Securing of the first protecting string into Shakhrinav-1P well is complete
Gazprom zarubezhneftegaz, part of the Gazprom International Group, has drilled and secured the first protecting string into the Shakhrinav-1P well in the Shakhrinav District of the Republic of Tajikistan.
As of today, the casing string has been lowered and cemented to a depth of 2,843 metres. The casing string is an important component in well construction and acts as a cover for unstable rock.
“We drilled under difficult geological conditions, such as caving and significant thief zones,” said Igor Shatalov, Deputy Director for Production of Gazprom zarubezhneftegaz’s Representative Office in the Republic of Tajikistan. “Lowering and cementing the casing string will secure the borehole, isolate hazardous strata, and ensure unimpeded drilling in the future.”
The operator will soon begin field geophysical well logging, after which preparations will begin for deepening the well for the second protecting string.
Background: Gazprom zarubezhneftegaz is the operator of Gazprom’s hydrocarbon exploration project in the Republic of Tajikistan. Under a Gazprom resolution, the company began the process of uniting project management into a single legal entity – Gazprom International – early this year.
Gazprom zarubezhneftegaz began drilling the Shakhrinav-1P Well on 7 December 2010.
The projected depth of the well is 6,300 metres.
The well is being drilled using the Verti Trak ™ automated vertical drilling system.
Gazprom zarubezhneftegaz is conducting geological exploration in 4 promising oil-and-gas sites in Tajikistan: Sarykamysh, Sargazon, Rengan, and Zapadny Shaambary.