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Keywords: reservoir
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Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201913-MS
... Abstract The article presents the results of the salinized reservoir rocks comprehensive studies, made for the first time at Severo-Domanovichi oil and gas area in Pripyat Trough. The comprehensive studies were carried out in following aspects: the types of rocks salinization...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201825-MS
... proppant suspended and provide effective vertical (proppant transport along the frac) and horizontal proppant distribution. Despite the unquestionable advantages, crosslinked fluids have significant drawbacks – contamination of reservoir and proppant pack, presence of irreducible guar residues...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201814-MS
... be many options for explaining a sharp drop in horizontal wells in tight reservoirs: non optimal completion design or horizontal well liner damage, influence of well trajectory (formation of water locks in the zones of wellbore deflection), collapse or damage of hydraulic fractures (especially the side...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201813-MS
... Figure 1 Micrograph of a sample of the Bazhenov formation containing kerogen at a high stage of catagenesis (MC3-MC4 degree of catagenesis) reservoir characterization complex reservoir organic matter geochemical characterization shale gas catagenesis log analysis structural...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201824-MS
... Abstract The issue of increasing reservoirs recovery rate in non-uniform permeable high-viscosity oil reservoirs is considerably challenging, especially when the oil under reservoir conditions manifests its structural-mechanical properties, which is characteristic of the Buzachi North oil field...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201811-MS
... Abstract The aim of this work is to develop an approach to multivariate optimization of development systems for tight oil reservoirs of the Achimov formation, where large volume of drilling of RN-Yuganskneftegaz LLC are currently concentrated on. The approach described in the paper...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201835-MS
..., a selection method of activator for indigenous energized microorganisms in Daqing oilfield with low permeability reservoirs was proposed. Firstly, the number of microorganisms in samples taken from production and injection wells in the target block was measured. Based on the obtained results, the condition...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201968-MS
... In theory, two extreme cases of connectivity are possible. The uppermost case in the reservoir can be achieved in two ways: all cells have the same N/G value that corresponds to average fraction of reservoir; reservoir cells form extremely homogeneous layer ( fig 1 , center and right...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201929-MS
... Data mining techniques offer great benefits through extracting important information from the abundance of data being collected from the reservoir. In addition to being beneficial for directing operations strategy, the production and injection data can help determine reservoir connectivity...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-202057-MS
... solution immediately in the work process, ensured by the simplicity of fluid making-up and high hydration rate. Despite the obvious advantages in using synthetic fluid systems over standard guar-based systems, until now they have not been widely used in conventional reservoirs. This is supported by poor...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-202026-MS
... According to the structure of the void space, each facies was divided into three types of reservoirs: fractured, fractured-pore and porous-cavernous. The fractured-porous reservoir type occupies the bulk of the reservoir. The main problems in understanding the position of the OWC...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-202007-MS
... The rise of the gas-water contact and gas wells waterflooding is a natural process in the case of an elastic water drive. The following problems of thin Cenomanian deposits are presented: low density of gas reserves, active water penetration into the reservoir, which leads to the abandonment...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201901-MS
... The main target is divided into two zones by reservoir fluid properties – the northern and the southern. Within the northern zone, the near-top part of the section is represented by sandstones of proximal delta front which underwent wave processing and demonstrates sorted massive sand granules...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201912-MS
... Eequations of the mass conservation law for a four–phase flow in a reservoir has the form (7) - (10). Here and further, the following indexes of parameters belonging to one of the substances are used : «o» – oil, «w» – water, «g» – gas, «s» – wax solid particles, «sk» - reservoir...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201921-MS
... Figure 1 Concept of the "Decision Support System for Drilling Optimization in Prospective Areas of Tight Oil Reservoirs" module Based on the characterized field database, that comprised vast amount of geological information (paleographic maps, well logs signatures, etc...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201849-MS
...) that is associated with the drilling and well construction process. From vuggy-losses in the overburden, to managing increasing losses and differential sticking within the reservoir; a number of key challenges have been identified; many have been addressed, others are in action and a few remain opportunities...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201866-MS
... to an increase in the length of horizontal reservoir sections and the number of hydraulic fracturing stages. Since the beginning of the complicated horizontal wells’ drilling at the Urengoyskoye oil and gas field, the average length of the horizontal wellbores has increased from 1000 to 1500 m, and the number...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 22–24, 2019
Paper Number: SPE-196964-MS
... In connection with the current situation in the oil and gas industry, there is an urgent need to apply an effective model of field development and methods of reservoir intensification. An important factor determining the effective model is the increase in the coefficient of recoverable reserves...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 22–24, 2019
Paper Number: SPE-196989-MS
... Table 1 Ranges of changes in the geological and physical parameters of hydrocarbon plays with the carbonate-type reservoirs Hydrocarbon plays Occurrence depth, m Net thickness, m Porosity, % Oil viscosity, mPa·s Reservoir temperature, °C Reservoir pressure, MPa...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 22–24, 2019
Paper Number: SPE-197009-MS
... of the methods, and and prospects for further development of the topic to improve the approaches of practical application. drilling fluids and materials particle filter cake pore size permeability upstream oil & gas psd reservoir drilling interval spurt filtration composition filtration...

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