bioherm

Reservoir of paleo-oil is mainly bioherm limestone. Bitumen mainly occurs in cavities and fractures, and also in matrix pores and biological coelomata.

古油藏的储集层均为生物礁滩灰岩，沥青的主要储集空间以洞、缝为主，其次为基质孔隙和生物体腔内。

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Furthermore, recognized shelf margin reef, grain bank, shelf margin bioherm and interbank sea these four facies and 12 subfacies.

并发育棚缘生物礁、粒屑滩、棚缘生物丘、滩间海4种相，12种微相亚相。

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basic characteristics of formation of bioherm and reef oil-gas pools in the south china sea

南海生物礁及礁油气藏形成的基本特征

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The experimental application of the high-density electric method to the detection of underground oyster bioherm

高密度电法探测地下牡蛎礁（滩）的实验

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Bioherm type comprises tower reef, patch reef, massive reef, platform-edge reef and atolls etc.

生物礁类型有塔礁、补丁礁、块礁、台地边缘礁、环礁。

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lh4-1 oilfield is a heavy oil field developed from the basis of the bioherm of miocene zhujiang formation.

LH4-1油田是在新近系中新统珠江组生物礁基础上发育起来的稠油油田。

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