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DMNG | Company History


December. Order on establishment of the Pacific Group of Parties issued by Marine Geophysical Operations Department of Scientific Research Institute of Geophysics (VNIIGeofizika), Ministry of Geology of the USSR (later Dalmorneftegeophysica JSC).


Pacific Group of Parties was made a part of Marine Geophysical Operations Department of VNIIGeofizika, Gelendzhik, Ministry of Geology of the USSR ● Analogue oscillographic seismic stations, use of explosives, navigation equipment - RGS "Poisk".


April: Pacific Marine G&G Expedition was made a part of VNIIMorgeo (Riga), Ministry of Geology of the USSR Research vessel (R/V) “Mirnyi” was transferred to its possession.


Fleet of the company was enriched with R/V “Geolog”.


Company received the first domestic equipment “Louch-1” for analogue geophysical data processing.


Development of gas detonation unit based on the usage of oxygen/hydrogen mixture, which replaced trotyl.


Putting into operation of analogue equipment PSZ-4M, which allowed to save and stack analogue seismic signals. ● Thanks to detailed reflection shooting offshore Sakhalin, eight structures were prepared for exploratory drilling in two years, six of them were accessible for directional drilling from shore. ● Completion of seismic surveys near-shore West Kamchatka, in Terpeniya Bay, in the north-east part of deepwater basin in the Sea of Japan ● Sonar “SPARKER” was developed and put into operation.


Survey works intended to study Rymnikskaya anticlinal fold, shallow zone of the Tatar Strait, Astokh and Chaivo folds and other areas. ● Pacific Expedition consisted of several parties, laboratory and three survey vessels: “Mirnyi”, “Geolog” and “Geofizik”. ● October. Pacific Expedition was made a part of NPO “Yuzhmorgeo”, Krasnodar, Ministry of Geology of the USSR ● Refusal from explosives, transition to non-explosive sources (hydrogen/oxygen mixture gas detonation units).


Introduction of CDP seismic reflection method with non-explosive source. ● Survey operations in Tatar Strait ● Introduction of refraction correlation method with non-explosive source.


Geophysical study of Lugovskaya brachy-anticline lead to discovery of a multi-zone gas field with commercial reserves. ● Establishment of a specialized “MINSK-31”-based processing center. Transition to processing of seismic data acquired by CDP seismic reflection method.


Drilling unit installed onboard S/V “Geofizik” was tested. The first test hole of 16.3 m depth was drilled offshore Sakhalin ● S/V “Poisk” with up-to-date equipment joined the company’s fleet.  Transition to digital seismic recording (complex “Grad”), commencement of operations with air-guns. ● 26 January: General agreement “On cooperation in exploration, fields development and oil & gas production activities offshore Sakhalin” was concluded between the USSR and Japan (“SODECO”). A large part in the program of such cooperation was assigned to the Pacific Expedition.


Pacific Expedition made its first voyage to the World Ocean onboard S/V “Poisk”. Geophysical party acquired 2 thousand running km of integrated geophysical lines. ● Personnel training and probation in CGG and Sercel due to application of new pulse-position navigation systems. ● First contract was concluded with “Sudoimport” company and CGG for carrying out marine exploration works with the usage of M/S “Orion Arctic” in the scope of 10 thousand running km. ● First operations with the French navigation-geophysical complex (CGG) offshore North-East Sakhalin


Personnel training and probation in «Control Date» (USA) and CGG (France) for operation of CYBER-172 processing complex. ● New seismic vessel “Iskatel” was built. ● Prospecting well # 1 (jack-up rig “Borgsten Dolphin”) was drilled in the Odoptu-sea structure identified by the company. As a result, the first major oil and gas condensate field offshore the Sea of Okhotsk was discovered.


Full technical re-equipment of the Pacific Expedition was completed. Radio-navigation systems TORAN-P100 and SYLEDIS with high-accuracy positioning capabilities were put into operation. ● French navigation-geophysical complexes were installed and put into operation onboard S/V “Poisk” and “Iskatel”: seismic stations – SN-338HR; sources – VAPORCHOC and STARJET; radio-navigation systems “JIN” completed with RGS SYLEDIS. ● Re-equipment of the Processing Center: CYBER-172, RDS-500 and TNR-95. Sharp increase in both the efficiency of CDP data processing (up to 50 thousand km) and the information capacity of processing results. Offshore data acquired almost in all seas of the USSR as well as onshore data acquired in Sakhalin, Kamchatka, Chukotka and Primorie were processed.  


