«Onshore and offshore oil and gas well construction»

Substantiation of reconstruction of watered fund of wells using the example of the Main deposit of the Orenburg oil and gas condensate field

UDC: 622.279.51
DOI: -

Authors:

¹ Kuban State Technological University, Krasnodar, Russia

Keywords: mechanism and dynamics of water flooding of wells in the Main reservoir of the Orenburg oil and gas condensate field, optimization of a reservoir development by removing fluid from the well bottom and tubing, substantiation of the impact on the well bottom by solid and liquid surfactants, substantiation of the use of mobile compressor units, substantiation of the use of plunger lift technology, substantiation of the use of ESP installations

Annotation:

Currently, the Orenburg oil and gas condensate field is at the stage of declining production. The majority of the field's geological and residual reserves are located in the Main Reservoir, the maintenance of which is essential for maximum hydrocarbons recovery and for further development of the region. Watering is a serious problem for a field at a late stage of development because. It creates poorly drained zones, which leads to potential losses of hydrocarbons and a decrease of the final gas recovery factor (GRF) and condensate recovery factor (CRF). The unpredictability of tongue watering creates additional difficulties during a field development, but such watering retains the feasibility of using control methods that involve the removal of intruded water with the selected products. Optimization of the further development in this case is measures to combat watering. Considering that the wells of the field are capable of operating when water appears in them, it is necessary to find an effective way to extract the intruded water along with the products of the flooded well. The article selects the most efficient and cost-effective well equipment, the introduction of which will help bringing the intruded water up to the surface.

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