Since the pressure data follow the same trend lines, it indicates that hawaz reservoir in h1, 2, 3 and 4 wells is hydraulically connected. The primary reservoir target in the basin is the upper ordovician mamuniyat formation, but where this is missing the middle ordovician hawaz formation is the primary target, as in parts of the. Through an extensive pipeline system, these aquifers provide the country with water for consumption and agriculture. Key sedimentary and plate tectonic events are featured based on extensive outcrop video footage combined with professional, animated 3d graphics, presentday facies analogue pictures and interviews with. Aug 07, 20 southern libya s military command is headquartered in sabha, a lowlying town in the southwest, with irrigated farmland nearby and concentric streets that seem to trace invisible battlements. Reservoir subdivision and prediction of poissons ratio according.
Oil exploration in the 1950s had revealed vast aquifers beneath libyas southern desert. Safe drinking water is essential fossil water in libya. A case study of the achabiyat and hawaz formations in the dur al qussah area, sw libya conference paper pdf available october 2018 with 184 reads. Reservoir quality of hawaz formation, j oil field, concession nc186, nw murzuq basin, sw libya article in arabian journal of geosciences 92 february 2016 with 86 reads how we measure reads. According to radiocarbon analysis, some of the water in the aquifers was 40,000 years old. The projects construction was divided into five phases. The main target of this investigation is to detect and evaluate the hydrocarbon play of hawaz formation in hfield.
The murzuq basin, sw libya, contains a sedimentary fill up to 4000 m thick, comprising a marine palaeozoic section and a continental mesozoic section. The middle ordovician hawaz formation is a 200m 660ftthick succession made up of finegrained quartzarenites displaying a variable degree of bioturbation. Reservoir efficiency of hawaz formation, h oil field, concession nc186, nw murzuq basin, sw libya dr. Comparative study between well logging and core analysis of. Clay types and reservoir quality of the hawaz succession, murzuq basin, sw libya. The main productive reservoir comprises from h4 to h6. Pdf comparative study between well logging and core analysis of. Southern libyas military command is headquartered in sabha, a lowlying town in the southwest, with irrigated farmland nearby and concentric streets that seem to trace invisible battlements. Pdf murzuq basin is one of the most important basins in libya. A history of conflict and international intervention in libya. Oil exploration, prompted by oil discoveries in neighboring algeria, began in 1953. Libya has several perennial saline lakes but no significant perennial watercourses.
Securing libyas southern border means securing europes southern border, minniti said. Hfield is one of the new discoveries in this concession. Although the oilbearing ordovician reservoirs of the murzuq basin had been on production. Apr 19, 2018 nearly 100,000 cubic meters of water is being lost daily due to acts of looting and vandalism, the directorate in the southern region of alhasawneh system of the manmade river authority confirmed. The middle ordovician hawaz clastic reservoir on the murzuq basin is a new exploration play of great importance in the nc186 concession. Regional geology and petroleum systems of the main reservoirs. Libya has hydrocarbon accumulations in paleozoic, mesozoic, and tertiary strata. It records the deposition in a largescale, lowgradient estuary, which was partially controlled by tectonic extension. According to energy intelligence research, in 2003 libya was the 11th largest exporter of petroleum in the world. As a consequence, a need exists for detailed sedimentological studies of both the oilprone mamuniyat formation and hawaz formation reservoirs in this area. Integration of seismic interpretation and petrophysical studies on. Iccpge 2016, 1, 25 30 clay types and reservoir quality of the hawaz succession, murzuq basin, sw libya sadeg m. Apr 03, 2017 securing libya s southern border means securing europes southern border, minniti said. Clay types and reservoir quality of the hawaz succession.
Libya nationalized its oil industry in 1973, and some american oil companies began withdrawing in 1982, following a 1981 us trade embargo. Pdf comparative study between well logging and core. Tectonic analysis of the al hamadah al hamra plateau of the. Of engineering geology, faculty of oil and gas zawia university abstract. Oct 25, 2019 the present work evaluates the middle ordovician hawaz sandstone reservoir in four wells a25nc186, a30nc186, h2nc186 and h4nc186 distributed in the nc186 concession of murzuq basin, libya.
