Features graphics and simple fieldguide procedures to gu. The extent of the north sea and the level of its water surface have varied considerably over geologic time. The field was discovered in march 1974 with the drilling of well 33121 and was delineated with drilling of 11 additional wells. The statfjord field, the largest producing oil field in europe, is located in the prolific northern part of the viking graben, 125 miles 200 km northwest of bergen, norway, on the u. The reservoir units are sandstones of early and middle jurassic age. It usually also records the location of any samples collected, the position and orientation of any photographs taken. Statfjord field a timeline offshore technology oil and. Statfjord was discovered in 1974, and the plan for development and operation pdo was approved in 1976. The drainage strategy has been to develop the brent and dunlin group reservoir with pressure maintenance using water injection and the statfjord formation reservoir by miscible gas flood.
The publications of the bureau of mines, which was created in 1910 to carry on investigations in connection with the waste, recovery. A fouryear university degree is often the minimum for any job in geology, but many may also hold additional scientific degrees as well. The johan sverdrup oil field was discovered on the eastern flank of the utsira high first by well 1626 in 2010, and secondly by the 1628 well in 2011 confir. The statfjord field, blocks 339, 3312 norwegian sector. The geology is complex and has required extensive mapping. The statfjord field is the largest oil field discovered in europe, with initial recoverable reserves of more than 3 billion bbl of oil and 3 tcf of gas. Sadly, his book has been out of print for several years, making it difficult to get hold of a copy. This oil field lies in 220 metres of water in the northern north sea. Statfjord, oil and gas field in the north sea, shared by norway and the united kingdom. It explains the background to production geology in the context of oil field subsurface operations. Field geology books waterproof pens field book covers. It represents the shallowest structural element of the tampen spur, and was formed during the upper jurassic to lower cretaceous as a sloping high, with a westerly structural dip gradually decreasing towards the east. Field geology illustrated is a reliable, in depth field reference for professional geologists, serious amateur geologists, and other environmental scientists.
This was the first discovery of oil after the drilling of over 200 exploration wells in the north sea triggered by the groningen gas field discovery. Situated in the southeastern part of the east shetland basin, the alwyn north field produces oil and gas from brent group reservoirs and gas and condensate from the statfjord formation. These include the preparation of geologic maps that show the areal distribution of geologic units selected for representation on the map. Geological surveys 1987 assessment of undiscovered oil and gas resources in the santa maria basin assessment province. Equinor targets 20year life extension for north sea statfjord oil and. Tectonostratigraphic development of the upper jurassic in. No oil was spilled into the sea, thanks to the drain system. The accumulation is trapped in a 68 wnw dipping rotated fault block comprised of jurassictriassic strata sealed by middle to upper jurassic and cretaceous shales reserves are located in three.
The statfjord formation oil in the statfjord field has a unique. Mar 21, 2020 a field geologist will typically possess at least one degree in science. Samariumneodymium isotope stratigraphy of the lunde and statfjord formations of snorre oil field, northern north sea mearns, e. Making rock candy rock candy is actually sugar crystals, so you can eat your experiment when youre done. This book was written for students, new professionals in oil companies, and for anyone with an interest in reservoir geology. Oct 24, 2012 detailed sedimentological logging of core, and interpretation of wireline logs from the brent oil field, northern north sea, have allowed for the identification of sedimentary facies and environments of the upper triassiclower jurassic statfjord formation. Since startup in 1979, statfjord field has generated nok1,600 billion. It was formed during the upper jurassic to lower cretaceous as a sloping high, with a westward structural dip gradually decreasing toward the east. We are not what you know and not what you might expect. The statfjord oil field is an enormous oil and gas field covering 580 km 2 in the u. Ekofisk is an oil field in block 24 of the norwegian sector of the north sea about 320 km 200 mi southwest of stavanger.
