WELL CASING AND FORMATION ISOLATION EQUIPMENT
A.A. Tsybin, Ph.D. in engineering, Honored Inventor of RF, Head of Downhole Tools Department
P.A. Morzhits – Senior Research Associate of the Downhole Tools Department
S.A. Tsybin – Senior Research Associate of the Downhole Tools Department
A.V. Panteleev – Director
A.A. Solomatkin – Deputy Operations Director
OOO “VNIIBT – Burovoy Instrument”, Kotovo Branch
The article focuses on equipment manufactured by the Kotovo branch of OOO “VNIIBT – Burovoy Instrument” for quality well casing and formation isolation: USTs tools for stage cementing of casing strings, USTsS1 tools for casing string running and cementing by sections, packer PMPTs.M for liner hanging and cementing, packer PRPTs with a circulation valve for collar cementing of liner filters. The article describes advantages of tubing hydraulic packers PMPTs.M and casing hydraulic packers PRPTs with tube-type metal sealing elements made of high-ductile aluminum alloy, as compared to other domestic hydraulic packers such as PHN, PHTsZ, TOKS, PGP and PGMTs.
The authors provide the factory tests results of PRPTs-102 packer with circulation valve for collar cementing of liners and formation isolation.
Key words: well casing; formation isolation; annular gas and water flows; two-stage cementing and collar cementing; liner hanging and cementing; packer; string running by sections; metal sealing element.
WELL CASING AND FORMATION ISOLATION EQUIPMENT
A.A. Tsybin, Ph.D. in engineering, Honored Inventor of RF, Head of Downhole Tools Department
P.A. Morzhits – Senior Research Associate of the Downhole Tools Department
S.A. Tsybin – Senior Research Associate of the Downhole Tools Department
A.V. Panteleev – Director
A.A. Solomatkin – Deputy Operations Director
OOO “VNIIBT – Burovoy Instrument”, Kotovo Branch
The article focuses on equipment manufactured by the Kotovo branch of OOO “VNIIBT – Burovoy Instrument” for quality well casing and formation isolation: USTs tools for stage cementing of casing strings, USTsS1 tools for casing string running and cementing by sections, packer PMPTs.M for liner hanging and cementing, packer PRPTs with a circulation valve for collar cementing of liner filters. The article describes advantages of tubing hydraulic packers PMPTs.M and casing hydraulic packers PRPTs with tube-type metal sealing elements made of high-ductile aluminum alloy, as compared to other domestic hydraulic packers such as PHN, PHTsZ, TOKS, PGP and PGMTs.
The authors provide the factory tests results of PRPTs-102 packer with circulation valve for collar cementing of liners and formation isolation.
Key words: well casing; formation isolation; annular gas and water flows; two-stage cementing and collar cementing; liner hanging and cementing; packer; string running by sections; metal sealing element.
