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
Sealing well casings
摘要
申请公布号
GB2320271(B)
申请公布日期
1998.11.11
申请号
GB19970026051
申请日期
1997.12.09
申请人
* SCHLUMBERGER LIMITED
发明人
DANISH R * PATEL
分类号
E21B29/10;E21B33/127;E21B33/13;E21B36/00;E21B43/10;(IPC1-7):E21B29/10;E21B33/10
主分类号
E21B29/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Nonvolatile semiconductor memory device
Apparatus Comprising a Single Photon Photodetector Having Reduced Afterpulsing and Method Therefor
Electromagnetic stapler with a manually adjustable depth adjuster
Method for controlling liquid ejection apparatus and liquid ejection apparatus
Apparatus and method for performing laser welding
Apparatus for laser cutting and/or marking
IN-SITU GROUNDWATER NITRIFICATION AND DE-NITRIFICATION REMEDIATION SYSTEM
Entrapping immobilization pellets and process for producing the same, and wastewater treatment process and equipment using the same
Radial tire for airplane
REFRIGERATION MONITOR UNIT
Holding system for headwear
Hinge-lid container with additional integral panels
Plasma processing method, plasma processing apparatus and storage medium
Reinforced profile
HIGH-PRESSURE RESISTANT HOSE
RFID reader/writer
Nicotinic Acid Compositions For Treating Hyperlipidemia and Related Methods Therefor
Separator, a lithium rechargeable battery using the same and a method of manufacture thereof
Wireless headset adjustable for either ear
Sound enhancing stands for portable audio devices
