Horizontal well three-dimensional intersection well pattern structure

一种水平井立体交错井网结构

Abstract

提供一种水平井立体交错井网结构,其包括多口分层布置的水平井,其中多口水平井被设置在块状或厚层状油藏中,每层水平面中有多排水平井,而且相邻排中的各井平面平行交错布置,相邻层中的各井纵向交错布置。使用本技术方案解决了现有技术中直井面积井网开采,纵向差异导致油层动用程度低,而且所需井数多;单层水平井开采油层,油气储量动用程度低;直井或单层水平井井网注水,水驱波及系数低的问题;提高了油藏采油速度和采收率,同时降低了开发成本。
The invention provides a horizontal well three-dimensional intersection well pattern structure, which comprises a plurality of horizontal wells which are arranged in different layers, the plurality of horizontal wells are arranged in a block-shaped or thick-layer-shaped oil pool, a plurality of rows of horizontal wells is arranged on each layer of horizontal plane, the plane of the horizontal wells in the adjacent rows are intersected and arranged in parallel, and the horizontal wells in adjacent layers are intersected in the longitudinal direction. By adopting the above technical scheme, the problems of the prior art that when in the well pattern mining of the plumbshaft, the production of the oil layer is low because of the longitudinal difference, and the quantity of the required wells is multiple, when mining the oil layer through single-layer horizontal well, the productivity of the oil-gas reserves is low, and when injecting water through the plumbshaft or the single-layer horizontal well pattern, the waterflood sweep coefficient is low can be solved; and the oil extraction speed and extraction rate of the oil pool can be improved, and at the same time the development cost can be reduced.

Claims

Description

Topics

Download Full PDF Version (Non-Commercial Use)

Patent Citations (8)

    Publication numberPublication dateAssigneeTitle
    CN-101122224-AFebruary 13, 2008中国石油天然气股份有限公司Gravity-assisted steam flooding exploitation method for heavy laver common heavy oil reservoir
    CN-101191407-AJune 04, 2008新疆石油管理局钻井工艺研究院一种浅层稠油分支井的钻井方法
    CN-1651715-AAugust 10, 2005北京奥瑞安能源技术开发有限公司进入目标地质体的方法和系统
    CN-1884786-ADecember 27, 2006辽河石油勘探局一种鱼刺分支井钻完井方法
    CN-201687455-UDecember 29, 2010徐萍Three-dimensional staggered well pattern structure of a horizontal well
    RU-2339801-C2November 27, 2008Открытое акционерное общество "Татнефть" им. В.Д. ШашинаСпособ разработки многопластового неоднородного нефтяного месторождения разветвленными горизонтальными скважинами
    US-4166501-ASeptember 04, 1979Texaco Inc.High vertical conformance steam drive oil recovery method
    US-6619396-B1September 16, 2003Japan Oil Development Co., Ltd.Method of producing petroleum

NO-Patent Citations (2)

    Title
    《中国优秀硕士学位论文全文数据库 基础科学辑》 20100415 周超 复杂结构井在潜山油藏中的应用研究 , 第4期
    《中外能源》 20080630 高富成等 杜32_兴H309Z鱼骨水平井钻井技术 第13卷, 第3期

Cited By (6)

    Publication numberPublication dateAssigneeTitle
    CN-103628848-AMarch 12, 2014中国地质大学(武汉)Multidirectional interlayer water flooding displacement oil extraction method and system
    CN-103628848-BSeptember 07, 2016中国地质大学(武汉)多方位层间注水驱替采油方法和系统
    CN-104818977-AAugust 05, 2015中国海洋石油总公司, 中海石油(中国)有限公司Single-well parallel crack water injection and oil extraction method of offshore low-permeability reservoir
    CN-104912537-ASeptember 16, 2015中国海洋石油总公司, 中海油研究总院一种巨厚潜山裂缝油藏的井网部署方法
    CN-104912537-BOctober 03, 2017中国海洋石油总公司, 中海油研究总院一种巨厚潜山裂缝油藏的井网部署方法
    CN-105298452-AFebruary 03, 2016中国石油天然气股份有限公司一种油藏立体注气方法和井网结构