贝克休斯井眼清洗工具
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井眼清洗工具
© 2012 BAKER HUGHES INCORPORATED. ALL RIGHTS RESERVED. TERMS AND CONDITIONS OF USE: BY ACCEPTING THIS DOCUMENT, THE RECIPIENT AGREES THAT THE DOCUMENT TOGETHER WITH ALL INFORMATION INCLUDED THEREIN IS THE CONFIDENTIAL AND PROPRIETARY PROPERTY OF BAKER HUGHES INCORPORATED AND INCLUDES VALUABLE TRADE SECRETS AND/OR PROPRIETARY INFORMATION OF BAKER HUGHES (COLLECTIVELY "INFORMATION"). BAKER HUGHES RETAINS ALL RIGHTS UNDER COPYRIGHT LAWS AND TRADE SECRET LAWS OF THE UNITED STATES OF AMERICA AND OTHER COUNTRIES. THE RECIPIENT FURTHER AGREES THAT THE DOCUMENT MAY NOT BE DISTRIBUTED, TRANSMITTED, COPIED OR REPRODUCED IN WHOLE OR IN PART BY ANY MEANS, ELECTRONIC, MECHANICAL, OR OTHERWISE, WITHOUT THE EXPRESS PRIOR WRITTEN CONSENT OF BAKER HUGHES, AND MAY NOT BE USED DIRECTLY OR INDIRECTLY IN ANY WAY DETRIMENTAL TO BAKER HUGHES’ INTEREST.
风险管理
•降低卡钻/埋完井设备及尾管风险
•确保从钻井到完井阶段的平顺过渡
•一趟完成多个作业节约钻机时间
•高质量/专有设计工具降低作业风险
•全球迄今为止超过1000趟作业
典型杂质回收
井眼清洗工具
•VACS真空负压吸尘系统
•多任务井眼过滤
•Ultra-Clean 套管刮管器/套管刷
•Super 超级井下磁铁
•J型循环阀/旋转头
•流入测试封隔器
•地面杂质捕获器
•投球循环接头
VACS 真空吸尘系统
•环空流速低或大斜度井中收集井下杂质
•防止钻屑悬浮于泥浆中,损害防喷器、泵及管线•不需特别性质的流体或高速流
•可以下入该工具本身或作为清洗工具串的部件下入
VACS 液体流动及组件
低速流体割缝寸管
导向管(高速流体)
喷嘴(压力降)杂物腔
冲管
VACS应用表
•喷射补心可以与很多井底
组合配合,以便于回收从
小到大的杂物。
VACS 射孔杂质回收
VACS 磨铣杂质回收
VACS
VACS
-
-
Grabitz
Grabitz
Ultra-Clean
360
4 1/2
13 3/8
Ultra-Clean
“Ultra-Clean”套管刷
•清除结垢、泥浆固体、水泥残留物等
•与刮管器关键组件可以互换
•非旋转、安全卡块特性
•360度接触套管内径
J型旋转头
•大套管内径处增加流速及转速帮助井眼清洗
•激活后总过流面积增大-提高井眼清洗•激活后工具之上的尾管可以旋转,之下的不能旋转
•压缩激活
•尺寸:7”、9 5/8”
涌入测试封隔器
•尾管顶部压力测试
•工作压力:5000 psi @ 300o F
•下钻时过流面积大
•压缩座封-20吨,无卡瓦
•需投球激活
Ball Drop Circulation Valve •No drill string manipulation is
required
•Allows for same size ball for every cycle
•Simple, reliable configuration •Modular design to allow for more cycles
•Large circulation ports for high flow rates
VACS应用案例
Packer Plug and Bridges Plug Retrieval •Reduces nonproductive time by effectively
cleaning the top of the plug and retrieving the plug in one trip •
Keeps debris from suspending in wellbore and reaching surface equipment •
Minimizes impact to perforation and formation •Reduces risk to equipment •Increases reliability of operation by ensuring accurate retrieval
Full-function valve Drill pipe
Magnets
Washpipe
V ACS engine
Ported sub/Skirt
Diverter tube String/water melon mill
Triple-connection bushing
Retrieval tool