OUR EXPERIENCE

In the months of July, August, September, October, November and December, 2017, Sebute SA, carried out the removal of material of lignary origin and seal of the gates of the cooling water inlet channels, one (1), two (2) and three (3), of the one (1), two (2) and three (3) units, in the Emgesa Electric Thermo Power Plant, in Cartagena.

Between the months of July and December 2017, Sebute SA, carried out the removal and installation, after its repair, of the raw water pumps, one (1), two (2), three (3) and four (4) , of the ABB pump house, for cooling the condensers of the Electric Thermo of Barranquilla SA (TEBSA).

In October 2017 Sebute SA, refloat, a boat for transporting materials and people "Manso", sunk in the reservoir Miel I and was later transported to a shore, near a road under construction, for putting it on land, according to Work Order 43/59801, of the Miel I Hydroelectric Power Plant, Isagen SA E.S.P., department of Caldas.

In the months of August and September of 2017, Sebute S.A., installed and removed, pallets in the suction of sea water, installed, sacrificial anodes, with underwater welding, removed the hard and soft marine organisms that were stuck in the work live from the motor ship, likewise, the propeller was cleaned and shine and an underwater inspection instead of dry dock (UWILD), for the DNV-LG sorting house to the MV CNP PAITA, in Cartagena.

In August 2017, Sebute S.A., carried out the removal of hard and soft marine organisms, with hydraulic equipment, which were attached to the live and propeller work, of the MT FILIKON, in Coveñas, department of Sucre and MV CAP PORTLAND, in Cartagena.

To MV MAERSK NOTHINHAND,in August and October 2017, Sebute S.A., installed, sacrificial anodes in the tunnel of the bow thrust propeller in the bow and a rope guard that protects the propeller shaft, with underwater welding, in Santa Marta, department of Magdalena.

Between the months of September and October 2016, Sebute SA, Sebute S.A., performed, according to contract / service order No. RP 10434, of the Gecelca 3 Thermoelectric Power Plant, in Puerto Libertador, department of Córdoba, dredged from the intake water intake Raw, on the San Jorge River and decanting pools, doing, the following activities, like this:
•Dredging of the raw water collection intake (10 meters to the front, 10 meters upstream and 10 meters downstream) and sediment transport.
• Inspection and cleaning of the walls and bottom of the decantation pool
• Inspection, cleaning and general maintenance of the rotary rake
• Inspection and cleaning of agitation and sludge removal nozzles
• Inspection, cleaning and maintenance of gate rails and grid filters
• Inspection, cleaning and maintenance of filtration grids to suction pool.
• Inspection and cleaning of the walls and bottom of the suction pool.
• Inspection, cleaning and maintenance of intake gates to intake.
• General paint maintenance with special paint supply for marine environments to all metal structures mentioned above
• Bathymetry before and after the removal of the sludge in the concession area for the collection of water on the right bank of the San Jorge river.

In the months of June and July 2016,the demolition and extraction of a 22,000 kilos plug beam submerged at a depth of 30 feet was carried out, located in the swing cavern of the Miel I Hydroelectric Power Plant, of Isagen S.A. E.S.P., located in the department of Caldas at 725 masl.
Likewise, the seat and guides of the cylindrical gate were inspected and two (2) external outlets by pass of the tower no. 2, 80 feet deep, at the San Carlos Hydroelectric Power Plant, in the department of Antioquia, at 766 masl.

Between the period of October 4, 2013 and the month of May 22, 2015, Sebute S.A., provided personnel and equipment for the execution of works for the extension of the P-40 project according to the "Order of Service S1007 -0141 ", like this:
• Inspection of the placement of rocks on the seabed.
• Installation of toe block and coreblock, at the "Causeway" pier.
• Bathymetry
• Cut corbels.
• Installation of canusas, for protection of piles.
• Installation of printed anodes with underwater welding on piles of the "Causeway" pier.
• General inspection of the piles of the "Causeway" pier. In Puerto Bolívar, department of La Guajira

In addition to its related services, SEBUTE S.A. supplies and provides local and logistic support to international companies offering Offshore services, such as exploration, surface geochemistry on the seabed, heat flow programs, offshore geotechnical samples extraction / engineering programs, environmental assessments, studies meteorological and oceanographic, laying of fiber optic cables, repair and maintenance of marine and underwater structures, corrosionstudies and search, rescue and rescue projects

In the first semester of year 2014, Sebute S.A., has carried out inspections, for reclassification with the GL, LG, Burea Veritas, DNV sorting houses with video filming and removal of marine organisms with mechanical and hydraulic means to the live works of the following Motonaves : MV DHT Phoenix, MV Hellas Explorer, MV Vega Beta, MV George I, MV Bay, MV Big Bay, MV Christoph Schulte, MV Alpine Mathilde, MV Ajax, MV Cape Claudine, MV Orient Tide.

