Published April 2021, Pg. 48-52

Section: Еcology and industrial safety

UOT: 665.61.543.32

DOI: 10.37474/0365-8554/2021-4-48-52

Prevention of salt deposition in corrosive medium of produced water in oil-gas production

F.G. Hasanov PhD in Tech. Sc. - “Oil-Gas Scientific Research Project” Institute

A.M. Samedov Dr. in Tech. Sc. - “Oil-Gas Scientific Research Project” Institute

S.B. Bairamov Cand. in Tech. Sc. - “Oil-Gas Scientific Research Project” Institute

Keywords:  
oil producing facilities
mechanical impurities
production string
deep well pumps
water injection wells
salt sedimentation inhibitor
produced water
injection wells

  Produced water isolated from the oil in oil-gas production is pumped into the injection wells after cleaning from salt deposits and mechanical impurities. In the mixture of high-mineralised produced water, salt deposits making the technological equipment and pipes useless while gathering and transportation, reduce the permeability of injection wells. Carried out experimental researches show that for each ton it is necessary to pump 100 g of KD-7 inhibitor to prevent salt deposition in the mixture of produced water.

Technological processes should be performed in a closed system, and the territories contaminated with oil and produced water cleaned and equipped well.

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