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
Method and apparatus for single trip injection of fluid for well treatment and for gravel packing thereafter
摘要
申请公布号
US4951750(A)
申请公布日期
1990.08.28
申请号
US19890417657
申请日期
1989.10.05
申请人
BAKER HUGHES INCORPORATED
发明人
WETZEL, JR., RODNEY J.
分类号
E21B37/08;E21B43/04
主分类号
E21B37/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD AND APPARATUS FOR PREPARING THERMOPLASTIC FOAMS
SEWING MACHINE ENABLED IN MENDING
BALL HITTING APPARATUS PINBALL MACHINE
METHOD OF FORMING PATTERN
OPTICAL FIBER CABLE
MANUFACTURE OF ALKALINE METAL SILICATE
STRIBRNY KATALYZATOR A ZPUSOB JEHO VYROBY
SCHMIERMITTEL
ZPUSOB VYROBY VYFUKOVANE FOLIE
ZARIZENI PRO POHLCOVANI MECHANICKE ENERGIE, ZEJMENA U VELKY CH RAZU
VERFAHREN ZUR KOMPOSTIERUNG VON ORGANISCHEN ABFAELLEN
ZPUSOB VYROBY 1,4 DIHYDROPYRIDINU
Two=part valve with sealing ring - which is attached to outer spacer ring, to form coaxial flow path with valve plug
METHOD AND APPARATUS FOR MANUFACTURING SINGLE CRYSTALS
ZPUSOB VYROBY NOVYCH DERIVATU 1,1,2 TRIFENYLPROPANU A 1,1,2 TRIFENYLPROPENU
원자로 냉각수 펌프모터용 오일통과 이것의 오일수준 제어장치
엔진제어용 공연비센서
DEVICE FOR CHEMICAL AND BIOLOGICAL TREATMENT OF WASTE WATER
AEROB MIKROBIOLOGISK FREMGANGSMAADE
AEROB MIKROBIOLOGISK FREMGANGSMAADE
