The Technology of Comprehensive Evaluation after the Fracturing Based onUnascertained Mathematics Theory

doi:10.3863/j.issn.1674 – 5086.2011.04.033

西南石油大学学报(自然科学版) ›› 2011, Vol. 33 ›› Issue (4): 173-176.DOI: 10.3863/j.issn.1674 – 5086.2011.04.033

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The Technology of Comprehensive Evaluation after the Fracturing Based onUnascertained Mathematics Theory

GUO Da-li1， ZHU Kai1， CHEN Chao-feng2， ZHANG Tian-xiang3， JI Yong1

1. School of Mathematics and Physics， Southwest Petroleum University， Chengdu， Sichuan 610500， China； 2. The ExplorationCompany， Xinjiang Oilfield Company， Karamay， Xinjiang 834000， China； 3. Research Institute of Oil Production Technology，Xinjiang Oilfield Company， Karamay， Xinjiang 834000， China

Received:1900-01-01 Revised:1900-01-01 Online:2011-08-20 Published:2011-08-20

Abstract

Abstract: With the development and application of hydraulic fracture technology， a method which could evaluate
the underground hydraulic fracture economically and properly is urgently needed on the spot. As the results of the
current various technical assessment are uncertainties， inconsistencies and the immaturity of the technology itself，
this paper has researched on the comprehensive evaluation problem of hydraulic fracturing， put out the model to
comprehensively evaluate the associated fracturing parameters， such as the fracture length， the fracture height，
the fracture width， the fracture conductivity， the fracture closure pressure， the comprehensive fracturing fluid loss
coefficient， etc. and offered the solutions of the model which takes the various certainty information， uncertainty
information， fuzzyinformationandgreyinformationallintoconsideration. Atlast， theapplicationisalsodiscussed，
and its effectiveness and practicality have been showed by examples.

Key words: hydraulic fracturing, after fracturing, comprehensive evaluation, unascertained mathematics theory, parameter

CLC Number:

TE357.1+1

GUO Da-li;ZHU Kai;CHEN Chao-feng;ZHANG Tian-xiang;JI Yong. The Technology of Comprehensive Evaluation after the Fracturing Based onUnascertained Mathematics Theory[J]. 西南石油大学学报(自然科学版), 2011, 33(4): 173-176.

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The Technology of Comprehensive Evaluation after the Fracturing Based onUnascertained Mathematics Theory

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