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首页> 美国政府科技报告 >Preliminary design of a special casing joint for a well equipped twin horizontal drainholes in the Oxnard field
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Preliminary design of a special casing joint for a well equipped twin horizontal drainholes in the Oxnard field

机译：奥克斯纳德油田设备齐全的双水平排水孔的特殊套管接头的初步设计

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摘要

The Oxnard field is presently under production,with a typical average monthly oil production of about 70,000 B, of which the Vaca Tar sand represents more than half.It is Unitized and operated under cyclic steam injection.The hot Tar and produced water are lifted to the surface with rod pumps equipped for injection of a diluent. The produced WOR is about 2.5 and the GOR is about 150 scf/B. The Vaca Tar sand originally contained about 400 million STB. The estimated recoverable reserve under full-scale cyclic steam injection is 100 to 120 Million STB. Under steamflood, it might reach 240 million STB. The objectives of this field test are: (1) increase well productivity by using a vertical well equipped with twin horizontal drainholes, each of about 1,000 ft. reach; (2) maximize the well draw-down by locating the horizontal wells near the base of the sand layer; (3) reduce capital cost by using twin drainholes connected to the same vertical cased well; (4) reduce operating expenses by eliminating the need for a service rig to pull-out the rods and pump before each steam injection cycle; and (5) be adaptable to other operating modes.

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  • 作者单位
  • 年度 1993
  • 页码 1-50
  • 总页数 50
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工业技术;
  • 关键词

    EDB/040401;

    机译：EDB / 040401;

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