In carbonate formations, the acid dissolves the entire formation matrix.

在碳酸盐地层中，酸对地层整体进行溶解。

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This paper gives the example of the technique applied to carbonate formations in the Ordos area.

本文给出了在鄂尔多斯地区碳酸盐岩地层中的应用实例。

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An acid type commonly used in oil - and gas - well stimulation, especially in carbonate formations.

在油井和气井增产措施中(特别是在碳酸盐地层中)普遍使用的一种酸。

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It has old crystalline rocks from several hundreds of millions of years ago up to more recent formations of rocks including one of the largest Alpine Triassic carbonate successions, which has rich fossil remains.

UNESCO: MEDIA SERVICES