The northern nam con son basin petroleum system, based on exploration data from block 042 vietnam. We analysed in situ stress and pore pressure fields in the sedimentary formations using data from petroleum exploration and production wells to evaluate the stress state in these basins. Abstract recent drilling results and activity has created a renewed interest in the nam con son basin in southern offshore vietnam. Nam con son basin malay basin malaytho chu basin there are two more basins in the east sea, they are truong sa basin group and hoang sa basin. The nam con son basin, together with the smaller cuu long basin to the north represent rift structures formed as a result of the extension prior to sea. Natuna sea block a to nam con son block 12w l e a r n i n g s l e a r n i n g s 12w 0703 tuna. Pliocene to recent stratigraphy of the cuu long and nam con. Stress state in the cuu long and nam con son basins. The basin data is derived from a lower resolution grid which has been upsampled using gmt. It consists of two condensate gas fields lan do and lan tay discovered in 19921993.
Both the malay and the nam con son basins have younger coaly source rocks that have contributed to the petroleum system figure 12. Aug 12, 2011 belut laut, along with gajah laut utara1 and the successful appraisal of the ca rong do discovery crd2x in vietnam earlier this year, has confirmed the potential for hydrocarbons within the oligocene section in the nam con son basin. This searchable database comprises the full ipa publications archive comprising ipa convention proceedings from 1972 to the presentday, technical symposiums and other special publications. Currently one oil field and two gas fields are under production. The basin is estimated to contain 20 percent of the countrys total hydrocarbon resources around 4. The synrift and postrift units in the cuu long basin consist of nonmarine deposits and paralic to shallowmarine sediments, respectively. The synrift and postrift units in the cuu long basin consist of nonmarine. Pvn group is the only local company with access to the countrys oil and gas reserves. Most oil exploration and production activities occur offshore in the cuu long 80% and nam con son basins. Condensate processed at the rong doi platforms will be loaded onto the fpso via.
The synrift deposits in the nam con son basin can be divided into the early synrift unit, corresponding to the initial rifting phase, and the late synrift unit, deposited during the second rifting phase. The discovery and production of significant volumes of hydrocarbons from within faultbounded structural highs has spurred a drive to better understand the basin structure. Petrographic characteristics and depositional environment. Fti has been awarded a significant 1 contract by petrovietnam gas for the engineering, procurement and construction epc of the nam con son 2 phase 2 pipeline across nam con son basin and cuu long basin in vietnam. The early rifting stage of the nam con son basin starts in the eoceneearly oligocene. This renewed interest follows several phases of exploration in the nam con son basin in which initial drilling and da. Pdf stress state in the cuu long and nam con son basins. Talisman and its partners the independent companies pearl energy, pan pacific petroleum pan pacific and the national oil company noc petrovietnam oil and gas group petrovietnam have completed the conceptual study in favor of tension leg. World petroleum resources assessment project assessment. Though both wells had similar engineering designs, the formations penetrated were vastly different. Petroleum geology of the nam con son basin nguyen trong tin and nguyen dinh ty vietnam petroleum institute vpi yen hoa tu liem hanoi abstract. Vietgazprom drilled two deepwater exploration wells in the nam con son basin offshore vietnam. Lan do offshore gas field, nam con son basin offshore. The results presented in this paper are the first published estimates of the complete stress tensor in the cuu long and nam con son basins, offshore vietnam.
This basin is the southernmost sedimentary basin offshore of vietnam, located. This could have introduced an accuracy which is beyond the. The nam con son basin shows clear evidence for second period of rifting in the middle miocene coincident with end. Overview this page bundles the available data for the nam con son basin in the sundaland region. Exploration drilling update, nam con son basin, indonesia and. The blocks cover an area of 1,054 km 2 with water depths of. Nam con son basin ncsb is located in the southeastern continental shelf margin of vietnam with an area of circa 110,000 sq. Basin inversion of the west natuna, western nam con son, and malay basins is attributed to collisioninduced clockwise rotation of borneo and the attached, rigid natuna arch and natuna basement ridge, beginning during early miocene time. Geology and sequence, stratigraphy of block 0694, nam con son.
Integration strategy in refining and petrochemical complex dr. Its southern and southeastern boundaries are in the vietnamese waters which border the neighbouring countries, and. Neogene stratigraphic relationships within the nam con son. The reserves lie at water depths of about 185m 607ft. The nam con son basin ncsb is located in the southeastern continental shelf margin of vietnam with an area of circa 110,000 km2, bordered. Pdf structure, stratigraphy and petroleum geology of the. Belut laut, along with gajah laut utara1 and the successful appraisal of the ca rong do discovery crd2x in vietnam earlier this year, has confirmed the potential for hydrocarbons within the oligocene section in the nam con son basin. Bien dong 1 project, nam con son basin offshore technology. The fields are located at a water depth of about 140m.
