放喷

从伸缩节上卸开高压放喷和压软管。

Remove the high pressure choke and kill hoses from the slip joint .

塔里木油田电泵井不压井不放喷作业技术

An operation technique without well killing and open flow of electric pumping wells in Tarim oil field

考虑放喷及压裂液压缩性时的压降分析模型

A model for pressure decline analysis under the condition of considering back flow and compressibility of fracturing fluids

经过119层的现场实际应用，放喷阶段的返排率可以提高23.1%。

The flow-back rate in blowout stage can be improved 23.1 % after it was used in 119 layer .

通过对油嘴控制放喷技术的研究，形成了早期压裂液快速返排技术。

Through the research of the technology of controlling the nozzle releasing , it formed the early rapid flow-back of fracturing fluid technology .

方法依据曙一区超稠油蒸汽吞吐特征，选用高温产液剖面测试仪，对放喷期产液剖面进行测试。

Method From steam soaking characteristics of super heavy oil in Shu1 area , fluid producing profiles during flowing is tested with high temperature profile tester .

模拟了卸载过程中井口压力、注气速度、油管液面高度等随时间的变化情况，并算出了最小放喷压力。

The change of well head pressure , gas injection rate and liquid level in tubes etc vs time during the process of unloading is also simulated by the software .

考虑了压裂后立即放喷对裂缝参数解释的影响，具有现场实用性，同时也适用于裂缝自然闭合情况；

As the influences of blowout immediately after fracturing on fracture parameter interpretation are taken into consideration , this model has field practicability and is also applicable to natural closure of fractures .

依据合理卸压方式、高压盐水结晶堵塞、井控装备适应性改造三个方面的研究成果，形成可操作性的合理放喷卸压技术。

Basis reasonable pressure relief , the research of high-pressure saline crystalline plug and the research of the improvement well control equipment , the formation of the spray pressure technology on reasonable operability .

以物质平衡原理和裂缝延伸规律为基础，在考虑压裂后立即放喷和压裂液的压缩性的情况下，建立了裂缝强制闭合时的二维压降分析模型。

A model for pressure decline analysis under the condition of considering back flow and compressibility of fracturing fluids was developed on the basis of material balance theory and the rule of fracture propagation .

文章针对大量的气井压裂后立即放喷的事实，以物质平衡理论和相关分析模型为基础，建立了强制闭合条件下拟三维压降分析模型。

In view of the fact that many gas wells often blowout immediately after fracturing , a pseudo-three-dimensional drawdown analysis model in forced closure conditions is built based on the material balance theory and correlation analysis model .

生产实践证明：防喷作业机既解决了修井作业时落地油污染问题，又解决了由于放喷导致油层压力下降从而影响产量的难题。

The case practice proved that the unit had solved not only the pollution problem of dropping crude during workover operation , but also the difficult problem of lowering the productivity caused by reservoir pressure decrease as opening flow .

应用放喷泄压技术前需考虑井口装置、套管抗内压强度和套管鞋附近地层的破裂压力是否满足安全要求。

Before applying the technique of blowout to relieve pressure , it should be considered if the wellhead devices , the internal pressure strength of casings and the formation breakdown pressure near the casing shoe meet the safety requirements .

该模型不但适用于压裂后立即放喷对裂缝参数解释的影响，也适用于停泵后裂缝继续延伸的情况，而且还可用于裂缝自然闭合的情况。

The model considers the effects of back flow of fracturing fluids just at the moment of shut-in on the fracture parameter interpretation and the continue propagation of fractures after pump off . Furthermore , the model is also suitable for the condition of natural fracture closure .

在地层压力高、渗透率低的区块上作业过程中，尤其是作业管柱下深不足以循环压井时，可采用放喷泄压，降低近井地带地层压力，直到能正常作业。

During operation process at where the underground fluid pressure is high and permeability is low , especially when the pipe is not deep enough to circulate the pressure under hole , that releasing the high pressure to lower formation pressure near bore hole can keep on normal process .

将几滴精油加入水中，放在喷瓶中，就可以当空气清新剂使用了。

Add a few drops of oil to water in a spray bottle and use as an air freshener .