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d~V~+I~~I~~W~~d~~IIINII ,~ ~~~ <br />4 <br />on the le(thand track <br />used to: <br />modern interpreting. <br />nction with a neutron <br />es a sharp decrease in <br />y porosity". <br />ne time indicates the <br />ro thesondeshownin <br />oelectric absorption" <br />formation. Figure 4.5 <br />n factor (P,) of the <br />(4.4) <br />ber of all the atoms in <br />(pb) and the U factor <br />U <br />4.73 <br />13.77 <br />9.00 <br />14.9 <br />9.63 <br />55.90 <br />82.10 <br />1065.00 <br />17.58 <br />8.69 <br />4.41 <br />4.32 <br />I <br />4 <br />NUCLEAR w'eLL LOGGING <br />LETHOAENSITY LOG <br />CALIPEA,~.~,r.~s..n P0A0SIiY IXUFl N1. ~rrm++•~•~• <br /> r <br />6AMAq AAT..~unna <br />[OU 14410 nrrrr•pyry•0~rr <br /> •. ro ~f o <br />__-__ <br />______ <br />_~____ <br />,_____ <br /> r <br />~ <br />7 <br /> hlMeff <br />e.+.~.ne~+cy <br /> <br /> <br /> . <br />111 ~; ^~- <br /> ~ <br /> >oo J <br />(: <br />~-~ <br />~ I <br />1 ~ ~_._ _ <br />. _._. <br />._._?..5 <br />:_x. <br />.,1 <br /> a <br />1 <br />a - <br /> I <br />I ll <br /> <br /> . <br /> ' I f~ I F ~ ~ <br />~ <br /> r I ; <br /> ~i ~?•~~ <br /> <br /> <br /> ' <br /> , <br /> i <br /> <br /> I -" <br />+ ~ TI (-~ <br /> I ~- <br />; <br />I ~ .. <br />- <br /> <br /> S <br /> <br />r ..~~-._ '_il I ~j ~I i I <br /> .. { _ <br /> I - -_ <br /> <br /> iF -1 <br />~ <br /> I ~ - ~S~ - <br />I <br /> - i <br /> - <br />- <br />' __ i <br /> - <br />-~ <br /> <br /> ~ <br /> i i •oo i.:~~:r~ i~ i ~~~~. <br />i i ~ i <br />Fig. 4.5. -Example of Litho-Density loe. <br />(Schlumberger document) <br />159 <br />