Guyana petroleum geology pdf

World petroleum resources project an estimate of undiscovered. Oil mmbo type 01 f95 f50 f5 mean f95 f50 f5 mean f95 f50 f5 mean 6021 total. Prior to the liza 1 success, there were 22 wells drilled by other companies, all of which proved to be noncommercial. However, the recent oil discoveries in french guiana and guyana, combined with the conjugatemargin theory stressing the similarities of the petroleum geology of west africa and northeastern south america, have further boosted interest in the basin, even at a time when the oil business has taken a downturn. In this article, lets have an indepth look at the emerging guyana suriname basin, including its geology and resource potential, exploration history, discoveries made so far, to lay a foundation. Pdf offshore guyana is an area of high exploration interest due to a series of recent oil discoveries. Our goal is to provide our sponsors with a regional structural and stratigraphic synthesis of the entire margin from trinidad to northern brazil. Petroleum geology and total petroleum systems of the widyan. All permission to operate dredge or specified machinery forms will be solely available online. The leading geological features are presented in a line of section from the orinoco, proceeding in a.

Carbonate reservoir more gas in reefs, more oil in microbialites presalt. In may 2015, exxonmobil successfully brought in the liza 1 wildcat well, 120 miles off the coast of the south american nation of guyana in the stabroek block, in the guyana suriname basin. Important development for cgx energy going forward as the company is solely focused on guyana exploration offshore and onshore. According to guyana geology and mines commission, 2017 the deepest part of the southern boundary of the basin is approximately 150 miles from the guyanese coastline. There is established a body called the petroleum commissionof guyana which shall be a body corporate. Ahlbrandt foreword this report was prepared as part of the world energy project of the u. Coster, 1985, petroleum potential of offshore guyana. Where during any period covered by this petroleum prospecting licence the obligations of the licensee under this petroleum prospecting license have been suspended by reason of force majeure, the period of which this petroleum prospecting licence has been granted shall be extended as specified in article 24 of the petroleum agreement.

Granitic rocks border the graben on the south and east. Guyana geology and mines commission act to be read as part of this act. What is petroleum geology it is the application of geology the study of rocks to the exploration for and production of oil and gas. Totaltec floating logistics hub lars mangal previous. More on the physical and geological features of guyanas. International boundary shapefile of guyana, south america. Petroleum geology and total petroleum systems of the widyan basin and interior platform of saudi arabia and iraq by james e. Hydrocarbon and petroleum geology of france pp 411422 cite as. Marine and petroleum geology is the preeminent international forum for the exchange of multidisciplinary concepts, interpretations and techniques for all concerned with marine and petroleum geology in industry, government and academia. Company exploratory oil and gas assets in offshore guyana. The guiana shield forms the northern part of the amazonian craton, the core of the south american continent most of the geology of northern guyana consists of palaeoproterozoic orosirian greenstone belts barama and mazaruni supergroups intruded by granites. Most of the guyanasuriname basin lies offshore, where the sediment package becomes thicker as the basin grows deeper.

Therefore, permission must be received from the ggmc, before any exploration activity can begin. Guyana gained attention in the world in may 2015 when exxonmobil announced the discovery of more than 90 metres of highquality, oilbearing sandstone reservoirs about 200 km off its coastline 2. Last weeks column referred the us geological surveys world petroleum assessment of 2000, which has identified the guyanasuriname basin, geologically, as a. The purposes of this association are to advance the science of geology. Guyana exploration opportunities draw industrywide interest. Feb 14, 2019 a new petroleum province has emerged in the guyana suriname basin, thanks to liza and other discoveries made by exxon mobil in the deepwater stabroek block. The petroleum division of the guyana geology and mines commission has the responsibility of monitoring exploration in guyana.

Petroleum, her excellency the president of the cooperative republic of guyana, janet jagan. Laws of guyana petroleum e xploration and production cap. In may 2015, exxonmobil successfully brought in the liza 1 wildcat well, 120 miles off the coast of the south american nation of guyana in the stabroek block, in the guyanasuriname basin. Assessed onshore portions of guyanasuriname basin province oil fields 20 79 179 87 26 108 263 121 1 5 14 6 gas fields 93 324 120 0 3 12 4 total 1. This stratigraphic interval remains a potential play for future exploration, but with the depth of burial increasing rapidly westwards, overpressuring may be required to preserve porosity and. Guyana geology and mines commission unlocking the mineral and petroleum wealth of guyana resources.

The crystalline basement forms part of the guiana shield, which stretches between the orinoco and the amazon rivers and includes eastern venezuela, guyana, suriname, french guiana, and northern brazil. The ministry of natural resources, in keeping with its commitment to release major contracts between esso exploration and production guyana limited, cnooc nexen petroleum guyana limited, hess guyana exploration limited and the government of the cooperative republic of guyana and companies in the extractive industries sector, now makes available the contract. B guyana onland geology map showing the basins southeastern limit of the. Unlocking the mineral and petroleum wealth of guyana national portal. Petroleum geology and total petroleum systems of the. Guyanas upstream fortunes changed with the liza oil discovery.

Fundamentals of petroleum geology petroleum geology. Fundamentals of petroleum geology contact ihrdc sales for corporate purchases add to cart price. Regional geologyformation of the guyanasuriname basin. It occupies an ancient precambrian shear zone within the heart of the archean guyana shield. Guyana suriname french guiana g eo rg eto w n p aram aribo c ay en n e 0 100 200 300 400 500kilometers g u yan a s u rin am e b asin g eologic p rovin ce 6021 cenomanianturonian total petroleum system 602101 guyanasuriname basin geologic province 6021 cenomanianturonian total petroleum system 602101.