Pdf strangraphy and sedimentology of the middle ordovician. Gaddafi quickly gained a reputation as being both unpredictable and aberrant. The only permanently flowing river is the twokilometerlong wadi kiam. The generation and entrapment of hydrocarbon in libya was controlled by the tectonic history of each individual basin. Type of organic matter in sirte shale type of organic matter in sirte shale is determined by microscopic examination of the isolated kerogen. The worlds biggest reservoirs of fossil freshwater lie below its desert. A full field static model of the rgoil field, central sirte. This basin has a triangular shape and extended toward the border of south from libya with. Schlumberger 1974 log interpretation manualapplication. Integration of seismic interpretation and petrophysical. Discussion in the international community about a nofly zone was heavily contested. Pdf the middle ordovician hawaz formation is a 200m. Reservoir pressure gradient based on data from h1, h2, h3 and h4nc186 wells.
The nubian sandstone aquifer system, the worlds largest, is located under the eastern part of the sahara desert and spans the political boundaries of libya, chad, sudan and egypt. The petroleum geology of southern libya is featured in a new training film series on dvd. Pdf clay types and reservoir quality of the hawaz succession. Sedimentology of a nonactualistic middle ordovician tidal. Cambrianordovician and upper cretaceous reservoir formations are foundn the central western sirte basin, the i main oil producing region in the sirte basin, libya. Hydrocarbon probability of middle ordovician hawaz formation. Italy brokers deal with libyan tribes to curb migrants. Bbc news sciencenature libyas thirst for fossil water. Libya and the great challenges of overcoming difficulties to. Southern libya is crisscrossed by smuggling routes for people, drugs and weapons.
History of conflict and international intervention in libya 2 in the bloodless coup of 1969, mohammed idris was overthrown and moamar algaddafi became commander in chief of the armed forces, and the chairman of the revolutionary command council. The socalled great manmade river is the worlds largest irrigation project. Results of pyrolysis data of well a3, arshad area, zaltan platform, sirt basin, libya. Mohamed a, adel kashlaf b a department of geology, faculty of. Estimated sizes, number, and coproduct ratios of undiscovered oil and gas fields for. The ghadames basin is one of the most important sedimentary basins for producing oil and gas in libya. Hawaz formation is subdivided into 8 units from h8 to h1.
Style of reactivation and setting of cenozoic volcanism mahmoud a. Office for the coordination of humanitarian affairs ocha. The series consists of 7 parts of 3045 minutes each. Reservoir efficiency of hawaz formation, h oil field, concession. During 1969, output from the sirte basin had even exceeded production from saudi arabia 3 mmbpd. Hydrocarbon probability of middle ordovician hawaz. Libyas only true mountains, the tibesti, rise in the southern desert.
Hawaz formation is a paleohigh structure generally trending in the nesw direction. Even king tut was intrigued by the glass of the great sand sea. This means that the sandstone reservoir for hawaz formation in the studied wells. Full length article comparative study between well logging and core analysis of hawaz reservoir in murzuq basin, libya adel k. On its facebook page, the administration revealed that 27 wells of alhasawneh system in jaffarah area have been damaged and vandalized, incl. New geological concepts in the evaluation of the southern basins of libya 1 new geological concepts in the evaluation of the southern basins of libya, with particular reference to the al shararah trend of the murzuq basin d.
Clarklowes1 abstract the oil accumulations discovered in the ordovician mamuniyat and hawaz clastic reservoirs on the al. Geochemical evaluation of campanian sirte shale source rock. This basin is located in northwest libya and covers more than 200,000 km2, extending into southern tunisia and central algeria, with total estimated recoverable oil of 6 billion barrel of oil, proven. The current paper deals with evaluation of petrophysical parameters of hawaz formation at h oil field, concession nc186 in. The available well log data set for each well includes. In 1953, efforts to find oil in southern libya led to the discovery of large quantities of potable fossil water underground. Vandals sabotage manmade river water wells in south libya. Great sand sea glass of the libyan desert qesm al wahat ad. Libya s enormous aquatic reserves could potentially become a new weapon of choice if government forces opt to starve coastal cities that heavily rely on. Stratigraphy and sedimentology of the middle ordovician hawaz. The subsurface of the highly productive murzuq basin in southwest libya remains poorly understood. Africa middle east libya wadi al hayaa district murzuq basin nc186 concession h field hawaz reservoir 0. Shebob, a, dawood, n and xu, q 2011 analysing construction delay factors. It has a roughly triangular shape, narrowing toward the south from libya into.
