Of course, automotive fuel changing from gasoline and diesel into gas fuel is also carried out blazingly everywhere in our country. Because automotive gas-fuel supplying system is yet not self-contained, and now a large of running vehicles by gasoline and diesel are the largest consumers of petroleum and source of pollutants, so vehicles by liquefied fuel being transferred into Gasoline/Gas amphibious-fuel or Diesel-Gas dual-fuel vehicles is the best way of automobile using gas fuel in our country now.

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The separation action of the gas anchor eliminates the effect of the gas on the subsurface pump and improves the efficiency of the pump; the gravity-type anti-gas device carries out gas-fluid separation by gas-fluid separating principle and chimney stack criterion: while the laser slotted screen pipe ensures the OD of sand in the fluid less than 0.05mm.

閉式氣錨的分離作用消除了氣體對(duì)抽油泵的影響，提高了泵效456精品视频在线观看；重力防氣裝置利用液氣分離原理和高煙囪原理進(jìn)行液氣分離美日韩在线视频精品观看网站大全，液流回流時(shí)間可達(dá)10 min，排氣最高壓差可達(dá)0.2 MPaa影院；經(jīng)激光割縫篩管過濾后的液體含砂粒外徑小于0.05 mm免费一级欧美性大片口咬。

In view of practical problem during Sulige gas field development, this paper complete follow study content. Study material balance theory of two district compound gas reservoir. Carry out stress sensitivity experiment on matrix rock and labor created fracture core from Sulige gas field with America Core Company high pressure high temperature flow experimental instrument to study stress sensitivity change rule of different permeability matrix rock and created fracture core at the condition of time and again switch on and off well and different drawdown pressure. Carry out depletion experiment on matrix rock of different permeability serial combination with different kinds of allocation, using double core clamper serial connected experimental apparatus, to study gas well production performance of bi-zonal compound low permeability reservoir during low pressure production stage. At the basis of experimental study, establish single well simulation model to analyze development index infection caused by stress sensibility and production performance infection rule caused by inner formation and outer formation of bi-zonal compound gas reservoir permeability variation while considering stress sensitivity.

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The vast majority of China's coal mine gas, gas production in coal mine accident was the worst natural disaster in one of the accurate determination of coal seam gas pressure on the mine to the development of effective and reasonable gas control measures, forecasting coal and gas outburst danger , and are of great significance.

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According to theory of diffusion and permeation,and theory of adsorpt ion equilibrium of commixture gas,the mechanism of increasing coalbed methane production by gas injection is studied, with which it is illustrated for enhancing energy of storing gas stratum, heightening pressure conduction coefficient of storing gas stratum and binging domino effect of competition adsorption by gas injection, consequently yield and ratio of recovery of coal bed methane are also enhanced.

依據(jù)擴(kuò)散滲流和多組分吸附平衡理論少妇精品毛片免费看，研究了注氣開采煤層氣的增產(chǎn)機(jī)制亚洲无码性爱小视频。研究表明，注氣增加儲(chǔ)層能量狼友高清视频在线观看，提高儲(chǔ)層壓力傳導(dǎo)系數(shù)并產(chǎn)生競(jìng)爭(zhēng)吸附置換效應(yīng)青春草影视在线免费观看视频，從而提高煤層氣開采時(shí)的單產(chǎn)量及回收率。

The establishment of the company at the end of 2000, formally put into operation in 2001, after a few years, people step constant efforts and hard work, the company has a compressed natural gas, liquefied petroleum gas, liquefied natural gas, gas mixture, Surge me and the central control of six major series of dozens of product specifications, as domestic gas equipment, a leading provider of complete sets.

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The research shows that gas concentration shows generally an increasing tendency along the working face airflow direction, from 0.095% to 0.18%, under the effect of gas drainage points, up-and-down changing locally; gas distribution in a transect of working face is unequal, under the effect of gas emission, ventilation and drainage, the gas concentration near coal wall is larger than that near goaf, which is a concave function distribution within a distance of 1876.5 m from the inlet of working face, after greater than 76.5m, which is a decreasing distribution from coal wall to goaf.

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On the basis of referring the foreign and domestic literatures and systematically generalizing the former research results, firstly, from the adsorption gas, coal spontaneous combustion and the heat resolves, thesis analyzes the ignitable gas occurrence. Secondly, though the experiment station of coal spontaneous combustion, thesis obtains the critical temperature 60 ℃～ 100 ℃, splits temperature 100℃～ 150 ℃, the fission temperature 150℃～ 180 ℃ and the speed-up temperature 210℃～ 250 ℃ and ignitable gas release rules in the several temperatures sections according to the results. Finally according to fire resource and the catastrophe theory, ignitable gas explosion characteristic and the influence factors have been conducted of the qualitative investigation and the quantitative determination. The gas explosion control technologies are put forward. It has built the certain foundation for the effective prevention gas explosion accident occurrence.

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Let students to be familiar with the basic characteristics and formation mechanisms of oil-gas, to grasp the evaluating indexes of source rock, reservoir, seal and oil-gas reservoir, to grasp the styles of source-reservoir-seal association, the features of oil-gas migration, the conditions of forming oil-gas reservoir, the factors of oil-gas reservoir damage and the regularity of oil-gas reservoir formation.

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