
spectral shabda logging

kinarinte samagratha vishakalanam cheiyunnathinum uthppaadanavum kuthivayppu edavelakalum thirichariyunnathinum jalasambharaniyude hydrodynamic swabhaavasavisheshathakalkkum enna, vathaka kinarukalil upayogikkunna oru shabda alakkal saankethikathayaanu spectral noys logging (snl). reservoiriloode draavakam allengil vaathakam ozhukunnathiloodeyo thaazhathe kinarile gadakangalile chorcha moolamo undaakunna shabdashabdam snl rekhappeduthunnu.
vikasana charithram.
petroleum vyavasaayathil niravadhi pathittaandukalaayi shabdamundaakkal upakaranangal upayogikkunnu. 1955 muthal, casing dwaarangal thirichariyunnathinaayi samagratha vishakalanathil oru acoostic dittaktar nirddeshikkappettu. eee klaas prasnangalil, shabda loginginte karyakshamatha thaapanila sarvekalumaayi thaarathamyappeduthaavunnatha. 1973-ll mckinley nishkriya shabda loginginulla thante saankethikavidya avatharippichu, athil signalukal niravadhi, udha.jii. moonno naalo, oro alavu aazhathilum aavruthi shrenikalundu. eee reethi, alavilum gunaparavumaya vivara vyaakhyaanathin anuvadikkukayum petroleum vyavasaayathiludaneelam saadhaaranamaayitheerukayum cheythu.
niravadhi varshangalayi, pravartthana kinarukalude inflo, injectivity profiling, chorcha kandethal, kesinginu pinnilulla cross-floyude sthaanam, reservoir draavaka ghadana nirnnayikkunnathil polum daunhol noys logging upakaranangal phalapradamaanennu thelinju. phalapradamaaya jalasambharaniyude kanam nirnnayikkaan shabda logging engane upayogikkaamenn robinson (1974) vivarichu.
bhauthika thathwangal.
orotta chaanaliloode draavakathinteyo vaathakathinteyo prakshubdhamaaya ozhukk vazhi shabda ulppaadana sidhaantham pala rachayithaakkalum nannayi vishadeekarichittundu, athesamayam sushirangalulla jalasambharanikaliloode draavakathinte ozhukk vazhi shabda aandolanangalude uthpaadanam ippozhum nannayi manassilakkiyitla. kramarahithamayi vyathyasthamaaya gunangalulla sushirangaliloode ozhukunna draavakathinte shanikamaaya pulsing vazhi shabda uthppaadanathinte samvidaanam ulppede vividha bhauthika maathrkakal nirddeshichittundu (saslavsky, 2005). draavakathinte ozhukk srishtikkunna shabda signalil roock maatriksinte ilaastik compressibilityude phalavum eee paper vivarikkunnu. kaappilarikalil ninnu rakshappedukayum vishalamaaya sushirangalilekku praveshikkukayum cheiyunna draavaka microflokalude prakshubdhathaye adisthaanamaakkiyulla aerodynamic modalaan (laitthil, 1954) niravadhi shabda ulppaadana modalukalil prathyekichum sradheyamaayathu. saadhaaranayaayi, nilavilulla eee modalukalellaam saadhuthayullavayaanu, mukalil paranja ellah prathibhaasangalum shabdamundaakkaan kaaranamaakunnu.