Type of organic matter in sirte shale type of organic matter in sirte shale is determined by microscopic examination of. Tectonic movements occurred in northern libya were responsible for the large sedimentary sequences in libyan basins. Reservoir quality and expected fluids for the ordovician. Mamuniyat and hawaz clastic reservoirs and sourced. This trend increased after the collapse of central state security in 2014. Petrophysical characteristics and seismic interpretations of the hawaz formation in h. The main reservoir in this concession is hawaz formation middle ordovician. Comparative study between well logging and core analysis. Results of pyrolysis data of well a5, arshad area, zaltan platform, sirt basin, libya. Libyas enormous aquatic reserves could potentially become a new weapon of choice if government.
Nearly 100,000 cubic meters of water is being lost daily due to acts of looting and vandalism, the directorate in the southern region of alhasawneh system of the manmade river authority confirmed. In libya, there are actually very few truly national actors. In libya, they faced violence, illtreatment, and forced labor, while at least 3,100 died attempting to cross the mediterranean in flimsy boats provided by networks of criminal people smugglers. Comparative study between well logging and core analysis of hawaz reservoir in murzuq basin, libya article pdf available july 2016 with 726 reads how we measure reads. New geological concepts in the evaluation of the southern basins. The libyan oil boom began in 1959 with nine oil discoveries. The present work evaluates the middle ordovician hawaz sandstone reservoir in four wells a25nc186, a30nc186, h2nc186 and h4nc186 distributed in the nc186 concession of murzuq basin, libya. Petrophysical characteristics and seismic interpretations of the hawaz formation. Number and sizes of discovered fields for the tanezzuftillizi structuralstratigraphic assessment unit through 1995 4. Palynology of the middle ordovician hawaz formation in the murzuq basin, southwest libya. New geological concepts in the evaluation of the southern. A case study of well a1nc151 in the atshan field, murzuq basin, sw libya. Finding a supply of fresh, clean water became a government priority. Africa middle east libya wadi al hayaa murzuq basin nc186 concession h field hawaz reservoir 0.
Reservoir properties of accumulations for the tanezzuftillizi structuralstratigraphic assessment unit through 1995 3. Less than 5 percent of libyas territory is economically useful. Total petroleum systems of the illizi province, algeria and. In these areas the hawaz or mamuniyat reservoirs may be capped by. Comparative study between well logging and core analysis of hawaz reservoir in murzuq basin, libya.
By tom westcott ubari, 27 august 2015 irin civilians in the oasis town of ubari in southern libya are trapped in a conflict that has cut them off from the outside world. Governance in libya has long been influenced by tribal leaders alongside central authority. Hawaz formation middle ordovician the hawaz formation consists of very. A case study of building construction project in libya in. Reservoir description and dynamics unconventional and complex reservoirs carbonate reservoirs 1. The great manmade river project gmrp was conceived in the late 1960s and work on the project began in 1984. Contrary to common belief, the most important riches of libya are not the oil wells, but water.
Since the 2011 uprising that ousted muammar gaddafi, a mosaic of tribal and ethnic forces is fighting for control of illicit trade and oil fields in the region. In 1957 noncommercial oil was discovered in the atshan saddle, the southern extension of the ghadamis basin. As a result of changes in sedimentary environments and structural activities, a number of irregularities in reservoir continuity have developed, which negatively affected the. An arcgisbased study of the sirt rift province, libya. Mohamed a, adel kashlaf b a department of geology, faculty of science, mansoura university, egypt b engineering geology department, faculty of natural resources, zawia university, libya article info. The upper units h3 to h1 present poor reservoir characteristics. These wells were drilled in hawaz reservoir of middle ordovician. In libyas desert south, a town fends for itself libya. Geochemical evaluation of campanian sirte shale source.
Discover great sand sea glass of the libyan desert in qesm al wahat ad dakhlah, egypt. Sep 15, 2019 the subsurface of the highly productive murzuq basin in southwest libya remains poorly understood. Depositional architecture and petroleum potential of. Hydrological network, sinkholes, folds and fractures. Libya started exporting oil in 1961 and by 1966 it was the 7th largest oilproducing nation in the world. In the mid1950s, oil exploration in the nations vast southern desert revealed a precious resource and a potential solution fossil water. Procs 27th annual arcom conference, 57 september 2011, bristol, uk, association of researchers in construction.
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