油水井作业工艺技术名词解释（Explanation of technical terms for oil and water well operation）.docVIP

油水井作业工艺技术名词解释（Explanation of technical terms for oil and water well operation） Explanation of technical terms for oil and water well operation Lifting the pipe string: it means lifting the system to lift the pipe string in the well and unload it to the tubing bridge. After cleaning, measuring, re matching and replacing the well tool, it goes down the well by one by one. Wells: is the certain performance and quantity of the liquid pump in the well, rely on the liquid column pressure pump fluid into the relative balance of the formation pressure of the fluid in the formation can not flow into the wellbore in a certain period of time, in order to complete a construction. Alternative injection: the process of recovering the productivity of an oil well and gas well by replacing the fluid in the well with a certain performance fluid. The sand is: to the wells high speed injection liquid, by hydraulic pressure bottom sand break up, flow carrying capacity return cycle by liquid, will break up the sand to the ground construction. Well washing: it is to work in the well into the wellbore with a certain nature of the working fluid, the wall and tubing on the wax, dead oil, rust, impurities and other stolen goods mixed into the well washing fluid to the ground process. Hydraulic fracturing, or short term fracturing, is an important technical measure for oil and gas well production and injection well injection. It is ground by a high-pressure pump group, the viscous liquid (fracturing fluid) to greatly exceed the absorption capacity of the injection well stratum displacement, caused by high pressure in the bottom of the well, and more than wellbore formation should be closed and the tensile strength of rock, the formation fracture, crack formation, and then continue with proppant a liquid into the slot, the slot extends forward, and filled in the gap in proppant, stop the pump after the formation is formed with sufficient length and a width and height of the sand filling cracks.