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                            當前位置:首頁 > 鉆頭產品
                            CQT405
                            發布時間:2014-8-27 8:48:07 閱讀:2008次 【字體:

                            雙錐形冠部往那方面拉扯設計;

                            中等粒度天然金剛石切削齒;

                            適用於中到時候中硬地層,適用性十∞分廣泛。


                            鉆頭

                            鉆頭參數

                            SPECIFICATIONS

                            推薦鉆井參啊數

                            RECOMMENDED OPERATION PARAMETERS

                            尺寸

                            SIZE

                            流道面積

                            TFA

                            保徑長度

                            GAGELENGTH

                            取心筒尺寸╲

                            COREBARREL SIZE

                            排量

                            HYDRAULIC FLOWRATE

                            轉速

                            ROTATION SPEED

                            鉆壓

                            WEIGHT ON BIT

                            (in)

                            (in2)

                            (in)

                            (in)

                            (l/s) (gpm)

                            (rpm)

                            (KN)(000lbs)

                            6

                            0.1-1.0

                            1

                            4-3/4*2-5/8

                            6-13 100-200

                            60-200

                            23-75 5-18

                            8-1/2

                            0.15-1.5

                            1-1/2

                            6-3/4*4

                            11-20 180-320

                            60-200

                            45-113 10-25

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