Pacific Expedition took part in the works on coordination and deployment of jack-up rigs “Hakuri-IV” and “Hakuri-ll” at the drilling locations in Odoptu, Chaivo and Dagi structures. ● In summer, well #1 in Chaivo gas-and-oil field produced commercial oil flow. ● March. Pacific Expedition was made a part of VMNPO “Soyuzmorgeo”, Krasnodar, Ministry of Geology of the USSR


Soviet-Vietnamese agreement on oil exploration offshore Vietnam was signed. Pacific Expedition proceeded to geological engineering surveys offshore Vietnam ● Beginning of processing of data acquired overseas – Socialist Republic of Vietnam, Cuba, Democratic People's Republic of Korea


Conversion of S/V “Experiment-2” for drilling exploratory holes. ● Pacific Expedition started operations in Vietnam under the contract with “Vietsovpetro”.  Expedition’s fleet included research vessels “Dmitry Sterlegov”, “Iskatel”, “Experiment-2”.


Pacific Expedition got “excellent” mark from the State Reserves Committee of the USSR in the defense of its report based on the results of seismic survey in Chaivo field, which was included in Sakhalin-1 project. ● April. Pacific Expedition was made a part of VMNPO “Soyuzmorgeo”, Murmansk, Ministry of Gas Industry of the USSR


Expedition’s fleet was enlarged by the new S/V “Akademik Gamburtsev” with JMR-21 navigation complex and by the new specialized engineering-geological vessel “Diabaz”, which started her operations in Vietnam ● April. Pacific Expedition was given a new name - Trust “Dalmorneftegeofizika”.


Trust’s canteen for 120 seats as well as assembly hall for 350 seats was put into use; 120-apartment building for personnel with small families was in the course of construction.


First attempt to perform acquisition and CYBER-based processing of 3D data offshore north Sakhalin ● First voyage of Trust’s geophysicists into the East-Siberian Sea (Chukotka) onboard the chartered icebreaker “Fedor Litke”.


In three years, by means of detailed survey and basing on the results of previous research activity offshore North-West Sakhalin, the following structures were prepared for exploratory drilling by the company: Piltun-Astokhskaya, Lunskaya, South-Lunskaya, Kirinskaya, Nabilskaya, Astrakhanoskaya, Nadezhdinskaya, Gavrilevskaya, Isylmetyevskaya and Alexandrovskaya. ● S/V “Akademik Selsky” was added to the company’s fleet. First voyage to Shantar Islands ● 2D seismic survey in Korea, DPR.


S/V “Akademik Goubkin” was built. ● Vertical seismic profiling (VSP) party was organized. ● Contract for geological study of petroleum potential offshore the Yellow Sea was concluded with the Government of Korea, DPR.


Company’s fleet was enriched with S/V «Akademik Kreps”. ● Hewlett Packard-based interpretation system was created. ● April. Trust “Dalmorneftegeofizika” was made a part of PO “Soyuzmorgeo”, Murmansk, Ministry of Petroleum Industry of the USSR


Quadripartite Agreement on the Pacific Voyage “PAKTRAN” was concluded (SakhKNII, DMNG, Hawaii Institute of Geophysics, US Geological Survey). ● 2D seismic survey in Korea, DPR (S/V “Akademik Gamburtsev”) and interpretation of acquired data. ● New specialized vessel “Iskatel-4” was added to the company’s fleet for carrying out the works in shallow transit zones.


Upgrading of S/V “Akademik Kreps”: seismic station - DFS-5, air guns - SLEEVE GNN. ● Well-know voyage to the Chukchi and East-Siberian Seas First multi-client survey in Russia (in cooperation with Halliburton Geophysical Services). 11 800 running km acquired. The data is still unique and the only commercial data in this sector. ● Contract with JV “Vietsovpetro” for radio-geodesic services.


