... of low salinity water were determined, prospective composition for water injection were analyzed. The efficiency of oil displacement by formation water and low salinity water are observed during the spontaneous imbibition experiments and coreflood tests to compare the efficiency of formation and low...

..., the described model parameters with defined range of uncertainty has been incorporated into the forecasting of degassing efficiency in the mine using different well completion technology. From the hydrodynamic modeling point of view, the coal seam gas (CSG) reservoir is presented as a dual porosity medium...

... makes it possible to effectively solve the issues of improving the environmental friendliness and energy efficiency of oil production. The use of composite hydrocarbon solvents is one of the most well-known methods used to remove asphaltene-resin-paraffin deposits. Thus, to date, there is no systemic...

... characterization flow in porous media enhanced recovery thermal method shale oil complex reservoir upstream oil & gas efficiency sagd structural geology experiment displacement composition hydrocarbon surfactant solution nanoparticle hydrocarbon resource steam-assisted gravity drainage fluid...

... exhibition arrangement directional drilling residual resistance factor composition water cut north komsomolskoye field efficiency inflow compound packer reservoir gas inflow straddle system injection Introduction The causes and sources of excessive inflow of water and gas in oil wells...

... been a tendency in design solutions to increase the length of the HWs and the number of hydraulic fractures with a decreasing distance between the frac ports and a decreasing specific mass of the proppant per frac port. This work studies the actual and theoretical efficiency of HW with MSHF of various...

... be a reason of complications (absorption, sticking) when drilling low-permeability reservoirs. The concentration of the marble bridging agent should be determined, taking into account several factors: solids control equipment efficiency, formation permeability, density and drilling fluid composition...

... Abstract The aim of the work is to create representative 1D- and 3D-models of surfactant-polymer flooding, considering the most significant physical and chemical phenomena that occur during this process, and further efficiency evaluation of the method. The paper describes approaches...

... a basis for the effective implementation of similar hydraulic fracturing fluid systems and increasing of well productivity following in the result of well stimulation. fracturing fluid oilfield viscosity hydraulic fracturing atm efficiency proppant polymer destructor fracturing materials...

... of the formation A4 consists of the Vereiskan clay-siltstone sequence. reservoir surveillance novel technology reservoir pressure reconstruction well 1 production monitoring drillstem/well testing variation production control upstream oil & gas efficiency drillstem testing pressure build-up...

..., recording of inflow profiles, laboratory studies of the Priobskoye field's own core. Evaluation of the potential of gas enhanced oil recovery methods shows their significantly higher efficiency compared to stationary waterflooding. The suggested approach can minimize the risks in the transition...

... Abstract Drilling is traditionally considered as one of the most challenging and expensive areas in oil and gas industry, and its efficiency, against the background with the of unstable forecast in current situation with growing oil prices, both defines the efficiency of capital investments...

... Abstract The paper presents the results of a pilot project implementing WAG injection at the oilfield with carbonate reservoir, characterized by low efficiency of traditional waterflooding. The objective of the pilot project was to evaluate the efficiency of this enhanced oil recovery method...

... Abstract The purpose of this work is to analyze the prospects for efficiency increasing of high-tech wells construction using a drilling complex based on downhole permanent magnet motor. For the first time, the article provides information about new drilling complex. Considered technology...

... an area analysis of the area development efficiency. This type of research is relevant both in giant fields with a large stock of production wells, often characterized from a geological point of view by multilayer structure, with technological complexity, packing, wear of equipment and strings, in some...

... Abstract As geological environment becomes more complicated, specifics of oil fields with high gas content more demanding, and the Company's requirements for assets development efficiency more stringent, new challenges arise that require application of high-tech approaches and new tools...

..., tackling errors exposed within the system through trial and error to boost the experience and optimize workflow. efficiency sajel sensitive information mobile system upstream oil & gas impact on the environment private sector requirement digitization move data government sector...

... of a liquid loading of wells. This necessitate the optimization of the existing method of liquid unloading by dosing surfactants into the annulus. In order to increase the efficiency of well treatment with a foaming agent, the use of a surfactant injection system through a capillary string suspended inside...

... Abstract The article presents a new method of determining the residual water saturation of the Bazhenov Rock Formation using synchronous thermal analysis which is combined with gas IR and MS spectroscopy. The efficiency of the extraction-distillation method of determining open porous...

...Technical Issue The efficiency and new wells lifetime depend on the correct selection for the well pad installation and geological targets delineation. Currently, there is no regulatory document and LND that would fully determine the process of well pad and horizontal well placement...