The laboratory of Oceanology and Geosciences (LOG) of Lille 1 university of Sciences and Technology is setting up a new marine technical platform for the teaching and research activities. Understanding the relationships between tectonics, sedimentation, and erosion, in the sedimentary basins and continental margins of northern France are becoming essential for the seismic risk assessments of this region.
Last december, the China University of Geosciences, located in Wuhan, has taken acceptance of their SIG sparker system. The tests have been conducted by Laurel Marine Instruments Ltd, representing SIG France in China, out of Jianxing, Zhejiang Province.
"The geological environment of the area was very complicated, and difficult to penetrate" has reported Laurel, but the sea trials have been very successful and the customer was very satisfied of the results obtained. The seafloor was consolidated silt, and a second layer of gravel made the penetration difficult. But the reflection of the basement was achieved.
The equipment is a 6000 joules sparker SIG Pulse L5 and a single-channel streamer.
Changjiang Institute of Survey Planning Design and Research (CISPDR) has taken delivery of new SIG Pulse S1 boomer. CISPDR is a state-owned enterprise subordinated to the Changjiang Water Resources Commission of the Ministry of Water Resources. It has been involved in two important hydraulic projects : the Three Gorges project, and the South-to-North Water Diversion project.
The commissioning has just been performed on the Yangtze River, in Wuhan. The geophysical team of CISPDR has been trained by Kim Ola of Meridata, Finland.
Meridata and related Chinese agent EPC carried out the integration of the SIG Pulse S1 boomer into a complete system employing several hydro-acoustic methods and frequencies used in parallel to map the river bottom and sub-bottom, and included Meridata software for data acquisition synchronization, and processing.
SIG France was part of the french delegation which has been visiting the South Korean maritime institutes : KHOA, KMOU, KIOST, KOMERI, and the cities of Seoul, Daejon, and Busan. The mission was organized by Business France and the maritime french clusters (Pole Mer Bretagne Atlantique et Pole Mer Méditerrannée).
SIG is present in South Korea since 2004, with the first sparker energy source SIG 2mille sold to KIGAM.
In 2015, South Korea has been the second country of exportation for SIG.
Oceantech the south korean representant since 10 years now is reporting its best year as ever for 2015. Thanks to those great partners !
The Korean Institute of Geology (KIGAM) has taken delivery of their new SIG Pulse L5. The sparker is now surveying on board the Tamhae 2 research vessel. Dedicated to seismics and bottom sampling survey the Tamhae 2 is a 64 m long vessel built in 1996.
The University of Klaipeda has been taken delivery of their new SIG sparker system from SIG France. The sparker/boomer is a multi-channel seismic system suitable to work in shallow water conditions (water column of 100 m), in the Baltic Sea. The energy source has a maximal output of 1000 joules with the sparker, and 500 joules with the boomer sound source. The sparker worked well in the low salinity of 7 g/l of the Baltic Sea.
On board training has been conducted by SIG France, Geomatrix UK, and Emma Technologies GmbH, the system integrator, and manufacturer of custom solutions. Emma Technologies has manufactured the oceanographic winch installed on the vessel for sidescan survey and gradiometer operations. The winch has a maximal capacity of 3000 m of 10.3 mm coax cable. www.emma-technologies.com
The vessel, the Mintis is a brand new 39-meter long, 12-m wide, catamaran, especially designed for the oceanographic researches of the university. The vessel can take on board 12 scientists, who can work in two laboratories equipped for geological, biological, physico-chemical researches.
The Mintis will be used for both scientistific researches and marine activities in seismic surveys, monitoring of the marine environment, fisheries resources researches, and implementation of pollution monitoring.
UST21, the South Korean offshore survey company, acquires the new SIG Pulse M2. Based in Busan, Underwater Survey Technology 21 is specialized in geophysical surveys, offshore support, resources exploration.
The sparker has been chosen to complement the geophysical equipments pole, with now 2 subbottom profilers, 2 sparkers, and 1
magnetometer. The SIG sparker will be used for high resolution subbottom profiling and get penetration due to the frequency range around 1000 Hz.
To respond to expectations of the scientific community, SIG and the french institute IFREMER are cooperating to improve the sparker technique. This film shows and explains IN FRENCH what VHR (very high resolution) seismics is all about, in coastal environment.
Orangelamp from Beijing has signed a contract with the Chinese Academy of Geological Sciences (CAGS) for the supply of a new SIG Pulse L5 sparker system. CAGS is an organization engaged in geosciences research. The expected working depth will be within 2000 m. But the L5 is the extended version of the SIG Pulse M2, which allows the user to go from the shallow water environment to the deeper waters. The second extension box adds up the power necessary to 6000 joules.
SIG France has appointed Orangelamp to be a new representant in China. Well established in the geophysical land environment, Orangelamp is now developping the marine geophysical domain.
SIG France was present at OI China, on the stands of Laurel Technologies Company Ltd, of Orangelamp, on the stand of Earth Produtcs China Ltd with the MD DSS system of Meridata. It is was occasion to give support to the chinese distributors.
