岩性尖灭线的识别与刻画，一直是隐蔽圈闭描述的难题。

The identification and characterization of lithologic pinch-out boundary is always a problem in the description of subtle traps.

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有许多术语用来描述圈闭的各种参数，下面罗列了这些术语的定义，并以最简单的圈闭类型—背斜圈闭为例解释了这些术语。

Many terms are used to describe the various parameters of a trap. these terms are defined as follows and illustrated with reference to an anticlinal traps the simplest type.

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利用精细油藏描述技术寻找剩余微型圈闭油藏并使之形成生产能力，是勘探成熟区滚动勘探开发的重要工作。

Using delicate reservoir description to look for residual miniature trap reservoirs, and making it productivity are an important task of rolling exploration and development at mature exploration area.

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