Akpo field geology pdf

Unfortunately, this book cant be printed from the openbook. Geology is a science of such rapid growth that no apology is expected when from time to time a new textbook is added to those already in the field. Throughout the blast design process, two overriding principles must be kept in mind. Niger delta province, nigeria, cameroon, and equatorial guinea, africa by michele l. It is hoped that this will also be of value to those involved in the profession, especially at the earlier stages of their careers. View juliana adenikes profile on linkedin, the worlds largest professional community. Stochastic modeling of the geology in petroleum reservoirs has become an. Abstract since total girassol in angola, the world first deep. Pages in category natural gas fields in nigeria the following 2 pages are in this category, out of 2 total. The benue trough of nigeria formed as a result of series of. Egina is the third deep offshore development of total in nigeria. U 2 1post graduate student, department of geology, university of port harcourt, nigeria 2professor, department of geology, university of port harcourt, nigeria abstract. Globally, fields with oil and gas explorations can be classified into three categories.

They also include the plotting of the orientation of such structural features as faults, joints, cleavage, small folds. The akpo floating production storage and offloading vessel fpso was commissioned in mid2005 by total upstream nigeria following the successful development of the akpo oil and gas field, 200km south of port harcourt off the coast of nigeria in west africa. The akpo field is located on the oil mining license. The block contains the onstream akpo gascondensate field, egina, which is under development, and the undeveloped preowei field. Geotechnical site investigations for underground projects. A geologic field report on the geology of part of the oban. The field relationship of the different lithologies mapped in the study area revealed that the migmatite gneiss is the basement rock followed by bandedgneiss and the youngest outcrop is the granitegneiss fig. The fpso will be permanently moored in 1,325m of water in the akpo field situated at. The study area lies between longitudes 7o51le and 8o00le and latitudes 5o55ln and 6o00ln within the afikpo syncline of the cross river basin of the benue trough. Akpo is a condensate to very light oil field located offshore niger delta, in oml ex opl246, approximately 5km from the shore in water depth ranging from 1100m to 1700m. Located approximately 20km away from akpo field, egina field lies within the oil mining lease block oml and covers an area of around 500 square miles. This paper addresses the 4d seismic monitoring aspects of akpo, a complex. A geological model was built in order to detect possible remaining oil areas for infill drilling and, consequently, increase the recovery factor of oil reservoirs.

The genesis of the lenticular sandstone reservoirs in the candeias field a stratigraphic trapis related to syntectonic deposition of the condeias formation. Physical geology 2nd edition by steven earle is licensed under a creative commons attribution 4. Watercut rising mechanism and optimized water injection technology for deepwater turbidite sandstone oilfield. Giant discoveries of oil and gas fields in global deepwaters in the. The book is a detailed, clear introduction to methods in field geology. World equidistant cylindrical opl 215 opl 903 date. Akpo fields discovered inthe akpo field is located in ultra deepwater of nigeria. Geologic map of southern africa showing distribution of karoo rift. A case study of akpo oilfield in niger delta basin, west africa yuan zhiwang, yang baoquan, yang li, gu wenhuan, chen xiao, kang botao, li chenxi, zhang huilai cnooc research institute co. After wiley reverted the publishing rights, i decided to convert geology in the field into an ebook to make it available quickly and at a reasonable price.

A new age of deep water field development projects was inaugurated in 1997 with saipems acquisition through its saibos subsidiary of the girassol field umbilicals, risers and flowlines installation contract from elf exploration angola. See the complete profile on linkedin and discover julianas connections and jobs at similar companies. The akpo fpso hull will have a storage capacity of two million barrels of oil and a large deck space to accommodate more than 17 topsides modules. Ekofisk 24 b is a production platform for oil and gas with 24 wells. Posamentier and kolla 2003 explain how lowsinuosity distributarychannel complexes form lobate sheets up to 510 km wide and tens of kilometers long that extend to the distal edges of these systems. This potentially giant gas discovery is located some 350 km east of timor island and 350 km north of darwin. Akpo field consists of miocene turbidite channel systems and lobe deposits on a faulted anticline. Piovesanel and others published akpo condensate field case study nigeria. A 300 pages powerpoint report in pdf format illustrating the geology reservoir, trap, sr of 75 fields and discoveries of west africa. The block was awarded during the first round of deep offshore blocks allocation under the production sharing contract psc of 1993 and the study area is fully covered. This book is written for undergraduate and postgraduate students of engineering geology. Geology has evolved greatly since i wrote the manual of field geology in the 1950s. Basinward, these rocks grade into deepwater anoxic black shales and turbidites.

