Other

Dalian University of Technology

Research Institute of Shaanxi Yanchang Petroleum (group) Co., Ltd.

Ruimin Gao

Wei Zhang

Hua Zhang

Yuan Zhang

Gang Chen

Xiongfu Zhang

Zhiling Liu

Ting Pei

Dapeng Li

Xiangzeng Wang

Yongbin Lu

Shuqin Zhang

Mingfeng Wang

Pengju Huo

Fanhua Zeng

Si Li

Jun Yang

Hong Liu

Chengda Wang

Shanshan Yao

Yizhong Zhang

Weiwu Xu

Quansheng Liang

Haiou Liu

Jiuchang He

Shubao Wang

Yongchao Yang

Yihzong Zhang

A method of modeling hydrocarbon flow from a fractured unconventional reservoir, where the formation has variability in stimulated reservoir properties caused by multi-stage fracturing treatment. A map is created which divides the formation into a plurality of closed production regions, each of which in turn is divided into a plurality of flow sub-systems extending between fractures in the formation. Production behavior is then calculated for each flow sub-system based on the geography and characteristics of the individual flow sub-system. Region hydrocarbon flow for each closed production region is determined by coupling the calculated production behavior of the flow sub-systems and the reservoir hydrocarbon flow can be modeled by aggregating the region hydrocarbon flows. Type curves showing the modeled hydrocarbon flow at selected points in time can then be plotted.

Method of modelling hydrocarbon production from fractured unconventional formations

A method for the estimation of oil recovery factor in a foam flooded hydrocarbon reservoir. The hydrocarbon reservoir is divided into three sweep sub-zones, with sweep efficiency and displacement efficiency for each zone being estimated. The oil recovery factor is determined as a function of porous volume injected, based on the sweep efficiency and displacement efficiency.

Estimation of oil recovery in foam flooded hydrocarbon reservoirs

A method for directly preparing an empty shell type small grain ZSM-5 molecular sieve. The method comprises: uniformly mixing and stirring an organic template agent, a silicon source and water; dripping an aqueous solution of an aluminum source into the mixture; preserving room temperature, and continuously stirring for a period of time; and performing hydrothermal crystallization, and washing, drying and roasting the obtained product to obtain the molecular sieve. The molecular sieve has high degree of crystallinity and uniform particle size. Moreover, the method requires short time, simple operation and only one step, no extra surfactant is needed, and secondary acid and alkali treatment is not needed.

One-step preparation method for hollow shell type small grain ZSM-5 molecular sieve

A rapid synthesis method of a small-crystal-grain ZSM-5 molecular sieve, the method comprising: preparing a mixed silicon-aluminum glue solution, placing the solution in a crystallization kettle for low-temperature nucleation, enabling high-temperature crystallization growth of the solution, and obtaining a crystallization product, namely, a small-crystal-grain ZSM-5 molecular sieve, the nucleation temperature being 60-120&#xb0; C., nucleation time being 1-3 hours, a crystallization growth temperature being 150-170&#xb0; C., and crystallization growth time being 1-3 hours. The method is easy to operate, and has a short operation time, thus being able to complete within 6 hours; in addition, the product has uniform grain sizes, is in a mono-dispersed state, and has a high crystallization degree to a submicron degree.

Rapid synthesis method of small-crystal-grain ZSM-5 molecular sieve

Growing community of inventors

Xi'an, China

Ruimin Gao