钻头规是种周长一定的环型物，它卡紧在钻头的周围，去检测和测量钻头是否磨损，即在钻井过程中是否减少了周长。
Bit gauges, rings of defined circumference, are slipped around drill bits to detect and measure wear, which reduces the circumference of the bit during drilling.
之后司钻上提整个钻柱，移去卡瓦，在开泵并旋转的同时小心地下放钻柱，当钻头接触到井底之后，重新开始钻进。
The driller then picks up the entire drillstring to remove the slips, carefully lowers the drillstring while starting the pumps and rotary, and resumes drilling when the bit touches bottom.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
本发明的夹头在拆卸钻头等被卡物件时能控制住钻头等被卡物件不会自动掉出，使用安全。
The chuck can hold the detached drill bit and other part to avoid falling off and ensure safety.
其实质是该磨钻头活动卡规是由主卡规和副卡规构成，卡心角与被卡钻头的锋角心位于同一条轴心上并在其卡规上设有指示刻度。
A clamping center Angle and the sharp Angle center of the clamped drill are positioned on the same shaft center, and the gauges are provided with indication graduations.
夹头上有转速传感器，钻孔中，卡钻头时可退出钻头。
On the chuck there is a speed sensor. In drilling when the bit is blocked the bit can be retreated.
还能对断钻头、断绳和卡钻三种故障进行检测和报警。
Onthe basis of above judgement, this system can also discover three kinds of accidents the drilling head break, the steel rope break and dr…
还能对断钻头、断绳和卡钻三种故障进行检测和报警。
Onthe basis of above judgement, this system can also discover three kinds of accidents the drilling head break, the steel rope break and dr…
应用推荐