The junk basket is used by the rig crew to store an assortment of relatively small parts of the drilling rig, ranging from drill bits to crossover subs to lifting subs to spare kellys.
杂物堆放柜是井队分类堆放相对较小的钻机部件的地方，从钻头到转换短节，到提升短节到备用方钻杆等。
The sequent wire-pulling is used in electric powered rig as it has smooth lifting system and cross wire-pulling is used in mechanical rig as balanced force relief impact force by compressed ai.
顺穿法一般在电动钻机上采用，主要考虑到电控操作提升系统比较平稳； 花穿法一般在机械钻机上使用，以受力平衡来缓解气控操作带来的冲击载荷的影响。
Drilling rig equipped with a main hoist, one vice hoist, main hoist for lifting drilling, downhole tubes.
钻机配有一个主卷扬机、一个副卷扬机。主卷扬机用于升降钻具、下井管等。
The tubing string lifting velocity of the conventional mechanic rig under each particular gear is constant.
常规机械式修井机每一档下的管柱起升速度为常量。
This standard specifies the technical requirements special regulations on the inspection lifting and laying down of self-erection mast of land rig.
本标准规定了陆地钻机自升式井架起放作业的检查、起升和下放技术要求及特殊规定。
Do not use tractors to replace the rig power system for mast lifting and laying down.
不应使用牵引车代替钻机动力系统进行起放井架作业。
Using the modal analysis method in this paper, the vibration characteristics of ZJ50J double-lifting mechanical driven oil drilling rig (patent No. 352466) is studied.
应用模态分析技术、振型截断法，对专利证书号第352466号的ZJ50 J双升式机械驱动石油钻机振动特性进行研究。
Using the modal analysis method in this paper, the vibration characteristics of ZJ50J double-lifting mechanical driven oil drilling rig (patent No. 352466) is studied.
应用模态分析技术、振型截断法，对专利证书号第352466号的ZJ50 J双升式机械驱动石油钻机振动特性进行研究。
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