2D survey offshore the Kurils (S/V “Akademik Selsky”). ● S/V “Akademik Gubkin” renamed “Zephyr”. ● Trust “Dalmorneftegeofizika” acquired 26 thousand running km of lines; 19 structures were identified. And altogether, 400 thousand running km of seismic lines were acquired and more than 200 prospective structures were identified from the date when Expedition (and later Trust) started its activity. ● First experience with digital seismic streamer in complex «STARLAB» (S/V “Akademik Gubkin” – S/V «CGG ZEPHYR»).


February. Trust “Dalmorneftegeofizika” was made a part of PO “Soyuzmorgeo”, Murmansk, Ministry of Fuel and Energy of RF. ● American computer CDC-4360 with CGG special software package GEOVECTEURE was put into operation.


IBM-320 was put into operation. SUNSPARK interpretation system for geological interpretation and maps generation was installed.


State financing of field operations was stopped cold. ● Contract for refitting of S/V “Akademik Kreps” with 3D survey equipment was concluded with PGS. The vessel got a new name “Orient Explorer”. ● Contract with Shell – seismic-stratigraphic survey of North-Sakhalin basin was performed. ● IBM-370 with PROMAX processing package was put into operation. Old data reprocessing on the orders from Mobil, Exxon, Marathon


S/V “Akamik Gamburtsev”, S/V “Iskatel” and TBS “Neftegaz-25” were sold. ● Attempts of the government institutions to make the company bankrupt. ● Identified exploration potential as of 1.01.1996 – 220 structures.


Commencement of the company’s four-year activity offshore Norway, England, Ireland under the contract with Nopec. ● 2D works offshore North Africa.


2D works performed by “Orient Explorer” and “Zephyr 1” in South East Asia and in the North Sea


Default in Russia Full and reliable reestablishment of DMNG’s financial solvency.


Upgrading of all company’s departments. Main areas of operation: continental shelves of Norway, Scotland, Portugal, Australia


Operational strategy “Economy and Creation of Prerequisites for Growth”. New procedures and principles of management accounting and planning were established.


Greenland voyage for TGS-Nopec. ● The company gained a record profit over the last 5 years - RUB 55 million.


Leased vessel “Akademik Nalivkin” was equipped and put into operation.


Reorganization of FSUE “Dalmorneftegeofizika” into an open joint-stock company. ● 2D/3D seismic surveys for Petrosakh JSC in transit (shallow water) zone of East-Okruzhnaya area, Sakhalin-6. ● After a ten-year break, state-financed operations were performed by S/V “Zephyr-1” in the Sea of Okhotsk ● Since 1996, more than 16 thousand km2 of 3D survey, i.e. about 90% of the total scope of all marine 3D surveys in Russia, were acquired in cooperation with JV “DMNG PGS AS”. ● DMNG - TGS-Nopec joint multi-client project SA-04 offshore Sakhalin


State contract for carrying out seismic operations over Golygin area offshore Kamchatka ● 2D seismic survey in the Gulf of Anadyr offshore West Kamchatka, clients: NK “Sibneft”, “Kamchatneftegaz” (NK “Rosneft” - KNOC). ● DMNG - TGS-Nopec joint multi-client project SA-05 offshore North-East and East Sakhalin ● Program of geological & geophysical operations for a period till 2015 received environmental seal of approval. ● 2D/3D seismic surveys offshore South-East Asia


State contracts for carrying out seismic operations over Khatyr area in Bering Sea and Shantar area in the Sea of Okhotsk ● 3D survey in East-Schmidt block, offshore North Sakhalin, client: “Vostok-Schmidt Neftegaz” (Rosneft – BP). ● DMNG - TGS-Nopec joint multi-client project SA-06 offshore North-East and East Sakhalin ● Processing Center of DMNG became the largest marine seismic data processing center in Russia ● 2D/3D seismic surveys offshore South-East Asia


