China oil network news shortly after the beginning of autumn, Huabei Oilfield Company key exploration area Wulanhua depression again good news, LAN 18 wells in the Paleozoic granite formation through high oil production, oil test for Nissan 32.42 tons. As of early September this year, the whole depression has drilled 7 exploratory wells, drilled 3, drilling 6, oil test all 7 wells to obtain industrial oil flow.
Ulan Hua sag is one of the key areas for exploration, deployment and pay in reserves in North China Oilfield this year. Since the exploration project was put into effect in March, the exploration of the sag has been bright with many well organized and efficient exploration, and satisfactory progress has been made in drilling in several tectonic zones. Blue 18 well drilled four oil-bearing strata, well constructed blue 45 wells tested for Nissan 21.31 tons of industrial oil flow in Aershan volcano rock strata, tectonic Portland 101 well match Wusu found that nearly 40 meters of oil layer and poor reservoir, soil structure, animal husbandry LAN 19 well got industrial oil flow, the structure of the North expanding the scope of oil, oil of the situation became clear.
According to the Exploration Department of this company responsible person, since 2014, LAN 11 wells to obtain Nissan 68.9 tons of industrial oil flow breakthrough, geological exploration technical personnel to carry out a thorough study on the depression, innovative ideas, the transition from single to tectonic traps, lithologic and stratigraphic trap types in Qianshan and other target implementation in soil, animal husbandry, and the red race Seoul, Wusu HongGeEr 4 tectonic zone constructed multi field source, source, source type three-dimensional reservoir model, the soil structure, animal husbandry, Lan Lan 11 block 8 block was found to obtain high yield, high scale reserves; stage structure drilling blue Wusu 1, 6, 9 wells Lan Lan was industrial oil flow, the formation of 50 million tons of reserves. In the exploration technology, the reservoir reconstruction is taken as the key point, the measures for research and implementation are enhanced, and the volume fracturing technique of straight well is introduced.
In the face of regional geological structure is complex, difficult to coordinate work, grazing season short construction period and other challenges, the periphery project exploration department employees to carry forward the spirit of hard work hard work, long-term manned exploration construction line, with "5+2" and "white + black" working status in the progress of the project to solve the various problems encountered. They even in the two branch organization, Research Institute of exploration and development, as well as the Geophysical Research Institute of Bohai drilling drilling, logging, cementing, oil well testing, downhole operation and other professional teams work closely to ensure the close connection of process. Compared with the same period last year, the first half of this year to enhance the 50% drilling footage.
The exploration of Ulan depression has been continuously successful, which provides a realistic replacement field for the production of crude oil in Huabei oilfield. At present, the company has been in the area of production wells wells production, the grim situation this year yield has been effectively alleviated.
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