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介绍低成本小井眼钻井装置产生的背景、装备及自1994年6月以来的使用情况。该装置能钻直井和倾斜角为45°的斜井,能钻常规井(直径达17 1/2in),并可用大型装置连续取心(尺寸达6 1/4in),钻机承载能力100t,顶部驱动系统转速达400 r/min,钻深3500m。其机械式管子提升系统包括一套装在顶部驱动头内的液压夹紧装置和一套配有液压动力刹车(能刹住8in钻铤)可升降和伸缩的天车台。提升系统可适用于13 3/8in三根套管的立根。三缸泵、动力机组和发电机罩在隔音罩内。钻机和辅助设备按油田标准设计,所有压力管线额定值为5000 lb/in~2。防喷提升系统尤其适于钻斜井,液压吊车与钻台上的绞车装在一起提供钻机钻台上日常的设备提升操作。主要的钻井装置设置于6 m ISO标准容器内(包括泥浆罐),易于船运和港口装卸。该钻机配有井场计算机网络的计算机式钻机仪表系统,并通过液压绞车控制系统可灵活自动地操作钻井设施。
Describe the background, equipment and use of low cost slimhole drilling equipment since June 1994. The unit is capable of drilling vertical wells and inclinations up to 45 ° and is capable of drilling conventional wells (17 1/2 in. Diameter) and can be corollaryed continuously (up to 6 1/4 in.) With large units with 100t rig capacity and top Drive system speed of 400 r / min, drilling depth 3500m. The mechanical pipe lifting system consists of a hydraulic clamping device housed in the top drive head and a crane deck with hydraulic power brakes (capable of stopping the 8in drill collar) for lifting and telescoping. The lifting system is suitable for the rooting of three 13 3 / 8in bushings. Three-cylinder pump, power pack and generator cover in the enclosure. Drilling rigs and ancillary equipment are field-standard and all pressure lines are rated at 5,000 lb / in ~ 2. The BOP system is particularly well suited for drilling inclined shafts. Hydraulic cranes are mounted with winches on the rig floor to provide routine equipment uplift on the rig floor. The main drilling unit is housed in 6 m ISO standard containers (including mud tanks) for easy shipping and port handling. The rig is equipped with a computerized rig instrument system for the wellsite computer network and provides flexible and automatic operation of drilling facilities through a hydraulic winch control system.