FRACTURE HEIGHT CONTROL BY ARTIFICIAL BARRIER IN HAILAER BASIN

doi:10.3863/j.issn.1674-5086.2009.01.017

西南石油大学学报(自然科学版) ›› 2009, Vol. 31 ›› Issue (1): 70-72.DOI: 10.3863/j.issn.1674-5086.2009.01.017

• 石油与天然气工程 • Previous Articles Next Articles

FRACTURE HEIGHT CONTROL BY ARTIFICIAL BARRIER IN HAILAER BASIN

HU Yong-quan¹ XIE Chao-yang² ZHAO Jin-zhou¹ LIU Bin² ZHONG Ling³

1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation，Southwest Petroleum University,Chengdu Sichuan 610500,China；2.Daqing Oilfield Company,Daqing Heilongjiang 163453,China；3.College of Chemistry and Chemical Engineering,Southwest Petroleum University,Chengdu Sichuan 610500,China

Received:1900-01-01 Revised:1900-01-01 Online:2009-02-20 Published:2009-02-20

Abstract

Abstract:

Fracture height control is the key technique to make successful hydraulic fracturing in Hailaer Basin because of a small stress difference between barrier and payzone formation.Firstly,stress distribution is obtained,which is induced by artificial barrier with certain thickness and stress strength (graduate) formed by buoyant/setting additive.Secondly,control equation of fracture height is established on the basis of type I crack propagation criterion in linear elastic fracture mechanism,and control role of fluid pressure in crack and effect of artificial barrier on fracture height are quantitatively described.Then,affections of artificial barrier is researched with computer simulation,hydraulic fracture height can be effectively controlled and it is proven from field case in Hailaer Basin.So,this method can be used in oilfield design.

Key words: Hailaer Basin, hydraulic fracturing, fracture height, artificial barrier, simulation

CLC Number:

TE357

HU Yong-quan XIE Chao-yang ZHAO Jin-zhou LIU Bin ZHONG Ling. FRACTURE HEIGHT CONTROL BY ARTIFICIAL BARRIER IN HAILAER BASIN[J]. 西南石油大学学报(自然科学版), 2009, 31(1): 70-72.

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FRACTURE HEIGHT CONTROL BY ARTIFICIAL BARRIER IN HAILAER BASIN

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