榆樹地區(qū)扶余油層沉積特征研究
發(fā)布時間:2018-06-09 15:59
本文選題:松遼盆地 + 榆東地區(qū); 參考:《東北石油大學》2015年碩士論文
【摘要】:隨著油氣勘探的進展,大慶油田致密油勘探相繼獲得發(fā)現(xiàn),致密油條件儲層條件較好的扶余油層越來越成為松遼盆地北部油氣勘探的主力層系。本文在勘探新形勢下,利用豐富的鉆井資料,結合三維地震資料、測井資料,對榆東地區(qū)扶余油層沉積特征進行了研究,研究過程中對榆東地區(qū)扶余油層進行地層劃分對比,建立層序地層格架,在此基礎上進行了沉積相研究,并根據(jù)沉積特征對榆東地區(qū)扶余油層油氣有利區(qū)帶進行了預測。通過對榆東地區(qū)上百口鉆井資料的研究,結合地震剖面、測井解釋,依據(jù)適應研究區(qū)地質背景的地層對比原則,將榆東地區(qū)扶余油層劃分為3個油層組,并進一步劃分為6個小油層組。通過對榆東地區(qū)地層厚度、砂體厚度及砂地比的研究,查明了榆東地區(qū)扶余油層物源方向。通過巖石的顏色、沉積結構構造及測井曲線特征,揭示了榆東地區(qū)扶余油層沉積特征、沉積演化規(guī)律、沉積體系類型以及展布特征。研究認為榆東地區(qū)扶余油層發(fā)育淺水三角洲沉積,并進一步劃分為三角洲平原和三角洲前緣2種亞相以及10種沉積微相類型。詳細描述扶余油層沉積微相的展布特征,精細刻畫砂體分布規(guī)律,由此建立了符合榆東地區(qū)扶余油層的沉積相模式。研究沉積特征是為了對油氣有利區(qū)帶進行預測,在沉積相研究的基礎上,本文分析了研究區(qū)沉積相與油氣分布的關系,進一步研究了油氣水分布規(guī)律,以此為依據(jù)指導油氣有利區(qū)帶的預測,并對有利區(qū)進行優(yōu)化,以達到油氣勘探開發(fā)的目標。
[Abstract]:With the development of oil and gas exploration, dense oil exploration in Daqing Oilfield has been discovered one after another. Fuyu reservoir with better tight oil condition has become the main layer of oil and gas exploration in the north of Songliao Basin. Under the new situation of exploration, using abundant drilling data, combined with 3D seismic data and logging data, this paper studies the sedimentary characteristics of Fuyu reservoir in Yudong area, and makes stratigraphic division and correlation of Fuyu reservoir in Yudong area. The sequence stratigraphic framework was established and the sedimentary facies were studied on the basis of which the favorable oil-gas zones of Fuyu reservoir in Yudong area were predicted according to the sedimentary characteristics. Through the study of hundreds of drilling data in Yudong area, combined with seismic profile and log interpretation, according to the principle of stratigraphic correlation adapted to the geological background of the study area, the Fuyu reservoir in Yudong area is divided into three reservoir groups. It is further divided into 6 small reservoirs. Based on the study of formation thickness, sand body thickness and sand land ratio in Yudong area, the source direction of Fuyu reservoir in Yudong area was found out. Based on the color, sedimentary structure and logging curve of the rocks, the sedimentary characteristics, sedimentary evolution rules, sedimentary system types and distribution characteristics of Fuyu reservoir in Yudong area are revealed. It is considered that shallow water delta deposits are developed in Fuyu oil formation in Yudong area and are further divided into two subfacies of delta plain and delta front and 10 types of sedimentary microfacies. The distribution characteristics of sedimentary microfacies in Fuyu reservoir are described in detail and the distribution law of sand body is described in detail. The sedimentary facies model of Fuyu reservoir in Yudong area is established. The purpose of studying sedimentary characteristics is to predict the favorable zones of oil and gas. Based on the study of sedimentary facies, the relationship between sedimentary facies and oil and gas distribution in the study area is analyzed in this paper, and the distribution law of oil, gas and water is further studied. In order to achieve the goal of oil and gas exploration and development, this paper guides the prediction of favorable zones of oil and gas and optimizes the favorable zones.
【學位授予單位】:東北石油大學
【學位級別】:碩士
【學位授予年份】:2015
【分類號】:P618.13
【參考文獻】
相關碩士學位論文 前1條
1 李璐璐;朝45區(qū)塊扶楊油層層序特征與油氣成藏研究[D];大慶石油學院;2009年
,本文編號:2000310
本文鏈接:http://sikaile.net/kejilunwen/diqiudizhi/2000310.html
教材專著