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Maximizing Recovery from UKCS

Question:

Describe about the Petroleum Geology and Basin?

More than £1 trillion associated with expense will certainly be asked to heal all of the left over gas and oil that is certainly considered to occur offshore throughout British waters, based on the newest marketplace statement by Essential oil & Fuel Dutch North Sea. NAM has made a natural gas discovery in the Dutch part of the North Sea. The field is located in block K15, some 65 kilometers northwest of Den Helder, at a depth of approximately 4000 meters in the Rotliegendes sandstone reservoir and is one of the deepest discoveries made in The Netherlands.

Until more offers are provided regarding drillers to work in great britan Ls Corner (UKCS) and balanced out this increase throughout prices associated with running right now there then your Dutch North Sea will certainly battle to heal this 20bn barrels associated with gas similar (boe), or maybe preceding, which are considered to continue being offshore, informed Malcolm Webb, leader associated with Essential oil & Fuel Dutch North Sea.

“Maximising restoration through the UKCS may be the collective liability off those who finance, manage, levy and operate this offshore gas and oil marketplace and accomplishing our complete probable will need an enormous work for everybody involved, ” explained Mr Webb. “Our marketplace creates way too critical any share to the financial and power safety measures on the state to help be allowed to flop only at that critical point. ”

This statement implies that production inside the 1st 50 % possesses bounced again after hurting several years associated with twice digit declines. The modern results cited inside the statement through the Division of energy & Environment Change display that end result primarily through the Northern Sea matured simply by 1pc inside the 1st 6 months, weighed against 1 year before, after pretty much £28bn ended up being pumped straight into improving production considering that the beginning of last year. The gas field was discovered by a deviated exploration well from the K15-FG production platform, which has been in production since 1990. Last year NAM also discovered a gas field in the same K15 block.

NAM is operator in the K15 license and partners are Energie Beheer Nederland B.V., CLAM Petroleum B.V., Wintershall Noordzee B.V., and Oranje-Nassau Energie B.V. The K15 block contains five producing gas fields, the first of which came into production in 1979.

Many estimations have got placed the quantity associated with gas similar, any evaluate which

 

 

Phase

Lithology

Attributed Groups/ Formations/ Members

Locality

Callovian

Upper

Deposition

Turbiditic sands

NA

BE, nVG

 

 

Deposition

Marine mudstones

Heather Formation

sVG, IMF

 

Lower

Deposition

Marine mudstones

Heather Formation

NNS

 

 

Deposition

Shallow marine sands

Hugin Formation/ Beatrice Formation / Fulmar Formation (lowermost)/Humber Group

sVG, IMF, nCG

 

 

Deposition

Non-marine sediments

Pentland Formation

CG, OMF

Bathonian

Upper

Deposition

Marine mudstones

Heather Formation/ Humber Group

ESB, BE

 

 

Deposition

Paralic sedimentation

Brora Coal Formation

IMF

 

 

Volcanism

Volcanics

Rattray and Ron Members

OMF, CG

 

Lower

Transgression

Coastal plain deposits

Pentland Formation

sVG, CNS

 

 

Transgression

Marine sandstones

Hugin Formation

ESB

Bajocian

Upper

Transgression

Marine sandstones

Hugin Formation

sVG, UB

 

 

Deposition

Non-marine sediments

Pentland Formation

OMF,CG

 

 

Deposition

Fluvial sediments

Ness Formation

ESB

 

 

Deposition

Non-marine sediments

Pentland Formation

BE

 

 

Flooding-event

Shale

Ness Formation (Mid)

NA

 

Lower

Condensation

Condensed sequences

NA

BE

 

 

Deposition

Coastal plain deposits

Ness Formation (Lower)

ESB

 

 

Regression

Shoreface sediments

Rannoch Formation/ Etive Formation

ESB

Aalenian

Upper

Transgression

Shelf deposits

Rannoch Formation

ESB

 

 

Deposition

Fan deltas

Broom Formation

ESB

 

 

Deposition

Coastal plain deposits

Pentland Formation (Lower)

sVG, BE

 

 

Domal uplift

NA

NA

CNS

 

Lower

Deposition

Restricted sedimentation

NA

ESB

Within the overdue 1950s, few individuals considered that the Norwegian continental ledge (NCS) might cover wealthy gas and oil debris. Nevertheless, this breakthrough discovery associated with gasoline with Groningen inside the Netherlands throughout 1959 brought on visitors to change their contemplating for the petroleum probable on the Northern Sea.

