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
Drill stem testing apparatus
摘要
申请公布号
US3388745(A)
申请公布日期
1968.06.18
申请号
US19670677815
申请日期
1967.08.25
申请人
SCHLUMBERGER TECHNOLOGY CORPORATION
发明人
COLE THOMAS W.
分类号
E21B31/00;E21B34/00;E21B34/06;E21B49/08
主分类号
E21B31/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD, DEVICE AND PROGRAM FOR TOPIC BOUNDARY DETERMINATION
COLOR IMAGE READING AND RECORDING APPARATUS
INTENTION SENTENCE TYPE CLASSIFICATION EXTRACTION SYSTEM
DATA STRUCTURE OF DOCUMENT, STORAGE MEDIUM, AND INFORMATION PROCESSOR
TRANSLATION DEVICE, TRANSLATION METHOD AND TRANSLATION PROGRAM
BLADE-PROOF VEST FORMED OF POLYBENZAZOLE FIBER
LOWER LIMB SUPPORTING GARMENT WITH CROTCH PART
GROUP MANAGEMENT CONTROLLER FOR ELEVATOR AND METHOD
HOLDER FOR SMALL-SIZED BATHTUB
AUTOMATIC WIRELESS MEASUREMENT APPARATUS
IGNITION DIAGNOSIS/COMBUSTION FEEDBACK CONTROL SYSTEM USING IONIZATION SIGNAL
DISPLAY DEVICE
CAMERA AND RANGE-FINDING METHOD OF CAMERA
METHOD FOR FILTERING POLYMER SOLUTION, PRODUCING METHOD THEREFOR, METHOD FOR PREPARING SOLVENT, METHOD FOR PRODUCING POLYMER FILM, AND METHOD FOR MEASURING HYDROGEN ION CONCENTRATION OF SOLVENT
WIDE VISUAL REGION RETINA PROJECTION TYPE DISPLAY SYSTEM
DIESEL ENGINE EXHAUST GAS PURIFYING SYSTEM
IMAGE COMPRESSION APPARATUS AND IMAGE COMPRESSION METHOD AND PROGRAM OF THE SAME
MTCMOS FLIP-FLOP CIRCUIT CAPABLE OF DATA STORAGE IN SLEEP MODE.
TEST SOCKET OF SEMICONDUCTOR DEVICE
JOINT CASE FOR OPTICAL FIBER CABLE
