.

Slick/Spiral Drill collar,Non magnetic drill collar,NMDC,API 7-1 standards.4145H or P530,P550 optional.

Orchid Energy can provide three types of Non Magnetic Drill Collar: Non Magnetic Slick Drill Collar, Non Magnetic Spiral Drill Collar, Non Magnetic Flex Drill Collar, Pony Collar.(P530,P550 material etc)

Non Magnetic Drill Collar (NMDC) are made from low-carbon stainless steel as API specification and implementation of SY/T5144 standard, which can be cold thread rolling, machine special double shoulder thread and do as other specifications request. Non Magnetic Drill Collar are as a housing for MWD tools and also could provide weight for drill string.

Test and Inspection carried out on each bar: Chemical Composition, Tensile Test, Impact Test, Hardness Test, Metallographic Test, Corrosion Test, Ultrasonic Test over the whole length of the bar, Relative magnetic permeability Test, Hot spot Test, Dimensional Inspection.

Slick/Spiral Drill collar is produced by AISI 4145H modified quenched and tempered steel as API specification and implementation of SY / T5144 standard, which can be cold thread rolling, copper or phosphate processing, machine special double shoulder thread and other specifications.

Slick/Spiral Drill collarFeatures & Benefits:
Pressed steel thread protectors are supplied for drill collar;
Stress relief groove & bore back Box applied if needed;
Hardbanding material ARNCO 100XT,ARNCO 300XT,TCS8000 applied if needed;
Slip and elevator recess are machined in accordance with API7-1;



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