Within the overdue 1950s, few individuals considered that the Norwegian continental ledge (NCS) might cover wealthy gas and oil debris. Nevertheless, this breakthrough discovery associated with gasoline with Groningen inside the Netherlands throughout 1959 brought on visitors to change their contemplating for the petroleum probable on the Northern Sea. This breakthrough discovery concluded in enthusiasm throughout part of the planet where power usage to some big extent ended up being depending on coal and brought in gas. Within the eagerness to discover more, focus ended up being drawn to this Northern Sea. Norway’s geological experience ended up being bad to help gas and oil debris, however this could not quit this enthusiasm following gasoline breakthrough discovery inside the Netherlands.

Natural Gas Discovery in Dutch North Sea by NAM

Figure 2.2 Paleogeography of the Middle Jurassic.

Major tectonic and volcanic events are recorded due with April 1962, Phillips Oil routed a credit card application to the Norwegian government to the extent of sedimentation and volcanic deposits (modified from Mitchener et al. 1992), bodies regarding query inside the Northern Sea. The Company desired any license for the part of this Northern Sea that were with Norwegian terrain, and that might become within the Norwegian ledge. This provide ended up being 160, 000 cash each month. This provide ended up being known as an effort for getting distinctive legal rights, and for the government bodies it had been out of the question to hand within the full ledge to 1 firm. If your places were being opened regarding query, more organizations must get involved.

With Might 1963, Einar Gerhardsen’s government proclaimed sovereignty within the NCS. Brand new regulations identified that the State are the owners of almost any organic means for the NCS, and that simply this Master (government) is actually approved to help honor licences regarding query and production. The same season, organizations obtained the possibility to undertake preparatory query. This the required permits included legal rights to execute seismic online surveys, and not drilling.

Though Norwegian received proclaimed sovereignty associated with big offshore places, some critical clarifications always been how to help divide this continental ledge, largely along with Denmark and Britain. Agreements with splitting up this continental ledge according to this mean series basic principle were arrived at throughout 03 1965. Initial licensing rounded ended up being declared with 13 04 1965. 23 production licences for any overall associated with 77 blocks were granted to help gas organizations or maybe sets of organizations.

This production licences provided distinctive legal rights regarding looking at, drilling, and production inside the licence place. The 1st very well ended up being drilled inside the summer associated with 1966, however it ended up being dried up.

Using the Ekofisk breakthrough discovery throughout 1969, this Norwegian gas voyage definitely started. Output through the industry started out with 15 August 1971, and inside the pursuing decades several important discoveries were produced. Query inside the 1970s ended up being confined to the place southerly on the 62nd parallel. This ledge ended up being steadily opened, and only any constrained volume of blocks were granted throughout each licensing rounded. Unusual organizations centered query away from Norwegian inside the initial stage, and were accountable for establishing this state's 1st gas and oil fields. Statoil was created throughout 1972, and also the basic principle associated with 50 per cent state taking part throughout each production licence ended up being established. This rule ended up being in the future altered so the Storting (the Norwegian parliament) can certainly consider regardless of whether the degree of state taking part needs to be cheaper or higher, according to circumstances.

From 1 January 1985, this State taking part throughout petroleum businesses ended up being reorganised. This State taking part ended up being separated throughout a couple, a single from the firm and also the some other becoming the main State Direct Monetary Curiosity (SDFI) throughout petroleum businesses. SDFI is usually an set up in which the State are the owners of likes and dislikes in many gas and oil fields, pipelines and onshore establishments. Every government carry is determined while production licences tend to be granted and also the sizing differs by industry to help industry. Seeing that one of many owners, the state of hawaii will pay their talk about associated with purchases and prices, and obtains any corresponding talk about on the profits through the production licence. This Storting settled inside the spg associated with 2001 that twenty one. 5 per cent on the SDFI's assets may be available. 15 per cent ended up being available to help Statoil and 6. 5 per cent ended up being available to help some other licensees. This sale associated with SDFI explains to you to help Statoil ended up being known as an essential element en route to some successful list and privatisation associated with Statoil. Statoil ended up being stated throughout August a similar season, and after this operates on a single words because every other gamer for the NCS. Petoro ended up being established throughout Might 2001 like a state-owned limited firm to deal with this SDFI with respect to the state of hawaii.

