FIELD: construction of gas mains. SUBSTANCE: device may be used for repairing gas pipelines by sectionalizing them followed by cutting out defective pipes and replacing them by new ones. Defective section is disconnected from pipeline, released from gas, sectionalized so that all sections are assigned equal scope of repair work, boundaries of these sections passing through defective pipes; auxiliary holes are made in defective pipes; spherical pugs are welded to the latter. Separators are passed through auxiliary holes to seal pipeline sections. The latter are blown down and defective sections are replaced by good ones. EFFECT: enhanced reliability of pipeline. 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF REPAIR OF MAIN PIPE LINES | 2002 |
|
RU2198340C1 |
| METHOD FOR REPAIRING EMERGENCY SECTION OF GAS PIPELINE | 2016 |
|
RU2638895C2 |
| SAFETY CONTROL IN REPAIR AT MAIN PIPELINES AND SYSTEM TO THIS END | 2011 |
|
RU2484361C1 |
| DEVICE FOR AUTOMATIC CONTROL AND NOTIFICATION IN THE AREA OF REPAIR WORKS ON THE MAIN GAS PIPELINE USING TEMPORARY SEALING DEVICES | 2023 |
|
RU2820895C1 |
| PNEUMATIC SEALING DEVICE FOR TEMPORARY CLOSING OF PIPELINES | 2002 |
|
RU2232339C2 |
| METHOD OF SAFETY CONTROL OVER FACILITIES OF THE MAIN GAS PIPELINES AND THE SYSTEM FOR EXERTING SAFETY CONTROL | 2020 |
|
RU2745128C1 |
| DEVICE FOR TIGHT CLOSURE OF INTERNAL CAVITY OF OIL PRODUCT PIPELINE OR OIL PIPELINE | 2018 |
|
RU2730132C2 |
| SYSTEM AND METHOD FOR CONTROLLING DISPLACEMENT OF TEMPORARY SEALING DEVICE | 2023 |
|
RU2822341C1 |
| METHOD FOR DISPLACEMENT OF TEMPORARY SEALING DEVICES DURING OPERATION OF MAIN GAS PIPELINES IN MULTI-THREAD DESIGN | 2019 |
|
RU2728112C1 |
| METHOD FOR PERFORMING REPAIR WORK AT THE FACILITIES OF THE GAS TRANSMISSION SYSTEM WITHOUT INTERRUPTING THE GAS SUPPLY TO THE CONSUMER | 2023 |
|
RU2805111C1 |
