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Keywords: variation
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Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206490-MS
... of the formation A4 consists of the Vereiskan clay-siltstone sequence. reservoir surveillance novel technology reservoir pressure reconstruction well 1 production control upstream oil & gas efficiency deconvolution aslanyan production monitoring drillstem/well testing variation history...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206507-MS
... (MRT). Four sections were selected for further analysis, MRT was able to reconstruct the reservoir pressure variations and production coefficient at the tested well, the influence of the offset wells on the tested wells has been evaluated, along with transmissibility at the cross-well interval...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206541-MS
... injection reservoir illustration directional drilling hf port variation development system efficiency matrix wellbore Introduction For most oil and gas fields with low-permeability reservoirs, the use of horizontal (including multilateral) wells with multistage HF is one of the few cost...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-202027-MS
... The third group of methods investigates the uncertainty of the inverse problem through variation in the initial approximation. To do this, after obtaining the final depth velocity model, a series of solutions to the inverse problem with different initial approximations is made, for which various...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 22–24, 2019
Paper Number: SPE-196899-MS
... acoustics: elastic properties TIV-anisotropy, variation of Biot coefficient adjusted to mechanical facies, correlations between static elastic properties and petrophysical parameters based on core measurements. Lab measurements on oriented core samples revealed elastic properties anisotropy that caused...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 22–24, 2019
Paper Number: SPE-196925-MS
... Reservoir Surveillance condensate reservoir drillstem/well testing Upstream Oil & Gas production monitoring complex reservoir gas condensate field deconvolution interference transient response variation pressure transient response production control Drillstem Testing...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 22–24, 2019
Paper Number: SPE-196847-MS
... control by adding independent information from gravimetric variations and finding its relationships with fluid saturation variations in the reservoir; prediction GOC or GWC shifting according to gravity data; precise surface elevation control in time (geodynamics). TLG is considered...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 22–24, 2019
Paper Number: SPE-196881-MS
... to preserve geological realism and an example of its application in one of the fields in Western Siberia. The method assumes takes into account all identified uncertainties at the early stages of geological model construction and their synchronized variation within realistic limits during HM...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 22–24, 2019
Paper Number: SPE-196845-MS
... Abstract We present an approach of passive acoustic logging data interpretation to estimate wellbore fluid holdup variation along the wellbore due to the fluid inflow. The algorithm uses machine learning methods for the analysis of acoustic fields generated, in particular, by flow noise...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 15–17, 2018
Paper Number: SPE-191637-18RPTC-MS
... as the reservoir rock mechanical properties, cap rock and footprint properties. To reach the desired production indicators it is necessary to conduct the modelling which permits choosing the optimal parameters for FRAC — FRAC liquids, proppant, order and volumes of injection. Evaluating the stress variation...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 16–18, 2017
Paper Number: SPE-187795-MS
... of many development options in order to find the optimal one. At the second stage, the parameters that are most uncertain are selected, the maximum possible limits of their variation are justified. Then sensitivity analysis is carried out - the effect of each parameter on hydrocarbon production levels...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 16–18, 2017
Paper Number: SPE-187813-MS
... The research program was carried out successfully in the period of 2014-2016. Fourteen downhole samples were taken from different lenses of F1-2. Bringing in fault data suggested the south-east homogeneity zone in the line of two extended faults with some variation in the area...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 16–18, 2017
Paper Number: SPE-187861-MS
... PVT-simulation with sequential stepwise gas saturation with equilibrium condensate to the dew point pressure that corresponds with the pressure at the gas-oil contact (GOC). The obtained composition at the GOC is then used to reproduce the variation of gas composition and condensate content...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 16–18, 2017
Paper Number: SPE-187927-MS
...’ as a means of minimising the need in workovers and tripping operations in artificially lifted wells. production monitoring Upstream Oil & Gas transient step response formation pressure Reservoir Surveillance effective thickness variation evaluation production control production logging...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 16–18, 2017
Paper Number: SPE-187897-MS
... for the structural framework. For deep horizons the seismic error increases, that makes the problem of taking into account the structure variation is relevant. In this article the methodology for estimating structural uncertainty from seismic and well data is described using the example of the unique offshore oil...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference and Exhibition, October 24–26, 2016
Paper Number: SPE-181933-MS
..., but for local pressure losses associated with variations of the drillstring, BHA, bit and well cross sections, existence of tool joints, eccentricity of the string in the well, etc. The numerical method presented in the paper is based on the Godunov type scheme, which enables significant decrease in calculatin...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference and Exhibition, October 24–26, 2016
Paper Number: SPE-181966-MS
... dependent on a varying tortuosity or pore space connectivity, hence varying irreducible water saturation. Due to varying tortuosity or pore space connectivity the resistivity of reservoir rock may also vary. Variation of resistivity (R T ) described by Archie equation through variation of water saturation...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference and Exhibition, October 24–26, 2016
Paper Number: SPE-182047-MS
... simulation software were used to produce a large series of simulation runs. Data analysis produced stable relationship of recovery factor to water cut for a simplified field block considering variations in facies distribution parameters and dip angle. Due to complexity and uncertainty of real field...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–28, 2015
Paper Number: SPE-176591-MS
... in the Achimov formations and the necessity of carrying out such measurements to validate the hydrodynamic reservoir model. To understand the validity of the samples acquired downhole a simulation was carried out further showing the range of possible variations of the basic PVT properties of hydrocarbons during...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–28, 2015
Paper Number: SPE-176734-MS
... Modeling & Simulation monitoring seismic survey field development seismic data Reservoir Compaction variation Reservoir Development producer seismic monitoring interpretation repeatability neocomian interval Filanovsky field saturation elastic parameter reservoir Under...

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