为了生产更多的天然气——得到更多的收入——能源公司采取了创造性的措施，竭尽全力从天然气井里钻探出最后一点天然气。
To generate more of it—and more income—energy companies are resorting to creative measures, eking out every last bit from the gas wells they drill.
而因为没有人在意去查究，天然气整个生产周期(也就是说，从天然气井中直到使用它的地点)中的排放量却不太明确。
Less clear, largely because no one has bothered to look, are the emissions over its entire production life cycle - that is, from the moment a well is plumbed to the point at which the gas is used.
页岩气所排放的温室气体主要有两类：燃烧产生的二氧化碳以及页岩气井开采过程中的甲烷泄漏。
Greenhouse gas emissions from shale gas are predominantly down to two things: carbon dioxide produced when the gas is burned, and methane that leaks out while the well is being exploited.
4月下旬，切萨皮克能源公司在宾州的一个天然气井外溢，致使有毒的液体流入附近小河，该公司的破裂法采气被叫停。
In late April a big company, Chesapeake Energy, suspended its fracking in Pennsylvania after one of its natural-gas Wells blew out and spilled toxic drilling fluid into a nearby creek.
为保证川东北地区罗家寨、铁山坡构造高含硫气井长期采气高抗硫要求，2003年起，从国外进口了部份套管头和采气井口。
In order to ensure the requirement of high anti-sulfur in Luojiazhai and Tieshan sour gas well, some casing heads and gas-producing wellheads have been imported since 2003.
本单元组监督元监督和协调从事钻探石油或天然气，运营服务的钻机，或提供石油和天然气井技术服务的工人的活动。
Supervisors in this unit group supervise and co-ordinate the activities of workers engaged in drilling for oil or gas, operating service rigs, or providing oil and gas well services.
无缝管线管主要是用于油井或气井的井口附近输送高压油、气的无焊缝钢管。
Seamless steel line pipe is a kind of steel pipe without seams, which is mainly used in the places near the mouth of oil well or gas well to transmit oil or gas with high pressure.
本文所建立的数学模型可以进行行列式注气井网开发指标的预测，也可以推广应用于五点法和其它面积井网注气开发指标计算。
The new maths model can be apply to forecasting of line drive gas injection, and can be popularized to five-spot and other areal well pattern.
分析并提出气井各生产阶段的工艺技术措施与对策，气井生产后期应用复合型排水采气技术是提高气藏采收率的重要措施。
In the late production period of gas well, complex drainage gas recovery technology is the important measure for raising the recovery efficiency of gas reservoir.
气井的试井分析是气藏开发动态监测和动态分析的一个重要手段。
Well test analysis is an important measure for the monitoring and analysis of gas field development performance.
常数百分递减被广泛用于预测油、气井或油、气藏的未来动态和最终累计产量。
The constant percentage decline is widely used for predicting the future performance and ultimate accumulation production of oil and gas Wells or reservoirs.
对于定容气藏，气井的绝对无阻流量随地层压力的下降而降低。
For volumetric gas reservoir, gas well absolute open flow (AOF) is reduced with the decrease of formation pressure.
提出了一种利用气藏渗流特征预测气井产量的思路和方法。
A concept and a method to predict gas well production using gas flow behavior are presented in this paper.
进行气井动态分析时，必须考虑到天然气从气层到地面这一综合流程的连续性。
While analyzing the gas-well performance, it must consider the continuity of comprehensive process of natural gas from gas bed to ground.
通过采气曲线分析制定了气井合理的配产原则。
The reasonable probation plan is made by analysis gas productivity curve.
采油气井口装置、机械采气油设备、修井设备、油气田增产及提高采收率设备等是油气开发的主要技术装备。
Main technical equipments of oil and gas development are wellhead equipment, mechanical recovery equipment, workover equipment, stimulation equipment and equipment for enhanced oil recovery.
柱塞举升适用于高气液比油井生产和气井的排水采气。
It is used to produce high gas-liquid ratio oil Wells or for unloading liquid in gas Wells.
凝析气井流入动态分析是气藏工程研究、节点分析及产能计算与配产不可缺少的一部分。
Analysis of inflow performance is necessary for gas engineering, nodal system analysis, productivity calculation and gas production allocation.
某油田一天然气井的产量突然下降，经检查发现该井采气装置中的节流阀柱塞套断裂为三截，形成了两对断口。
The yield of a natural gas well in an oilfield dropped suddenly, which was due to the piston sheath of the choke valve breaking into three parts with two pairs of fractures after inspection.
煤层气储层数值模拟是煤层气资源勘探和开发的关键技术之一，也是煤层气井产量预测的有效手段。
The CBM reservoir numerical simulation is not only one of key techniques of CBM reservoir exploration and development, but also one of effective measures for CBM production forecast.
这一规律的发现对提高勘探获气率和控制断层气井的无水采气期，具有重要的现实意义。
It is of great importance to increase in gas recovery factor of an exploration well and to control of gas recovery without water in a well in fault.
为了给煤层气勘探和开发提供理论依据，必须对煤层气井井底瞬时压力进行分析。
In order to provide scientific basis for mining coal-bed methane, it is necessary to analyze the pressure on well bottom.
大庆油田庆深气田的深层天然气井具有井深、井底温度高、井底压力大、气水同产等特点，前人的井底静压折算公式不能达到生产所需的精度。
The deep gas wells of Qingshen gas field in Daqing are characterized by the great well depth, high bottom temperature, high bottom pressure and gas production with water.
气井合理产能是凝析气藏开发的一项重要指标，关系到气藏的开发水平和经济效益。
As an important index of condensate gas field development, gas well reasonable productivity is related with development level and economic benefit of gas reservoir.
如果将气井钻探到相应地带，即可开采天然气，此外还可以降低相应天然气水合物地层中的压力。
If a well is drilled into such a zone to extract the natural gas, it can also reduce the pressure within the overlying gas hydrate layer.
气藏中液体的存在，将影响气井的流动特性。
The gas flowing property in gas Wells will be influenced as liquid loading exists.
本文针对煤层气储层的特点，探讨了煤层气井取心技术及储层保护技术。
In accordance with properties of coal bed gas reservoir, the paper has probed into the protective techniques.
本文介绍超高压气井井底压力的计算方法，以及如何对高含H_2S和CO_2天然气的视临界参数进行必要的校正。
Bottom pressure calculation method of surpressure gas well and how to correct the pseudo-critical parameters of natural gas with high content of H_2S and CO_2 are presented in this paper.
提出了致密气藏的产能分析方法，建立了气井产能分析的最优化模型，并讨论了该模型的求解方法。
The productivity analysis method of tight gas reservoir is presented in this paper, then, we establish the optimal model of gas well productivity analysis and discuss the method to solve the model.
采气方式优选和生产参数优化是气井合理生产的保证，而气井产能研究是确定采气方式和优选采气参数的基础。
Based on the research of gas producing method selection and optimization of production parameters at home and abroad, forecasting model of gas well productivity is optimized using field documents.
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