Exxonmobil is the operator of the stabroek, canje and kaieteur. The guyanasuriname basin is a sedimentary basin encompassing the coastal area of french guiana, suriname, guyana and the eastern part of venezuela antillean arch. The geology is undoubtedly high risk and in a recent setback, repsol ypf suffered a disappointment earlier this year on the surinamese side of the guyana basin, when its west tapir prospect came in dry. This paper shows the validation of this method implemented in over 20 wells in the surinameguyana basin. World class canje source beds are in a mature position figure 2. Liza proved to be the first in a series of discoveries made over 20152019 on the block. Guyana occurs within the northern part of the guiana shield. The guyanasuriname basin is a half graben atlanticmargin basin on the northeast coast of south america figure 1. The geology and mines commission mining in guyana is managed by the geology and mines commission ggmc under the mining act of 1989. The guiana shield forms the northern part of the amazonian craton, the core of the south american continent. Liza field development the guyanese perspective onepetro. The act allows the ggmc to be the guardian of all minerals in guyana. Exxonmobil is now firmly established in guyana, operating an office in georgetown, with numerous ongoing exploration and development operations offshore.

Guyana geology and mines ministry of natural resources. This shapefile is based on the boundaries of guyana as they appear in open street map. Pdf liza field development the guyanese perspective. Geology itself is strongly based on chemistry, physics and biology, involving the application of essentially abstract concepts to data. Subsea technology today and in the future craig hume. Geologically, suriname onshore is subdivided into a crystalline basement 80%, and a coastal plain 20%. The same basic fundamentals for hydrocarbon accumulation apply for small accumulations as they do for large accumulations, and those basic principles should always be applied. Broadhead, new mexico bureau of geology and mineral resources, a division of new mexico institute of mining and technology introduction the oil and natural gas that are produced from oil and gas fields reside in porous. One hundred seventyone geologic provinces were assessed in this study exclusive of provinces of. Pdf tectonostratigraphic evolution of the guyana basin. Guyanasuriname basin ranked 2nd most prospective in the. Exxonmobil guyana has made 16 discoveries since may 2015 and begun production in december 2019 from the liza phase 1 development. These sediments were deposited over most of the basin and contain good oil source. With no major oil discoveries, the region is considered by the.

Notes on the geology of guyana in venezuela journal of. The guyana suriname basin is a sedimentary basin encompassing the coastal area of french guiana, suriname, guyana and the eastern part of venezuela antillean arch. The company acquires, explores, develops, produces, and markets oil and natural gas. For this project, the world was divided into eight regions and 937 geologic provinces. Brief history of oil exploration, guyana basin, guyana.

The observations on which this notice is based were made during a trip of some two months extent in the latter part of last year, and though having reference to a small section of the province of guyana, in venezuela, yet are applicable to an extensive area. Most of the geology of northern guyana consists of palaeoproterozoic orosirian greenstone belts barama and mazaruni supergroups intruded by granites. The average well depth is approximately 1,000 ft, bottomhole temperature bht is 100f, and gravity is in the range of 10 to 20 api. The american association of petroleum geologists is an international organization with over 38,000 members in 100plus countries. In creating this overview of the guyana play, dribus geologic consulting. The exploration and discovery history of the guyana amazon s3. The outcrop of crystalline proterozoic basement, the guiana. Southnorth schematic crosssection through the surinameguyana basin illustrating the various petroleum play systems present in the basin staatsolie internal report 2015. Hydrocarbon potential of jurassic source rock in the guiana. Most of the guyana suriname basin lies offshore, where the sediment package becomes thicker as the basin grows deeper. These are overlain unconformably by the statherian burro. This act may be cited as the petroleum commission of guyana act. It was rated as the second most prospective unexplored basin in the world according to the usgs in its world petroleum assessment 2000. Breaking news stories, features, profiles of personalities, comment columns, and association information is included.

The trans amazonian orogenyin the lower proterozoic between 1. Guyana basin situated in guyanas maritime area and is 120,000 sq. Lateral variation in magnetic susceptibility and remanence give rise to spatial variations in the magnetic field it is expressed in so called magnetic anomalies, i. G u yan as u rin am e b asin g eologic p rovin ce 6021. The french guyana margin is located between 4 and 6non the western side of the.

Guyana american association of petroleum geologists. Hydrocarbon potential of jurassic source rock in the. Anadarko petroleum corporation is us owned and operates as an oil and gas exploration company. Competent persons report for certain assets in offshore guyana. Guyana basin situated in guyana s maritime area and is 120,000 sq.

Aapg explorer is a monthly petroleum geology publication that covers the entire span of energy interest, with emphasis on exploration and development of hydrocarbons and energy minerals. Outline map of guyana pdf map of guyana showing major towns and rivers. Geological survey usgs world petroleum resources project fig. Laws of guyana petroleum e xploration and production 3. Introduction guyana has two main petroleum provinces. Ggmc unlocking the mineral and petroleum wealth of guyana. The takutu basin is a mesozoic graben 280 km long and 40 km wide in northern brazil and adjoining guyana. The guyana suriname basin is a half graben atlanticmargin basin on the northeast coast of south america figure 1. May 21, 2018 anadarko petroleum corporation is us owned and operates as an oil and gas exploration company. That well targeted just one of several prospective offshore plays in the guyana basin and many other prospects remain to be tested. Geology and exploration in takutu basin, guyana conference. It occupies an ancient pre cambrian shear zone within the heart of the archean guyana shield.

1121 1035 591 1216 208 705 1062 785 518 473 1338 50 432 1282 246 1423 1541 1082 1076 450 597 1067 653 349 391 159 218 1364 1449 619 1312 1136 417 1403 1111 1501 308 1009 1052 1488 649 151 1033 213 1016 364 252