Journal of China University of Petroleum (Edition of Natural Science)

Study the performance of solvents for the traitment of asphaltene deposits in the field of Hassi Messaoud

Despite the fact that Algerian crude oil contains only small quantities of asphaltenes. These are the heaviest and most polar fraction of crude oil. These compounds are responsible for the formation of deposits due to their strong tendency to self-aggregation. The deposit of asphaltenes represents a serious problem for the operation of many wells in the Hassi Messaoud field. This problem severely affects the production operations and generates a significant increase in costs due to the prevention and removal of deposits. Based on the SARA analysis and the analysis of the oil composition, aspha

RATIONALE AND CHOICE TECHNOLOGIES PRODUCTION AT COAL FORMATIONS

Considered about economic effects technologies production development systems layered working out coal mechanized complex for mine conditions.

FEATURES OF ENGINEERING AND GEOLOGICAL ZONING OF THE TERRITORY OF SOUTHWESTERN UZBEKISTAN FOR THE PURPOSES OF WATER CONSTRUCTION

The article deals with the issues of regional study of the territory for the purposes of land reclamation and the development of principles and methods for compiling zoning maps as the basis for predicting changes in engineering and geological conditions. As a result of the analysis of the principles and methodology for compiling maps of engineering-geological zoning of large territories by numerous authors, the article proposes a new program for the regional study of changes in the geological environment of reclaimed lands and a methodology for compiling a map of engineering-geological zoning

Construction of Ti3C2Tx nanoribbons/MoCoPx heterostructures and high-efficient electrocatalytic OER performance

Using HF as the etchant, the Al layer in Ti3 AlC2 is removed to form layered Ti3 C2Tx MXene; with the "shear effect" of KOH, the layered Ti3 C2Tx is transformed into Ti3 C2Tx MXene nanoribbons, which are entangled with each other to form porous The network skeleton is used to promote the exposure of active sites and contact with the electrolyte, and serves as a conductive network for rapid electron transmission. The results show that the MoCoPx synthesized by integrating the hydrothermal process and the phosphating process is firmly loaded with Ti3 C2Tx nanoribbons, forming a stab

Preparation and evaluation of epoxy resin phase change proppants based on Pickering emulsification technique

Conventional solid proppant generally has shortcomings such as poor migration ability and easy clogging of cracks due to rigid structure. It can be injected in liquid phase Proppants have become the main development direction. A phase change proppant was developed based on an emulsified thermosetting resin system and evaluated. The phase change proppant system is based on bisphenol A type epoxy resin, using diethylene triamine and butyl The adduct of glycidyl ether is used as the curing agent, and SiO2 solid particles with 1% of the resin mass are used as the emulsifier. Then hollow glass m

Journal of China University of Petroleum (Edition of Natural Science)