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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Camerini, Daniel Almeida Weid, Jean Pierre Von Der Camerini, Cla´udio Soligo Maia, Carlos Eduardo |
| Copyright Year | 2004 |
| Abstract | The leakage detector pig was created with the purpose of detect and locate leakages in a preventive way. The fast detection of small leakages decreases the probability of larger leakages. By means of a differential pressure system based on pressure data acquired through the pig’s running, using pressure sensors installed on the pig’s vessel, small leakages are identified and its positions registered. This allows a quick intervention at the identified location. The working principle is based on the pressure difference caused by the leakage, which is read by the sensors. The polyurethane cups responsible by the pig’s propulsion are of a special kind capable of sealing a constant volume of product among them. So, when the pig passes through a leakage, the pressure in the middle drops compared to those in front and hear, generating a characteristic signal thus permiting identification. The first prototype was tested intensively at laboratory facilities, and in a test pipeline showing excellent results locating precisely all the simulated leakages. Defects from different sizes with different flow where simulated and measured. This work has the objective to present the tool, its potential, the test results, to discuss its efficiency in detect and locate leakages and the possibilities for the future. |
| Sponsorship | International Petroleum Technology Institute |
| Starting Page | 1065 |
| Ending Page | 1068 |
| Page Count | 4 |
| File Format | |
| ISBN | 0791841766 |
| DOI | 10.1115/IPC2004-0095 |
| e-ISBN | 0791837378 |
| Volume Number | 2004 International Pipeline Conference, Volumes 1, 2, and 3 |
| Conference Proceedings | 2004 International Pipeline Conference |
| Language | English |
| Publisher Date | 2004-10-04 |
| Publisher Place | Calgary, Alberta, Canada |
| Access Restriction | Subscribed |
| Subject Keyword | Leakage Pressure sensors Pipelines Vessels Sealing (process) Probability Pressure Flow (dynamics) Urethane elastomers Propulsion Sensors Signals Engineering prototypes |
| Content Type | Text |
| Resource Type | Article |
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