【摘要】：最新資源評(píng)價(jià)表明,柴達(dá)木盆地油氣資源豐富,常規(guī)油氣資源量達(dá)61.7×10~8t,致密油資源量達(dá)8.6×10~8t,且剩余資源豐富,具備規(guī)模發(fā)現(xiàn)和可持續(xù)發(fā)展基礎(chǔ)。為建成千萬(wàn)噸高原油氣田并保障長(zhǎng)期穩(wěn)產(chǎn),急需在現(xiàn)有勘探開發(fā)基礎(chǔ)上進(jìn)一步取得新突破與新發(fā)現(xiàn)。通過(guò)盆地石油地質(zhì)條件的整體評(píng)價(jià)和近年昆北、英東、東坪、扎哈泉等地區(qū)的油氣勘探實(shí)踐,認(rèn)為盆地山前古隆起、盆緣古斜坡和盆內(nèi)晚期構(gòu)造帶控制油氣宏觀運(yùn)聚,富烴凹陷、斷裂—不整合輸導(dǎo)體系和優(yōu)勢(shì)源儲(chǔ)組合控制油氣規(guī)模成藏。據(jù)此提出富烴凹陷周緣是油氣勘探主戰(zhàn)場(chǎng),盆內(nèi)大面積的晚期構(gòu)造帶挑戰(zhàn)與希望并存,古隆起背景的基巖勘探前景廣闊,盆地深層—超深層碎屑巖儲(chǔ)層蘊(yùn)含較大潛力的重要認(rèn)識(shí),明確了"富烴凹陷周緣古隆起"、"盆內(nèi)晚期構(gòu)造帶"、"盆地基巖"及"古斜坡巖性—致密油氣"四大潛在勘探領(lǐng)域。
[Abstract]:The latest resource evaluation shows that the Qaidam Basin is rich in oil and gas resources. The conventional oil and gas resources are 61.7 脳 10 ~ 8 t and the tight oil resources are 8.6 脳 10 ~ 8 t. The remaining resources are abundant and have the basis of scale discovery and sustainable development. In order to build ten million tons of plateau oil and gas fields and guarantee long-term stable production, it is urgent to make new breakthroughs and new discoveries on the basis of existing exploration and development. Based on the overall evaluation of petroleum geological conditions in the basin and the oil and gas exploration practice in North Kunbei, Yingdong, Dongping and Zahquan in recent years, it is considered that the basin pre-mountain paleo-uplift, basin margin paleo-slope and late basin tectonic belt control the macro migration and accumulation of oil and gas. Hydrocarbon-rich depression, fault-unconformity transport system and dominant source-reservoir combination control oil and gas accumulation. It is pointed out that the periphery of hydrocarbon-rich depression is the main battleground of oil and gas exploration, the challenge and hope coexist in the large area of late tectonic belt in the basin, and the prospect of bedrock exploration in paleo-uplift background is broad. The important understanding of the great potential of the deep-ultradeep clastic rock reservoirs in the basin has made clear the "hydrocarbon-rich depression peripheral palaeo-uplift" and "the late basin tectonic belt". "Basin bedrock" and "paleo-slope lithology-tight oil and gas" four potential exploration areas.
【作者單位】： 中國(guó)石油青海油田公司;
【基金】：國(guó)家科技重大專項(xiàng)“柴達(dá)木盆地山前沖斷帶油氣富集規(guī)律、勘探技術(shù)與區(qū)帶和目標(biāo)優(yōu)選”(2016ZX05003-006) 中國(guó)石油重大科技專項(xiàng)“柴達(dá)木盆地建設(shè)千萬(wàn)噸油氣田綜合配套技術(shù)研究”(2016E-01)
【分類號(hào)】：P618.13

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