The nam con son basin is the largest oil and gas bearing basin in vietnam, and has a number of producing fields. All the geological formations in the nam con son basin can be divided into two complexes of major structural elements, the basement composed of precenozoic. The dai nguyet and sao vang discoveries are located in the central to west area of blocks 051b and 051c in the nam con son basin, offshore vietnam, approximately 350 kilometres south east of vung tau city. World petroleum resources assessment project assessment of. Stress state in the cuu long and nam con son basins, offshore. This renewed interest follows several phases of exploration in the nam con son basin in which initial drilling and data collection allowed for the definition of a tectonic and stratigraphic definition of the nam con son basin. In the nam con son basin, the synrift lacustrine shales are proven, but deeply buried and generally overcooked and therefore not a viable source rock for portions of the basin. This paper introduces the petrographic characteristics and depositional environment of middle miocene rocks of the thien ung mang cau structure in the central area of nam con son basin based on the results of analyzing thin sections and structural characteristics of core samples. The northern part of the nam con son basin of vietnam is a functioning petroleum system that has not livedup to initial industry expectations. Key seismic sections were published by swiecicki and maynard 2009. Timing and tectonic implications of basin inversion in the. Bp pipelines vietnam bv and bp exploration operating co.
Despite these differences, the operator used information gathered in nearreal time while drilling the. Vietnam market for oil and gas machinery and services. The stratigraphic successions in the pattani, malay, penyu, west natuna and nam com son basins show many features in common, with a generalised succession driven by regional tectonics. Bp awards pipeline contract for nam con son gas project. The nam con son basin is one of several tertiary rift basins located on the continental shelf, offshore indochina. Thai basin penyuwest natuna basin malay basin sulu sea basin palawan shelf basin khorat plateau thai cenozoic basins cuu long basin nam con son basin baram delta bruneisabah basin south china sea platform greater sarawak basin kutei basin north sumatra basin. In each basin a late eocene and early oligocene synrift phase was. It is the largest oil and gas bearing basin in vietnam and has a number of producing fields. Pliocene to recent stratigraphy of the cuu long and nam con son basins, offshore vietnam. The nam con son 2 gas pipeline involves the construction of a 325km offshore gas pipeline, approximately 39km of onshore gas pipelines and a 25km onshore liquid pipeline to recover and transport gas from gas fields located within hai thach, moc tinh blocks 05.
Seismic interpretation of the nam con son basin and its implication for the tectonic evolution n. Assessment of undiscovered oil and gas resources of southeast asia, 2010 printed. This paper introduces the petrographic characteristics and depositional environment of middle miocene rocks of the thien ung mang cau structure in the central area of nam con son basin based on the results of analyzing thin sections and structural characteristics of. Typhoons are relatively common in the region and this impacts drilling and production activities. The nam con son pipeline is a twophase pipeline running from block 061 to the phy my power and industrial complex in south vietnam.
Song hong basin nam con son basin phu khanh basin tu chinhvung may basin cuu long basin malaytho chu basin hoang sa. We analysed in situ stress and pore pressure fields in the sedimentary formations using data. As the east vietnam seafloor spreading totally ceased at about 17 16 ma, regional sea level. The svdn project comprises of sao vang and dai nguyet fields, locate at blocks 051b and 051c respectively in the nam con son basin, about 350km southeast offshore vungtau city at about 120m waterdepth. The cuu long and nam con basins, offshore vietnam, contain sediment dispersal systems, from updip fluvial environments to downdip deepwater slope and basinal environments that operated along the southern continental margin of vietnam during pliocene to recent time. Vietnam nam con son exploration basin report wood mackenzie. The nam con son basin formed as a rift basin during the oligocene period. Tectonostratigraphic framework and tertiary paleogeography of. Pdf a sequence stratigraphic framework for the sunda. Technipfmc awarded significant subsea contract for. Pliocene to recent stratigraphy of the cuu long and nam. Exploration drilling update, nam con son basin, indonesia. Pvn group also acts as the sole local partner in pscs, jocs and jvs in vietnam petrovietnam exploration production corporation pvep is the upstream arm of pvn group and. These coaly source rocks were deposited in both coastal mangroves and in extensive tidal estuarineupper coastal plain peat swamps.
