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The Hewett Field, Blocks 48/28a, 48/29a, 48/30a, 52/4a and 52/5a, UK North Sea Hewett油田位于英国北海48/28a、48/29a、48/30a、52/4a和52/5a区块
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/M52-2019-40
J. Hook
{"title":"The Hewett Field, Blocks 48/28a, 48/29a, 48/30a, 52/4a and 52/5a, UK North Sea","authors":"J. Hook","doi":"10.1144/M52-2019-40","DOIUrl":"https://doi.org/10.1144/M52-2019-40","url":null,"abstract":"Abstract The Hewett Field has been in production for some 50 years. Unusually for a Southern North Sea field in the UK Sector, there has been production from several different reservoirs and almost entirely from intervals younger than the principal Leman Sandstone Formation (LSF) reservoir in the basin. Some of these reservoirs are particular to the Hewett area. This reflects the location of the field at the basin margin bound by the Dowsing Fault Zone, which has influenced structural evolution, deposition and the migration of hydrocarbons. The principal reservoirs are the Permo-Triassic Hewett Sandstone (Lower Bunter), Triassic Bunter Sandstone Formation (BSF) (Upper Bunter) and Permian Zechsteinkalk Formation. There has also been minor production from the Permian Plattendolomit Formation and the LSF. Sour gas is present in the BSF only. Several phases of field development are recognized, ultimately comprising three wellhead platforms with production from 35 wells. Gas is exported onshore to Bacton, where the sour gas was also processed. Peak production was in 1976 and c. 3.5 tcf of gas has been recovered. Hewett has also provided the hub for six satellite fields which have produced a further 0.9 tcf of gas. It is expected that the asset will cease production in 2020.","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"154 1","pages":"189 - 202"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76792618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Section 5 Moray Firth 第五节马里湾
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/m52.8
{"title":"Section 5 Moray Firth","authors":"","doi":"10.1144/m52.8","DOIUrl":"https://doi.org/10.1144/m52.8","url":null,"abstract":"","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"84 1","pages":"635 - 635"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76953863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Dunlin, Dunlin SW, Osprey and Merlin fields, Blocks 211/23 and 211/24, UK North Sea 英国北海211/23和211/24区块的Dunlin、Dunlin SW、Osprey和Merlin油田
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/M52-2018-30
R. Ball, J. Gluyas
{"title":"The Dunlin, Dunlin SW, Osprey and Merlin fields, Blocks 211/23 and 211/24, UK North Sea","authors":"R. Ball, J. Gluyas","doi":"10.1144/M52-2018-30","DOIUrl":"https://doi.org/10.1144/M52-2018-30","url":null,"abstract":"Abstract Located 160 km NE of the Shetland Islands in the East Shetland Basin, the Dunlin Cluster comprises four produced fields, Dunlin, Dunlin SW, Osprey and Merlin, in addition to some near-field satellite discoveries, Skye and Block 6. Dunlin was discovered in July 1973 and production began in August 1978. The field was developed using a concrete gravity-base platform, Dunlin Alpha, which also served as the production facility for the rest of the Dunlin Cluster. Osprey was discovered in 1974 but not tied-in until January 1991. Dunlin SW was discovered in 1973 but not brought onto production until 1996. Merlin was discovered in February 1997 and tied-in later that same year. Fairfield Energy acquired the Dunlin Cluster in 2008, and a programme of investment and facilities improvements, primarily in fuel gas infrastructure and power generation, sought to boost water-injection rates and bolster production, thereby extending the life of the asset. Ultimately, the Dunlin Cluster ceased production on 15 June 2015 after having maximized economic hydrocarbon recovery. The total Dunlin Cluster production exceeded 500 MMbbl of oil (Dunlin and Dunlin SW, 395 MMbbl oil; Osprey, 92 MMbbl oil; and Merlin, 27 MMbbl oil).","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"87 1","pages":"814 - 827"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76370092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The Pelican Field, Block 211/26a, UK North Sea 英国北海211/26a区块Pelican油田
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/M52-2019-46
T. Frenz, B. Besly, J. Marriott
