The phenomenon that the oil and gas producing horizons in wells SN 7 and SN 8 are out of the area of the structural trap is explained through calibrating the seismic response against the depth of the layer with oil and gas shows in well SN 7 and studying the relation between hydrocarbon and impedance velocity by inversion data.
In the study of reservoir,comprehensive utilization of well log,geological andseismic data is the basis of integrated interpretation, the key of which is how to usewell log data to calibrate seismic records.
The experiment proves that the precision of the relative datum established by this method is better than 50 nm·s -2 . It is not only beneficial to extract the seismic gravity precursor information, but also can optimize and evaluate the quality of regional gravitational network, and calibrate and detect the parameters of gravimeters and their variations.
②it can directly use t 0=2H/V a to calibrate horizon on migration section and needn't correct for horizontal layer,crest or low point of structure and dipping bed;
2偏移剖面标定层位 ,无论是在水平地层、构造高点、构造低点还是倾斜地层部位 ,都无须校正 ,可直接用 t0 =2 H/ Va 进行标定 ;
Considering that to calibrate the geomagnetic instruments is difficult and complex, and all calibrating system in existence in our country cannot satisfy the demand of high precision geomagnetic device, a tri-axis coil system is designed in which the geomagnetism is compensated by the feedback from a following fluxgate magnetometer.
To calibrate model parameters where measured discharge data is unavailable, a methodology for model parameter transfer is introduced to transfer model parameters from data-rich areas to data-sparse areas.
The linearity of calibration curve provided by SEKI was similar to that offered by non-bias hydrodynamic injection (HDI) but significantly better than that obtained by EKI.
The concentration of reserpine in urine was directly and quantitatively measured by using the excitation-emission fluorescence (EEM) combined with three-way calibration methodologies.
Two calibration methods are based on the alternating trilinear decomposition (ATLD) and the self-weighted alternating trilinear decomposition (SWATLD) algorithms, respectively.
By calibrating a precision Zener-diode voltage standard, it is shown that the uncertainty of this calibrator is no more than 20-50 nV at a voltage level of 1 V.
While calibrating a light source against a reference light source, the spectrum of the latter often does not coincide with that of the calibrated source.
The temperature stability of photoinduced fiber refractive index gratings at different demarcation energies was calculated on the basis of the data obtained.
The results of studies of genetic regulation of the early leaf morphogenesis, demarcation of the future primordium and transition of cells to determination, have been reviewed.
In addition, it enables one to clarify conditions under which the morphologies form, as well as to explain the effect of target temperature on the demarcation line between the morphologies.
An unequivocal demarcation of frequency and pressure effects and of inotropic mechanisms as just as impossible, because, with the exception of VmaxDP, all parameters react quantitatively and qualitatively in an equal manner.
Test results indicate that the accuracy and repeatability are high, and the method can be used to calibrate geometric errors on the plane of CNC machine tools after backlash errors have been well compensated.
These isotopes are required to calibrate automatic installations used for determining noble gases at international stations of radionuclide monitoring.
In this paper, the results of earth tidal observations obtained from Beijing, Wuhan, Shanghai, Kunming, Lanzhou, Urumqi, Guangzhou, Shenyang and Qingdao stations are discussed, and compared with the earth's model with ocean and liquid core. We pay great attention to the problem of instrumental determination. The results show that the accuracy of modelling the effect of earth tide has reached 0.6 μgal.
Sixty infiltration tests were carried out with double-ring infiltrometer at a loess field 40km from Hannover. The data of each test were used to-determine sorptivity S and hydraulic conductivity A in Philip's equation I = St++At. Owing to the great variability of the parameters S and A, the infiltration data have been scaled according to the concept of similar media. A new method for determining the scaling coefficients was introduced. The semi-variograms of the scaling coefficients were used to determine t...
In this paper the scaling theory is introduced into the computation of watershed runoff production in order to simulate the spatial variation of the latter by combining soil physics with hydrology. The scale factor, representing the extent of spatial variation of soil property and with a log-normal probability distribution, is used for dividing the watershed into units. A model of watershed runoff production, considering the spatial variation of soil propiperty, is developed by means of scaling the unit inf...
标定
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