NO904164D0
(en )
1990-09-25
PROCEDURE AND DEVICE FOR DETERMINING THE DRILL DEPTH.
NO873214D0
(en )
1987-07-31
PROCEDURE AND DEVICE FOR CONTROLLED DRILL DRILLING.
NO903917D0
(en )
1990-09-07
PROCEDURE FOR PUTTING THE EQUIPMENT DOWN IN AN OIL / GAS DRILL AND TOOL FOR USE IN EXECUTING THE PROCEDURE.
DK101185D0
(en )
1985-03-05
PROCEDURE FOR DRILLING DRILL SHELTS AND DRILL FOR USE IN THE PROCEDURE
NO992905D0
(en )
1999-06-14
Drilling and / or core drilling tools
ITTO920709A0
(en )
1992-08-21
PROCEDURE AND EQUIPMENT FOR CONTROLLED PENETRATION DRILLING.
NO862062L
(en )
1986-12-01
PROCEDURE AND DEVICE FOR CONTROLLED DRILL DRILLING.
NO990122L
(en )
1999-01-13
Downhole tool and method
NO881334D0
(en )
1988-03-25
PROCEDURE AND MANAGEMENT FOR MANAGED DRILLING.
NO905614D0
(en )
1990-12-28
PROCEDURE AND DEVICE FOR DRILL PROTECTION PROTECTION.
FI871646A7
(en )
1987-10-16
Earth drilling method and device for implementing the method.
IT8241629A0
(en )
1982-07-30
TOOL FOR DRILLING HOLES IN THE GROUND WITH FIXED WALLS AND RELATED PROCEDURE.
NO895304L
(en )
1990-07-02
DRILLING EQUIPMENT.
IS1127B6
(en )
1983-09-01
Method and tools for finding power from the sea
NO890599L
(en )
1989-08-14
DEVICE FOR OPTIONAL RIGHT OR DISTRIBUTION DRILLING.
DE3866038D1
(en )
1991-12-12
DRILL AND RELATED CUTTING INSERT.
FI900009L
(en )
1990-07-12
Hydraulic rock drill and method for using the same
NO892250L
(en )
1989-12-04
PROCEDURE AND DEVICE FOR DRILLING A HOLE IN THE MOUNTAIN.
IT8820573A0
(en )
1988-05-13
COMPOSITE CEMENT, PARTICULARLY USABLE IN DRILLING HOLES.
NO900457D0
(en )
1990-01-31
PROGRESSOR AND DRILL FOR HORIZONTAL DRILLING.
FI915483L
(en )
1992-05-23
DRILL AND CHISEL TOOL.
NO881959D0
(en )
1988-05-05
DRILLING EQUIPMENT AND PROCEDURE FOR USING THE SAME.
FI904366A7
(en )
1991-05-09
Hydraulic drilling device and method for using the same
NO882798L
(en )
1988-12-27
PROCEDURE FOR EXTENDING BORROW HOLES AND DRILLING TOOLS FOR THIS.
NO913256L
(en )
1992-02-24
Penetrating stain and sealant.