CAJ | 학술논문

油页岩原位开采技术是未来进行油页岩大规模商业化开发的必然趋势，其中，流体加热技术因加热速度快、可充分利用干馏气、技术相对成熟等优点而被广泛关注。针对目前国内外油页岩原位开采流体加热技术存在的一些问题，提出了一种流体加热新思路，即采用水平井分段压裂和过热蒸汽辅助重力驱组合技术开发埋藏较深（300~1000 m）的油页岩资源，其主要原理是通过在水平井分段压裂形成的复杂网状裂缝中注入高温过热蒸汽加热油页岩储层，并逐渐将干酪根裂解转化为液态烃，产生的液态烃在重力作用下通过裂缝流入生产井，然后通过常规方法采出。以山东龙口黄县盆地油页岩为例，提出了新流体加热技术设计方案，对今后进行先导试验有着重要的参考价值。
유혈암원위개채기술시미래진행유혈암대규모상업화개발적필연추세，기중，류체가열기술인가열속도쾌、가충분이용간류기、기술상대성숙등우점이피엄범관주。침대목전국내외유혈암원위개채류체가열기술존재적일사문제，제출료일충류체가열신사로，즉채용수평정분단압렬화과열증기보조중력구조합기술개발매장교심（300~1000 m）적유혈암자원，기주요원리시통과재수평정분단압렬형성적복잡망상렬봉중주입고온과열증기가열유혈암저층，병축점장간락근렬해전화위액태경，산생적액태경재중력작용하통과렬봉류입생산정，연후통과상규방법채출。이산동룡구황현분지유혈암위례，제출료신류체가열기술설계방안，대금후진행선도시험유착중요적삼고개치。
Oil shale in-situ retorting technologies are the trend of large scale commercialized development of oil shale in the future. Among them, the fluid heating technology has attracted more and more attention due to its distinct advantages as fast heating, adequate usage of retorting gas, and relatively mature technology, etc. In view of the problems existing in fluid heating technology for oil shale in-situ retorting both at home and abroad, this paper presents a new idea of fluid heating, that is, using the combined technology of staged fracturing of horizontal section and superheated steam assisted gravity drive to produce the oil shale resources with great burial depth (300~1000 m); its main principle is to inject overheated steam through the complex fracture network created during staged fracturing of horizontal section to heat the oil shale reservoir and gradually convert the kerogen to liquid hydrocarbons, the liquid hydrocarbons so produced then flow to the producing well through the fractures, and finally flow to surface in conventional method. Taking the oil shale basin in Huangxian Basin in Longkou, Shandong, this paper presents a design scheme for fluid heating technology, which has significant reference value for pilot tests from now on.