Multi-purpose fill and circulate well tool,申请号DK20130000150-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	Multi-purpose fill and circulate well tool
摘要
申请公布号	DK201300150(A)	申请公布日期	2013.03.15
申请号	DK20130000150	申请日期	2013.03.15
申请人	BAKER HUGHES INC	发明人	BEHR, DOUGLAS JULIUS;GRAY-STEPHENS, MALCOLM;HARRIS, DAVID H.;SONNIER, GARETH D.
分类号	E21B21/10;E21B33/126;E21B33/1295	主分类号	E21B21/10
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Techniques for aligning, focusing and normalizing imaging system

Method and apparatus for the amelioration of visual stress and dyslexia

Recording apparatus having a recording head using an electrically conductive sheet

Nitrosamine-free 3-isothiazolones and process

Analogs of oxetanyl purines and pyrimidines

Light-stabilised copolymer compositions as paint binders

Naphthylalkylamines

Pyridyl substituted benzothiazole compounds which have useful pharmaceutical utility

Bicyclic pyridines which are angiotensin II inhibitors

Carbapenem derivatives having antibiotic activity, their preparation and their use

Method of magneto-optical recording and overwriting

Lighting fixture

Electromagnetic position transducer having active transmitting stylus

Method for burying low resistance material in a contact hole

Silver halide photographic elements containing blue, green and red recording layer units that produce images of the same hue and at least one emissive interlayer to facilitate image retrieval by scanning

Phospholipid analogue vesicle

Method for manufacturing high purity graphite material

Leg and arm exerciser

Continuously variable traction roller transmission