Since 2003, Fushun University of Chemical Technology in Liaoning and Youshi University in China have done some research on Jilin oil sands and Inner Mongolia oil sands. According to the characteristics of local oil sands, the technology of hot water washing to separate oil sands was put forward, and a small-scale field test was carried out in 2005, which achieved good separation effect.
In 2003, China Petroleum Exploration and Development Research Institute also invested a lot of manpower and material resources to carry out a lot of scientific research work. According to the characteristics of Jilin oil sands, Inner Mongolia oil sands, Xinjiang oil sands, Qinghai oil sands and Sichuan oil sands, different separation methods are put forward: Inner Mongolia oil sands are suitable for thermochemical washing; Dry distillation is suitable for the separation of oil sands in Xinjiang and Qinghai.
The research of many institutions has proved that the separation method of China oil sands is feasible in the laboratory, and some laboratory technologies have started on-site pilot test, and gradually transformed into productivity.
(I) Wuerhe Oil Sands Mine in Junggar Basin
After repeated argumentation by 10 experts and researchers, an effective separation method-dry distillation method suitable for the characteristics of oil sands in northwest China was explored. Two new technologies of oil sand separation, vertical retort and horizontal rotary retort, were put forward, and the process design and manufacture of these two retorts were completed in May 2005.
The vertical furnace is 4m high, and the designed daily treatment capacity of oil sands is 20t, with output of1t; Daily oil quantity; The horizontal furnace is 8m long, with a diameter of 1m, designed to process 20t oil sands per day, produce oil per day 1t and dry distillation temperature of 500℃.
At present, the design scheme of the second generation high-efficiency horizontal rotary retort has been initially produced. Among them, the invention patent and utility model patent of horizontal furnace dry distillation have been applied by the State Patent Office and are in the publicity period.
Since August 2005, two retort furnaces have been delivered to the site respectively. After intense installation and debugging on site, the shaft furnace was ignited in September of 17, and the first barrel of oil sand dry distillation oil was successfully produced. On September 24th, the horizontal furnace was ignited, and the first barrel of dry distillation oil was successfully produced. Dry distillation tests were carried out on different grades of oil sands. The vertical furnace can process 12t oil sands every day, with a daily output of 0.6t, and the horizontal furnace can process 24t oil sands every day, with a daily output of 1t, with a maximum natural gas output of 360m3/day. The horizontal furnace has also been tested in environmental protection projects such as oilfield sludge, and Karamay Refinery has achieved good results in producing 1t oil from 3.5t oil sludge.
(2) Wood-based oil sands in Songliao Basin
Tumuji Oil Sands Mine in Inner Mongolia is located in Jalaid Banner, Inner Mongolia. At present, the registered exploration area of oil sands mine is 12.48km2, and the mining area is1.94km2. The oil sands have good properties and high oil content, with an average oil content of about 10%, some as high as 14%, and the surface soil is 65438. Oil sands mine is privately owned, and "Inner Mongolia Jalaid Banner Hengyuan Mining Comprehensive Development Co., Ltd." has been established for development.
Since 2004, Zhaqi Hengyuan Mining Co., Ltd. and Fushun Institute of Petrochemical Technology have jointly carried out research on oil sand mining technology. At present, a series of indoor experiments-field small experiments-field pilot tests have been completed, and thermochemical water washing is used for separation. A set of equipment with an annual output of 654.38 million tons of crude oil has been built. In order to comprehensively utilize and realize one-stop operation, the process adopts continuous feeding and water washing separation, and the separated heavy oil is simply refined to produce light oil for product sales, and waste residue is used as raw material for brick burning, thus reducing environmental pollution. Zhaqi Hengyuan Mining Company signed cooperation agreements with three companies at home and abroad, and designed that each cooperative company can produce 300,000 tons of crude oil annually, and our company can produce 654.38+10,000 tons of crude oil annually. The overall plan is to realize the annual production capacity of 1 10,000 tons of oil, and basically complete all the technological processes in June 2006.