In February 2014 SEBUTE SA, performed the operation and maintenance management of two (2) VL 36 "floating pumps, for the South Atlantic, especially in Caño Arenas, to comply with the provisions of Contract No. 9677- 04-1167- 2013, National Calamity Fund / ETEC SA

Sebute S.A, in the month of January and February 2014, carried out diving services for the removal and installation of asparagus in discharge flange pumps # 2 and # 3 ABB pumps house, in the Thermoeléctric de Barranquilla, for the company Tebsa

During 2013, SEBUTE SA, carried out inspections, for reclassification with the GL, LG, Burea Veritas, DNV sorting houses with video filming and removal of marine organisms with mechanical and hydraulic means to the live works of the following Motor ships: MV Xena, MV Christoph Shulte, MV Coneast, MV Frissia Loga, MV Mare Baltic, MV Xena, MV Alcazar, MV New Conquest, MV Iller Trader, MV Ursula Rickmers, MT LPG Virgin Del Carmen, MV Cape Med, MV Aramis. MV Alpine Loyalty, MV Mizar, MV Minerva Eleonora, BBC Ukraine, MV Kinaros, Overseas Petromar, MV Manizales, Laura Bay and MV Castillo Bahia, MV Vega, MV George I, MV Spyros. MV UBC Tokyo, UBC Savannah, MV Cap George, MV Werh Koblenz, MV Warnow Dolphin.

In the month of October 2013,, Sebute S.A., supply divers and specialized equipment for six (6) months renewable, to inspect the rock installation RE, Core Locs and Toe Blocs at the ends of the Causeway at the dock of the P40 expansion project of Cerrejón in Puerto Bolívar, for the company Consorcio SNC Lavalin.

Sebute S.A., in September 2013, supply divers and specialized equipment for the installation of two (2) signaling buoys of the access channel to Mamonal Port, for the company Puerto Mamonal S.A.

During the month of August 2013,, Sebute S.A., carried out underwater inspection to clean the gates guides of Sieve # 4, the ABB pumps house and seal inspection of the internal gate of Sieve # 3 in the Thermoeléctric de Barranquilla, for the company Tebsa

In the month of June 2013, Sebute S.A., carried out underwater inspection for the cleaning of sluice gates of Sieve # 3, of the Siemens pump house, and the removal of bolts flange discharge pump # 4, ABB pumps house in the Thermoeléctric de Barranquilla, for the Tebsa company

In the month of May 2013, Sebute S.A., performed underwater inspection to clean the gates of Sieve # 4, of the ABB pumps house at the Thermoeléctric de Barranquilla, for the company Tebsa.

In May 2013,, Sebute S.A., executed the works of interventory repair dock in the Vopak Colombia S.A. Terminal, Cartagena, for the company Vopak Colombia S.A.

During the month of April 2013, Sebute S.A., underwater make work to remove material of lignary origin that obstructs the drain bars of Unit 1 of the Urra 1 Hydroelectric Power Plant, agreement Contract No. 05-04- 2013, for the company Emec SAS

In March 2013,Sebute SA, performed the operation and maintenance management of three (3) VL 36 "floating pumps, for the South Atlantic, especially in Caño Arenas, to comply with the provisions of Contract No. 9677 -04- 002-2013, National Calamity Fund / ETEC SA

Sebute S.A., in the month of January 2013, provided transportation services for equipment and personnel to renew plattens on board the MV TALISMAN for the company Tayrona Offshore Services Ltda.

During the year 2012 in SEBUTE SA, inspections were carried out, for reclassification with the GL and LG sorting houses, with video filming and removal of marine organisms with mechanical and hydraulic means to the live works of the following Motorboats: MV Frisia Lissabon, MV Asia Moon, MV Ise Princess, MV Úrsula Rickmers, Draga Breydel, MV JBU Maas, MV Overseas, MV Yasa Scorpion, MV Pharos, MV Seaboard Ranger, MT Mikela P., MV Thetagas, MV Overseas Ambermar, MV Anastasia, MV UBC Tilbury, MV New Conquest, MV Coneast, MV Alcázar, MV Christoph Schulte, MV Iller Trader.

