China

...used while running the magnetic survey instruments to be located in a NMDC of sufficient length to allow the measurement of the earth's magnetic field without magnetic interference. Survey instruments are isolated from magnetic disturbance caused by other

Place of Origin:China

Brand Name:SHUGUANG

The surface finish of slick drill collar shall be hot-rolled and mill –finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly, equal pressure, with less differential ...

Brand Name:TR Solids Control

Model Number:TRDT

Place of Origin:Xi'an China

.... The drill collars are manufactired strictly according to API Spec7-1 and Standard SY5144. We supply slick drill collars, spiral drill collars and non-magnetic drill collars. Their sizes are from 3-1/8 to 11 inches. Besides the drill collars in the

Place of Origin:Jiyuan, China (Mainland)

Brand Name:KY

... of 285-341HB and a charpy “V”notch impact value of 54 joules are guaranteed one inch below the surface When enquiries or orders,please specify: Slick or spiral ;

Model Number:All types

Place of Origin:China

...Spiral Drill Collar And NMDC Non Magnetic Drill Collar Drill collars are extra-heavy integral tools used to concentrate weight onto the drill bit so as to produce sufficient force for the drill bit to break rock efficiently while drilling. They are made of AISI 4145H or 4145H modified steel and are connected between drill pipes and drill bits. Our drill collar...

Place of Origin:China

Brand Name:Kangyu

Model Number:ZH-JZ55-5 1/2FH

Drill Collar features: • High quality, unique material • Special medium frequency heat treatment method • Meet the requirements of API SPEC7-1 • Aadvanced super magnetic method and mechanical properties •Strict quality management system •We can provide the common drill collar, Spiral drill collar,and non-magnetic Drill Collar...