Laurel Technologies Company Ltd and SIG France is a long cooperation of 14 years, with a first SIG mille sold in august 2000, with 10 sparker systems sold since, and continuous technical and aftersale services. Friendship has been celebrated between our two companies.
Good news from Geo-Marine-Tech in China !
“The result from both boomer and sparker were quite good, the customer claimed that even better than demonstration with AAE, this April at the same place”.
The sea acceptance tests (SAT) of 19 june 2014 were performed in the Zhoushang Islands, one of most famous China East Sea fishery place.
China Eastern Normal University has purchased the SIG Pulse M2 system for students training in marine seismic acquisition and processing. They will be using sparker and boomer techniques with the same energy source SIG Pulse M2 which delivers from 100 to 2000 joules. The seismic data are recorded and processed with the Triton SB-logger system, which is combined here with the SIG France solution.
Guangzhou Waterway Bureau has approved the performances of the new SIG Pulse M2.
The sparker system has been tested on the site of the bridge project that will connect the west side of Hong Kong to Macau and the mainland Zhuhai. The Hong Kong-Zhuhai-Macau bridge will cross the Pearl River estuary. Part of the project is a sub-sea immersed tunnel of 6,7 km. The project area must be covered by seismic reflection sparker.
integrated by Shanghai Geo-Marine-Tech Ltd, who represents both SIG France and Chesapeake Technology in China.
Kim Ola, from Oy Meridata Finland Ltd, is coming to take delivery of the new SIG Pulse S1.
Meridata integrates the SIG sparker/boomer with their multifrequency sub-bottom profiling systems.
With the latest generation dual-band chirps operating on frequency bands 2-9 KHz, 10-20 KHZ, 20-40 KHz, and the boomer or sparker association, Meridata covers a wide range of frequencies, to achieve the penetration in the bedrock and up to 4 cm of true sediment layer resolution in the fine sediments. All the sound sources are used simultaneously, with intelligent trigger management which minimizes interference between the different acoustic subsystems.
Meridata will deliver the complete integrated system to Brazil next month.
The University of Perpignan (France) has come into possession of the new generation of SIG mini-sparker. The
SIG Pulse S1 is a light energy source of 35 kg, with the easy adjustment of the power : from 20 to 300 joules by small steps of 10 between 20 and 60 joules and steps of 20
onwards. This enables tuning of the energy according to the geological environment. Thierry Courp, from the CEFREM - Centre de Formation et de Recherche
sur les Environnements Méditerranéens (UMR 5110), is pleased to see the new upgrades. SIG Pulse is a safe powerful tool for shallow high resolution seismics.
The CEFREM is a research unit of the university specialized in the coastal environment. The researches are focusing on material and energy transfers at the interfaces of the coastal system. The research team is composed of sedimentologists, geochemists, biologists and physicians. The new equipment will be used in courses for the Master in Marine Geosciences and Aquatic Environments.
KIOST, previously named KORDI, has confirmed it confidence into SIG 2mille sparker energy sources. The SIG 2mille from SIG France is a reliable, robust, seismic equipment, well known on the research vessels over the world. KIOST’s vessel is based at the Leodo Jangmokho shipyard. The sparker is used in the study of the sediments transports in the Yellow Sea, and the west coast of Korea.
KORDI (Korean Ocean Research and Development Institute) has changed name in July 2012, for KIOST (Korean Institute of Ocean Science and Technology).
Organized by the CCI International Pays de la Loire (Chamber of Commerce of the region), this mission of prospection in China, was the occasion for SIG to meet partners in Qingdao, and prospect the northern area with a visit in Dalian. A programme of meetings had been prepared by the local economic services of the french embassy (Ubifrance). which had accompanied Isabelle THAUVIN, SIG manager, along this week in China.
The Geological Survey of India has equipped its two coastal vessels Samudra Kaustubh and Samudra Shaudhikama, with single-channel digital seismic systems.
Each vessel has received a SIG 2mille sparker system from SIG France, completed with Delph Seismic acquisition and interpretation licences from Ixsea France.
Activities of the Marine Wing of GSI include seabed mapping within territorial waters, parametric studies in the shelf area, placer mineral resources evaluation, geotechnical investigation of the seabed, monitoring of coastal processes and shoreline changes, shallow seismic surveys, evaluation of sand bodies, sediment dynamics, high resolution study of planktons, close spaced bathymetric survey, and geo-environmental evaluation, creation and development of marine geosciences database, and compilation of seabed maps.
The SIG 2mille sparker system is a reliable and safe energy source which is being used in every part of the world. For SIG, with the local support of Results Marine Private Ltd, the Indian market is opening new perspectives.
SIG July 2011
The Maritime Institute in Gdansk has equipped the new research vessel R/V IMOR with an Energos 300 boomer from SIG France. The R/V IMOR is the first polish research vessel purposely engineered to explore the coastal zone and shallow waters. With the ENERGOS 300, in this range of application, the boomer will yield penetrations of the order of 140 ms for 40 m of water depths, and achieve resolutions of 30-50 cm.
The vessel, put into operation in 2006, is carrying out hydrographical and geophysical investigations, wind farm location studies.