Geologic evolution of the cuu long and nam con son basins. The nam con son basin is situated within 66945n and 106010930e. Elen oil company, will join forces with petrovietnam pvn to develop and operate a gas reservoir in block 21 at the nam con son basin, offshore vietnam figure 1. It has received relatively little attention until recently and remains a poorly understood sedimentary basin. Tectonostratigraphic framework and tertiary paleogeography. Bien dong 1 project involves the joint development of the moc tinh and hai thach gas fields situated in the nam con son basin, offshore of southern vietnam. The nam con son basin also known as the wanan basin formed as a rift basin during the oligocene period. A sequence stratigraphic framework for sunda region, based on. Stress state in the cuu long and nam con son basins, offshore vietnam. Miocene carbonate platforms are located on intrabasinal structural highs and along the southern margin of the nam con son basin also referred to as the wanan basin by chinese, southwestern south china sea. A sequence stratigraphic framework for the sunda region, based on integration of biostratigraphic, lithological and seismic data from nam con son basin, vietnam. Neogene stratigraphic relationships within the nam con son basin, offshore vietnam resulting from tectonics, eustasy, and sediment flux a dissertation by christine m.
The nam con son basin is located off the southeast coast of vietnam, and extends in an elongated nesw trend, parallel to the cuu long basin. Nam con son basin and transported through a second pipeline, nam con son 2, onshore in southeastern vietnam. Neogene sequence stratigraphy, nam con son basin, offshore. This record might then be useful in interpreting the longterm history of basin evolution in the nam con son basin. The majority of the basin is located in a shallow water less than 200 meters but to the north the bathymetry can goes deeper than 2000 meters. These isolated platforms together cover a gross area of over 25,000 km 2. All the geological formations in the nam con son basin can be divided into two complexes of major structural elements, the basement composed of pre cenozoic. Application of spectral inversion to enhance seismic. Development and controlling factors of miocene carbonate. Development and opportunities across vietnam and the nam con. It was commissioned in november 2002 and at the time was the longest twophase line in the world. Tectonic development of nam con son basin based on new seismic data interpretation. Nghi son dung quat hai phong ca mau vung tau in operation under construction. The project first phase includes the sao vang processing platform sao vang cpp and infield pipeline system.
Upstream industry 25 song hong basin 30 phu khanh basin 32 onshore mekong delta dbscl 34 nam con son basin 36 phu quoc basin 40 malay tho chu phu quoc basin 42 2. Seismic interpretation of the nam con son basin and its. Pdf seismic interpretation of the nam con son basin and its. The blocks cover an area of 1,054 km 2 with water depths of between 110 and 150 metres. We map the platforms, reconstruct their evolution, and evaluate. Cuu long basin nam con son basin baram delta bruneisabah basin south china sea platform greater sarawak basin kutei basin north sumatra basin central sumatra basin south sumatra basin song hong basin phu khanh basin northwest java basin east java basin barito basin tarakan basin 3605 palawan shelf hanoi manila jakarta bangkok rangoon. Natural gas for the project will be supplied from the nam con son basin offshore gas fields by petrovietnam.
Age constraints were assigned to key stratigraphic horizons by correlating sequence boundaries with published sea level curves. Nine sequence boundaries and associated sequences are recognized along the late miocene to latest pleistocene shelf in the east nam con son basin. The images are hyperlinks and will open up a separate window with a high resolution pdf image of the map. This page bundles the available data for the nam con son basin in the sundaland region. Talisman ca rong do tension leg platform at design the calgarybased talisman energy inc. Tectonic development of nam con son basin based on. The nam con son basin is here fore located in the region where two fundamen tally different structural styles may bc expected to overlap, and therefore provides an opportu. Parts of the nam con son basin experienced inversion in the middle to late miocene. A second phase of rifting began in the nam con son basin, lasting until the late miocene. The northern nam con son basin petroleum system, based on. Along with three gas pipelines, bach ho, nam con son and ca mau, pvn is building the fourth pipeline from the gulf of thai to o mon in can tho province, as well as the second nam con son pipeline from the west ocean and the nam con son basin.
Applications of spectral inversion on a seismic dataset in nam con son basin, vietnam, have successfully resolved the wavelet interferences created by complex reflectivity patterns of the interbedded sand bodies with thin claystones and coal layers. This basin is the southernmost sedimentary basin offshore of vietnam, located within coordinates of 66945n and 106010930e in the east vietnam sea. We also expect to discover twothree oil fields in the basin. The history of studies in the basin can be divided into four periods. Neogene stratigraphic relationships within the nam con son basin, offshore vietnam resulting from tectonics, eustasy, and sediment flux. Khanh basin, nam con son basin, malay tho chu, until 2020, we are planning to increase oil and gas phu quoc basin, mekong delta and overseas blocks reserves to 4050 million cubic metres of oil in malaysia, uzbekistan, laos, and cambodia. Morley tony swiecicki dung thuy thi pham abstract the stratigraphic successions in the pattani, malay, penyu, west natuna and nam com son basins.
204 1123 978 527 1039 344 1530 1317 1523 1205 1302 597 718 155 326 663 1110 575 1446 1273 749 1431 1568 463 1159 403 545 537 1085 365 177 962 996 1478 1297 585 985 610