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Oilfield Review Schlum b erger


E x e c utiv e E d itor Mark A. Andersen


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A d v isory E d itor Lisa Stewart


S e nior E d itors Mark E. Teel Matt Garber


E d itors Don Williamson Roopa Gir Matt Varhaug


Contributing E d itors Rana Rottenberg Joan Mead


D e sig n/ P rod uc tion Herring Design Steve Freeman


I l l ustra tion Tom McNeff Mike Messinger George Stewart


P rinting Wetmore & Company Curtis Weeks


1 4 S onic I nv e stig a tions I n a nd A round th e B ore h ol e


Advances in sonic tool design and data quality are improving our ability to characterize mechanical and fluid properties around the borehole and deep into the formation. This article highlights sonic-logging applications including measurements in ultraslow formations, radial profiling to identify near-wellbore damage, anisotropy analysis for designing completion opera- tions, enhanced permeability estimation and high-resolution imaging far from the borehole.


A Cl ose r L ook a t P ore G e om e try


Geoscientists are applying advanced medical technology to image internal structures of rock and core samples at high resolution. X-ray computed tomography provides a digital alternative to conventional core analysis. With the help of innovative visualization technology, digital core volumes can be virtually sliced, manipulated and viewed from any angle, revealing highly detailed information about porosity, permeability and rock composition.


O n th e c ov e r:


T h e C a s s i n i s p a c e p r o b e a p p r o a c h e s Sa t u r n a f t e r i t s 6 1


a c r o s s t h e s o l a r s y s t e m . So m e o f t h e i n s t r u m e n t s i t c a r r i e s a r e b a s e d o n o i l f i e l d t e c h n o l o g i e s a n d a r e d e s i g n e d t o h e l p s c i e n t i s t s p e r f o r m c l o s e - u p s t u d i e s o f Sa t u r n , i t s r i n g s , m o o n s a n d m a g n e t i c e n v i r o n m e n t .


 2 y e a r j o u r n e y


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w w w . s l b . c o m / o i l f i e l d r e v i e w O i l f i e l d G l o s s a r y


c orre sp ond e nc e to: O ilfie ld R e v ie w


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H o u s t o n , T e x a s 7 7 0 7 7 U SA ( 1 ) 2 8 1 - 2 8 5 - 7 8 4 7


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M a t t G a r b e r Sc h l u m b e r g e r C a m b r i d g e R e s e a r c h H i g h C r o s s , M a d i n g l e y R o a d C a m b r i d g e , E n g l a n d C B 3 0 E L ( 4 4 ) 1 2 2 3 3 2 5 3 7 7


F a x : ( 4 4 ) 1 2 2 3 3 6 1 4 7 3 E - m a i l : D i s t r i b u t i o n O R @ s l b . c o m


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