LWD collar
  • Near Bit Drill Collar

    Near Bit Drill Collar

    There are three types of drill collars, ordinary drill collars, spiral drill collars, and non-magnetic drill collars. Ordinary drill collars are generally made of 4145H steel. Non-magnetic drill collars are made of non-magnetic materials and made of stainless steel. Therefore, non-magnetic drill collars are generally not painted. Spiral drill collars have spiral grooves throughout the body, which is very different in appearance from ordinary drill collars.

    near bit drill collar LWD Sub LWD collar
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  • Lwd Drill Collar

    Lwd Drill Collar

    Lwd Drill Collar is made of nonmagnetic material to monitor whether the borehole goes following the designed path to insure of accurate measurement.

    drill collar LWD LWD collar LWD collar shell
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