Diamond Wire Saw   ROV Photo

ROV Diamond Wire Saw

Diamond Wire Saw   ROV Photo

The ROV (remotely operated vehicle) Diamond Wire Saw was designed to address economical efficiencies and advantages while focusing on personnel and environmental safety when cutting equipment for abandonment operations.

Creative solutions often come from creative equipment, and the ROV Diamond Wire Saw offers operators and contractors the ability to keep divers out of the water, maintain controllable and precise cuts, and operate at a subsea weight of approximately 160lb.

Mactech Offshore has both surface-controlled and ROV Diamond Wire Saws available. When considering ROV-operable, there are several considerations and levels of involvement that need to be evaluated to determine the scenario for subsea operation.

Example scenarios for ROV application:

Scenario 1

Diamond Wire Saw   ROV Photo Saw is deployed on a winch or crane line and operated by surface power. An ROV is used to position the saw at the cut location. Requirements: ROV handles may be required for the manipulator to grab.

Scenario 2

Saw is deployed on a winch or crane line, but is positioned and powered by the ROV. The acting saw and ROV are mated on the surface by hard plumbing hydraulic hoses. Requirements: ROV handles may be required for the manipulator to grab.

Scenario 3

Diamond Wire Saw   ROV PhotoSaw is deployed on a winch or crane line, but is positioned and powered by the ROV. Mating is to be completed diver-less and subsea. Requirements: in addition to the handles, an interface panel with hot stab connections would be required. If the stabs are to be installed below 600FSW, a compensator would need to be added to the interface panel to equalize internal and external pressures. Mactech offers a compensated interface panel designed to withstand 10,000FSW. The interface panels can be custom-designed to fit to a specific ROV model and hot stab requirement.

Scenario 4

Diamond Wire Saw   ROV Photo The ROV needs to freely “fly” the saw around while disconnected from the winch line. Requirements: a buoyancy package is added to the saw to reduce its wet weight to something manageable for the ROV. Wet weight of the saw without the buoyancy package is approximately 800lb, but lowers to 160lb with the package. A buoyancy package from Mactech Offshore is designed to withstand pressures to 10,000FSW.

Article was originally published on Offshore-Technology. Offshore Technology is a leading website covering the needs of the offshore oil and gas industry. Articles feature the latest news, views and industry updates and trends as well as comprehensive listings of offshore equipment suppliers, products and services.

Diamond Wire Saw   ROV Photo

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