Sedimentology and palaeogeography of the statfjord formation. Saga sands sandstones sediments seismic data sequence shales sleipner smday. The statfjord formation is divided in the type well area statfjord field into three members, the raude member base the eiriksson member and the nansen member top. A plastic clip keeps the durable cordura cover closed and the book firmly secured. Application of magnetostratigraphy to brent group reservoir zonation in the visund field. This entirely new second edition represents the first detailed, comprehensive book on field geology in 20 years.
The statfjord oil field is a large oil and gas field covering 580 km2 in the u. Development strategy at statfjord field conference osti. The statfjord oil field is an enormous oil and gas field in the norwegian sector of the north sea operated by statoil it is a transmedian field crossing the norwegian and uk north sea boundary with approximately 15% being in the uk continental shelf waters. Ranked as a giant by world standards, gullfaks is one of the largest discoveries on the northwest european continental shelf. Oilsource rock correlation in the north viking graben sciencedirect.
Theaustralasianinstituteofminingandmetallurgy groundfloor. The field is being developed with three fully integrated, concrete gravitybased condeep platforms. Field geologists thus attempt to describe and explain surface features, underground structures, and their interrelationships. It represents the shallowest structural element of. Karlssonthe snorre, statfjord and gullfaks oil fields and the habitat of. Students studying geology often have opportunities to. Containing numerous endofchapter problems, elearning modules, and with stunning field photos and illustrations, this book provides the ultimate learning experience for all students of structural geology. Those engaged in field geology investigate rocks and rock materials in their natural environment. Make sure you have an adult helping you since youll be using the stove. Samariumneodymium isotope stratigraphy of the lunde and statfjord formations of snorre oil field, northern north sea. Those who have the book often insist that their younger v. Norwegian boundary of the north sea at a water depth of 145 m, discovered in 1974 by mobil and since 1987 operated by statoil. It also gives practical guidelines as to how a production geologist can. The beryl field and associated infrastructure alpha and bravo platforms and facilities, and the nearby associated ness, nevis, buckland and skene fields, are located 335 kilometers northeast of aberdeen.
Geology of the norwegian oil and gas fields edited by spencer a. The gullfaks field contains oil reserves on the order of 230 million standard m 3. It has two main reservoirsthe triassic lunde formation and the triassicjurassic statfjord formation. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Features graphics and simple field guide procedures to gu. Facies and sequence stratigraphic implications of the. As the term implies, field geology means field work, geology as practiced by direct observation of outcrops, exposures, landscapes, and drill cores.
Suttner, department of geological sciences, indiana university independent problemsolving is the foundation of the selfconfidence one derives from studying geology in the field. Introduction to the petroleum geology of the north sea. Introduction to the petroleum geology of the north sea k. Statfjord field a timeline offshore technology oil. Students studying geology often have opportunities to work as field interns with geologists. Diagenesis of the brent sandstone in the statfjord field. Students are engaged through examples and parallels drawn from practical everyday situations, enabling them to connect theory with practice. The gullfaks oil field is located in the norwegian sector of the north sea, in block 3410, approximately 175 km northwest of bergen, see figure 1. Statfjord is a field in the tampen area in the northern part of the north sea, on the border between the norwegian and uk sectors.
The field lies 120 mi offshore from bergen, norway, in 475 ft of water, and is being developed using three condeep platforms with a combined production capacity of more than 800,000 bblday. Page 331 the areas of removal are in time dissected by valleys of normal origin. The gullfaks oilfield is located in the northeastern part of block 3410 in the norwegian sector of the north sea. Spirit energy and its partners in the statfjord area plan to drill up to 100 new wells and extend production by more than 10 years. The petroleum geology was taken for the most part from published sources, principally crawford 1971 and california division of oil and gas 1974.
