Mechanistic modeling of pipeline leak detection at fixed inlet rate (Record no. 171149)
[ view plain ]
| 000 -LEADER | |
|---|---|
| fixed length control field | 02421nab a2200181 4500 |
| 008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL | |
| Campo de control de longitud fija | 260224s2010 xxu |
| 100 1# - RESPONSABLE PERSONAL | |
| Apellido, Nombre | Kam, Ihl Seung |
| 9 (RLIN) | 42919 |
| 245 00 - TITULO | |
| Título | Mechanistic modeling of pipeline leak detection at fixed inlet rate |
| 260 ## - PUBLICACION, DISTRIBUCION, ETC | |
| Fecha de publicación, distribución, etc. | feb. 2010 |
| 270 ## - FECHA DE CARGA | |
| Fecha de carga | 17/06/2010 ; 17/06/2010 |
| 300 ## - DESCRIPCION FISICA | |
| Otra extensión | 12 p. ; 145-156 |
| 520 ## - RESUMEN, ETC | |
| Resumen | Transcripción del resumen del autor. A leak from subsea pipelines has been a serious problem in deepwater operations because of its potential threat to surrounding marine environments, significant monetary loss from the delay of hydrocarbon production, and difficulty in detection and remedial processes. For the first time, this study shows how a leak in long horizontal subsea pipelines can be modeled mechanistically using pressure traverse calculations, and presents the results in a form of contour plots, with "a change in inlet pressure ( Pin)" or "a change in outlet flowrate ( qtout)" induced by a leak in z axis as a function of leak opening size and longitudinal pipe location in the x and y axes. Beggs and Brill's correlations provided a means of deciphering complicated gas-oil two-phase flow mechanisms in pipelines. The calculated steady-state response of the system before and after the leak was investigated in terms of pressure gradient, flow rate, holdup, and flowing fraction, which were validated and well agreed with results from a quasi-dynamic numerical simulation. The results showed that the outlet flowrate monitored at the receiving facilities (qtout) could be a good indicator to detect a leak, while the pressure monitored at the inlet (Pin) was less reliable. The use of inlet pressure became more trustworthy with decreasing backpressure downstream (or increasing gas compressibility equivalently). The results also demonstrated that a leak is more easily detected if located further upstream with a larger opening size, and the presence of a compressible phase in pipelines makes leak detection more favorable leading to larger qtout. The effects of gas–oil ratio of leaking fluids, gas compressibility, leak size, and leak coefficient were investigated, and the nature of transient behavior between the two steady states, before and after the leak, was also examined. |
| 581 ## - ESTADO DE COLECCIÓN | |
| Estado de colección | 3-4 |
| 773 0# - CORRECCIÓN | |
| Título | Journal of Petroleum Science & Engineering |
| Partes relacionadas | 70 |
| 942 ## - DESC. DE MATERIAL | |
| Tipo de item KOHA | Artículo de Revista |
| Biblioteca propietaria | Biblioteca actual | Fecha de adquisición | Inventario | Total de préstamos | Inventario | Fecha de carga | Tipo de item KOHA |
|---|---|---|---|---|---|---|---|
| Biblioteca Alejandro Angel Bulgheroni | Biblioteca Alejandro Angel Bulgheroni | 05/03/2026 | 200046007 | 200046007 | 05/03/2026 | Artículo de Revista |
