Suprajitno Munadi
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SEISMO-ELECTRIC PHENOMENA FROM GRANITE CRACK CONTAINING CRUDE OIL Suprajitno Munadi
Scientific Contributions Oil and Gas Vol 30 No 1 (2007)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.30.1.974

Abstract

Seismo-electric phenomena gained more attention from geophysicists over the last decade.The development of theoretical background and the success of laboratory experimentsas well as limited field applications give a lot of opportunities and hope as a meansfor providing exploration and production data. Seismo-electric effect accommodates anyphenomena which links seismic and electrical energy including seismic to electric conversionas well as electro kinetic in origin.Experiment has been conducted to prove that free ions can be considered to accumulateinside a granite crack containing crude oil which in turn can generate stream oscillatoryelectric current when a seismic wave hit the fracture. As a result, electric potential canbe detected at the mouth of the fracture which intersects the borehole. The environmentalnature of the mouth which is full of fluid facilitates the detection of high resolution seismoelectricsignal by simple electrodes which is made of metal.
THE EFFECT OF OIL CONTENT ON SONIC WAVE PROPAGATION (Analyses from Well Log Data) Suprajitno Munadi
Scientific Contributions Oil and Gas Vol 30 No 2 (2007)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.30.2.983

Abstract

The effect of fluid content to the sonic wave propagation in the reservoir rock hasbeen studied experimentally using the well log data. Evidence shows that the water contentaffects the sonic wave propagation only in a specific interval, while oil content also affectsthe sonic wave propagation but at a specific low interval. There is a discontinuity wherethe effect of oil content changes suddenly with an increasing oil content. Higher than thisvalue it seems that there is no effect of oil content on sonic wave transit time.
Spektrum Geofisika Reservoir Suprajitno Munadi
Lembaran publikasi minyak dan gas bumi Vol 40 No 1 (2006)
Publisher : BBPMGB LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.40.1.610

Abstract

Geofisika reservoir mempunyai spektrum yangcukup luas. Hal ini muncul sebagai akibat daripenelitian, pengembangan dan penerapan berbagaidisiplin ilmu yang dimuarakan untuk kepentingan pemelajaran reservoir. Berbagai macam permasalanpraktis yang muncul pada waktu melakukanpemelajaran reservoir memunculkan banyakpengethuan baru dan metodologi baru yang kemudiandimuarakan dalam spektrum geofisika reservoir.Bidang kajian Rock Physics tidak dimunculkan dalamspektrum geofisika reservoir karena topik ini ibaratgunung es yang muncul ke permukaan di geofisikareservoir akan tetapi sebagian besar dari body-nyamalahan ada di ilmu dasar.Semua cabang ilmu tersebut berinteraksi danmenghasilkan produk-produk kombinasi yangkemudian menjadi alat atau metode pemelajaran reservoiryang canggih yang kita kenal sekarang ini.