气侵

简要介绍了气侵、气锥形成机理和合理的注气工艺及预防注入水和CO2气体中杂质带来的油层伤害措施；

Tersely illustrates the forming mechanism of gas cutting and gas coning with their reasonable gas flooding technology , measures of preventing impurities in water and CO 2 causing the damage of reservoir ;

葵9井气侵处理与海上井控认识

Gas Cutting Control for Kui-9 Well and Knowledge of Offshore Well Control

气侵期间环空气液两相流动研究

Study on two - phase gas-liquid flow during gas kick

楚29井气侵溢流的分析与处理

Analyses and treating of gas overflow in Chu 29 well

压力波气侵检测理论及应用

The theory of gas influx detection of pressure wave and its application

水泥气侵的根源及现行解决方法的评析

Source of cement gas cut and current industry handling methods

声波早期检测气侵数据处理与程序设计

Data treatment for checking gas incursion with sound wave and program design

随钻气侵检测新技术

Three new techniques for detecting gas influx while drilling

早期气侵监测声波发生技术

Sonic wave sending technique of early air cutting detecting

声波气侵早期检测方法是一种先进的方法。

The sonic wave sending technique of early air cutting detecting is an advanced one .

气侵检测技术的研究

Research on gas cut detecting technology

钻井液气侵严重时会引起井涌或井喷。

While the gas erosion is severe , well shooting up or gushing out take place .

声波气侵检测中弱信号强干扰下布线技术

Wiring Technique under Weak Signal Versus Strong Signal Disturbances During the Detection of Gas Influx with Acoustic Wave

次生加大石英、油气侵位、溶蚀溶解、高岭石为酸性条件下的共生组合；

The association of hydrocarbon emplacement , dissolution , quartz overgrowth and kaolinite precipitation is with acid pore fluid ;

成岩作用与油气侵位对鄂尔多斯盆地延长组砂岩储层物性的影响

Impact of Diagenesis and Hydrocarbon Emplacement on Sandstone Reservoir Quality of the Yanchang Formation ( Upper Triassic ) in the Ordos Basin

利用概率密度技术捕捉声信号的微小变化，能够有效地识别气侵并报警。

The possibility density technology was used to entrap a little change of acoustical signal , which can discern the gas incursion and give the alarm efficaciously .

这三种新技术均可在钻井的过程中实施随钻气侵检测，为处理井喷和其它井眼事故赢得宝贵时间。

These new methods can be practiced as a real-timedownhole gas influx detection technique during drilling process , and can save useful time fordealing with blowout and other well troubles .

严格控制钻井液密度是实施平衡压力钻井工艺的关键问题，而钻井液气侵是影响钻井液密度的重要因素。

The key problem to apply drilling well of balance and pressure is strict control well liquid density . The important fact to effect well liquid density is the gas erosion .

长庆气田属低压低渗透气田，气层多，含气井段长，压力梯度不等，固井时易发生气侵窜槽，造成水泥石界面胶结不良。

Low pressure and permeability , imparity pressure gradient and long gas section reservoirs exist in Changqing oilfield , and gas channeling often occurred during cementing which leads to poor interface cementation .

以环空气液两相流动为理论基础，建立了井筒气侵流动计算模型，同时给出了计算模型的数值求解方法。

Based on the theory of annular gas-liquid two-phase flow , a model to calculate gas-cutting fluid flow in wellbore is established , and meanwhile a numerical solution to the model is given .

在用于高密度、高粘度气侵钻井液的除气分离系统中，离心式气液分离器作为第二级分离器，其结构对分离性能有很大影响。

In the gas-removing separation system of high-density and high-viscosity gas-invading drilling fluid , the structure of the centrifugal gas-liquid separator ( used as the second-stage separator ) has a great impact on its separation performance .

通过本文的分析和研究，建议在确定钻井液附加密度时，应充分考虑硫化氢气侵对井底压力和井筒动压的影响规律，这样的结果会更加合理。

Through study , the rules of hole bottom pressure and dynamical pressure affected by gas invasion with hydrogen sulfide should be recognized and applied , and the result is reasonable , during deciding the density of the mud .

根据气侵后环空气液两相流分布特点及水击压力在气液两相流及单相流中传播特点，计算了硬关井情况下的水击压力变化情况。

Based on the two-phase gas-liquid fluid patterns after gas kick in annulus and the propagation of water hammer in the two-phase gasliquid fluid and mud along the wellbore , the propagations of water hammer were calculated for hard shut-in .

在储层孔隙相对发育，录井显示为气侵或者气测异常且无明显跳波时，若不用人工造缝，也可获得一定产量，但一般不高；

When reservoir porosity is relatively growing , and the logging display is gas invasion or gas logging anomaly and no obvious cycle skip , if not using artificial fracture , a fixed yield may also be obtained , but generally not high ;

对钻井过程中地面返回流体的四相分离进行了分析研究，重点是高压、超高压气层钻井和井控时，发生气侵的高密度、高粘度钻井液的分离系统研究。

4-Phase separation for drilling fluid recovered from ground during drilling process was studied , and the focuses were emphasized on the separation system of drilling fluid with high density and high viscosity that could cause gas cut at high-pressure , ultra high-pressure gas layer and well control .

沙一段凝析油为早期低熟油被后期高成熟天然气气侵之后形成的；

The condensate oil from the first member of Shahejie Formation is formed by the combination of early immature crude oil and late highly maturated natural gas .

SP-1水泥浆体系能提高水泥石二界面的胶结强度，有较短的凝结时间；良好的直角稠化性能和触变性，因此该水泥浆具有良好的防漏失、防气窜（侵）性能。

Moreover , this SP-1 slurry system could improve the cementing strength of second interface and had a less jelling time and a better rectangle thickening and thixotropy , thereby it can effectively prevent filtration and gas invasion .

裂缝性边水油气藏水侵量计算方法

Computation theory of aquifer influx in fractured edge-water drive reservoir

计算异常高压气藏水侵量的方法

The calculation of water flux rate in abnormal high - pressure gas reservoir

水侵气藏水侵量与地层压力预测方法研究

The prediction method of water influx and formation pressure for a water drive