Abstract: This issue focuses on showing Petroleum Machinery Engineering in SWPU, oil and gas equipment theory system research to readers.
With the characteristics of oil and gas equipment for a long time，the Petroleum Machinery Engineering has three provincial and ministerial key laboratories. It has a stable and strong research strength on the aspect of developing oil drilling tools, oil and gas equipment theory, ocean petroleum special equipment, machinery modern design theory and manufacturing technology, mechanical system simulation, oil, gas pipe mechanics and so on. The special report “A Brief Introduction to Petroleum Machinery Engineering, Southwest Petroleum University” introduces the details of the subjects to readers.
“Finite Element Analysis for a Double-Helix Single Screw Pump Bush” is written by CHEN Ci-chan et al.The deformation, stress and strain's distribution of the double-helix single screw pump bush are discussed in this paper when the bush is under equal pressure, disordered pressure and the static contact with the bush and screw. The stress state and deformation regularity of the double-helix single screw pump bush are revealed, and the influence of condensability of the bush material on the deformation discussed, which offer the reference to the optimal design of the structure and the performance improvement of double-helix single screw pump.
“Study on The Particle Slip Velocity and Separating Diameter” is composed by professor LIANG Zheng et al. In this paper, the dynamic forces acting on the particles and the radial movement of particles in hydrcyclone are studied on the basis of experiment and CFD simulation. The formula of the trajectory of the particle in which the radial slip velocity of particle is zero is offered.
“Three Dimension Crustal Structure at the Northwest Corner of Tarim Basin” is composed by LAI Xiao-ling et al. LAI Xiao-ling is associate researcher in Geophysical Exploration Center, China Earthquake Administration. This paper using Q-value tomography and hypocenter distribution image, find respectively corresponding with fault in the study region. It provides deep tectonic information for the geologic structure research and the petroleum resources exploration.
“Design of Data Acquisition System of Measuring Drilling Engineering Parameter Based on Stain Measuring Technology” is composed by Hu Ze,CHEN Ping et al. The authors of the paper design a data acquisition system of drilling engineering parameter while drilling based on strain measuring technology. The data acquisition system adopts ADμC8 series single chip as main controller, by means of four strain gauge full bridge mode, drilling engineering parameters, such as drilling pressure, torque, side pressure and annular pressure etc. can be measured while drilling.
“Experiment on Abiotic Factor Oxygen Consumption of The Reservoir” is written by KONG Xiang-ping et al. To aerobic microbial enhanced oil recovery, determining the amount of oxygen injection is a problem urgently to be solved. Oxygen consumption of crude oil, injected water and produced water of one block in Shengli Oilfield is probed by analyzing changes of gas composition before and after the reaction in high-pressure oxidation tubes. The results will provide theoretical basis for microbial enhanced oil recovery by adopting air-assistant technique.
FENG Ru-sen, GUO Yong-jun, XUE Xin-sheng, et al.discussed hydrophobically associating water soluble polymers (HAWP), concluded that all these problems in different aspects are the result of incorrect molecular design and inexact control during polymerization process. The relationship between hydrophobical interaction and properties of HAWP, as well as effects of temperature and salt on HAWP solution, are studied, a new idea about HAWP molecular design is put forward. Our Journal will publish their research “HYDROPHOBICALLY ASSOCIATING WATER-SOLUBLE POLYMER with HIGH-RATIO INTERMOLECULAR ASSOCIATION” in three series.
In order to encourage authors challenge the customary understanding and construct harmonious society，we will give priority to articles about “Probe and Contends”. Looking forward to your reply and contribution.