In the oil-field development enterprise, the special petroleum equipment holds the great proportion in the fixed asset, it is vital significant how to complete the equipment selecting and purchasing, formulates a set of scientific investments appraisals mechanism. 在油田开发企业中,石油专用设备在固定资产中占有较大的比例,如何做好设备的选购,制定一套科学的投资评价机制,具有重要的意义。