CAJ | 학술논문

受加里东期-海西期构造运动及持续海平面升降变化影响，塔河油田六七区沉积环境复杂多变，中下奥陶统鹰山组和下石炭统巴楚组发育陆屑-碳酸盐混积岩。结合岩心、薄片及测井资料综合分析，混积岩据混积强度分为混积型碳酸盐岩、混积型碎屑岩、高度混积岩。据沉积背景及沉积特征，混积岩成因类型可分为岩溶穿插再沉积型（岩溶型）和相缘渐变型（相变型）。其中，混积型碳酸盐岩和混积型碎屑岩为岩溶成因，高度混积岩为相变成因。此外，混积岩储集空间发育，储集类型主要包括原生粒间孔、次生溶蚀孔缝和构造裂隙，岩溶型混积岩较相变型混积岩储集性能较好。混积岩孔缝中见含油显示，相关油气意义值得进一步研究。
수가리동기-해서기구조운동급지속해평면승강변화영향，탑하유전륙칠구침적배경복잡다변，중하오도통응산조화하석탄통파초조발육륙설-탄산염혼적암。결합암심、박편급측정자료종합분석，혼적암거혼적강도분위혼적형탄산염암、혼적형쇄설암、고도혼적암。거침적배경급침적특정，혼적암성인류형가분위암용천삽재침적형（암용형）화상연점변형（상변형）。기중，혼적형탄산염암화혼적형쇄설암위암용성인，고도혼적암위상변성인。차외，혼적암저집공간발육，저집류형주요포괄원생립간공、차생용식공봉화구조렬극，암용형혼적암교상변형혼적암저집성능교호。혼적암공봉중견함유현시，상관유기의의치득진일보연구。
The six and seven area of Tahe Oilfield experienced complicated sedimentary environment and developed mixed deposition about debirs and carbonate because of Caledonian movement and Hercynian movement. The product of mixed deposition was divided into mixed clastic,mixed carbonate and high-mixed rocks via observation of core and slices.According to sedimentary background and characters,mixed deposition could be classified into two kinds:by gard-ual facies change(for mixed clastic,mixed carbonate)and by palaeokarst(for high-mixed rocks).Moreover, the peperite has a better reservoir property,the reservoir space include primary pore,which existed as intergranular pore of mixed clas-tic,and secondary pore,which was mainly corrosive void and structural fracture in mixed carbonate and high-mixed rocks that were more meaningful.Oil exited in the mixed product,which implied the reservoir meaning in the mixed deposition, and further research should be conducted.