Sebute SA, in December 2012, personal supply and specialized equipment to carry out the diving services to release forty-four (44) asparagus, in the bell or flange of the house pumps in ABB plant, and inspection of the current condition of the fluvial bed and its depth of the Siemens plant, according to order No. T21372.

In December 2012, SEBUTE SA, performed the management and / or operation, maintenance of three (3) 36 "VL floating pumps, for the South Atlantic, to comply with the provisions of Contract No. 9677-04- 782-2012 National Calamity Fund / ETEC SA

In the same month of September of 2012, the works of installation and anchoring of the Buoy No. 6 and underwater inspection of 5 buoys of the field of buoys of demarcation of area and supply of a shackle of 5/8 "in the area were carried out of anchorage of Puerto Brisas, Guajira, agreement OS-092812- 07, for the company ISACOL SA

Sebute S.A., in the month of September 2012, made the installation services asparagus flange discharge pump No. 1 and cleaning external area sifter gate No.1, ABB pump house of the company Termobarranquilla S.A., Order No. T20926

In the month of August 2012, personal supply and equipment for the services of cleaning, maintenance and removal of marine organisms from the "A" and "B" tubes of the seawater intakes of the Termoguajira plant, inspection and cleaning of the piles submerged area of ​​the sea water collection towers, contract agreement No. RS11874 for the company Gecelca SA, ESP

Sebute SA, at the end of July 2012, I manage the sale of two (2) 36VL floating pumps of half head with fiberglass flotation system and an Axial moviltec 20 "high head pump, for the south of the Atlantic, agreement budgetary effect No. 12-0306 of contract No. 9677-04- 433-2012 of the National Calamity Fund / Etec SA

In the middle of June 2012, Sebute S.A., managed the sale of a 36 "floating pump with fiberglass flotation system and horizontal discharge, for the municipality of Manatí, Atlántico, contract agreement No. 034 of April 27 of 2012 adaptation fund / Etec SA

Sebute S.A., in the month of May 2012, installed asparagus flange pump discharge No.1, Order No. T20235 pump house Siemens Termobarranquilla.

At the beginning of May 2012,, Sebute S.A., carried out underwater work to remove material of lignary origin that obstructs the drain bars of unit 1 in bays 1, 2 and 3 of the Urra 1 hydroelectric plant, extracting a total of the volume material of 112 m3, contract agreement No. 01-04- 2012, with the company Emec SAS

In mid-March 2012, dredging and cleaning of the industrial water storage tank of the mill 5 in Barranquilla was done, OT AMATOS No. 50274849 from the company Smurfit Kappa Cartón de Colombia S.A.

In the same month of 2012, water transport was carried out for embarcation and ground transportation of two (2) 36 "floating pumps, one in Chía-Cundinamarca and the other in the Department of Bolívar, to comply with the provisions of the No 1005-04- 888-2011 Fiduprevisora ​​/ ETEC SA
Likewise, personnel and equipment were supplied to carry out the works of location, inspection and demarcation of topographic points in the Bocatoma del Rio de la Colorada Plant del Campo 23 in Barrancabermeja, for the company Construvicol S.A.

In February 2012, SEBUTE S.A, managed the sale of two (2) 36 "floating pumps, one to locate in the Chía, Cundinamarca area, and another in the area of ​​the Bolívar department to comply with the established in contract No. 1005-04- 888-2011 with Fiduprevisora ​​/ ETEC SA

At the beginning of 2012, localization, inspection and demarcation of topographic points were carried out at the La Colorada Water Intake at Camp 23 Plant in Barrancabermeja, for the company Construvicol S.A.

In the month of January 2012, Sebute S.A., personal supply and equipment to carry out the underwater inspection and search of fallen barge pipe work at Dársena de Ecopetrol Cartagena, for the company Mammoet USA South Inc Colombia Branch.

At the end of 2011, Sebute S.A., made inspection, cleaning and removal of hard and soft marine organisms from the walls and bottom of the well or pool of decanting and removal of organisms in the submerged zone and thickness measurement to the piles of the Platforms. of navigation lights, general inspection of the tube where a new grid is placed, in the Thermoelectric of the Guajira, for the company Gecelca SA

At the end of 2011, personnel and equipment were supplied to carry out inspection work / photographic recording and video underwater filming on piles in the area of ​​the Ecopetrol Cartagena International Dock, for Conequipos S.A.

