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
MODIFIED STUFFING BOX
摘要
A modified stuffing box for a wellhead is provided. More particularly, a modified stuffing box having improved and adjustable sealing is provided. The modified stuffing box may include a valve for sealing the well.
申请公布号
WO2017004696(A1)
申请公布日期
2017.01.12
申请号
WO2016CA50373
申请日期
2016.03.31
申请人
WESTERN OILTOOLS LTD.
发明人
MCADAM, David;MCADAM, Brian
分类号
E21B33/08;E21B33/04
主分类号
E21B33/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Imprint lithography
Arbitration mechanisms to deal with conflicting applications and user data
Preventing livelocks in processor selection of load requests
Static timing slacks analysis and modification
Methods and apparatuses for automated circuit optimization and verification
System for implementing post-silicon IC design changes
System and method for creating a logical representation of a functional logic system from a physical representation
Registering an event
CRC syndrome generation for multiple data input widths
Channel estimation and fixed thresholds for multi-threshold decoding of low-density parity check codes
Test mode for parallel load of address dependent data to enable loading of desired data backgrounds
Remote access system, gateway, client device, program, and storage medium
Information sharing between a backup storage device and a management appliance
Communications device and method for configuring a communication port depending on a direction condition of a remote device communicatively coupled to the communications port
Read control in a computer I/O interconnect
Memory hub architecture having programmable lane widths
Method and apparatus for de-duplication after mirror operation
Data processing apparatus and method for performing floating point multiplication
Fast modular zero sum and ones sum determination
Entropy source for random number generation
