Hu Guo
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View article: Experimental Study on the Efficiency of Fracturing Integrated with Flooding by Slickwater in Tight Sandstone Reservoirs
Experimental Study on the Efficiency of Fracturing Integrated with Flooding by Slickwater in Tight Sandstone Reservoirs Open
Tight reservoirs, with their nanoscale pore structures and limited permeability, present significant challenges for oil recovery. Composite fracturing fluids that combine both fracturing and oil recovery capabilities show great potential t…
View article: An accurate identification and spatial characterization method for the development degree of preferential flow paths in water-flooded reservoir
An accurate identification and spatial characterization method for the development degree of preferential flow paths in water-flooded reservoir Open
Water flooding is one of the most important methods for oil field development, It accounts for more then 70% of China's crude oil production. However, in the progress of water flooding, preferential flow paths often formed between oil and …
View article: Age and petrogenesis of ore-bearing porphyry from the Houyu Mo-polymetallic deposit, central North China Craton
Age and petrogenesis of ore-bearing porphyry from the Houyu Mo-polymetallic deposit, central North China Craton Open
Porphyry-related molybdenum deposits formed within the plate's interior are unique, yet the understanding of the magmatic hydrothermal Mo system remains limited. Houyu is a typical porphyry-related Mo-polymetallic deposit situated in the i…
View article: Remaining Oil Distribution Law and Development Potential Analysis after Polymer Flooding Based on Reservoir Architecture in Daqing Oilfield, China
Remaining Oil Distribution Law and Development Potential Analysis after Polymer Flooding Based on Reservoir Architecture in Daqing Oilfield, China Open
Polymer flooding has drawn more and more attention in the world for its high incremental oil recovery factor and relative low costs compared with water flooding and other chemically enhanced oil recovery techniques. However, for many oilfi…
View article: Recent Advances in Polymer Flooding in China
Recent Advances in Polymer Flooding in China Open
Polymer flooding is drawing lots of attention because of the technical maturity in some reservoirs. The first commercial polymer flooding in China was performed in the Daqing oilfield and is one of the largest applications in the world. So…
View article: A Brief Review of Capillary Number and its Use in Capillary Desaturation Curves
A Brief Review of Capillary Number and its Use in Capillary Desaturation Curves Open
Capillary number, understood as the ratio of viscous force to capillary force, is one of the most important parameters in enhanced oil recovery (EOR). It continues to attract the interest of scientists and engineers, because the nature and…
View article: Genesis of Megacrystalline Uraninite: A Case Study of the Haita Area of the Western Margin of the Yangtze Block, China
Genesis of Megacrystalline Uraninite: A Case Study of the Haita Area of the Western Margin of the Yangtze Block, China Open
Megacrystalline uraninite (up to one centimeter in size) represents one of the most important discoveries in uranium mineralogy in the western margin of the Yangtze Block and even in China in recent years. However, the genesis of megacryst…
View article: Experimental investigation of immiscible water-alternating-gas injection in ultra-high water-cut stage reservoir
Experimental investigation of immiscible water-alternating-gas injection in ultra-high water-cut stage reservoir Open
Water-alternating-gas (WAG) injection is recommended as a means of improving gas mobility control. This paper describes a series of coreflood tests conducted to investigate the potential for continuous gas injection and WAG injection in ult…
View article: Constraints of the geochemical characteristics of apatite on uranium mineralization in a uraninite-rich quartz vein in the Haita area of the Kangdian region, China
Constraints of the geochemical characteristics of apatite on uranium mineralization in a uraninite-rich quartz vein in the Haita area of the Kangdian region, China Open
Uraninite is commonly smaller than 1 mm and widespread in felsic or alkaline igneous rocks as accessory minerals. However, abundant coarse-grained euhedral uraninites, up to 1 cm in size, are intergrown with sphene, apatite, zircon, and so…
