RVSP勘探炸药震源爆炸的数值仿真

郑宇; 李文彬; 王晓鸣; 房师欣; 王克波

doi:10.11883/1001-1455(2010)05-0472-07

RVSP勘探炸药震源爆炸的数值仿真

doi: 10.11883/1001-1455(2010)05-0472-07

1.
南京理工大学国防重点学科实验室,江苏南京210094;
2.
山东北方民爆器材有限公司,山东淄博255201

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出版历程
- 刊出日期: 2010-09-25

Hydrocodeanalysisofdynamitesourceexplosion inRVSPprospectingofpetroleum

1.
ZNDYof MinisterialKeyLaboratory,NanjingUniversityofScienceandTechnology,
2.
Nanjing 210094,Jiangsu,China;

More Information

Corresponding author: ZHENG Yu

摘要

摘要: 针对RVSP勘探存在的既要获得高的地震波能量,又要保证油井套管不被炸坏的矛盾,在理论分析的基础上,使用AUTODYN数值仿真软件,研究了油井材料对炸药能量传递的影响,得到了距离震源10m 处的质点振动速度和压力变化曲线;分析了炸药震源半径与油井套管的变形的关系;讨论了炸药震源长度与其能量传递以及油井套管变形的关系。开展了相应的实验研究,数值仿真与实验结果吻合较好。研究结果可以为RVSP勘探的工程应用提供参考和依据。
- 爆炸力学 /
- RVSP /
- 数值仿真 /
- 炸药震源 /
- 勘探 /
- 爆炸
Abstract: Toachievethatadynamitesourceshouldprovidehighseismicenergywithoutdestroyingthe oilwellinthereversedverticalseismicprofile(RVSP)prospectingofpetroleum,theoreticalanalysis wascarriedoutfortheenergytransferofthedynamitesourceandfiniteelementmodelsweredevelopedforthedynamitesourceanditssurroundingme iaintheoilwell.Numericalsimulationswere conductedbyapplyingtheAUTODYN-2Dsoftwaretoexploretheinteractionbetweentheoilwelland thedynamitesource.Thevibrationvelocityandpressurecurveswereobtainedfortheparticlelocated 10mawayfromtheseismicsourcetoinvestigatetheinfluencesofthemediaintheoilwellontheenergytransferofthedynamitesource. Effectsofthechargediametersonthedeformationoftheoil wellpipewereanalyzed.Andsomediscussionwasmadeontheeffectsofthechargelengthontheenergytransferofthedynamitesourceandthedeformationoftheoilwellpipe. Thecorrespondingexperimentwasimplementedtocomparewiththenumericalresults. Thenumericalresultsareconsistentwiththeexperimentalobservations. Theresearchcanprovidehelpfortheengineeringapplication oftheRVSPprospecting.
- mechanicsofexplosion /
- RVSP /
- numericalsimulation /
- dynamitesource /
- prospecting /
- explosion