Shale gas is mined from shale in natural gas, is an important unconventional gas resources. Compared to more conventional natural gas, shale gas development has a long life and exploitation of the advantages of long production cycle, most of the shale gas production and wide distribution, thickness, and generally containing gas, which makes shale gas wells to a stable long-term rate of gas production.
2013年7月29日星期一
Factory jobs shale gas
Large-scale application of horizontal well technology, and promote the development of the large U.S. shale gas development. Among them, the factory drilling and completion practices to promote the application in the development of shale gas plays a cost reduction, speed, efficiency and yield of an important role.
Factory drilling and completion operations are concentrated in the same area means arranged a large number of similar wells, using a large number of standardized equipment or services to the production or assembly line jobs ways drilling and completion of an efficient low-cost mode of operation. This model integrates fast-moving rig, pipelined synchronous well construction procedures, etc., can be remotely controlled, multi-coordinated operations, to achieve real-time multi-well site operations management. Factory drilling and completion breaking the previous drilling - Completion - back row - production model, the implementation of the order, sub-batch mode of operation, through two rigs drilling collaboration to achieve volume. One rig in order to complete the well sites have the same surface hole section well drilling and cementing operations, another fast-moving drill wells in order to complete the remaining sections of the well drilling and cementing operations, and so on, until all wells all operations. This mode of operation eliminates the need for a large number of cement WOC time and log time, improve drilling efficiency and reduce total operating costs.
Factory mode of operation drilling and completion operations are a major breakthrough, has been extended to shale gas and other Unconventional gas resources development. Meanwhile, with the development of unconventional oil and gas activities in the gradual global warming, industrial drilling and completion will be promoted on a global scale applications.
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