View article: Alkali Effect on Alkali-Surfactant-Polymer (ASP) Flooding Enhanced Oil Recovery Performance: Two Large-Scale Field Tests’ Evidence
Alkali Effect on Alkali-Surfactant-Polymer (ASP) Flooding Enhanced Oil Recovery Performance: Two Large-Scale Field Tests’ Evidence Open
Alkali-surfactant-polymer (ASP) flooding is very promising chemical enhanced oil recovery (EOR) technology which can make an incremental oil recovery factor (IORF) of 30% original oil in place (OOIP). How to choose alkali in ASP flooding r…
View article: Recent Advances of Surfactant-Polymer (SP) Flooding Enhanced Oil Recovery Field Tests in China
Recent Advances of Surfactant-Polymer (SP) Flooding Enhanced Oil Recovery Field Tests in China Open
Recently, there are increasing interests in chemical enhanced oil recovery (EOR) especially surfactant-polymer (SP) flooding. Although alkali-surfactant-polymer (ASP) flooding can make an incremental oil recovery factor (IORF) of 18% origi…
View article: Fluorluanshiweiite, KLiAl1.5□0.5(Si3.5Al0.5)O10F2, a New Mineral of the Mica Group from the Nanyangshan LCT Pegmatite Deposit, North Qinling Orogen, China
Fluorluanshiweiite, KLiAl1.5□0.5(Si3.5Al0.5)O10F2, a New Mineral of the Mica Group from the Nanyangshan LCT Pegmatite Deposit, North Qinling Orogen, China Open
A new mineral species of the mica group, fluorluanshiweiite, ideally KLiAl1.5□0.5(Si3.5Al0.5)O10F2, has been found in the Nanyangshan LCT (Li, Cs, Ta) pegmatite deposit in North Qinling Orogen (NQO), central China. Fluorluanshiweiite can b…
View article: Determination of the Hydration Damage Instability Period in a Shale Borehole Wall and Its Application to a Fuling Shale Gas Reservoir in China
Determination of the Hydration Damage Instability Period in a Shale Borehole Wall and Its Application to a Fuling Shale Gas Reservoir in China Open
In reviewing Chinese shale gas reserves and national policies regarding shale gas exploitation, shale gas will be of critical importance in providing clean natural gas to China. However, compared to those in the United States, the cost of …
View article: Recent Advance of Microbial Enhanced Oil Recovery (MEOR) in China
Recent Advance of Microbial Enhanced Oil Recovery (MEOR) in China Open
Compared with other enhanced oil recovery (EOR) techniques like gas flooding, chemical flooding, and thermal production, the prominent advantages of microbial enhanced oil recovery (MEOR) include environment-friendliness and lowest cost. R…
View article: Process and Mechanism of Gold Mineralization at the Zhengchong Gold Deposit, Jiangnan Orogenic Belt: Evidence from the Arsenopyrite and Chlorite Mineral Thermometers
Process and Mechanism of Gold Mineralization at the Zhengchong Gold Deposit, Jiangnan Orogenic Belt: Evidence from the Arsenopyrite and Chlorite Mineral Thermometers Open
The Zhengchong gold deposit, with a proven gold reserve of 19 t, is located in the central part of Jiangnan Orogenic Belt (JOB), South China. The orebodies are dominated by NNE- and NW- trending auriferous pyrite-arsenopyrite-quartz veins …
View article: Structural Strength Deterioration Characteristics and a Model of Undisturbed Loess under the Action of Wetting and Freeze‐Thaw Cycles
Structural Strength Deterioration Characteristics and a Model of Undisturbed Loess under the Action of Wetting and Freeze‐Thaw Cycles Open
Undisturbed loess is affected by external environmental disturbances, such as wetting and freeze‐thaw cycles, which cause microstructural changes that have an important impact on the structural strength of the loess. These changes in turn …
View article: ASP Flooding: Theory and Practice Progress in China
ASP Flooding: Theory and Practice Progress in China Open
In low oil price era, it seems that ASP flooding has little market. However, ASP progress in China shows that ASP flooding is good technology to help oil companies thrive and make profit. Since 2014, ASP flooding has entered industrial app…
View article: Proper Use of Capillary Number in Chemical Flooding
Proper Use of Capillary Number in Chemical Flooding Open
Capillary number theory is very important for chemical flooding enhanced oil recovery. The difference between microscopic capillary number and the microscopic one is easy to confuse. After decades of development, great progress has been ma…