00623naa#a2200217#i#450# EN\\bibl\6611 20251221184553.7 1609-3178 20150901b2015####ek#y0engy0150####ca RUS RU Leak Integrity Evaluation of Stabbing Valves at the Gas-Compressor Station “Portovaya” Journal article Saint-Petersburg LLC SVEN 2015 3 с. Journal article local Morozov Vyacheslav Sukholitko Andrey Sorokin Andrey Sivov Igor Barat Vera zh-szf.ru