{"title":"The Pelican Field, Block 211/26a, UK North Sea","authors":"T. Frenz, B. Besly, J. Marriott","doi":"10.1144/M52-2019-46","DOIUrl":"https://doi.org/10.1144/M52-2019-46","url":null,"abstract":"Abstract The Pelican Field lies in the East Shetland Basin, in Block 211/26, roughly 150 km NE of the Shetland Islands. It was discovered in 1975 by exploration well 211/26-4. Development was delayed until 1995 when economic development became feasible as a subsea tie back to the Cormorant Alpha Platform. The reservoir is the Middle Jurassic Brent Group, comprising sands deposited in a fluvio-deltaic, shallow-marine, wave-dominated system. The reservoir interval has an average thickness of around 300 ft, ranging from 220 ft on the crest to 400 ft in down-flank areas. The crest of the field lies at around 10 500 ft true vertical depth subsea. Current estimate of oil in place for the field is c. 500 MMbbl. The Pelican Field suffers from significant deterioration of reservoir properties with depth, leading to low recovery factors of 15–20%. To date, 21 production and injection wells have been drilled recovering a total of 76 MMbbl. Oil production started in 1996 and peak oil production was achieved at 50 000 bopd in the same year. Rates declined due to water-cut development in most of the wells and current production rates are around 2000 bopd.","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"13 1","pages":"906 - 915"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76536957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Penguins Cluster, Blocks 211/13a and 211/14, UK North Sea 企鹅群，211/13a和211/14区块，英国北海
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/M52-2018-71
D. Thorpe, M. Porter, T. Mckie, L. Ritchie
{"title":"The Penguins Cluster, Blocks 211/13a and 211/14, UK North Sea","authors":"D. Thorpe, M. Porter, T. Mckie, L. Ritchie","doi":"10.1144/M52-2018-71","DOIUrl":"https://doi.org/10.1144/M52-2018-71","url":null,"abstract":"Abstract The Penguins Cluster of fields are owned jointly (50:50) by Shell UK Ltd (Shell) and Esso Exploration and Production UK Ltd (Esso), with Shell as the operator. The cluster was discovered in 1974 and is composed of a combination of oil and gas condensate accumulations located 50–65 km north of the Brent Field, at the northern end of the North Viking Graben. Two main producing reservoirs are present: the Penguins West Field (Penguin A) consists of an Upper Jurassic Magnus Sandstone Member reservoir, while the Penguins East Field (Penguin C, D and E) consists of a Middle Jurassic Brent Group reservoir, underlain by currently undeveloped Statfjord and Triassic (Cormorant) reservoirs. The Magnus reservoir is composed of turbidite sands with an average porosity of 15% and permeabilities of 0.10–300 mD. The Brent reservoirs are composed of deltaic shoreface deposits with an average porosity of 14% and permeabilities of 0.01–1000 mD. The fields were brought on stream in 2003 as a subsea development via what at the time was the world's longest comingled tieback to the Brent Charlie facility. A total of nine producing wells have been drilled from four subsea manifolds, producing c. 78 MMboe to date through depletion drive.","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"25 1","pages":"916 - 927"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83826655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Enoch Field, Block 16/13a, UK North Sea 英国北海16/13a区块Enoch油田
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/M52-2018-14
K. Robertson, R. Heath, A. McKenzie
{"title":"The Enoch Field, Block 16/13a, UK North Sea","authors":"K. Robertson, R. Heath, A. McKenzie","doi":"10.1144/M52-2018-14","DOIUrl":"https://doi.org/10.1144/M52-2018-14","url":null,"abstract":"Abstract The Enoch Field is located in the South Viking Graben and straddles the UK/Norway median line with 80% of the field in the UK and 20% in Norway. Enoch produces undersaturated oil from the Early Eocene-age Flugga Sandstone Member of the Sele Formation. Hydrocarbons have been trapped by a combination of compaction-related dip closure and sand pinchout. The current stock tank oil initially in place estimate is c. 42 MMbbl with expected ultimate recovery of 11.5 MMbbl. The field was brought onstream in May 2007 via a single horizontal subsea gas-lifted well tied back to the Brae Alpha platform. Initial oil production rates were c. 11 800 bopd. The field is currently in decline and in December 2018 production was c. 1800 bopd with 80% water-cut. Cumulative oil production to the end of 2018 was 10.581 MMbbl.","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"1 1","pages":"828 - 836"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90164493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Sean fields, Block 49/25a, UK North Sea 英国北海49/25a区块Sean油田
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/M52-2019-11
R. Botman, J. V. van Lier
