NO893150D0
(en )
1989-08-03
PROCEDURE FOR DRILLING A DRILL IN EARTH AND DRILL FOR USE IN THE PROCEDURE.
NO932123L
(en )
1993-12-13
Device, system and method for drilling and completing a side well
NO872817L
(en )
1987-07-06
PROCEDURE AND DRILLING FOR DRILLING A DRILL.
NO862062L
(en )
1986-12-01
PROCEDURE AND DEVICE FOR CONTROLLED DRILL DRILLING.
NO910250D0
(en )
1991-01-22
PROCEDURE FOR DRILLING A BROWN AND DRILL / LINING PROTECTION DEVICE.
NO163640C
(en )
1990-06-27
DEVICE FOR SIGNALING IN A DRILL HOLE DURING DRILLING.
NO894636D0
(en )
1989-11-21
PROCEDURE AND APPARATUS FOR PAINTING A Borehole ASIMUT DURING DRILLING.
NO934826D0
(en )
1993-12-27
Procedure and device for seismic survey, using a working drill bit in a bridge
ITTO920709A0
(en )
1992-08-21
PROCEDURE AND EQUIPMENT FOR CONTROLLED PENETRATION DRILLING.
AU3838689A
(en )
1990-01-23
A device for drilling in and/or lining holes in earth
NO873876L
(en )
1988-03-18
PROCEDURE AND DEVICE FOR LOADING AND DEFENDING MEASUREMENTS ON A DRILL STRING.
NO158896C
(en )
1988-11-09
DEVICE FOR SIGNALING IN A DRILL HOLE DURING DRILLING.
NO881334D0
(en )
1988-03-25
PROCEDURE AND MANAGEMENT FOR MANAGED DRILLING.
NO900458D0
(en )
1990-01-31
PROCEDURE AND CORE DRILL FOR FURTHER DRILLING OF BORROWHOLDS IN UNDERGROUND MOUNTAIN FORMS.
DK25891D0
(en )
1991-02-14
DEVICE FOR DRILLING HOLES IN THE EARTH
GB2288838B
(en )
1996-07-24
A device for drilling holes in the crust of the earth, especially for drilling oil wells
NO154674C
(en )
1987-01-07
DEVICE FOR SIGNALING IN A DRILL HOLE DURING DRILLING.
NO172701C
(en )
1993-08-25
BROWN LOGGING UNDER DRILLING
NO863031D0
(en )
1986-07-28
PROCEDURE AND DRILL STRING FOR DIFFERENT DRILLING, AND BOEY DEVICE FOR SUCH DRILLING.
DE69104427D1
(en )
1994-11-10
Underground drill bit and associated procedure.
NO893604L
(en )
1990-06-28
PROCEDURE AND DEVICE FOR DRILLING A RIGHT BURN DRILL.
IT8920769A0
(en )
1989-06-02
METHOD AND DEVICE FOR DRILLING A HOLE IN A ROCK.
NO870968L
(en )
1987-11-30
DEVICE FOR DRILLING AND COMPLETING A BROWN.
NO911650D0
(en )
1991-04-25
DRILL PACKING DEVICE AND PROCEDURE FOR DRILLING THIS.
NO811446L
(en )
1981-11-23
PROCEDURE AND DEVICE FOR SIGNALING IN A Borehole during drilling.