In the middle of 2011, Sebute S.A., made the underwater cutting of 16 piles of 20 "ø and 8 piles of 12" of ø in the dock of boats of the TNP, in Ecopetrol de Cartagena, for the company Conequipos S.A.

In 2011 in SEBUTE SA, inspections were carried out, for reclassification with the GL and LG sorting houses, with video filming and removal of marine organisms with mechanical and hydraulic means to the live works of the following Motorboats: MV Silver Spirit, MT Bering Sea, MV HS Schubert, MV RHL Agilitas, MT Port Stanley, Jbu Maas, Marine CV, Hammonia Fortuna, Atlas Navigator, Ulf Ritcher, Crystal Symphony, JBU Schelde, Hansa Berlin, Tiger Master, MV Rio Bravo, Hansa Regensburg, Shawnee Princess, Industrial Eagle, MV Makita, MV Seleina, Pacific Sun, UBC Sagunto, Rainbow Irenes, Energy Panther, MV Malena, MV Palabora, MV Rickmers Singapore.

In the middle of 2011, I made a visual inspection with underwater photographic record to mooring Pine South-Vopack C- Terminal B / keel and Mooring Pine North- Vopack C- Terminal Cartagena, for the company Binaria Ltda.

At the beginning of 2011, SEBUTE S.A., made underwater retreat, with specialized divers of material of lignary origin that obstructed the sewer gates of bays one, two and three, of unit 1 of the Urra 1 hydroelectric plant in Santana, department of Córdoba, using specialized divers and semiautonomous diving equipment with submarine communications, for Emec Company Ltda.

SEBUTE S.A, in 2011 carried out several underwater inspections for the cleaning of sluice gates of Sieves # 1, # 2, and # 3, of the ABB pumps house in the Thermoelectric de Barranquilla, for the Tebsa company

SEBUTE S.A, in the months of March to June 2011,, carried out several underwater inspections, removal and replacement of mooring buoys of the TNP dock, in Ecopetrol Cartagena, for the company Conequipos S.A.

SEBUTE SA, in the first months of 2011 carried out several underwater inspections for the removal of flanged screws in the cooling pump # 1, # 2, and # 3 of the ABB cooling pump house in the Thermoelectric de Barranquilla, for the Tebsas company

At the beginning of 2011, Sebute S.A., supplied underwater inspection services with video filming on a tube located in Isla del Rosario, and in March, provided the rescue services of the Submarine Emissary pipeline on Punta Canoa beach, the Aguas de Cartagena Company.

Since the end of 2009, 2010 and during the year 2011 SEBUTE S.A., has been providing advice, assistance and local support to the company TDI Brooks International INC., And TDI Brooks Colombia Branch, in the Multi-Beam Bathymetric Exploration and acquisition of bedding marine and subsoil samples in the Colombian Pacific - Borojo North and Borojo Block Exploratory Program ANH (National Hydrocarbons Agency), Colombian Pacific Coast.

During the year 2010, Sebute S.A., carried out the underwater inspection and search works for extreme chain and dead location, of the anchoring system, mooring buoy of refinery river boats in the southern area of ​​the Rio Opón rivers terminals and refinery at the facilities of Ecopetrol Cartagena, as well as inspection and underwater search of the dead or ballast mooring system of barges in the sector in front of the Opón River wharf, and replacement of the buoy in the area of ​​Cartagena's NPT.

During 2010, Sebute S.A., carried out the internal inspection works for ST14 and ST24 pipes of the condenser cooling systems with measurements of thicknesses by ultrasound, photographic record and inspection of slots and seat of four internal gates in ABB Pumps house, Accordance T17562, with the company Tebsa

In that same year,, I supplied the cleaning services of the filtered water tank of Thermoguajira, with a capacity of 1200m3, height 4.5mts, for the removal of a large quantity of sediments, to the company Gecelca S.A.