{"title":"The Sean fields, Block 49/25a, UK North Sea","authors":"R. Botman, J. V. van Lier","doi":"10.1144/M52-2019-11","DOIUrl":"https://doi.org/10.1144/M52-2019-11","url":null,"abstract":"Abstract Block 49/25a contains the Sean gas fields, Sean North, Sean South and Sean East – collectively known as the Greater Sean area and discovered in 1969. The fields are located in the Southern Gas Basin, about 15 km SE of the Indefatigable gas field. Approximately 1.1 tcf of gas is trapped in a series of fault-bounded dip closures consisting of Permian sandstones belonging to the Leman Sandstone Formation (Rotliegend Group). The reservoir is overlain by evaporites of the Late Permian Zechstein Group. The fields are characterized by excellent Leman reservoir quality, and resources have increased significantly over the years. The reservoir largely behaves as a well-connected tank, which has resulted in high recovery factors (>90%). In 2015, Oranje-Nassau Energie UK Ltd (ONE) took over operatorship of the field through purchasing the rights of both Shell and Esso, giving ONE a 50% operated interest together with SSE E&P UK Ltd (SSE). In 2017, an infill well (SSPD05) was drilled by ONE to test a pop-up structure situated between Sean North and Sean South. The well found, as expected, partially depleted reservoir but has proven to accelerate production and add incremental reserves to the field.","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"1 1","pages":"255 - 261"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83182824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Section 1 Onshore UK 第一节在岸英国
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/m52.4
{"title":"Section 1 Onshore UK","authors":"","doi":"10.1144/m52.4","DOIUrl":"https://doi.org/10.1144/m52.4","url":null,"abstract":"","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"232 1","pages":"44 - 44"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76973502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Schiehallion and Loyal fields, Blocks 204/20, 204/25a, 204/25b, 205/16 and 205/21b, UK Atlantic Margin 英国大西洋边缘204/20、204/25a、204/25b、205/16和205/21b区块的Schiehallion和Loyal油田
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/M52-2019-27
M. Ward, T. Primmer, E. Laws, K. Macgregor, T. Harpley, A. Ronald, J. Scott
{"title":"The Schiehallion and Loyal fields, Blocks 204/20, 204/25a, 204/25b, 205/16 and 205/21b, UK Atlantic Margin","authors":"M. Ward, T. Primmer, E. Laws, K. Macgregor, T. Harpley, A. Ronald, J. Scott","doi":"10.1144/M52-2019-27","DOIUrl":"https://doi.org/10.1144/M52-2019-27","url":null,"abstract":"Abstract The Schiehallion subsea development comprises two fields, Schiehallion and Loyal, which are located approximately 200 km to the west of the Shetland Islands in the UK Continental Shelf. The Schiehallion and Loyal fields were discovered in late 1993 and 1994, respectively, with a combined oil-in-place of more than 2.3 Bbbl. The fields are developed under waterflood and were on production from 1998 to 2013. After an extended shut-in, the fields were brought back on line in 2017, through new floating production facilities. Most of the production to date has been from the Paleocene Vaila Formation deep-water turbidite, in the T31 and T34 reservoir intervals. The ongoing Quad 204 redevelopment drilling programme commenced in April 2015, has drilled and completed 21 wells to date, and is expected to continue for several more years. The campaign includes new producer–injector pairs and stand-alone wells to support existing well stock, targeting stacked turbidite reservoir intervals, including the youngest T35–T34 interval, the main T31 interval and the previously under-developed T28–T25 fairway. In addition to an active drilling programme, a 4D seismic survey was acquired and processed in 2018, and its interpretation is key to unlocking further potential sources of value in this mature field.","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"29 1","pages":"990 - 1002"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75047639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Elswick Field, Bowland Basin, UK Onshore 英国Bowland盆地Elswick油田
Biological memoirs Pub Date : 2020-10-30 DOI: 10.1144/M52-2017-29
M. Hampson, H. Martin, L. Craddock, T. Wood, Ellie Rylands
{"title":"The Elswick Field, Bowland Basin, UK Onshore","authors":"M. Hampson, H. Martin, L. Craddock, T. Wood, Ellie Rylands","doi":"10.1144/M52-2017-29","DOIUrl":"https://doi.org/10.1144/M52-2017-29","url":null,"abstract":"Abstract The Elswick Field is located within Exploration Licence EXL 269a (Cuadrilla Resources Ltd is the operator) on the Fylde peninsula, West Lancashire, UK. It is the first producing onshore gas field to be developed by hydraulic fracture stimulation in the region. Production from the single well field started in 1996 and has produced over 0.5 bcf for onsite electricity generation. Geologically, the field lies within a Tertiary domal structure within the Elswick Graben, Bowland Basin. The reservoir is the Permian Collyhurst Sandstone Formation: tight, low-porosity fluvial desert sandstones, alluvial fan conglomerates and argillaceous sandstones. The reservoir quality is primarily controlled by depositional processes further reduced by diagenesis. Depth to the reservoir is 3331 ft TVDSS with the gas–water contact at 3400 ft TVDSS and with a net pay thickness of 38 ft.","PeriodicalId":84271,"journal":{"name":"Biological memoirs","volume":"121 1","pages":"62 - 73"},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78436403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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