11. Geochemical study on ordovician condensate pool formation of the qianmiqiao buried hill 12. There are five stages of cements in qianmiqiao buried hill carbonate strata 13. Tectonic evolution of chegu 201 buried hill and its relation to oil - gas reservoir forming 14. Analysis of natural gas genesis in buried hill condensate gas reservoirs of qianmiqiao 15. Comprehensive evaluation of the caprock of buried hill of budate group in beier depression 16. Seismic record numerical simulating and wave - field characteristic analysis of buried hill surface 17. Study on the drill - in fluid for small clearance under - balanced drilling in qianmiqiao buried hill , dagang 18. Prediction of fracture distribution of chengbei - 30 buried hill fractured reservoir in shengli oil field 19. Drilling technologies for accelerating the deep well drilling in the buried hill reservoirs of qianmiqiao 20. Probing and practice of acid fracturing technology used for qianmiqiao buried hill condensate reservoirs in dagang