Markey Engineers New A&R Winches for Offshore

Friday, April 15, 2011
(Photo: Markey Machinery)

Markey Machinery recently introduced its new line of Abandonment and Recovery (A&R) winches.  Development of Markey’s A&R winches was facilitated through partnership with a world-wide service provider operating a fleet of marine vessels. The manufacturer says that the A&R machines are more cost effective in operation and maintenance requirements, thus making them ideal for oil field services such as maintenance, repair, and decommissioning. 

Markey’s type DEPS-76AR (see illustration) is a single drum, direct-pull type winch with level wind designed to work 3,300m of 4.75-in. (120mm) diameter wire rope. Redundant vector-motors developing 1,750 hp (1,310 kW) turn the drum through an induction hardened helical transmission. AC-variable frequency drives produce retrieval speeds of 32 m/min. and enabling torque control down to zero speed.  Markey’s automatic Render/Recover controls is designed to tame peak loads while pulling in 450Tm- over cable weight. 

The logistical demands of offshore oil and gas service-provider’s operations produced distinctive features - beginning with this machine’s mechanical arrangement.  The form of the DEPS is single drum- direct pull style of winch. Traction heads, alternatively, require multiple sheaves to produce the same pulling force. Bending wire ropes produces uneven strand loading and internal friction leading to accelerated wear of expensive cables. The DEPS-76 is designed to maximize the working life of ropes. Service providers that couple properly engineered machinery with sound maintenance practices enhance on-site productivity realizing greater margins on each project. 

Markey engineers design with a 34:1 D:d ratio - substantially larger and easier on the wire rope than the 20:1 D:d ratio of traction winch systems. The automatic fairleader withstands the breaking force of 4.75-in. (120mm) diameter wire. The drum-fairlead system carefully lays each adjacent wrap-protecting the exterior strands of the wire rope from abrasion. Sizing the drum to store the full scope of wire in eight layers benefits the performance of the winch and minimizing wire point loading.  To make the machine more versatile, Markey’s engineers designed a field bolt-on wire rope kit to adapt DEPS-76 grooved drum cores and sheaves to different wire diameters- if needed.  This advanced A&R machine is optimized and custom for a single customer’s application and specifications.

www.markeymachinery.com

 

Maritime Today


The Maritime Industry's original and most viewed E-News Service

Maritime Reporter January 2016 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

New Products

New Autonomous Control System Launched

Sea Machines Robotics of Cambridge, Mass. announced the release of its Autonomous Control System (ACS), an advanced vessel control system which converts manually

HamiltonJet Debuts JETanchor Positioning System

Global waterjet manufacturer HamiltonJet has launched its latest vessel positioning system, JETanchor.   Developed from the blueARROW controls platform JETanchor

Sea Hawk Debuts VMG Hard & Fast Racing Finish

Sea Hawk today  announced the introduction of VMG Hard & Fast Racing Finish, a revolutionary new bottom coating geared specifically for fresh water sail boaters

Offshore

Topaz Responder Saves Refugee Migrants

Topaz Energy and Marine has emerged as an unlikely player in the effort to save refugee migrants risking their lives on the sea crossing from Turkey to Greece’s islands in order to reach Europe.

Corima Acquires Damen ASD 2810 Tug

On 20 January 2016, Corima, part of the Italy-based Gesmar Group, held an official handover ceremony for a Damen ASD 2810 tug. The festivities were attended by

HHI to Localise Main Equipment for Offshore Plants

Hyundai Heavy Industries and Doosan Heavy Industries Collaborate in Localizing Main Equipment for Offshore Plants   Seoul, South Korea – February 4 – Hyundai Heavy Industries (HHI),

Deck Machinery

Inland Vessel Profile: USACE’s Dan Reeves

The newly built M/V Dan Reeves was commissioned in January of 2016 for the United States Army Corps of Engineers (USACE) Little Rock District. Built by Horizon Shipbuilding, Inc.

Kalmar to Deliver Straddle Carriers for Maher's NJ Terminal

Kalmar has received a large order for  27 straddle carriers from its long-term customer Maher Terminals LLC in Elizabeth, NJ.   The order has been booked into

Innovative A-Frame Crane for RV Sikuliaq

Recently installed aboard the R/V Sikuliaq was Allied Marine Crane’s innovatively redesigned A-Frame crane, which aims to improve the safety and capability of the marine research industry.

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Navigation Offshore Oil Pod Propulsion Port Authority Ship Electronics Shipbuilding / Vessel Construction Sonar Winch
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.0769 sec (13 req/sec)