FIELD: oil and gas industry.
SUBSTANCE: well head fittings include housing connected to casing flange, with taps and side outlets from central channel and annular space, which are equipped with shutoff members, and sealing assemblies. Taps are made in the form of holes in the housing with outlets to its side surface, and casing flange is also equipped with one or several taps connected to annular space and equipped with the corresponding suspension and sealing assemblies.
EFFECT: enlarging technical and manufacturing capabilities of the device owing to the possibility of lowering and suspension of additional parallel pipe string, and its reliability is improved owing to decreasing the number of pressure connections at simultaneous reduction of its metal consumption and overall dimensions.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PIPE HEAD | 2016 |
|
RU2650000C1 |
| TUBE HEAD | 2016 |
|
RU2637681C1 |
| EQUIPMENT OF WELL HEAD WITH PARALLEL PIPE SUSPENSION | 2012 |
|
RU2485280C1 |
| EQUIPMENT OF WELL HEAD WITH PARALLEL PIPE SUSPENSION | 2012 |
|
RU2485281C1 |
| PIPE HEAD | 2000 |
|
RU2170328C1 |
| DEVICE FOR BINDING CASING COLUMNS ON WELL MOUTH (VARIANTS) | 2002 |
|
RU2230177C1 |
| CASING HEAD | 2007 |
|
RU2359105C1 |
| HORIZONTAL WELL CONTROL EQUIPMENT | 2007 |
|
RU2339788C1 |
| WELLHEAD EQUIPMENT | 2014 |
|
RU2546707C1 |
| TUBULAR HEAD | 1997 |
|
RU2117749C1 |
