... gas wells. upstream oil & gas geologist sedimentary rock clastic rock complex reservoir reservoir surveillance mudstone transition engineering logarithm geology rock type united states government shale gas production control rate semilog petroleum engineer mudrock...

... evolutionary algorithm Upstream Oil & Gas reservoir pressure geologic model reservoir permeability field logarithm society of petroleum engineers permeability distribution downhole pressure data Sensitivity Study reservoir model Introduction Table 1 List of possible model calibration...

... ml oil recovery lower salinity limit upper salinity limit oil microemulsion phase behavior salinity limit enhanced recovery eacn reservoir pressure solubilization ratio logarithm equation Introduction For a well-designed surfactant flood, it is critically important to reduce...

... & Gas eigenvalue buildup time buildup data pressure derivative average pressure compressibility reservoir pressure extrapolation logarithm Drillstem Testing equation reservoir simulation reservoir surveillance reservoir production monitoring exponent coefficient buildup long buildup...

.... variation upstream oil & gas sensor radial position logarithm fluid dynamics flow in porous media vertical position pressure change input data wellbore sinusoidal pulse pressure data permeability field post-inversion permeability field inversion artificial intelligence numerical...

... mineral well logging log analysis spe 49301 specific surface area sandstone logarithm herron estimation upstream oil & gas log data fluid dynamics artificial intelligence surface area correlation coefficient log-log plot mineral robust permeability estimator SPE 49301 A Robust...

... porous medium particular realization realization logarithm plug fluctuation upstream oil & gas heterogeneity local permeability estimator experimental result equation limestone permeability fluid dynamics hypothesis propagator procedure agreement Introduction It is well...

... soliman exponent pressure decline upstream oil & gas hydraulic fracturing equation spe 20705 logarithm heterogeneous formation general minifrac analysis square root leakoff exponent coefficient straight line leakoff coefficient drillstem/well testing type curve Introduction...

... aspect du petrole reservoir sedimentary rock united states government permeability fluid dynamics complex reservoir productivity geologist rospo mare fractured dolomite geology europe government spe 13024 logarithm enhanced recovery clu 110 formula rock type objective INTRODUCTION...

.... In the past few years, the slope and position of the straight-line portion from position of the straight-line portion from transient pressure vs the logarithm of shut-in time plot has been used exclusively to determine the flow capacity, condition ratio and static pressure for oil wells with natural...

... psi. I ,p 100 REYNOLOS NUMBER FUNCTION Fig. 3 - Logarithm of drilling rate vs logarithm of Reynolds number function for three bit weights - other operating conditions [IS shown. INDIANA LIME N=75 RPM w=looo# 51 \O?O ?$v~\ 5%00 . + I ! 1 1 10 100 REYNOLDS NUMBER FUNCTION Fig, 5 - Logarithm of drilling...

... interference conglomerate well radius logarithm SOCIETY OF PETROLEUM ENGINEERS OF AIME 6300 North Central Expressway Dallas, Tex. PAPER S P E - 1 4 5 NUMBER THIS IS A PREPRINT SUBJECT TO CORRECTION SOME PROBLEMS IN PRESSURE BUILD-UP By William Hurst, Petroleum Consultant, Houston, Tex. Crville K. Haynie...