... strategies through advanced data processing methods. Over 100 oil samples from different fields were analyzed to determine the chemical composition of oil and its fractions. Gas chromatography and high-resolution mass spectrometry were used to identify various compounds. Advanced clustering methods allowed...

... samples based on 11 aromatic compositions, while gas chromatography analysis was performed to determine the environmental condition of the source rock in which the oil was formed. Table 1 Conditions for analysis on chromatographic and mass spectrometric equipment The conditions...

... of the newly devised method for water shut-off, using the thermally active gelling agent, surpassing the performance of established compositions in terms of technological effectiveness. geologist drilling fluid formulation carbonate reservoir geology sedimentary rock clastic rock upstream oil...

... consolidation. fluid dynamics geology upstream oil & gas reservoir geologist united states government mineral regime flow in porous media combustion activator-catalyst reduction technology reservoir consolidation enhanced recovery reservoir characterization application composition...

... with indications of up to 50% sour gas mixture ratio from samples in the injection area. Periodic PVT sampling in SGI area ensured to be a reliable way to monitor SGI maturing process. Besides of standard compositional PVT analyses, fluid samples were taken in 2019 sampling campaign with the objective of capturing...

... formation opem hydraulic fracturing artificial intelligence silicate modeling romanova filtration methodology composition mathematical modeling technology fractional composition pidhornyi institute Introduction During the operation of oil wells, their flow rates decrease not only due...

... saturation surfactant efficiency swag enhanced recovery breakthrough effectiveness agent water injection composition Introduction At this moment reserves in low-permeability reservoirs, according to various estimates, range from 36 to 41% of the total volume of hard to recover Oil reserve...

... refers to gas permeability, since gas permeability depends only on the shape and size of the filtration channels, at the same time the effect of mineralogical composition is minimized. But gas permeability highly depends on filtration rate and pressure drop. At low filtration rates, the permeability...

... in view of the possible irrelevance of information about the component composition of the fluid or the presence of components, which are not a parameter of the correlation relationship. The model can be used as a tool for online monitoring of hydrate formation risk in the node, depending on the current...

... sharifullin fracturing fluid hydraulic fracturing operation valve kog compressor agent saturation deposit composition concentration reservoir efficiency isaev optimization productivity Conventional methods of production intensification before 2012 were variations of acid treatment. Various...

... information on the actual inflow profile distribution and its composition, borehole contribution ratio, as well as water and gas breakthroughs in the boreholes of the wells in question based on the results of the long-term production surveillance using the innovative technology – markers for the oil, water...

...). Previous studies Despite ongoing exploration studies, there are still different hypotheses about the genetic sources of oils. For example, according to the results of studies of the composition of biomarkers performed by GEK LLP, 9 groups of oils were identified within the Northern Ustyurt, Buzacha...

... production chemistry climate change reservoir kashagan hydrogen carbon dioxide low-carbon hydrogen composition large-scale blue hydrogen production sustainable development kazakhstan elemental sulfur scenario 1 reserves evaluation social responsibility enhanced recovery scenario complex gas...

.../well testing well logging radial probe west kazakhstan formation testing wireline formation tester composition drillstem testing reservoir characterization hydrocarbon upstream oil & gas log analysis saturation fractured suprasalt carbonate field laboratory permeability...

.... log analysis depositional facies turbidity flow reservoir property reservoir characterization structural geology siltstone composition well logging facies zone facies enhanced recovery production well southern section western siberia yuzhno-vyintoyskoye field upstream oil & gas...

... Abstract A high performance technology has been developed for unstable waterflooding of layered-heterogeneous producing reservoirs of oil fields with a thermal gradient. The technology is based on cyclic injection of a thermoactive low-viscosity oil-soluble liquid polymer composition...

... origin. Moderate amounts of organic matter have been recorded in the Eocene sediments (on average 0.70%), in the Upper and Lower Cretaceous average values made up 0.39% и 0.42%, respectively. Analysis of bitumoid composition suggests that in a number of areas bitumoids have experienced a widespread...

... is application of polymeric fluids that do not contain a 3D polymer structure. Among such compositions, colloid dispersion systems are especially worth mentioning as they could be simultaneously used for water-oil mobility ratio control as well as permeability profile modification. Presented study considers...

... oils was also confirmed by its biomarker composition. Most of oil fingerprinting star plots in Aksay field are identical and form the sixth group, although the seventh group comprises only one oil № 47 in Aksay. Sample set with №8 was discovered in the pay zones of Taur field and well № 75, exploiting...

... of composition change over time. As a result of continuous improvement of existing model and close collaboration with multiple teams, IPSM model has proven its prediction capability with forecast accuracy of 99%. Current IPSM model is able to produce results for various streams: oil & gas production, gas...