FRACTURING TECHNOLOGY RESEARCH ON LOW PERMEABILITY RESERVOIR OF CHANGLING FALLING YAOYINGTAI BLOCK

Yao Hongsheng; Zhang Yawen; Zhang Wenzheng

doi:10.3969/j.issn.1000-7393.2005.04.023

Yao Hongsheng, Zhang Yawen, Zhang Wenzheng. FRACTURING TECHNOLOGY RESEARCH ON LOW PERMEABILITY RESERVOIR OF CHANGLING FALLING YAOYINGTAI BLOCK[J]. Oil Drilling & Production Technology, 2005, 27(4): 75-78. DOI: 10.3969/j.issn.1000-7393.2005.04.023

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FRACTURING TECHNOLOGY RESEARCH ON LOW PERMEABILITY RESERVOIR OF CHANGLING FALLING YAOYINGTAI BLOCK

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microfracture developed but closed at original state in changling falling yaoyingtai block, during fracturing, with the pressure increasing, the fracture has been opened and fluid flow capacity has been improved, but as pressure decreasing, fracture fluid leak off and fracture nearly closed. After office study and field experiment, using suspend plug and high sand concentration with little ceramsite to control fracture, advanced fracturing success ratio.

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FRACTURING TECHNOLOGY RESEARCH ON LOW PERMEABILITY RESERVOIR OF CHANGLING FALLING YAOYINGTAI BLOCK

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