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31. These 3 kinds of fracturing fluids may seriously contaminate Putaohua reservoir. The damage rate of sesbania gum, fenugreek gum and guar gum were 27.89%, 18.51%, 26.06% respectively.

32. Matrix pores develop little, so acidizing method cannot improve reservoir property. Fracturing stimulation is recommended.

33. Hydraulic fracturing technology is optimized using the technique of filtration reducing by fine pottery clays and fracture height control.

34. To choice wells for fracturing, the wells with greater effective permeability and effective thickness should be targeted.

35. Macroscopic deviations from isotropy occur due to bedding, schistosity and also sometimes fracturing.

36. On the basis of the diffusion equation and Green Function, a new model for productivity test of horizontal well after hydraulic fracturing was derived by the superposition principle of potency.

36. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.

37. The fracturing pump is the Key equipment used in fracture acidizing technique to enhance oil - gas recovery.

38. Moreover, the loading area at the end of foundation piles, the effective length and lateral friction of piles are also greatly improved by base enlargement and mud-cake fracturing.

39. A new kind of gelatinizer(CJ2-9) is developed and formulation of the acidic fracturing fluid is confirmed in the paper.

40. The water injection well of sandstone reservoir may succeed more than production well if taking acid fracturing treatment because reducing of effect closed pressure on acid etching fracture.

41. A new two - term deliverability equation is proposed to theoretically compute open - flow gas well after fracturing.

42. This technique is important in verifying accuracy of traditional method, improving fracture testing level, and improving fracturing techniques and oilfield development.

43. Hydraulic fracturing has become a common and quite effective well stimulation technology to explore and develop low permeability reservoirs.

44. Methods:We observed the microvascular ultrastructure in the glioblastoma tissue using scanning electron microscopy conventional ultrathin section and freeze fracturing replica technique.

45. Filtrateloss parameter of acidizing fluid is one of the key parameters to determine fracture geometry and the time of closed fracture in fracturing and acidizing design.

46. Using anti-9:00 rhombus pattern, through advanced injection, optimize fracturing technology to increase production of single well can be achieved Baibao High oilfield Chang6 reservoir development.

47. Producers have boosted supplies and recoverable reserves in the United States by combining horizontal drilling with hydraulic fracturing, also called fracking, to produce gas from shale formations.

48. The analysis results can help to improve fracturing technology and increase the ultimate recovery factor.

49. Although the testing peak production can increase when enhancing the fracturing intensity, the steady production of every well depends on the product of net pay and permeability of reservoir.

50. Hydraulic fracturing is effective well stimulation in low permeability reservoir.

51. Taking a successful experience in a drilled well as an example, this study finally concluded that the refined acid system and acid fracturing technology adapt well to the Puguang Gasfield.

52. Hydraulic fracturing has been unsuccessful because of coal bed and soft formation in Baolang Oilfield.

53. Due to the poor physical property and large magnitude of thin pay zones, it is very difficult to apply fracturing remold.

54. Fracturing is a absolutely necessarily method for Daniudi upper Paleozoic sandstone gas reservoir to be put into production because of its compact reservoir.

55. The conclusion, through tests, was researched that monthly increased oil production of fracturing wells in oil fields are subjected to the logarithmic normal distribution.

56. However, both full and empty bottles are theoretically capable of fracturing the human neurocranium.

57. As an example, the failure probability and design reliability of the valve chamber on Model YLB-1000 fracturing pump are analyzed, and the critical points are indicated.

58. The selection of resin and curing agent and the equipment and the technology are discussed for manufacturing resin coated sand as proppant for hydraulic fracturing.

59. The research work in the field of acidizing and fracturing have been done for about 30 years by RINGT, PetroChina Southwest Oil and Gasfield Company.

60. Mr. Howarth included methane losses associated with flow-back and drill-out processes in hydraulic fracturing and other unconventional gas drilling techniques.