本文選題：凝析氣藏 + 龍鳳山氣田　； 參考：《天然氣地球科學(xué)》2017年04期

【摘要】：針對(duì)松遼盆地龍鳳山地區(qū)沉積環(huán)境復(fù)雜、儲(chǔ)層橫向?qū)Ρ壤щy、氣藏高產(chǎn)富集規(guī)律研究難度大等問(wèn)題和難點(diǎn),為明確該地區(qū)儲(chǔ)層的沉積特征和影響儲(chǔ)層發(fā)育的控制因素,從區(qū)域沉積背景入手,結(jié)合巖心、錄井、測(cè)井及地震等資料,采用宏觀(guān)證據(jù)與微觀(guān)證據(jù)相結(jié)合的沉積學(xué)分析方法:通過(guò)開(kāi)展巖心觀(guān)察與描述、測(cè)井精細(xì)解釋、地震資料的儲(chǔ)層預(yù)測(cè)以及凝析氣藏的相態(tài)特征分析,綜合研究認(rèn)為龍鳳山氣田營(yíng)四砂組發(fā)育扇三角洲沉積體系,并進(jìn)一步結(jié)合動(dòng)態(tài)測(cè)試成果指出分流河道為有利的沉積微相;通過(guò)沉積相帶展布分析,營(yíng)四砂組下段發(fā)育厚層的多期疊置的分流河道,上段發(fā)育多期砂泥互層的分流河道;通過(guò)凝析氣藏相態(tài)特征分析和氣藏類(lèi)型確定,指出該氣藏屬于受構(gòu)造和巖性雙重控制的高含油的致密低滲碎屑巖凝析氣藏,明確了影響儲(chǔ)層分布的影響因素,分段確定了營(yíng)四砂組氣層的展布范圍。在此基礎(chǔ)上,開(kāi)展了井位部署,為氣田的產(chǎn)能建設(shè)提供了技術(shù)支持。基于該區(qū)儲(chǔ)層的沉積特征分析和氣層分布影響因素分析等研究成果的基礎(chǔ)上,部署開(kāi)發(fā)井的鉆井成功率和產(chǎn)能達(dá)標(biāo)率均達(dá)100%。
[Abstract]:In view of the complex sedimentary environment, the difficulty of horizontal correlation of reservoir and the difficulty of studying the law of high production and enrichment of gas reservoir in Longfengshan area of Songliao Basin, the sedimentary characteristics of reservoir and the controlling factors affecting the development of reservoir in this area are clarified. Starting with the regional sedimentary background and combining the core, logging, logging and seismic data, the sedimentary analysis method combining macro and micro evidence is adopted: through the core observation and description, the log fine interpretation. Based on the reservoir prediction of seismic data and the analysis of phase characteristics of condensate gas reservoirs, it is considered that fan delta sedimentary system is developed in Yingsisha formation of Longfengshan gas field, and it is further pointed out that distributary channel is a favorable sedimentary microfacies in combination with dynamic test results. Through the distribution analysis of sedimentary facies belt, the lower member of Yingsi sand formation developed multi-stage superimposed distributary channel, the upper member developed multi-stage distributary channel of multi-stage sand and mud interbed, and the phase behavior of condensate gas reservoir was analyzed and the gas reservoir type was determined. It is pointed out that the gas reservoir is a dense clastic condensate gas reservoir with high oil content and high permeability controlled by structure and lithology. The influencing factors affecting the reservoir distribution are determined and the distribution range of the gas reservoir in Yingsi sand formation is determined. On this basis, well location deployment is carried out, which provides technical support for gas field productivity construction. Based on the analysis of the sedimentary characteristics of the reservoir and the analysis of the influencing factors of gas reservoir distribution, the drilling success rate and the productivity up to standard rate of the deployment and development wells are up to 100.
【作者單位】： 中國(guó)石化勘探開(kāi)發(fā)研究院;
【基金】：中國(guó)石化油田部開(kāi)發(fā)先導(dǎo)項(xiàng)目“龍鳳山氣藏開(kāi)發(fā)評(píng)價(jià)研究”(編號(hào):G5800-13-ZS-YTB053)資助
【分類(lèi)號(hào)】：P618.13

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