1. Jianghan basin is one of the Tertiary-Cretaceous oil-bearing basins, in which evaporites are most developed, in China.

2. We mainly plant rice, wheat, cotton, oil-bearing plants and vegetables.

3. Combined with sand-body distribution character, oil-bearing formation heterogeneity and oil water movement, strategy for increasing oil production has been put forward.

4. Reservoirs had the characteristics of narrow oil-bearing belt, small thickness of single layer, small fault growing, small fault blocks and unconsistance of oil-water interface.

5. Chang 6 oil-bearing formation are mainly composed of gray or grayish fine sandstones and mudstone, belong to Yangchang formation in Hujianshan-Gengwan Area, Ordos Basin.

6. To certain extent, therefore, the thickness of the oil-bearing interval as well as the volume and permeability of the fracture porosity are also influenced by principal curvatures.

7. The main oil-bearing strata of the Taiping oil field is the lower Guantao Formation in Neocene, and its characteristic is a typical meshwork-carpet oil and gas accumulation system.

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8. Conclusion oil-bearing formation of Permian is distributing in the southwest of Tiaohu depressions and Malang depression.

9. As an unconventional one, low resistivity oil-bearing formation is affected by many factors and common logging interpretation method meets difficulty in evaluating the same formation.

10. The major sources of pollution were oil spills, discharges from refineries and natural seepage from oil-bearing strata.

11. Reaching these wells will involve linking the drill to sophisticated sensing devices which can detect oil-bearing formations.

12. Production of other crops also rose substantially - the important oil-bearing crops saw a rise of 13.8 percent during this period.

13. The fact that surrounding areas are rich in oil deposits has led to speculation that the Spratly Islands could be an untapped oil-bearing province.

14. Aim To recognize the complicated oil and water layers in Chang 2 oil-bearing formation of Donghan area in Dingbian oilfield.

15. The largest supply of vegetable oil comes from the seeds of soybean, cottonseed, and peanut, and the oil-bearing trees of palm, coconut, and olive.

16. Fine reserviors offen distribute in the verge while distribute little in the west of the center. Es33 is the main oil-bearing formation of 3rd member of Shahejie formation.

17. The target of geo-steering for the horizontal well is drilling oil-bearing formation with the largest thickness, and the operation feasibility should be considered.

18. The adsorption method is one of the main techniques in oil-bearing wastewater treatment for the purpose of environmental pollution control.

19. The primary asset of UTS is a 20 percent stake in a multi-billion-dollar project to develop oil production in Alberta, Canada, where there are vast deposits of oil-bearing tar sands.

20. An economic appraisal on the petroleum exploration and development in a small oil-bearing basin in China is carried out based on its geological and engineering appraisal.

21. It is indicated form drilling that Chepaizi swell is characterized by multiple oil-bearing zones, multiple reservoir types and multiple oleaginous grades.

22. By synthesizing these, Binzhou line and its north should be the favorable areas for oil - gas of Fu, Yang oil-bearing formation in Binbei region and be main area of next exploration.

23. Through shooting fast neutron and measuring spectral gamma-ray produced by neutron activation reaction, oil-bearing saturability of strata outside boring casing can be determined.

24. This technique is useful to solve the environment pollution of oil-bearing sludge and provides a new method to decrease the production cost and to tackle the oilfield in a comprehensive way.

25. Conclusion The studied formation is a monoclinal structure striking SE and oil-bearing layer developed.

26. This variation not only results in the cyclicity of basin evolution, but also the formation of multiple oil-bearing sequence of Meso -Cenozoic in Liaohe Basin and adjacent its areas.

27. Analysis results of a number of testing data indicated that: sandstone reservoir of Fu-Yang oil-bearing layer has lower composition maturity, mainly are feldspathic arenite and lithic arkose.

28. Through testing, the new concept of mud dynamic filtration is proposed and the testing measure and researching way are provided to optimize drilling mud for protecting oil-bearing formation.

29. Corresponding to water hearing shaly sands, the CRL phase angel of oil-bearing shaly sands is large. Meanwhile, it increases with the increasing oil saturation .

30. Ordos Basin is a large Mesozoic basin, which has rich energy resources and keeps completely Mesozoic strata in China. Yanchang Formation is one of important oil-bearing Formation.

31. Ordos basin is the second depositional basin and significant resource base in China. It is characteristic of widespread, mass oil-bearing stratum, great oil layer thickness and so on.

32. This variation not only results in the cyclicity of basin evolution, but also the formation of multiple oil-bearing sequence of meso-Cenozoic in Liaohe Basin and adjacent its areas.

33. According to hydrodynamic conditions, Binzhou line and its north are the favorable oil-gas accumulation areas of Fuyang oil-bearing formation in Binbei region.

34. Besides , concrete example analysis has been made on this technology aiming at different types of oil-bearing reservoir prediction.

35. Oil wells in peripheral Liaohe mainly concentrate in Kailu Basin, which is an oil-bearing basin and also rich in uranium.

36. Four sand sections can be recognized for F oil-bearing formation of impedance section.

37. The dispersion properties of water - hearing formation and oil-bearing formation are different.

38. Conclusion The fine strata classification and correlation of Chang 6 oil-bearing formation has a deep significance to the development of the Oilfield.

39. Spectral gamma-ray caused by inelastic neutron reaction can give information of carbonate and oxygen content, then oil-bearing saturability can be gained as well.

40. Oil recovery efficiency can be raised by injecting a lignosulfonate solution into the oil-bearing reservoir, for lignosulfonate is a kind of anionic surfactant.

41. Aim To study the sedimentary microfacies of Chang 6 oil-bearing formation and understand the relationship between sedimentary microfacies and oil-bearing possibility in the area of Nanniwan.

42. In the paper, the author takes the Qingshankou and Yaojia Formation (the middle oil-bearing formation) of the west slope of the South Songliao Basin for an example to discuss these two problems.

43. It is indicated from drilling that Chepaizi swell is characterized by multiple oil-bearing zones, multiple reservoir types and multiple oleaginous grades.

44. It may be concluded that the sedimentary facies, tectogenetic movement, the formation water and geothermic gradient are all important factors to form the oil-bearing sandstone.

45. Guan Jiapu area beach sea oil field main oil-bearing formation location whether last the third take town group, Guantao group and lay the third Shahe street group tomorrow.

46. According to this principle, we made a quantitative interpretation on thickness of oil-bearing sand bed in bottom member of Dongying formation in south Bohai sea.

47. Oil saturation is one of the important parameters to evaluate fluid property and oil-bearing occurrence in a reservoir, which is mainly calculated by geochemical pyrolysis value, porosity and so on.

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48. Result Design requirements for entering oil-bearing formation (5-8m in thickness ) can be achieved through elaborate construction and analysis without MWD and the like.

49. These methods are put into practical use with good results. The application of analytic tecnology to identify oil-bearing reservoir has the advantages of low cost, high speed and high accuracy.

50. The oil-bearing formation of Yan 2 block of Benbutu oil field is Jurassic Sangong River group, which is low porosity and low permeability.