在委内瑞拉东?打了很多口井,同时,多年来在降低钻井费用,加快钻井速度,提高钻井效率方面也取得了多方面的成绩。 这些成绩所带来的经济利益是显著的。1957年在圣达罗萨(麦莱古莱砂岩)油田,钻完、(占辶)成一口井的费用为540000多美元;到1973年,尽管通货不断胀胀,但 In the east of Venezuela, many wells have been drilled. At the same time, many achievements have been made over the years in reducing drilling costs, accelerating drilling speed and improving drilling efficiency. The economic benefits of these scores are significant. In 1957, the cost of drilling a well into a well in the Santa Darosa (Melegule Sandstone) field was more than $ 540,000. By 1973, despite the inflationary surge,