Large diameter coring technology for shale oil exploration in Songliao Basin

doi:10.12143/j.tkgc.2019.01.008

Home > Archive>Volume 46, Issue 1, 2019 >45-50. DOI:10.12143/j.tkgc.2019.01.008

Large diameter coring technology for shale oil exploration in Songliao Basin
DOI:
                        10.12143/j.tkgc.2019.01.008
                    
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Author:
                        ZHU ZhitongZHU Zhitong
Institute of exploration techniques,CAGS,Langfang Hebei
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WU XiaolongWU Xiaolong
Institute of exploration techniques,CAGS,Langfang Hebei
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DONG XiangyuDONG Xiangyu
Institute of exploration techniques,CAGS,Langfang Hebei
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CAO LonglongCAO Longlong
Institute of exploration techniques,CAGS,Langfang Hebei
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HE GuoleiHE Guolei
Institute of exploration techniques,CAGS,Langfang Hebei
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ZHANG DejunZHANG Dejun
Shenyang Center of Geological Survey, CGS
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Affiliation:Institute of exploration techniques,CAGS,Langfang Hebei,Institute of exploration techniques,CAGS,Langfang Hebei,Institute of exploration techniques,CAGS,Langfang Hebei,Institute of exploration techniques,CAGS,Langfang Hebei,Institute of exploration techniques,CAGS,Langfang Hebei,Shenyang Center of Geological Survey, CGS
Clc Number:P634；P618.13
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Abstract:

The large diameter coring technology provides accurate and reliable core geological data for shale oil exploration. This paper mainly introduces the technical parameters of both Chuan7-4 and KT-194 conventional coring tools and ZYVC sealed coring drill tools, as well as the application of the core drilling tools in Well Songyeyou-2.In the process of coring, the technical measures were constantly improved which has contributed to the mechanical drilling rate, the core quality and the drilling efficiency, providing rich experience and methods for shale oil exploration and coring.

Key words:shale oil; large diameter coring; conventional coring; sealed coring; drilling efficiency

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History

Received:August 09,2018
Revised:August 09,2018
Adopted:November 22,2018
Online: January 15,2019
Published:

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