During 2010, Sebute SA,, also provided the services of cleaning, maintenance and removal of marine organisms from Pipes A and B of the seawater inlets of the Thermoguajira plant, inspection and cleaning of the grids of the collection towers of sea ​​water, contract made with the company GECELCA SA

During 2010 in SEBUTE SA, inspections were carried out, for reclassification with the GL and LG sorting houses with video filming and removal of marine organisms with mechanical and hydraulic means to the live works of the following Motorboats: MT Santa Clara, MV Atlas Navigator , MV CSAV Venezuela, MT Sigloo Discovery, MT Temryuk, MV Master Tiger, MT Karasea, MV Nordmosel, MV JBU Schelde, MV Pluto, MV Australiaborg, MV BT Rio Bravo, MV RHL Agilitas, MV Star Savannah, MV Hopy Princess, MV San Antonio, MV United Banner, MV Souther Cross.

in 2010, Sebute S.A., provided specialized diving services, for the sealing of the entrance water line of the Intake (located below the level of the river La Colorada), located on the southern limit of El Centro Oil Field, Cira Infantas Project , near Barrancabermeja, and sealed 24" pipeline for valve gate repair, contract made with the Occidental Andina Company, LLC OXY.

During the year 2010,, Sebute SA, make, Inspection Services of Grid No.1, 2 and 3 of the Pumb House Siemens of Termobarranquilla SA, as well as of the slots and seats of the Sieves of the Pumb House Bombas ABB, in Barranquilla

Contract in execution: Since the end of 2008, 2009, 2010 SEBUTE SA, to date in union and giving local support to Oceaneering Int. From the USA, supply and ready Technical Assistance for the installation of a Smart Flange SF (+) & B-com, 30 meters deep in the PLEM of the Oil Terminal in Tumaco of Empresa Ecopetrol SA, purchase order agreement No.555060 and 555067.

During the year 2009 SEBUTE SA, inspections were carried out, for reclassification with the GL and LG sorting houses with video filming and removal of marine organisms, with mechanical and hydraulic means to the live works of the following Motor boats: MV Cala Pinar Del Río, Kiwi Arrow, Cala Pedra, MV Canaima, Punta Arenas, Scotia Spirit, Yasa Seyhan, MV Discoverer 2, Eagle Tucson, Sigloo Star, MV Asopos, Iver Progress.

At the beginning of 2009 the underwater inspection of the grids of bays one, two and three was carried out, of unit 1 of the Urra 1 hydroelectric power station in Santana, department of Córdoba, and taking photographs, using specialized divers and equipment. Semi-autonomous diving with underwater communications, for Empresa Emec Ltda.

SEBUTE S.A, during 2009, carried out several underwater inspections for the removal of flange screws in the cooling pump # 1, # 2, and # 3 of the ABB cooling pump house in the Thermoelectric de Barranquilla, for the company Tebsa

At the beginning of the year 2009, SEBUTE S.A., performed Inspection and assessment of pipe damage of 30 "Submarine Emissary Manzanillo area, agreement Order No..2009 / 000583, for the Aguas de Cartagena Company S.A.

During the year 2008 SEBUTE S.A., made inspection for reclassification with the classification houses, video filming and removal of marine organisms with mechanical and hydraulic means to the live works of several Motor boats, among others: MV Cap Domingo, Industrial Horizont, CSAV Manzanillo, Friesland Lissabon, France, Pera, Venezuela, CMA Bay, Happy Bird, Pacific Gas, Karin, Hakufu, MV Dhonoussa, MV Atlant Svenja.

Sebute S.A., in 2008, personal supply and specialized equipment to carry out the inspection and cleaning work of the ravett of the gates of the sieves No.1, 3 and 4 of the ABB pump house, according to Work Order No. T13303 , for the company Termobarranquilla SA

In September of 2008,, SEBUTE S.A., made underwater retreat, with specialized divers of material of lignary origin that obstructed the sewer gates of bays one, two and three, of unit 1 of the Urra 1 hydroelectric plant in Santana, department of Córdoba , using specialized divers and semiautonomous diving equipment with submarine communications at a depth of 21 meters, for Empresa Emec Ltda

In the year 2008, Sebute S.A., personal supply and equipment to carry out internal inspection works ST14 and ST24 pipes of the cooling water systems of the condensers with thickness measurements and photographic record, work order agreement No. T13624, for the Termobarranquilla SA company

SEBUTE S.A., in January 2008, performed for the company Termobarranquilla S.A., Bathymetry services from the external area to the cooling water inlet channel of the Thermobarranquilla Plant

During the year 2007 SEBUTE S.A., carried out inspection for re-classification of GL and / or Lloyd Register, video footage with underwater photographs and removal of marine organisms with mechanical and hydraulic means to the live works of different Motonaves, among others: MV Savanna , UBC Bremen, Horncliff, Kirkeness, Ara J., Providence Cove, Endless, Cape Race, Noordam, Savannah UBC, Sierra Express, Copenhagen, Alexandra, Tianjin CSAV, Industrial Horizont, BC Venezuela, BBC Canada, MV White Cap, MV Yokohama , MV Cala Positano.

