FIELD: transport.
SUBSTANCE: in monitored section, pumped liquid pressure Pp (MPa) and terminal pressure of obstruction formation P"к" (MPa) is recorded in continuous mode. Without stopping operation of pumps, portion of compressible liquid of specified volume V1 (m3) is charged into obstructed pipeline section within time t1 (h) and pressure P1 (MPa) on measuring unit is recorded. The measuring unit is located at pipeline inlet. After charging a portion of liquid, the place of obstruction n-m is specified in obstructed section by means of pumping the portion of compressible liquid and ΔP1 (MPa) is calculated as difference between pressure after adding conveyed liquid P1 and terminal pressure value of obstruction formation at pipeline inlet P"к" (MPa).
EFFECT: possibility to determine place of obstruction in due time, to lower labour consumption during method implementation.
1 dwg
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