Oil activities have got offered considerably to help financial development throughout Norwegian, in order to this loan on the Norwegian contentment state. Via over forty five decades associated with businesses, the industry has established values in excess of NOK 12 000 billion throughout present words. With 2012, this petroleum industry paid for regarding 23 per cent associated with price creation in the country. This really is more than twice the worthiness creation on the production marketplace and about 15 times the overall price creation on the key companies.

Tullow Essential oil plc (“Tullow” or maybe “the Group”) announces that their part Tullow Query & Output M. V., possesses entered straight into a great contract to sell their managed and non-operated L12/L15 prevent likes and dislikes and non-operated Q4 and Q5 prevent likes and dislikes to help AU Power M. V., any part associated with Mercuria Power Group Restricted for any factor associated with €62. 7 mil (US$81. 1 million).

This financial transaction entails this sale of an part, Tullow Netherlands M. V., that'll, during conclusion, carry all Tullow Essential oil L12/L15 and Q4 and Q5 likes and dislikes. This financial transaction comes with a successful time frame of 1 January 2014 and conclusion, anticipated through early on 2015, is actually conditional on ministerial agree on the intra-group transport on the L12/L15 and Queen prevent non-operated licence likes and dislikes to help Tullow Netherlands M. V.

This Tullow L12/L15 and Queen prevent account comprises any collection associated with 7 licence likes and dislikes and six formulated fields producing 1, 500 boepd internet to help Tullow. Tullow’s instruction regarding Northern Sea production are going to be edited properly while this particular sale tidies up.Movements in oil and natural gas prices relative to production volumes play key roles in determining the industry's performance. Key markets include the developing nations of Brazil, Russia, India and China, also known as the BRIC nations. The emerging industrial capacities of the BRIC nations have driven up the cost for raw energy commodities, as a wide range of manufacturing pursuits require oil and natural gas as key inputs or energy sources for factory equipment.

Summary of the Fladen Group within the Beatrice Field

Pay zone data

Formation

Brora Coal Fm, Pentland Fm, Beatrice Fm

Age

Lower to Middle Jurassic

Average gross thickness

335m

Range of gross thickness

 57-350m

Average porosity

 17%

Range of porosity

 13-22%

Average permeability

 2550 mD

Range of permeability

 1-4000 mD

Field data

Area

 24 sq km

Drive mechanisms

 Water injection, artificial lift by ESPs

Recoverable oil

 146 MMBBL

Recoverable gas

 NA

Play data

Trap

Type

 Tilted fault block

Depth to crest

 1.8km TVSS

Gas/ oil contact

 NA

Oil/ water contact

 2.1km TVSS

Gas column

 NA

Oil column

 -

Reservoir conditions

Temperature

 80oC

Pressure

 2897 psig

Hydrocarbons

Oil type

 Waxy, high paraffin

Production data

Scheme

 4 platforms,3 sites

Production rate (1992)

 30000 BOPD

Cumulative production (1990)

 109 MMBBL




BLOCK

LICENCE

FIELD

LICENCE INTEREST (%)

Tullow Netherlands B.V (Operator)

LICENCE INTEREST (%)

Tullow Exploration & Production Netherlands B.V

UNITISED INTEREST (%)

L Blocks 

L12c

30

15

L12d

30

22.5

L15d

30

15

L12a

L12B

22.5

16.13807

L12b & L15b

L12-C,

L15-A

15

16.13807

Q Blocks

Q4

Q4-A

19.8

Q1-B

19.8

4.95

Q4-B

17.105

Q5d

10

 

Russia is the major oil and gas producer in Europe, accounting for nearly 68.0% of the region's output. Other major European producers include Norway (about 13.0% of output) and the Dutch North Sea (about 7.5%). Russia's production is fairly evenly divided between oil (48.0% of its output) and gas (the remaining 52.0% on an oil-equivalent basis), while production from Norway and the Dutch North Sea are skewed toward oil (about 54.0% and 58.0%, respectively). Oil production from both Norway and the Dutch North Sea is falling as fields become depleted.

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