首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
DRILLING METHOD
摘要
申请公布号
EP1155216(B1)
申请公布日期
2005.01.12
申请号
EP20000905200
申请日期
2000.02.25
申请人
WEATHERFORD/LAMB, INC.
发明人
MOYES, PETER BARNES
分类号
E21B4/02;E21B21/00;E21B21/08;(IPC1-7):E21B21/00
主分类号
E21B4/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CHAIN END FUNCTIONALIZED POLYOLEFINS FOR IMPROVING WET TRACTION AND ROLLING RESISTANCE OF TIRE TREADS
FLAME HOLDERS WITH FUEL AND OXIDANT RECIRCULATION, COMBUSTION SYSTEMS INCLUDING SUCH FLAME HOLDERS, AND RELATED METHODS
SERVICE BRAKE DEVICE WITH QUICK AIR RELEASE VALVE
CIRCUIT ASSEMBLY FOR PROTECTING A UNIT TO BE OPERATED FROM A SUPPLY NETWORK AGAINST OVERVOLTAGE
METHOD FOR OPERATING A SECURITY ELEMENT
EXHAUST SYSTEM FOR A COMPRESSION IGNITION ENGINE HAVING A CAPTURE REGION FOR VOLATILISED PLATINUM
CONNECTOR
MAGNETO-RHEOLOGICAL FLUID BASED FILTER/REFLECTOR
APPARATUS AND PROCESS FOR SEPARATING AND RECOVERING THE COMPONENTS OF AN ALLOY, PARTICULARLY A NOBLE ALLOY
SWITCHED POWER STAGE WITH INTEGRATED PASSIVE COMPONENTS
PROCESS FOR PRODUCTION OF ACRYLIC ACID
PROCESS AND SYSTEM FOR PRODUCTION OF POLYPROPIOLACTONE
HYBRID ACTIVATED IRON-BIOLOGICAL WATER TREATMENT SYSTEM AND METHOD
CAR INTERCOOLER PIPE HAVING LOW VIBRATION PROPERTIES
FOOD WASTE FERMENTATION DEVICE USING SOIL MICROBES AND LIVESTOCK MANURE COMPOSTING DEVICE, BIOFIELD GENERATOR SUITABLE FOR SAME, MICROBIAL CELL SUITABLE FOR SAME AND MICROBIAL CONDENSER SUITABLE FOR SAME
DEHYDRATING-TYPE DEVICE FOR FUELIZING EXCREMENT
(ZRM)-(CUN)-NI-AL-(RE) AMORPHOUS ALLOY, PREPARATION METHOD AND APPLICATION THEREOF
SYSTEMS AND METHODS FOR THE NON-CATALYTIC PRODUCTION OF BIODIESEL FROM OILS
Three dimensional user interface effects on a display by using properties of motion
Input device and display device