Predelta stratigraphic column, nigeria basin from akpo and olu, 1981. Situated on oml approximately 200 kilometres 124 mi from port harcourt, akpo s water depths range from 1,100 to 1,700 metres 3,600 to 5,600 feet a gas and condensate field, akpo is operated by total, holding a 24% interest in the project. Petroleum geology and resources of the north caspian basin. Globally, fields with oil and gas explorations can be classified into three. Minerals hardness 1gypsum, 2halite mineral 1 is harder or softer than a penny. Sheet sands including amalgamated and layered sheet sands the distal portions of deepwater turbidite fans are often the sites of the deposition of sheet sands. Geology is in many ways the most complex of sciences, as a complete understanding of the workings of the earth requires training in mathematics, chemistry, physics, biology, and astronomy. Perdido overview perdido achieved first commercial production in 2010 from a new geological frontier in the us gulf of mexico, the lower tertiarypaleogene.

The present work, however, is the outcome of the need of a textbook of very simple outline, in which causes and their consequences should be knit together as closely as possible,a need long. In accordance with the types and geologic features, these basins can be divided. If you need to print pages from this book, we recommend downloading it as a pdf. May 12, 2020 oml 58 lies in the eastern niger delta, 30 kilometres northwest of port harcourt, and is part of the nnpctotal joint venture. Location opl 251 is an upstream block situated in ultra deep water nigeria. Dec 20, 20 the company itself claimed that the field had proved and probable reserves estimated at 620 million barrels of condensate around 50 api, and more than 1 trillion cubic feet tcf of gas. Juliana adenike reservoir geologist secondement total e. The local government area covers 260 km 2 and at the 2006 census held a population of 464,789. It shares the same regional geology setting with opl 246 host to total akpo field. Rockfall overview and historical rockfalls in yosemite.

In this paper, the akpo field, in west africa oml block, is used as the study area. Introduction to field mapping of geologic structures geol 429 field geology department of earth sciences montana state university dr. Please feel free to contact us with any suggested improvements to either the application or the manual. A giant oil field contains at least 500 million barrels of recoverable oil. Examples of such traps, in which about 187 million bbl of producible oil accumulated, are the miranga and taquipe fields. Condensate production from akpo started in march 2009 with first gas sales to nigeria lng in april. It contained an initially recoverable gas volume of ca. Afikpo basn, lithostratigraphic units, geology, asu river group, turonian ezeaku formation introduction. Opl 251 was recently reawarded to dsv petroleum by the federal republic of nigeria. June 2005 oml 51 opl 325 pl 24 oil pipeline opl 338 oml 24 gas pipeline oil pipeline planned gas pipeline planned. A gas and condensate field, akpo is operated by total, holding a 24% interest in the project. The project applied innovation to tackle challenges such as extreme water depth, rugged seafloor terrain, and lowtemperature and lowpressure reservoirs. Reservoirs a and bc correspond to stacked channel systems, the a interval being up to 100m thick.

A geologic field report on the geology of afikpo basin, lower benue trough, south eastern nigeria ayodele moses oyewole1 and ukaegbu, v. In accordance with the types and geologic features, these basins can be divided into 3. Gboe have been discovered in the deep offshore of gog. At plateau production, akpo will produce and export 175,000 bblsday of condensate and will export at start up 320 mmscfd of gas to bonny nlng plant, onshore nigeria. Sheriffs encyclopedic dictionary of applied geophysics, fourth edition. You may need to install acrobat reader to obtain the pdf documents. Egina oil field third deep offshore development of total in. The engineering geology field manual, in conjunction with the engineering geology office manual, forms the basis for the mutually beneficial exchange of ideas by reclamation geologists. These two platforms have joint staffing and are connected with a gangway. It is an excellent resource for students and professionals.

This place is situated in aguata, anambra, nigeria, its geographical coordinates are 5 57 0 north, 7 6 0 east and its original name with diacritics is akpo. It contains obagi, which is the jvs oldest field and one the largest in nigeria, and the ibewa gascondensate field. A geologic field report on the geology of part of the oban massif and calabar flank, south eastern nigeria ayodele, moses oyewole1. The giant groningen field represents two thirds of the recoverable dutch gas reserves. Since 2005, major investments have been made to upgrade the blocks facilities to exploit its gas. As a student undertaking this course, you are expected to have covered some basic mineralogy and structural geology courses e. The block occupies an area of about 936sqkm in the western part of the ultra deep offshore petroleum province, with water depths ranging between 2,000 and 3,000meters see fig. Scribd is the worlds largest social reading and publishing site. From this page you can download a pdf version of the users manual. Situated on oml approximately 200 kilometres 124 mi from port harcourt, akpo s water depths range from 1,100 to 1,700 metres 3,600 to 5,600 feet. Experienced geologists will find useful reminders and new procedures and special tech niques, while less experienced engineering geologists and. Aje is primarily a gas condensate field formed in a fourway dip closure trap. Two of these fields, agbami and akpo, have been on production since 2008 and 2009, respectively, and in 2017 averaged a combined gross production rate of approximately 368,000 barrels of oil.

