DK0759563T3
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2003-03-17
Apparatus and method for measuring the resistivity of underground formations
NO980604D0
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1998-02-12
Method and apparatus for completing an underground well
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1998-02-12
Method and apparatus for completing an underground well
NO980602D0
(en )
1998-02-12
Method and apparatus for completing an underground well
NO20010994D0
(en )
2001-02-27
Method and apparatus for determining the nature of underground reservoirs
NO954270L
(en )
1996-05-02
Method and apparatus for measuring the conductivity of a geological formation, and apparatus for carrying out the method
NO305718B1
(en )
1999-07-12
Method and apparatus for sealing the intersection point between a main borehole and a borehole
NO973266D0
(en )
1997-07-14
Apparatus for completing an underground well and associated method
NO983366L
(en )
1999-01-25
Method and apparatus for determining the path of boreholes
NO980591D0
(en )
1998-02-11
Method and apparatus for completing an underground well
NO980605D0
(en )
1998-02-12
Methods and apparatus for completing the underground well
NO972160D0
(en )
1997-05-09
Device and method for constructing a tool string
NO971202L
(en )
1997-05-16
Accelerator-based methods and apparatus for measuring during drilling
NO973265D0
(en )
1997-07-14
Device for completion of underground well and associated method
NO974704D0
(en )
1997-10-10
Apparatus and method for seismic borehole investigations
NO981139D0
(en )
1998-03-13
Method and system for measuring a borehole
NO972627L
(en )
1997-12-08
Method and apparatus for depth determination of a borehole formed in a subsurface formation
NO984262D0
(en )
1998-09-15
Method and apparatus for evaluating geological formations
NO944891L
(en )
1995-06-19
Method and device for deviation drilling
NO953948L
(en )
1996-04-22
Method and apparatus for measuring drilling conditions
NO990841D0
(en )
1999-02-22
Apparatus and method for measuring formation density in uneven boreholes
NO972364D0
(en )
1997-05-23
Apparatus and method for detecting changes in formations
NO174479C
(en )
1994-05-11
Method and apparatus for drilling a hole in the rock
AU3015295A
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1995-10-26
Method and apparatus for measuring three dimensional stress in rock surrounding a borehole
GB2328746B
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2002-09-18
Method and apparatus for determining the shape and the diameter of an earth borehole,and for measuring the acoustic velocity in earth formations