Sebute S.A., in 2007, personal supply and specialized equipment to perform the inspection and cleaning works of rabbet of gate gates of sieves No.2, and 4, of ABB pump house, work order agreement No. T10009 , for the company Termobarranquilla SA

At the end of 2007, SEBUTE S.A., in conjunction with Maritech Contracting INTL. S.A., from Greece, provided local and logistical support; supplying naval devices, boats and specialized personnel, for the preparation, launching and laying of a submarine cable of 10Km in length at a maximum depth of 20 meters on the beaches of Marbella Cartagena, Contract CFX-a Segment BC.

In September 2007 SEBUTE SA, made for the company Termobarranquilla SA, the precision bathymetric survey about 63,000 m2 on the plant's cooling adduction channel, using real-time differential GPS and an Odón Ecosonde of the Hidrotrac type, according to the order of Service No. T12177.

Sebute S.A., in 2007 performed cleaning and bathymetry in the raw water ponds of the Cartagena refinery, contract agreement No. 4014816, for the company Ecopetrol S.A.

In May 2007, SEBUTE S.A., conducted underwater diving, with specialized divers, of material of lignary origin that obstructed the sewer gates of bays one, two and three, of unit 1 of the Urra 1 hydroelectric plant in Santana, department of Córdoba, using semi-autonomous diving equipment with submarine communications, for a total of extracted material volume of 126 Mts3, for Empresa Emec Ltda.

SEBUTE S.A., in 2007 in conjunction with the PCI Consortium (Venezuela) - ICL (Colombia) Contract No. PCATOD-PCI- ICL-001- 07, carried out the detailed inspection with supervisors and divers of 62 subfluvial crosses of pipelines of Ecopetrol in different rivers of the Colombian National territory; that make up 17 VIT Duct Systems for the Technical Management of the Vice Presidency of Transportation of Ecopetrol S.A.

Sebute SA, in November of 2007, performed underwater inspection of 37 crosses of 8 "Ø pipeline, of Ecopetrol in different rivers of the country for the Colombo Venezolano IPC-ICL consortium based in the city of Bucaramanga, according to contract Nro.4015139 "DIAGNOSIS OF SPECIAL CROSSINGS OF THE VIT DUCT SYSTEMS, FOR THE TECHNICAL MANAGEMENT OF THE TRANSPORTATION VICE-PRESIDENT OF ECOPETROL SA"

During the year 2006 SEBUTE S.A., made inspection and removal of marine organisms with mechanical and hydraulic means to the live works of several Motor boats among others: MV Hansa Berlin, Hansa Visby, Hansa Stockholm, Hansa Lubeck, MSC Maracaibo, MV Cielo Divaiano

Sebute S.A., in 2006, personal supply and specialized equipment to perform the inspection and cleaning work on the ravett of the gates of the sieves No.2, 3 and 4, of the ABB pump house, according to Work Order No. T09549, for the company Termobarranquilla SA In 2006, Sebute S.A., performed bathymetry services for the cooling water inlet channel of the Tebsa plant, in accordance with order No.T10323, for the company Termobarranquilla S.A.

In May 2006,, SEBUTE S.A., undertook underwater retreat, with specialized divers, of material of lignary origin that obstructed the sewer gates of bays one, two and three, of unit 1 of the Urra 1 hydroelectric plant in Santana, department of Córdoba, using semi-autonomous diving equipment with underwater communications, for a total of 95 Mts3 extracted material volume, for Empresa Emec Ltda.

In March of 2006, Sebute S.A., carried out cutting and welding work on a section of Pilote of 24" diameter by 5/8" of thickness per 10 ml of length in Duke de Alba of the SPRC, according to Work Order No. 001, as well as the dredging and matching edges and welded pile No.2 and shirt of 30 "by 5/8" thickness of piling of mooring of the SPRC, for the company Proyectos SA

In 2006, SEBUTE S.A., performed for the Colombian Company of Petróleos Ecopetrol SA, Bathymetry works in the docking area of ​​the Refinery Docks and the Ecopetrol TNP in Cartagena, in Pozas Norte, Centro and Sur, using a Real-time differential GPS and an Odón type Hydrotrack echo sounder.

