查询词典 gas sand

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.

闭式气锚的分离作用消除了气体对抽油泵的影响，提高了泵效；重力防气装置利用液气分离原理和高烟囱原理进行液气分离，液流回流时间可达10 min，排气最高压差可达0.2 MPa；经激光割缝筛管过滤后的液体含砂粒外径小于0.05 mm。

This paper presents the basic concept of the production systematic analysis gas well and the basic principle and method in nodal point analysis of the gas well; Give the result of deep going analysis as well as research on the gas flow rule in the wellbore,performance relationships curve of inflow and outflow as well as the curve of pure gas well sand liquid production on gas wells.

本文重点论述了气井生产系统分析的基本概念、基本原理和方法，对天然气在井筒中的流动规律，气井流入与流出动态曲线，纯气井和产液气井的动态曲线，进行了较为深入的系统分析和研究。

All these factors such as sand prevention method、sieve tube style selection、sand controlling result、oil and gas well off-take potential、oil and gas well longevity and cost of production are incident with one another as well as interaction.

油气田采用的防砂方法、筛管类型选择、防砂效果、油气井产能、油气井寿命和生产成本，这些因素既相互关联又相互制约。

In 2007, according to the plan of CNPC, gas drilling experiments were carried out extensively in Xujiaweiziensis DaQing. Air drilling, nitrogen drilling and atomization/foam drilling were all applied, and the primary attempt was actualized in the intended interval of Yingchengzuensis. It took out remarkable effect, therefore improved and developed the gas drilling technology. Thus the elementary matching technology of gas (atomization/foam) drilling that is fit for sand shale and vulcanite in Region Xujiaweiziensis of DaQing was formed, which will offer valuable experience for the further application and expansion of gas drilling.

根据中油股份公司的安排部署，2007年气体钻井在大庆徐家围子地区进行了大规模试验，应用了空气、氮气和雾化泡沫钻井工艺，并在营城组目的层进行了气体钻井尝试，取得了显著的效果，使气体钻井技术得到了进一步完善和发展，初步形成了一套适合大庆徐家围子地区深层砂泥岩、火山岩地质特点的气体钻井配套工艺技术，为气体钻井的进一步推广应用积累了宝贵经验。

Sulige Gas Field has low porosity, low permeability, low abundance, strong heterogeneity, complicate geological condition and is not very good at effective sand body continuity and connectivity, and so on. It is observed that gas well productivity of this gas reservoir is low, formation energy supply not enough, single well drainable gas is finite.

苏里格气田具有低孔、低渗、低丰度，非均质性强和有效砂体连续性、连通性差等特征；从已有的试井动态资料可以看出，该类气藏气井产能较低，地层能量供给不足，单井可采气量有限。

Express as a result that the study area gets close to hydrocarbon generation center, have high-quality coal measures hydrocarbon source rock along with big hydrocarbon generation intensity, so it has abundant gas source and the material foundation to form large scale natural gas reservoir; Evaporitic tidal flat facies of the Ordovician Majiagou Formation in this area is situated in the austral expanded range of the karstification zone, and is the optimum natural gas prospecting targets of the lower-Paleozoic; In the south of study area, there are well-developed delta deposition system sand bodies of Shanxi Formation and Xiashijezi Formation, hence this area becoming the most beneficial Neopaleozoic natural gas enriched region; In this area, the Paleozoic develop various concealed non-structured traps, the natural gas migration and accumulation process is very beneficial and both the cover and the conservancy condition are also very good.

结果表明：研究区紧邻上古生界生烃中心，发育优质煤系烃源岩，生烃潜力大，气源充足，具备形成大型天然气藏的物质基础；区内奥陶系马家沟组发育有蒸发潮坪相沉积，位于北部古潜台的向南延伸带上，是下古生界天然气的有利勘探目标；南部山西组和下石盒子组发育三角洲沉积体系砂体，是有利的上古生界天然气富集区；研究区古生界发育各种隐蔽性非构造型圈闭，天然气运聚成藏过程非常有利，封盖和保存条件也很好。

According to the researches, the natural gas in this area is mainly controlled by structures and sedimentation, faults play a very important role in the natural gas's movement, the high spot areas of paleostructures are the advantageous gathering places of natural gas today; the sedimentary facies of the area is mainly the delta front subfacies, and the thickness of sand bed is relatively thin, the fuzzy diagnosis of natural gas indicates that the gas of this oil layer is distributed dispersively.

研究认为，本地区的天然气分布主要受构造和沉积控制，断层对天然气的运移起到至关重要的作用，古构造的高点地区是现今天然气的有利聚集区；本区沉积相主要为三角洲前缘亚相，砂体厚度相对较小，模糊识别天然气预测显示该油层天然气呈分散状分布；但总体看，由于本区天然气埋藏很浅，容易开发，且天然气预测分布面积之总和具一定规模，因此有较好的发展前景。

Tight gas sandstone takes a large proportion in all natural gas reserves in China. Understanding the tight gas sandstone correctly is the most important thing in the sand gas reservoir development.

在我国，致密含气砂岩中的天然气储量占全国天然气总储量的比例较大，而正确地认识致密含气砂岩，是开发好致密砂岩气藏的首要条件。

It had been shown that the gas bearing sandstone in T3x gas reservoirs in XC gas field is with the character of low AG. This information is very useful to detect gas in heterogeneity tight sand reservoirs.

实践表明，XC气田T3x气藏含气砂岩储层具有低AC异常特征，应用这样的异常特征信息，可以较好地进行非均质致密砂岩储层的含气性检测。

Of raw materials to make ALE Series Stroke Stop and Stroke Switch use of carbon steel, ordinary gray cast iron or ductile iron back to BURDEN; reduce the liquid iron in the alloy elements such as Cr, Mn and other content, reducing its molten iron-containing gas; before the next core sand core all the overhead brush paint and the storage period to prevent the sand core to absorb moisture; in rainy days or high humidity of the season, the next best to use torch to the former core cavity, the surface of sand core baking again, in order to reduce sand-fat content; high-temperature casting a small valve in order to facilitate their own exhaust and the reduction of molten iron casting slag produced.

6原料尽量使用碳钢、普通灰铸铁或球墨铸铁回炉料；降低铁液中的合金元素如Cr、Mn等含量，减少铁液自身含气量；将下芯前的砂芯全部架空刷涂料且限期存放，以防砂芯吸潮；在阴雨天或湿度较大的季节，下芯前最好用喷灯将型腔、砂芯表面烘烤一遍，以减少砂型发气量；采用高温浇注小阀门，以利于铁液自身排气和减少铸渣产生。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。