Oil & Gas Geology ›› 1997, Vol. 18 ›› Issue (1): 65-69.doi: 10.11743/ogg19970112

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POOL FORMING CONDITIONS AND ACCUMULATED LAW OF HYDROCARBON IN LUDONG DEPRESSION,KAILU BASIN

Liu Bin1, Guan Xiaodong2, Lei Angui3, Zhang Hui3   

  1. 1. General Office of National Committee on Mineral Resource, Beijing;
    2. Institute of Petroleum Geology, MGMR, Beijing;
    3. Institute of Exploration and Development, Liaohe Petroleum Exploration Bureau, Panjin, Liaoning
  • Received:1996-09-11 Revised:1996-10-28 Online:1997-03-25 Published:2012-01-18

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Abstract:

Effective hydrocarbon source rocks developed in Ludong Depression Reservoir rocks are predominated by secondary solved pores with low porosity,low permeability and fine throat diameters Cap rocks are good Traps are mainly related to faults Nonlithologic traps of Upper Jurassic were formed in early Yenshan movement Vertical migration of oil and gas is the key to shallow Fuxin Formation reservoirs while lateral migration is the outstanding characteristics of oil and gas accumulation in deep Jiufotang Formation Faults play a key role in oil and gas accumulation in the area Traps developed areas in large sedimentary system aroumd hydrocarbon generating centre and central fracture structure zone are the main places for hydrocarbon accumulation