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As of August 18th, after 3 years of continuous research and innovation, the intelligent plunger technology has been promoted and applied 55 well times in the North China branch.
The cumulative production has increased by 13 million cubic meters, and the effect has been 14.
55 million yuan.
One of the main technologies of the platoon replacement process
.
With the extension of development years in the main natural gas production area of North China Oil and Gas Company, low-pressure, low-yield, high-condensate oil and gas wells continue to increase, resulting in poor gas well bubble drainage effects, and some gas wells are in a production mode of frequent decompression with liquid and regular gas lift
.
In order to ensure the stable production of gas wells, it is urgent to find a replacement technology for bubble discharge
The technicians of the Institute of Gas Production Technology of the Academy of Engineering explored as they did, and through the appraisal of the adaptability of the plunger in low-pressure and low-yield wells, they formed the flow chart version of the lower depth selection of the stopper and the design method of the plunger process construction parameters
.
Relying on scientific research projects to carry out research on the application boundary of plunger technology and optimization of tool selection, and form a multi-factor discrimination method based on parameters such as gas well potential evaluation parameters, shut-in casing pressure, plunger lift minimum casing pressure, and minimum gas demand.
On this basis, in order to solve the problem of insufficient sealing performance of conventional plungers and poor liquid-carrying effect, technicians prefer high-tight remote control plungers
.
Compared with the traditional plunger, it has the characteristics of large running depth and small gas-liquid slip loss
Regarding the problems of slow operation, high loss, and low efficiency when the plunger is lifted in a low-pressure gas well with high liquid volume, the Institute of Gas Production Technology has successively carried out research in seven aspects, forming an informatized, intelligent, and automated "fixed liquid volume" downhole.
Intelligent plunger robot drainage technology, the stability evaluation of indoor experimental tools has been completed
.
(Zhang Yang)
