CAJ | 학술논문

有机碳含量（TOC）的定量计算是烃源岩评价的基础，在准噶尔盆地致密油领域，常规方法计算烃源岩有机碳含量的精度已经满足不了测井评价的需求。因此，研究了利用核磁和密度测井资料定量计算烃源岩有机碳含量的一种方法。该方法计算结果与岩心实测结果吻合较好，精度较高，应用效果较好，满足了致密油领域烃源岩测井评价的需求。为致密油领域烃源岩的有机碳含量定量计算提供了一种新的测井评价方法，也为潜力烃源岩发育区跟踪、储层预测和资源量估算提供了必要的技术支撑。
유궤탄함량（TOC）적정량계산시경원암평개적기출，재준갈이분지치밀유영역，상규방법계산경원암유궤탄함량적정도이경만족불료측정평개적수구。인차，연구료이용핵자화밀도측정자료정량계산경원암유궤탄함량적일충방법。해방법계산결과여암심실측결과문합교호，정도교고，응용효과교호，만족료치밀유영역경원암측정평개적수구。위치밀유영역경원암적유궤탄함량정량계산제공료일충신적측정평개방법，야위잠력경원암발육구근종、저층예측화자원량고산제공료필요적기술지탱。
The quantitative calculation of total organic carbon (TOC) is the basis for evaluating hydrocarbon source rocks. In tight oilfield of Junggar basin, using the conventional method to calculate TOC of hydrocarbon source rocks can ’t meet the needs of log-ging evaluation. This paper mainly researched a method of quantitative calculating TOC by using nuclear magnetic logging (NML) and density logging (DEN). Having the benefits of good agreement with actual core logging results, high precision and good applica-tion effects, this method meets the demands of well logging evaluation of hydrocarbon source rocks in tight oilfield, thereby provid-ing a new logging evaluation method for quantitative calculation of TOC. Furthermore, this method provides necessary technical support for zone tracking of potential hydrocarbon source rocks, reservoir prediction and resource estimation.