FIELD: preventive maintenance of main lines. SUBSTANCE: section of pipe line following disconnected section is connected to low-pressure chamber of additional ejector. Nozzles of main and additional ejectors are connected to operating main of gas line. First, gas from operating main of gas line is fed to nozzle of additional ejector and gas is pumped out of section following the disconnected one and gas from additional ejector is fed to next section of main. Then gas is pumped out of disconnected section by feeding gas to nozzle of main ejector from operating main and feeding it to next section of main. EFFECT: simplified procedure. 1 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF PUMPING OUT OF GAS FROM DISCONNECTED SECTION OF GAS MAIN | 2000 |
|
RU2167343C1 |
GAS MAIN | 2000 |
|
RU2167342C1 |
METHOD OF REPAIR OF MAIN GAS PIPELINE AND MOBILE GAS PUMPING UNIT FOR ITS IMPLEMENTATION | 2014 |
|
RU2567413C2 |
SECTION OF MANIFOLD GAS PIPELINE | 2014 |
|
RU2577672C2 |
GAS EVACUATION METHOD FOR DISCONNECTED SECTION OF GAS PIPELINE | 2014 |
|
RU2576951C2 |
DEVICE FOR GAS EVACUATION FROM A DISCONNECTED SECTION OF MULTILINE MAIN GAS PIPELINE | 2015 |
|
RU2601912C1 |
PLANT FOR PARTIAL LIQUEFACTION OF NATURAL GAS LOCATED AT THE GDS | 2022 |
|
RU2790214C2 |
THE METHOD FOR PUMPING GAS FROM THE DISCONNECTED SECTION OF THE CORRIDOR OF THE MAIN GAS PIPELINES | 2022 |
|
RU2787080C1 |
SYSTEM AND METHOD FOR PUMPING GAS FROM COMPRESSOR OF GAS TRANSFER UNIT | 2017 |
|
RU2652473C2 |
METHOD OF SELECTING GAS OF STARTING, FUEL, PULSE AND FOR INTERNAL REQUIREMENTS FROM TECHNOLOGICAL COMMUNICATIONS OF COMPRESSOR SCHEMES OF COMPRESSOR STATION AS FUEL FOR DISARMING THE RELATED MACHINE TO REPAIR | 2016 |
|
RU2641770C2 |
Authors
Dates
1999-10-27—Published
1998-11-04—Filed