VORRICHTUNG UND VERFAHREN ZUM EINBRINGEN VON BOHRLOECHERN IN ERDFORMATIONEN

申请公布号：DE3939245(A1)

申请号：DE19893939245

申请日期：1989.11.28

申请公布日期：1990.05.31

申请人：

EXXON PRODUCTION RESEARCH CO., HOUSTON, TEX., US

发明人：HOLSTER, JESSE L., SPRING, TEX., US

分类号：E21B10/48;E21B10/04;E21B10/14;E21B10/18;E21B10/60

主分类号：E21B10/48

CAR NAVIGATION SYSTEM

CAR NAVIGATION SYSTEM

CAR NAVIGATION SYSTEM

CAR NAVIGATION SYSTEM

ELECTRODE FOR LITHIUM ION SECONDARY BATTERY

IMAGE FORMING DEVICE

CALIBRATION METHOD OF DEVELOPER

MOBILE COMMUNICATION EQUIPMENT

COMMUNICATION CONTROLLER

DRIVING STATE SUPERVISORY DEVICE FOR VEHICLE

ATM NETWORK SYSTEM

BIAXIAL ACTUATOR FOR OBJECTIVE LENS, AND MAGNETO-OPTICAL DISK DEVICE

MAGNETIC RECORDING MEDIUM AND ITS PRODUCTION

MAGNETIC RECORDING MEDIUM, AND METHOD FOR MAGNETIC RECORDING

IMAGE PROCESSING DEVICE

LIQUID CRYSTAL DISPLAY DEVICE AND IMAGE SIGNAL SHAPING CIRCUIT

VEHICLE INSPECTION MIRROR MOUNTED CART

FERTILIZING CAPACITY TESTING METHOD OF RAT SPERM

LIQUID-OPERATED VIBRATION TESTING MACHINE

CONFIGURATION MEASURING EQUIPMENT AND COIL POSITION DETECTING EQUIPMENT