Generation depends on three main factors: the presence of organic matter rich enough to yield hydrocarbons, adequate temperature, and sufficient time to bring the source rock to maturity.
生成作用取决于三个主要因素：有机质的存在丰富到足够产生烃类；适宜温度与足够的时间使源岩达到成熟。
The burial history and thermal history of the outcrop are modelled firstly in China, and the organic matter maturity ro % of subsurface source rock is predicted by artificial changing burial trace.
本文在国内首次模拟了野外露头的埋藏史和地热史，并通过人工改变埋藏轨迹，预测了盆地内中侏罗统地下烃源岩的有机质成熟度。
Upper Paleozoic primary source-rock in Fuxian exploration area is a coal system with organic matter content and maturity, higher, which is the basis of Upper Paleozoic gas reservoir.
富县探区上古生界主力烃源岩是煤系，该煤系有机质含量和成熟度均较高，是上古生界气藏的基础。
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