试油作业

由于套管头和采气井口油管头牵涉到钻井和试油作业中的井口组合，为保证钻井和试油作业时配套使用的安全，要进行配套技术研究。

This article presented the research on matching technology of casing head and gas-producing wellhead for guaranteeing the safety of drilling and production test operation .

经过几年的现场应用，证明该工具在地层测试和分层抽汲试油作业中可以有效地防止封隔器失封及封隔器上窜。

Through field use of several years , it indicates that the tool is able to effectively prevent packer loss of seal and packer move-up during drill stem test and zonal swabbing through DST tools .

由于有机盐无固相水溶液密度可调范围大、溶液粘度低、抑制性强等特点，得以作为油气井工作液的基液在钻井、完井、试油等作业中推广应用。

The solid-free organic salt solution is applied to based-phase for work fluids because of their adjustable density , low viscosity , and strong inhibition and so on .