A new driving force for winter supply in Tarim Oilfield
China Petroleum Network News "sleepy" for half a year of kshen 2-2-8 well, the implementation of continuous tubing sand operation, the resumption of Nissan natural gas 300 thousand cubic meters. As of January 8th, the Tarim Oilfield give prominence to the long stop wells effective governance, governance since the beginning of winter long stop wells 61, Nissan 418 tons of crude oil recovery can, natural gas production capacity of 960 thousand cubic meters, a total of 87 thousand tons of oil increase, increase of 152 million cubic meters of gas for the downstream protection for adding new impetus in winter.
In the face of this winter gas supply environment, Tarim Oilfield in advance to take a number of initiatives to carry through the analysis of single well dynamic means of picking a "life" signs of the long stop wells, classified implementation of technical measures, in order to restore the "physical" to enhance production capacity. Over the past year, researchers have analyzed the potential of data from 61 wells, and adopted rehabilitation therapy such as drainage and oil extraction, continuous tubing and sand washing.
Dina 2 gas field is one of the main gas sources for the west to east gas transmission. In recent years, with the efficient development of gas field, the problem of sand production is getting more and more serious. In particular, 5 high-yielding wells such as Dina 2-23 well and Dina 201 well lie down because of the abnormal oil pressure drop. Tarim Oilfield chooses well and shut well, and makes economic benefit evaluation through developing new wells and repairing wells. It decides to stop the original planned new wells and repair workover for profitable wells, so as to maximize the efficiency and efficiency of the measures. At present, all 5 abnormal wells, such as Dina 2-23, have been restored to production, and the average daily output of a single well is more than 200 thousand cubic meters.
Xinjiang is located in the south of the Tianshan Mountains grams deep gas field, Tarim Oilfield is currently the highest gas production in a gas field. The "three high" gas wells in the gas field are seriously blocked by the wellbore blockage, which directly affects the production of natural gas. In the Kuche oil and gas development department, researchers faced with sand blocking "stubborn disease" and organized forces to tackle key problems. After introducing the new idea of plugging removal in coiled tubing and sand washing operations, Ke Shen 2-2-8 well was successful, which increased 30 million cubic meters of natural gas.
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