With the usage of two vessels, DMNG jointly with PGS Asia Pacific acquired 4,4 thousand km2 of 3D survey, and the total volume of such operations performed by the company (more than 20 thousand km2) exceeded 90% of the volume of all such surveys in Russia ● 2D survey over Khatyr area in Bering Sea and Shantar area in the Sea of Okhotsk ● DMNG - TGS-Nopec joint multi-client project SA-07 offshore East Sakhalin ● 2D/3D seismic surveys offshore South-East Asia ● S/V “Akademik Fersman” was put into operation after conversion. ● 2D/3D seismic surveys offshore South-East Asia


2D survey over Kaigan-Vasukan area in the Sea of Okhotsk for Elvary Nefteagaz (Rosneft-ВР). ● Multi-client projects MG-08 and SMR-08 in the north part of the Okhotsk Sea ● 2D/3D seismic surveys offshore South East Asia. ● In recent years, DMNG has proved to be the most economically viable and dynamically developing marine geophysical company in Russia.


3D survey on Kirinsky area of the Sea of Okhotsk, client - Gazflot (Gazprom) 3D survey on Kaigan-Vasukan area of the Sea of Okhotsk, client – Elvary Nefteagz (Rosneft - BP). ● Regional 2 DV profile in the Sea of Okhotsk, client – Sevmorgeo, ● 3D seismic surveys offshore Asia Pacific. ● Arrangement and conduction of scientific and practical conference “Geological structure and hydrocarbon potential offshore the Russian Far East”. ● In the framework of Mega Report “Geological structure and hydrocarbon potential of the Russian Far East shelf” a volume on East Arctic has been conpleted.


In cooperation with Polarcus company the first pilot project in Russia was carried out offshore Black Sea using 12-streamer vessel for JSC "NK Rosneft". Exclusive survey was carried out offshore Vietnam. State regional 2D program performed at 4 license arctic areas , total scope of 8,5 thousand linear kilometers.


DMNG, JSC opened a Processing Center on the territory of the Republic of the Union of Myanmar. Performed the program of 2D work offshore the Union of Myanmar for PTTEP company (Petroleum). The project offshore West India was performed for FOCUS Energy company in complex hydrological conditions, processing and interpretation of the acquired material was carried out as well. The same year a number of 2D/3D multi-client projects offshore Papua New Guinea, Indonesia, New Zealand, Far East of Russia were performed.


The most extensive 3D project was carried out in Kara Sea of the Russian arctic area in cooperation with Western Geco company. The same year DMNG formed an engineering and transition party which was joined by the best RF highly skilled specialist with vast experience.
At the Russian Far East and the northwest coast of Sakhalin island JSC DMNG started performance of NK Rosneft strategic program on the survey of the northwest part of Sakhalin island. For this purpose a 2D deepwater survey was carried out which allowed to connect into one network a number of medium-sized and small fields, as well as the program was started in the transition zone for onshore and offshore fields tying.
More than 7000 linear kilometers were acquired under ARS-12 program in Laptev and East Siberian seas.


Study of the transition zone at the northwest part of Sakhalin island was continued, transition 3D survey was carried out.
Under the license of JSC "NK Rosneft" 2D seismic survey work was performed in the northern part of the Sea of Okhotsk totaling 15 000 linear kilometers.
ERAS-3 seismic survey was performed in the arctic zone totaling 4251.5 linear kilometers.


Integrated 2D geophysical services were performed at the RF Arctic shelf - Laptev, Chukchi and East Siberian seas totaling 14 000 linear kilometers, also the project was successfully performed on 3D seismic survey at the license area Fedynski, Barents Sea in cooperation with Polarcus company.
2D/3D data processing was carried based out on the results of all the above listed projects. Under the order of the Ministry of Natural Resources 2D seismic survey was performed offshore Kuril Islands.
The project was implemented in transition zone for RN in the form of CDP 2D field seismic acquisition totaling 250 full fold linear kilometers at the subsoil block of federal significance, which includes north end of Chaivo field.
2D and 3D seismic data processing was performed on the areas of North Kolendo, West Mongi and Chaivo.


An extensive 3D/4D seismic survey project was performed at the Sea of Okhotsk at the licensed areas of Odoptu, Chaivo and Arkutun-Dagi under the order of Sakhalin-1 project operator Exxon Neftegas Limited. This project became the largest in Russia and engaged 9 vessels simultaneously.

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