Lecture notes and slides introduction to geology earth. P3 1department of geology, university of port harcourt, nigeria 1centre of petroleum geosciences, uniport 2department of earth sciences, federal university of petroleum resources, effurun. The condensate field was discovered in april 2000 with the drilling of the first exploration well akpo 1 on the block. Giant discoveries in the deep offshore of the gulf of guinea. Obioakpor is a local government area in the metropolis of port harcourt, one of the major centres of economic activities in nigeria, and one of the major cities of the niger delta, located in rivers state. The geologic story of yosemite valley 50 mb pdf by us geological survey geologist n. Reservoirs are unconsolidated and highly permeable presenting a complex and heterogeneous architecture. Bell is published by elsevier publishers, great britain. The field is being developed by total upstream nigeria 24% in partnership with cnooc 45%, sapetro 15% and petrobras 16%. Fossils gastropod gastropod ammonite echinid trilobite trilobite ammonite ammonite can you identify the fossils.

This paper addresses the 4d seismic monitoring aspects of akpo, a complex deepwater field operated by total. It is one of the largest deep offshore projects ever undertaken, the company said in a release. More complex geology and importance of stratigraphic traps extending further into deeper, and deeper, water. Field testing is the best tool to refine individual blast designs. Field development beginning inthe akpo field development project includes 44 wells 22 production wells, 20 water injection wells and akkpo gas. Oml is located in the deepwater niger delta adjacent to the nigeria saotome joint development zone. Geology and stratigraphy of middle cretaceous sequences. Egina oil field third deep offshore development of total in nigeria. Located approximately 20km away from akpo field, egina field lies within the oil mining. Production data are shown for the 46 fields that have. Oct 12, 2012 the gulf of guinea is currently producing approximately 5% of worldwide production, confirming it status as a significant oil and gas basin.

Akpo field is located in oml, 200 km offshore nigeria in 1400 m water depth. Yosemite national park geologic resources inventory report 30 mb pdf contains a wealth of information about yosemite geology. Free geology books download ebooks online textbooks. After my father died in 2015 i was determined to revive his classic field manual which had gone out of print. Storage and offloading unit fpso of the akpo field development, offshore nigeria. Request pdf akpo condensate field case study, nigeria. Apr, 2020 oml is located in the deepwater niger delta adjacent to the nigeria saotome joint development zone. Aje field offshore technology oil and gas news and market.

The geologic and crosssection map of the study area 3. Intensive exploration efforts over the last 35 years in and around the niger delta in particular has led to a succession of significant discoveries, notably the bonga, agbamiekoli and akpo discoveries in. The egina oil field is located 150km off the coast of nigeria. Following an appraisal drilling programme on akpo comprising of four vertical wells, two side tracks and detailed reservoir and development studies, a field development plan fdp was submitted to the department of petroleum resources dpr for approval. Gross contingent resources of the aje field are estimated at 380 million boe. Geology 111 observing and describing rocks in the field. Gulf of guinea archives nigerian oil services nigerian oil. Akpo floating production storage and offloading fpso. We have much to seek at the outcrop, and the rising costs of field work compel us to recognize key features the first time around. This knowledge in general geology will assist you to identify common rocks, minerals and geologic structures that you will encounter in the field. Iptc 17035 akpo condensate field ce sas tudy, nigeria.

These include the preparation of geologic maps that show the areal distribution of geologic units selected for representation on the map. Field startup occurred on march 4th 2009 and 36 of 44 development wells have been drilled to date in order to attain and sustain the condensate production plateau of 175kbblsd. Geological modeling of combined incised channel system in. Akpo field is located in block offshore mining license oml,200 km offshore nigeria in 1400 m of water.

Egina oil field third deep offshore development of total. This guide to field observations is modified from chapter 3 of comptons book. Watercut rising mechanism and optimized water injection. The abadi field is indonesias first discovery in the middle jurassic plover formation. Oil, oilgas field developedundeveloped gas, gascondensate field developedundeveloped indigenous marginal field oml 89 opl z211 opl 273 oml 111 oml 127 oml 42 projection. Operations on the two platforms are controlled from the control room on ekofisk 24 k. The kungurian salt formation is strongly deformed into domes and intervening depressions.