石油与天然气地质 ›› 1996, Vol. 17 ›› Issue (4): 321-325.doi: 10.11743/ogg19960411

• 论文 • 上一篇    下一篇

松辽盆地十屋断陷水动力场与低压气藏的关系

楼章华1, 卢庆梅1, 赵庆吉2, 肖海燕2, 唐黎明2   

  1. 1. 浙江大学地球科学系, 浙江杭州 310027;
    2. 地质矿产部吉林石油普查勘探指挥所, 吉林长春 130062
  • 收稿日期:1994-06-06 修回日期:1996-01-28 出版日期:1996-12-25 发布日期:2012-01-16
  • 基金项目:

    “八五”国家科技攻关项目(85-102-09-02-02)

HYDRODYNAMIC FIELDS AND LOW-PRESSURE GAS POOLS IN SHIWU FAULT-DEPRESSION,SONGLIAO BASIN

Lou Zhanghua1, Lu Qingmei1, Zhao Qingji2, Xiao Haiyan2, Tang Liming2   

  1. 1. Department of Earth Sciences, Zhejiang University, Hangzhou, Zhejiang;
    2. Jinn Headquaters of Petroleum Exploration, MGMR, Changchun, Jilin
  • Received:1994-06-06 Revised:1996-01-28 Online:1996-12-25 Published:2012-01-16

PDF (PC)

856

被引次数

20

摘要：

松辽盆地十屋断陷在1250m以上为正常压实带,1500m以下为低压带,其间为压力过渡带,其对应的水动力场分别为自由水交替带,交替停滞带和交替阻滞带。由于交替阻滞带和交替停滞带天然气散失量大于地下水补给量,且愈下地下水补给量愈小,从而导致随埋深增加压力系数降低,形成低压气藏。交替阻滞带和交替停滞带中的气层才是该区的主要产气层。

关键词: 低压气藏, 水动力场, 水化学场, 十屋断陷

Abstract:

In Shiwu fault depression of Songliao Basin, sediments buried shallower than 1 250 mbelong to normal pressure zone;that deeper than 1 500 m belong to low-pressure zone sediments between above mentioned zones are in tranzitional zone. Hydrodynamic fields corresponding to these zones are respectively free replacing zone,obstructive replacing zone and irreplacing zone. The amounts of gas losses in the obstructive replacing and irreplacing zonesare greater than that of subsurface water leakage recharge,and the deeper the gas buried,theless the subsurface water recharge amount would be. This resulted in the decrease of , essurecoefficient with the Increasing of buried depth,and the formation of low-pressure gas pools. Itis considered that gas reservoirs in the obstructive replacing zone and irreplacing zone are themain productive beds of the region.