In the year 2005, Sebute S.A., Sebute S.A., according to contract No. 4007673, with Empresa Colombiana de Petróleos S.A. (Ecopetrol SA), I performed a metal mechanic inspection, at a depth of 100 feet (30 meters), making potentials (CP), thickness measurement with ultrasound (UT), film (CCTV) and photographic record, using it, diving equipment with air supplied from the surface and specialized personnel to the pipe end manifold (PLEM) and its elements for protection against external corrosion, located at the Oil Terminal in Tumaco, department of Nariño, after removal and subsequent placement of 1,083 , sacks of sand-cement, to protect and stabilize the line. As a result of the study, as a result of the inspection, Ecopetrol determined to change the system.

In the year 2005, Sebute S.A., performed for the Colombian Company of Petróleos S.A. (Ecopetrol s.a.), bathymetries to the docks of Refinery and Terminal Néstor Pineda (TNP), using a real time "GPS" differential and Ecosonda "Odón" Hidrotrac, in Cartagena, department of Bolívar.

Sebute S.A., in 2005, I perform underwater inspection at subfluvial crossings, located in kilometers, 63, 127, 123 and 159 of the Ayacucho - Coveñas system, of 16 "(0.40 meters) of Ø, according to the specifications and conditions of the order of services Nro. F06-736- TR-Q- 020, for the company "Tansuca Ltda" and the Technical Management of the Vice Presidency of Transportation of Ecopetrol SA

In 2005, Sebute S.A., made an internal inspection to the pipe of 70 "Ø (1.80 meters), the water conduction system for cooling the condenser of the plant" ST24 ", taking measurements of thickness of the wall and photographic record of the Thermoelectric of Barranquilla SA (TEBSA), according to work order T08032, in Barranquilla, department of Atlántico

During the year 2005, Sebute S.A., performed the preventive, quarterly, semi-annual and annual maintenance of the seawater collection systems for cooling, of the Guajira Thermoelectric Power Plant, according to the service order No. RD - 102130, from the company Corelca SA in the municipality of Mingueo, department of La Guajira.

In the year 2005, Sebute S.A., according to purchase order No. OC11 9-4072, performed underwater inspection with video filming (CCTV), to the three-vanes (each unit) of the generation units, Nros . 1, 2, 3 and 4, of the hydroelectric "Urra 1", for the company "Emec Ltda, municipality of Tierralta, department of Córdoba.

According to work order No. T05673, Sebute S.A., performed an internal inspection to the pipe 70 "(1.80 meters) of Ø, the cooling system of the condenser of the ST14 plant, of the Thermoelectric de Barranquilla S.A. (TEBSA) in Barranquilla, Atlántico.

Sebute S.A., in the month of June of the year 2004, I carry out search and rescue of a chain with eleven (11) shackles of lost length of the motorboat "Global Glory", for transport of coal to the bulk (Bulk Carrier), in the area of anchorage of Puerto Bolívar, Guajira, for the agency Naves SA

According to work order Nro.T04927, Sebute S.A., made inspection and removal of lignary material that obstructed the guides for the sluice gates # 2, at the Thermoelectric of Barranquilla S.A. (TEBSA), in Barranquilla, department of Atlántico.

In February of the year 2004,, Sebute S.A., personal supply and equipment, to perform a detailed visual inspection of the sacrificial anodes, installed in the submerged area of ​​the dock, of the Port Operator "Muelles el Bosque".

From 1992, until 2010, Sebute S.A., performed for the Guajira power plant (former Corelca, now Gecelca), quarterly, semi-annual and annual maintenance, making penetration dives, in the seawater collection tubes for cooling, of 2.20 meters of Ø and a length of 435 meters, effecting, removal of the marine organisms from the internal walls of the tube, taking of potentials to the internal cathodic protection system (CP), thickness measurements by ultrasound (UT), inspection of the hypochlorite injection system and photographic record of the activities.

In the years, 2003 and 2004, Sebute SA, made, removal of hard and soft marine organisms to the submerged structures and risers of the gas production platforms "Chuchupa A and B", making dives up to 110 feet (33 meters) of depth, for Texas Petroleum Company, in the department of La Guajira.

