... Although this implies a vast number of gas seepage sites it is probable that only a small proportion of the pockmarks are currently ‘active’. pockmark gas seepage survey llne sediment witch reservoir characterization mlgratlon plume upstream oil & gas bright spot safety offshore...

... specification application time domain primary-to-bubble ratio reservoir characterization upstream oil & gas acquisition peak power signature contractor source specification offshore water gun specification bandwidth sparker frequency spectrum safety HIGH RESOLUTION SEISMIC SOURCE...

... and for a modified Kirchhoff migration process that simultaneously compensates the amplitude decay that accompanies geometrical spreading. consultant vertical profile seismic method sample rate objective england reservoir characterization horlzon exploration ltd upstream oil & gas application...

... quality seismic survey field ouality control qc analysis field quality control upstream oil & gas information processing system application database reservoir characterization offshore onboard processing system data string safety hydrosearch marine data acouisition limitation FIELD...

... processlng house correction high resolution seismic data brute velocity function processlng reservoir characterization relative amplitude display amplitude sectlon processing procedure requirement bright spot safety anomaly PROCESSING PROCEDURES FOR HIGH RESOLUTION SEISMIC DATA K P Games G...

... before the hole was opened out to 26" diameter. wlth brlght spot whlch avo anomaly avo processing reflector high resolution seismic data offshore gas hazard lnterval sectlon upstream oil & gas locatlon safety contractor relative amplitude stack reservoir characterization...

... gas reservoirs (Figure 4) reservolr category side scan sonar data upstream oil & gas reservoir characterization offshore mlgratlon path shallow gas reservolr analogue seismic whlch safety sediment structural geology interface gas chimney reflector amplitude anomaly shallow...

... information regarding he probability of encountering hazardous shallow gas. sectlon sequence amplitude anomaly techn que whlch lnterpretatlon anomal es ampl tude selsmlc accumulat whlch 1 reservoir characterization shallow gas philosophy phase reversal processlng anomaly assessment...

.... In this paper we will demonstrate some additional proce reservoir characterization refracted arrival saturation amplitude safety gas saturation shallow gas prediction wlth attenuation borehole data anomaly shallow gas attenuatlon predlctlon impedance seismic data offshore prediction...

... and Amplitude Versus Offset, forward modelling in instances where the nature of a possible gas indicator is uncertain and the use of numerical techniques (e g calibrated colour amplitude) rather than a qualitative estimate. offshore amplitude gas hazard analysl reservoir characterization safety...

... on a workstation, acquisition and processing quality control must be rigorous. reliable shallow gas detection key component future approach anomaly upstream oil & gas gas hazard data offshore reservoir characterization interpretation shallow gas detection signature workstation amplitude...

... survey data procedure gas accumulation offshore mobile drilling rig site survey acquisition resolution site survey reservoir characterization UKOQA RECOMMENDED PROCEDURES FOR MOBILE DRILLING RIG SITE SURVEYS (GEOPHYSICAL AND HYDROGRAPHIC) - SHALLaW GAS ASPECTS P.M. Walker Shell U.K...

... interpretation techn que ukooa procedure target horizon mlgratlon acquisition fold data lngredlent shallow gas survey requlrement procedure upstream oil & gas prediction blowout interpretatlon hlghl ghted reservoir characterization offshore dr slngle fold data operator tv in Offshore D...