The first time, everything runs to its natural completion.

第一次，一切正常完成。

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A Middle East operator had a vertical natural completion and wanted to improve contribution percentage from each perforation tunnel.

一家中东地区的作业者，希望通过优化射孔来提高垂直井普通完井的油藏产量。

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Ultimately, most processes die of natural causes -- a program runs to completion.

最终大多进程都会因自然原因（即程序运行结束）而消亡。

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The weekly chart of the Natural Gas NYMEX futures shows the completion of a triangle formation, lines a and b.

FORBES: Natural Gas Is Heating Up

For secondary level there are two exams which certify the completion of first or second level, and assess knowledge on mathematics, social and natural sciences and philosophy (the number and content of subjects varies per level).

UNESCO: Country Profile: Chile

Over the last year alone, KMI stock has popped about 20% primarily due to the completion of the El Paso acquisition, which has given the company a slew of new interstate natural gas pipelines and increased operational synergies.

FORBES: Fayez Sarofim Ups His Bet On Kinder Morgan, The Company That Returns Him To Billionaire Ranks