On November 15, in the Kela-2 gas field in the southern part of the Tianshan Mountains, the night temperature has dropped to below zero, and the workers of PetroChina's Tarim Oilfield braved the severe cold to shuttle between the natural gas production units for fine inspection and operation, ensuring that more than 38 million cubic meters of clean natural gas resources in the Kra-Keshen gas field are smoothly delivered to thousands of households every day. The oilmen of the Tarim Oilfield resolutely shoulder the responsibilities and missions of the main gas source of the West-East Gas Transmission and the primary gas source in southern Xinjiang, adhere to the principle of "people's livelihood first, unified operation, and safe supply", formulate targeted production improvement strategies, dig deep into the gas supply capacity of each gas field, and accelerate the production capacity of natural gas. As of November 15, the Tarim Oilfield has produced a total of 280 natural gas this year9.5 billion cubic meters, exceeding the planned operation. After entering the peak period of winter supply, the daily gas production of Tarim Oilfield will gradually climb from the current 81 million cubic meters to 100 million cubic meters, which will provide sufficient "confidence" for winter supply. Ensuring the stable production of old wells and the production of new wells Focusing on the main natural gas blocks, Tarim Oilfield has vigorously promoted the 10 billion cubic meter production project of the Bozi-Dabei gas field and the 15 billion cubic meter stable production project of the Kekeshen gas field, and implemented measures such as stabilizing the production of old wells, increasing production by measures, launching new wells, promoting production through management, and supporting the ground, so that new wells can be "put on duty" quickly. In addition, 10 key wells for natural gas supply guarantee this winter and next spring have been rushed to ensure early drilling, early production, and early contribution. In view of the severe water invasion situation and rapid decline in production capacity of some old gas fields, Tarim Oilfield formulated a drainage gas production development strategy, combined with formation pressure, fluid properties, completion well conditions and other factors, tailored for each gas well drainage and gas recovery "prescription" such as "prevention, control, discharge", etc., and "raced" with the water invasion speed, awakening the production capacity of 21 "sleeping wells" in Dina 2, Ke 2, Keshen and other gas fields. "Every year, the winter supply is like a 'big test', and it is our greatest responsibility to ensure the safe use of gas by downstream users. We will take care of every set of equipment and do our best to deliver every square qi. Liang Shijia, director of the first station of the West-East Gas Transmission Division of the Tarim Oilfield Oil and Gas Transportation and Marketing Division, said. The first station of the West-East Gas Pipeline, where he works, has been supplying safe and stable gas for 19 consecutive years since it was put into operation, and has supplied more than 340 billion cubic meters of gas to the downstream. New projects help further accelerate the release of production capacity A number of key capacity construction projects have built steel and iron skeletons in the Taklamakan Desert to ensure that natural gas can be found, produced more and delivered. In the Bozi-Dabei gas field, the Tarim Oilfield has built a main natural gas transmission pipeline, with the maximum annual gas transmission capacity increased from 5 billion cubic meters to 12 billion cubic meters, and has been interconnected with the five gas pipelines that have been built in the southern Tianshan Mountains, connecting many large main gas fields such as Bozi, Dabei, Keshen and Kra, and building a natural gas export artery. In mid-October, the Bozi Natural Gas Processing Plant was successfully built in the Tarim Oilfield, marking that the annual natural gas processing capacity of China's largest ultra-deep condensate gas field, the Bozi-Dabei Gas Field, crossed the 10 billion cubic meter mark, further accelerated the release of natural gas production capacity in the Bozi-Dabei Gas Field, and greatly improved the ability to increase production and ensure supply and linkage peak regulation. In early November, the core oil and gas treatment project of Fuman Oilfield, China's largest ultra-deep oilfield, was put into operation, realizing the scale and efficiency development of ultra-deep oil and gas from 8,000 to 9,000 meters underground, and the daily natural gas processing scale increased by 2 million cubic meters, which effectively guaranteed the release of natural gas production capacity in the block. "The commissioning of these projects will further accelerate the release of natural gas production capacity, ensure the rapid production and downstream gas demand of various gas areas, and allow more natural gas extracted from deep underground to be transported to the homes of people of all ethnic groups along the West-East Gas Transmission Line and in southern Xinjiang. Yue Liangwu, a first-class engineer of ground construction of the Tarim Oilfield Oil and Gas Field Capacity Construction Division, said. Adhere to the practice of gas heating "farthest family" Tarim Oilfield makes every effort to do a good job in the article of "blessing and benefiting the people, blessing and benefiting the people", docking with the national pipeline network company and various states in southern Xinjiang in advance, and forming three linkage mechanisms with downstream gas companies: mutual sharing and mutual use of resources, mutual cooperation in ensuring supply, and coordinated disposal of emergencies. According to the extremely cold temperature this winter and next spring, the Tarim Oilfield relies on the "three tables and one library" of the limit capacity of a single well, the production table of step-by-step allocation, the capacity table of key nodes on the surface and the production and production of a single well in advance to ensure that the peak shaving capacity of natural gas under extreme conditions reaches 3.44 million cubic meters per day, providing "double insurance" for safe and stable gas supply. The Tarim Oilfield has accelerated the promotion of "western gas for western use", launched the project to improve the capacity of natural gas supply in five prefectures in southern Xinjiang, laid pipelines, built gate stations, and sent blessing gas, continued to extend the "capillaries" of the natural gas benefit project in southern Xinjiang, and fulfilled the commitment of "the farthest family" of gas heating. In recent years, a number of gas pipelines such as the Great North Branch, the Awati Branch, and the Wushi Branch Line have been built one after another. Before the winter, six key projects such as the compressor renovation of the compressor station of the southern Xinjiang Limin pipeline network have been completed one after another, and the first phase of the southern Xinjiang gasification pipeline network project has also been officially launched, promoting the southern Xinjiang natural gas pipeline network to continue to extend from the initial 2,424 kilometers to form a 4,704-kilometer natural gas pipeline network around the Tarim Basin, realizing the comprehensive gasification of cities and towns above the county level in southern Xinjiang.
* |Technology
Edit |Ji Zhuoyi.
Editor-in-charge |Hua Jinyan.