Casing heads are designed for suspension of production and technical columns at all stages of well construction and operation; sealing and separation of annular spaces; pressure control in annular spaces; installation of blowout preventers on the upper and intermediate flanges at all stages of well construction and operation.

Climatic version of the UHL1 (HL1) Casing heads in accordance with GOST 15150-69. The limiting values ​​of the operating temperatures of the ambient air are from +40 to -60 ° С.

The level of technical requirements UTT2 in accordance with GOST R 51365-99.

Структура обозначения обвязок колонных

ОКп1Кх21(14,35)-140(146,168,178)х219(245)

OKp1x21 (14.35) -140 (146.168.178) x245

ОКп1х21-(14,35)---140(146,168,178)х245

OKp1Kx21 (14.35) -140 (146.168.178) x219 (245)

ОКп2Кх35(21)-140(146,168,178)х219(245)х299(324

OKp2Kx21 (14.35) -140 (146.168.178) x219 (245) x299 (324)

Specifications
SymbolOKp1OKp1KOKp2K
Operating pressure

14(140) / 21(210) / 35(350)

Column suspension typesCouplingWedge
Діаметр обв’язуючих колонConductor

245

219,245

299,324

Technical column

219,245

Production casing

140, 146, 168, 178

Working environment temperature, ° С, no more

120