DOWNHOLE MONITORING METHOD AND DEVICE,申请号EP19980922712-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	DOWNHOLE MONITORING METHOD AND DEVICE
摘要
申请公布号	EP0973996(A1)	申请公布日期	2000.01.26
申请号	EP19980922712	申请日期	1998.04.08
申请人	SHELL INTERNATIONALE RESEARCH	发明人	DEN BOER, JOHANNIS, JOSEPHUS
分类号	E21B47/04;E21B47/10;(IPC1-7):E21B47/04	主分类号	E21B47/04
代理机构		代理人
主权项
地址

您可能感兴趣的专利

ROLLING-DOWN DEVICE TO PNEUMATIC TIRE ASSEMBLY MACHINE

METHOD OF LAYING ASPHALT CONCRETE MIX

DEVICE FOR ALIGNING EDGES OF FILM MATERIALS BEING DOUBLED

POSITIVE-DISPLACEMENT HYDRAULIC DRIVE FOR VEHICLE STEERING SYSTEM

ARRANGEMENT FOR PROVIDING THERMAL COMFORT TO VEHICLE OPERATOR

ROBOT CONTROL DEVICE

MANUAL CONTROL BALANCED MANIPULATOR

PNEUMATIC ANGLE POWER NUT-DRIVER

APPARATUS FOR CENTRIFUGAL WORKING OF ARTICLES

ATTACHMENT FOR PLANAR POINTING OF DRILLS

DEVICE FOR PROFILE GRINDING

DEVICE USED FOR SCREWING UP STUD-BOLTS

FACE-MILLING CUTTER

METHOD OF WORKING HOLES BY MULTIBLADE TOOL

METHOD OF MACHINING FACETED SURFACES

MIXTURE FOR MANUFACTURING CASTING MOULDS

METHOD AND DEVICE FOR REMOVING CHIPS FROM CUTTING ZONE

MODULAR TEMPLATE JIG