Sebute S.A., in the year of 2001, installed six (6) underwater pipelines of six (6) inches of Ø, within underwater pipelines of ten (10) inches of Ø, like this: four (4), with 30 meters of length each one, at a depth of 1.5 meters, under the bed in the "Caño Chaplundum", after dredging and two (2) underwater crossings with 215 meters in length each, 4.5 meters deep, from the middle level of the tide , in the bed of the lagoon of "San Lázaro", area of ​​the "Román" bridge, previous dredging, for "Surtigas" in Cartagena.

In the year of 2001, Sebute S.A., performed a bathymetry in the area of ​​the suctions of the fire pumps (emergency system) of the Ecopetrol Refinery, in Cartagena, according to work order No. CDR-01- 0020.

Sebute S.A. executed contract No. 009-98 (28 months) of Ocensa, for the permanent supply of personnel and specialized equipment (Hyperbaric Chamber (DDC), 120 and 90 cubic feet per minute (CFM) compressed air compressors, Video filming system Underwater (CCTV), Superlite KMB-18 Diving Helmets, Heliox KMB-18 Diving Masks, Diving Umbilicals, Submarine Communication Radios, Rack Box and Marine Band Radios (VHF), for inspection, repair and maintenance of the TLU2 Single buoy (SPM), making dives up to 105 (32 meters) feet deep and 10,000 meters long of the submarine pipeline, in Coveñas, department of Sucre.

In 1998, Sebute S.A., performed a detailed visual inspection with 60 feet (19 meters) of depth, with Non Destructive Testing (NDT) as follows: Magnetic Particle Examination (MPI), Potential Taking (CP), Thickness Measurements by Ultrasound (UT), Video Submarine Filming (CCTV) and protection with Syntho Glass to the boards intervened, for the company Southern Peru Limited, in the Bay of Tablones, in the port of "Ilo" in the south of the Republic of Peru. The work was carried out with the technical assistance of Oceaneering International Inc. (OII) and ICL Corrosion Engineering of Bucaramanga, Colombia

At the end of 1996 and beginning of 1997, in conjunction with the company "Oceaneering International Colombian Branch" (OII), through contract "Ocensa" (British Petroleum Association, Ecopetrol, Total, Enter Pipeline Col, Transcanada Pipeline Col, Triton Pipeline Inc and Inter Provincial) submarine works were performed to a depth of 105 feet (32 meters), necessary to put into operation the Single buoy (SPM) TLU2, the new Oil Terminal of Coveñas.

In the year 1996, Sebute S.A., supply, personnel and specialized equipment to the company Prodeco de Santa Marta, to carry out operations of loosening of varadura and refloating of the barges of coal, "Urumita", "Ranchería" and "Mónica", semi - hundred and stranded on the beaches of the Pozos Colorados area, as well as the refloating of the coal barge, "Luchy", sunk in the barge mooring area of ​​Puerto Prodeco.

In the year of 1995, a "Level III" underwater inspection, with non-destructive testing (NDT), was carried out on the production platforms and wells, "Chuchupa A", offshore, for the Texas Petroleum Company in the department of the Guajira.

Sebute SA, in the year of 1995, participates, with the multinational CONDUX de México, subsidiary of Protexas, in the installation of one (1) single buoy (SPM) to 32 meters of depth previous installation of a pipe of 36 "of Ø Ballast and a length of 2700 meters for the Colombian Petroleum Company Ecopetrol in Pozos Colorados, Santa Marta.

Between April and the month of July of 1993, with the tugboats of Sebute SA, movements of coal barges, between the old coal dock of Prodeco and the offshore mooring systems, of coal boats in the area of ​​Pozos Colorados , in continuous schedule

In the year of 1992, with the support of an OSV tug of 6000 horsepower and 95 tons of bolar pool (BP), maneuvers were carried out in order to locate and later remove a Jack Up in the gas production platform "Chuchupa B", offshore, of the Texas Petroleum Company, in the department of La Guajira.

In the year of 1992, the removal and dispersal of three (3) steel vessels of three hundred (300) tons each, sunk in the old dock "El Ancón" in the then Maritime Terminal of Santa Marta, using equipment for underwater cut with oxy-acetylene and oxy-electric, for the dispersal, a barge was used as a lifting element of 800 tons.