本文選題：旬邑探區(qū)　切入點(diǎn)：油層試油　出處：《西安石油大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：油層試油是油田開發(fā)初期的最重要的工作之一。通過試油工作為認(rèn)識(shí)地層、計(jì)算儲(chǔ)量、編制開發(fā)方案和確定開發(fā)方式提供依據(jù)。旬邑探區(qū)鉆探資料證實(shí)油氣顯示豐富,含油層段、勘探前景好。截至到目前,共鉆各類探井40余口,經(jīng)試油獲油流井8口。由于該區(qū)勘探程度低,許多地質(zhì)問題尚未弄清,勘探工作尚未取得大的突破。如油氣富集規(guī)律、儲(chǔ)層基本地質(zhì)特征等及低孔、低滲儲(chǔ)層的技術(shù)改造等問題制約了該區(qū)油氣勘探開發(fā)進(jìn)程,因此急需制定出適合該油區(qū)的合理的試油方案。本論文是在旬邑探區(qū)地質(zhì)研究的基礎(chǔ)上,結(jié)合所收集的旬邑探區(qū)勘探開發(fā)資料,并分析該油區(qū)勘探開發(fā)簡(jiǎn)況和地質(zhì)特征,通過室內(nèi)對(duì)巖心的地質(zhì)研究,全面認(rèn)識(shí)了延長(zhǎng)組長(zhǎng)6、長(zhǎng)8油氣層的巖石物理性質(zhì)及巖石中敏感性礦物的類型、產(chǎn)狀、含量及分布特點(diǎn),及確定了油氣層潛在損害類型、程度及原因,并落實(shí)地層流體物理性質(zhì);通過壓裂液與地層的配伍性優(yōu)化研究,結(jié)合延長(zhǎng)組長(zhǎng)6、長(zhǎng)8油氣層的地質(zhì)研究,優(yōu)化選擇壓裂液配方;并根據(jù)試油、試采特征,選取30余口壓裂試油井的電性特征進(jìn)行分析,結(jié)合鉆井資料運(yùn)用三維壓裂軟件模擬出適合不同厚度、不同物性儲(chǔ)層的壓裂改造模式,最終選擇了7口井8個(gè)層組壓裂試油試驗(yàn)建議,編制8個(gè)層組壓裂優(yōu)化設(shè)計(jì),制定出適合該油區(qū)的合理的試油方案。
[Abstract]:Reservoir oil testing is one of the most important tasks in the early stage of oilfield development. Through oil testing work, it is necessary to understand the formation, calculate reserves, compile development plans and determine the development methods. The drilling data of Xunyi exploration area prove that oil and gas are rich in oil and gas. Up to now, more than 40 exploration wells of various kinds have been drilled, and 8 oil flow wells have been obtained by oil test. Because of the low exploration level in this area, many geological problems have not been clarified. The exploration work has not yet made great breakthrough, such as the law of oil and gas enrichment, the basic geological characteristics of reservoir, the technical transformation of low porosity and low permeability reservoir, etc., which restrict the process of oil and gas exploration and development in this area. Therefore, it is urgent to work out a reasonable oil test scheme suitable for the oil exploration area. This paper is based on the geological research of Xunyi exploration area, combined with the collected exploration and development data of Xunyi exploration area, and analyzes the general situation and geological characteristics of exploration and development in this oil area. Through the laboratory geological study of the cores, the physical properties of the rocks in Yanchang formation No. 6 and Chang 8 and the types, occurrence, content and distribution of sensitive minerals in the rocks are fully understood, and the potential damage types of the reservoirs are determined. The degree and cause of the fracturing fluid and the physical properties of the formation fluid, the optimization of the compatibility of the fracturing fluid with the formation, and the geological study of the Chang Chang 6 and Chang 8 oil and gas reservoirs, the optimization of the fracturing fluid formula, and the selection of the fracturing fluid formula according to the oil test and production test characteristics, The electrical characteristics of more than 30 fracturing test wells are analyzed and the fracturing modification model suitable for different thickness and different physical properties reservoir is simulated by using 3D fracturing software combined with drilling data. Finally, 7 wells and 8 formations were selected for fracturing test, and the optimal fracturing design of 8 formations was worked out, and a reasonable oil test scheme was worked out.
【學(xué)位授予單位】：西安石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE273

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