GIPVN activities range was extended entering East Siberia (Novosibirsk and Irkutsk regions, Krasnoyarsk Territory, Yakutia).
Fields with abnormal characteristics appear in the range of newly discovered oil fields – Tengiz, Zhanazhol (Kazakhstan), Zaikinsky and Rostashinsky fields (Orenburg region), etc.
Due to depletion of oil reserves at basic fields the task was set to extend works related to oil recovery factor enhancement. GIPVN actively participated in this problem resolving involving its special department.
The period of computer application for design & survey and research works started – actual revolution in research & engineering. GIPVN actively participated in this process implementing hardware and software.
Environmental issues became vital and of high priority for design engineering. GIPVN establishes teams dealing with this trend.
At that time development of various industrial regulatory documents was noticeable part in GIPVN work scope.
In 1990 staff was 1879 persons.