Method for determining heavy oil thermal recovery steam chamber state
A heavy oil thermal recovery and steam chamber technology, which is applied in the fields of fluid production, earthwork drilling, measurement, etc., can solve the problems of high cost, uncertainty of the shape and development of the steam chamber, etc., and achieves the effect of reducing investment and improving description ability.
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[0039] The method for determining the shape of the steam chamber for thermal recovery of heavy oil is realized through the following specific steps:
[0040] 1) Measure the production well data of the heavy oil reservoir in the exploration area, and collect the structural form data of the oil reservoir in the exploration area;
[0041] The measured well data of production wells in heavy oil reservoirs in the exploration area includes the wellbore-related data of measured steam injection wells and oil production wells, including wellhead coordinates, well trajectory, perforation intervals and layered data. These data determine the spatial position relationship of the wells in the reservoir, and also determine the area where the production of the wells has an effect on the reservoir and the spatial configuration relationship among them. figure 1 It is the wellhead coordinates and wellbore trajectory plane distribution map of production wells in the exploration area. The abscissa...
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