Detailed sedimentological logging of core, and interpretation of wireline logs from the brent oil field, northern north sea, have allowed for the identification of sedimentary facies and environments of the upper triassiclower jurassic statfjord formation. An oil and gas leak of approximately one cubic metre was detected from statfjord a in december 20. For purposes of this book, a giant field is defined by an ultimate recovery of 500 million barrels of oil or 3 tcf of. The chang7 and chang6 sandstones in the southwestern ordos basin are the typical tight oil sandstones in china. Oil spillage of approximately 32 cubic metres was further reported in january 2014. Statfjord field is a structuralstratigraphic trap formed by westward tilting and erosion of a major fault block. Geologic significance of landsat data for 15 giant oil and gas fields1. Petroleum migration, filling and biological degradation. Norwegian boundary of the north sea at a water depth of 145 m, discovered in 1974 by mobil and since 1987 operated by statoil it is a transmedian field crossing the norwegian and uk north sea boundary with approximately 15% being in the uk continental shelf waters. Richly illustrated with 688 highquality photographs and 300. Pdf diagenesis of the brent sandstone in the statfjord field.
Numerous and frequentlyupdated resource results are available from this search. The three platforms have a 2,500std m 3 d oil production capacity and a 193,800std m 3 d waterinjection. The alwyn north field, blocks 39a, 34a, uk north sea. Discovered in 1969 by phillips petroleum company, it remains one of the most important oil fields in the north sea.
Brent deltaic sands and underlying statfjord continental fluvial sands are truncated by middle to late kimmerian unconformities on the crest and east flank of the structure which is marked by a major fault system. The uppermost sandstones are relatively structureless but the presence of marine fossils and glauconite suggests a shallow marine environment deegan and scull, 1977. The field notebook forms the main record of the data you gather in the field. The snorre field is located in the northern north sea and belongs to the prolific hydrocarbon province on the western margin of the viking graben, which contains the brent, statfjord, and gullfaks fields. He states that the ability to infer and infer correctly is the goal of training in field geology p. Brent deltaic sands and underlying statfjord continental fluvial sands are truncated by middle to late kimmerian unconformities on the crest and east flank. Fossils gastropod gastropod ammonite echinid trilobite trilobite ammonite ammonite can you identify the fossils. The statfjord field, the largest oil field in the northern north sea, straddles the norwayuk boundary and is located on the southwestern part of the tampen spur within the east shetland basin.
This report presents a summary of the geology used as a basis for the u. Lahee 1961, however, emphasizes that although field geology is based on observation, many conclusions are predicated on inferences. May 16, 2005 field geology illustrated is a reliable, in depth field reference for professional geologists, serious amateur geologists, and other environmental scientists. Pdf 3d oil migration modelling of the jurassic petroleum. Equinor is an international energy company present in more than 30 countries worldwide, including several of the worlds most important oil and gas provinces. The structural style is of tilted and eroded fault blocks dipping to the west and aligned northsouth conforming to the principal normal fault trend. It lies about 112 miles 180 km west of sogn fjord, on the western coast of norway, and about 118 miles 190 km northeast of the shetland islands. The statfjord oil field is a large oil and gas field covering 580 km 2 in the u. When statfjord was discovered in 1974, it was the largest oil discovery in the north sea to date. When statfjord was discovered in 1974, it was the largest oil. It is a transmedian field crossing the norwegian and uk north sea boundary with approximately 15% being in the uk continental shelf waters. 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.
Norwegian boundary is the largest oil producing field in europe. Network of offshore records of geology and stratigraphy. The oil is undersaturated and no natural gascap is present. Norwegian boundary of the north sea at a water depth of 145 m, discovered. A field geologist will typically possess at least one degree in science. The statfjord field, blocks 339, 3312 norwegian sector, blocks 211.
Oil field production geology geoscienceworld books. Development strategy at statfjord field conference. The book will help to raise awareness of the oil industry as industrial heritage. They also include the plotting of the orientation of such structural features as faults, joints. The statfjord field, the largest oil field in the northern north sea, straddles the norwayuk boundary and is located on the southwestern part of the tampen spur. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Minerals hardness 1gypsum, 2halite mineral 1 is harder or softer than a penny. Reservoir and recovery strategy several separate geological structures containing oil and gas are found in the gullfaks block, which lies. The statfjord formation is interpreted to have been deposited within a diversity of sedimentary environments. Geology field book cover this cover is made to fit all of the bound field books sold above.
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