PLT生产测井组合仪在大庆油田深层气井中的应用

Application of PLT production logging combination instrument in deep gas well of Daqing oilfield

大庆油田天然气井多为深层气井、储层情况复杂,测准深层气井产气剖面成为亟需解决的难题。生产测井组合仪(PLT)具有耐高温高压、测量精度高、三相流识别率高等特点,可对深层气井剖面进行有效区分。在点测与连续测试的基础上,测井速度的选择是保证PLT生产测井组合仪产气剖面测试效果的关键。应用结果表明,PLT生产测井组合仪能够确定深层气井主力产气层的产能状况,在深层气产出剖面测试中具有广泛的应用前景。

The natural gas wells in Daqing Oilfield are mostly deep gas wells and the reservoir conditions are complex. Understanding the gas production profiles of deep gas wells is crucial for improving the development of gas wells. Production Log-grog Tool(PLT) production logging combination instrument has the characteristics of high temperature and high-pressure resistance, high measurement accuracy and high threephase flow recognition rate. The application results indicate that the combination of spot measurement and continuous test and the selection of well logging speed are the key to ensure the test results of the gas production profile of the PLT production logging combination instrument. The PLT production logging combination instrument can accurately determine the main gas production layer and water production status of deep gas wells, and has a wide application prospects in deep gas production profile testing.