초록 ▼

An automatic pipeline testing and sealing system and method to operate the functions of an inflatable packer device from a remote location. The automatically operated packer device has inflatable end elements, an exterior sleeve member and a chemical dispensing mechanism and is in operative communic

An automatic pipeline testing and sealing system and method to operate the functions of an inflatable packer device from a remote location. The automatically operated packer device has inflatable end elements, an exterior sleeve member and a chemical dispensing mechanism and is in operative communication with a cable assembly, a compressed air source, a pressurized test fluid source, a sealing chemical component source, and a catalyst component source. The automatic testing and sealing system comprises a first pump in operative communication with the sealing chemical component source and the cable assembly, a second pump in operative communication with the catalyst component source and the cable assembly, a test valve in operative communication with the test fluid source and the cable assembly, and a control panel assembly having electronic circuits for setting and automatically controlling the timing and air pressure parameters of the packer device and to permit the automatic testing and sealing operations of the packer device. The control panel assembly further has electronic circuitry to control the packer device end element pressure, to control the testing and sealing pressures of the packer device sleeve member, and first and second pressure differential sensors to automatically control the activation of the first and second pumps for sealing purposes and to control the test valve for its testing purposes.

대표청구항 ▼

A method for automatically testing and sealing a pipeline seaction of a predetermined diameter from a remote location comprising: a. providing an inflatable packer device of a predetermined size, the packer device having inflatable end elements, an exterior sleeve member, a chemical dispensing mecha

A method for automatically testing and sealing a pipeline seaction of a predetermined diameter from a remote location comprising: a. providing an inflatable packer device of a predetermined size, the packer device having inflatable end elements, an exterior sleeve member, a chemical dispensing mechanism and having hose assembly connecting means, b. providing a compressed air source, a pressurized test fluid source, a sealing chemical source and a catalyst source, c. providing a hose assembly having a packer sleeve air line, an end element air line, a catalyst and test fluid line and a chemical sealant line, d. providing a first pump means in operative communication with the sealing chemical component source and the chemical sealant line, a second pump in operative communication with the catalyst source and the catalyst and test fluid line and a valve in operative communication with the test fluid source and the catalyst and test fluid line at a location beyond the second pump, e. providing an electronically operated control panel in operative communication with the compressed air source, the sleeve air line, the end element air line, the valve and the first and second pumps, said control panel further having pneumatic pressure monitoring means in communication with the packer sleeve air line and having a first regulator means to preset the pneumatic test pressure for the packer sleeve and a second regulator means to preset the pneumatic seal pressure for the packer sleeve, said electronic control panel further having electronic circuitry to yield only electrical output signals including a first pressure differential sensor to monitor the pressure difference between the actual sleeve pressure and the preset test pressure and a second pressure differential sensor to monitor the difference between the actual sleeve pressure and the preset sleeve pressure, f. setting the first and second pressure regulator means for the selected packer device and for the diameter of the pipeline section diameter, and g. turning the electronic control panel to its operative position whereby the testing and sealing functions of the packer device are automatically controlled by the electrical output signals operative on the valve and the first and second pump means.