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N.D/BALLASET BITS |
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D series bit adopt the superior natural diamond cutters to sinter furnace on the erosion-resistant bit body. It penetrates in the high abrasion formation by plough or shear, for example in the granite and quarts drilling.
 S series bits use synthetic thermally-stabled Ballaset Cutters(TSP), which are sintered directly into the matrix. The cutters are triangular or round with the size of 1 stone/carat to be selected. Compared with conventional formation and thermally stable up to 1200°. TSP bit can drill formation by shear, plough and grind. The self-sharpening TSP can effectively drill medium hard formation with IADC 517-737, which have high compressive strength and medium abrasive. The excellent drilling results will be obtained especially in limestone, dolomite, silt-stone and anhydrite.
By CAD, CSC can get the exact design of cutter layout, location density and total fluid area(TFA), fluid course arrangement (feeder/collector or radial fluid course) to match various formation and drilling condition. These buts are able to get efficient cleaning and cooling, better ROP and footage in the hard formation drilling , especially in the deep well and heavy mud density well. |
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| S248 |
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Double cone crown profile.Suitable for medium hard with high compressive strength formations well in carbonate and consolidated formation. |
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| S225 |
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cone crown profile,1/ct triangle Double ballaset cutter.Suitable for drilling in soft to medium hard carbonate or medium abrasive rock formation.Can be used on rotary or down hole motor drilling. |
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| D41 |
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“B” shape crown profile.Suitable for hard and consolidated formations with medium abrasive and high compressive strength. |
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| S725 |
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Short parabolic profile,1/ct round ballaset cutter.Suitable for medium hard carbonate or medium abrasive sand. |
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