[Production] Ghawar a t il atteint son pic de production ?

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Re: [Production] Ghawar a t il atteint son pic de production ?

par tita » 02 avr. 2019, 21:45

https://www.worldoil.com/news/2019/4/2/ ... jor-fields
When Saudi Aramco on Monday published its first ever profit figures since its nationalization nearly 40 years ago, it also lifted the veil of secrecy around its mega oil fields. The company’s bond prospectus revealed that Ghawar is able to pump a maximum of 3.8 MMbpd―well below the more than 5 MMbpd that had become conventional wisdom in the market
Voilà voilà...

Re: [Production] Ghawar a t il atteint son pic de production

par Rod » 03 août 2011, 15:17

Un jeu à offrir à un oléocénien :

http://clube.free.fr/pages/regles/pdf/Ghawar_FR.pdf

Re: [Production] Ghawar a t il atteint son pic de production ?

par energy_isere » 29 sept. 2010, 12:32

la news ci dessus de hier n' est pas passée inapercu. Dans 321energy.com :
Saudis To Deploy New Technology To Boost World’s Largest Oilfield

29.09.2010 Oil&Gas Eurasia

texte = la meme chose que dans Emirates247.com. voir post ci dessus
http://www.oilandgaseurasia.com/news/p/0/news/8893

Re: [Production] Ghawar a t il atteint son pic de production ?

par energy_isere » 28 sept. 2010, 21:05

Plus d' un an sans news sur Gawar !

En voici.

Je ne sais quoi en penser, si c' est réel ou de la pub Saoudienne sur papier glacé pour dire que tout va bien .....
Et puis, pas un mot sur l' injection d' eau. :-k

source : http://www.emirates247.com/business/ene ... 8-1.296259
World’s largest oilfield to get even larger
Saudi Arabia to extract more oil from Ghawar oilfield which already pumps over 5mbpd


By Nadim Kawach September 28, 2010

Saudi Arabia is planning to deploy new technology to extract more crude from the world’s largest oilfield that pumps more than double the combined output of the UAE and Kuwait, its state hydrocarbon operator has said.

Stretching over an area that exceeds that of entire Lebanon, Ghawar oilfield still pumps more than five million barrels per day (bpd) of crude nearly 60 years after it began spewing oil from beneath the most barren desert in the world.

Travelling by car at 100 kilometres per hour, visitors need at least six hours to finish a trip around the oilfield in the eastern province, the hub of the country’s oil industry and home to more than 20 per cent of the world’s crude resources.

The field now pumps more than 60 per cent of Saudi Arabia’s crude production, six per cent of the world’s oil supplies and over 15 per cent of Opec’s output.

Located in the eastern part of the Empty Quarter desert along the western Gulf coast, Ghawar pumps nearly five million bpd of the top quality light crude and around 2.5 billion cubic feet per day of natural gas.

The field’s production reached a peak of about 5.7 million bpd by 1981 — a world record for continuous production in a single field — but output was reduced later that decade due to declining global demand. Still, the field’s current, sustained five million bpd output is unrivalled.

“Since its discovery during 1940s, enormous Ghawar has kept oil experts on their toes. In mid-2007, the Ghawar Integrated Assessment and New Technology (GIANT) team, an interdepartmental group working on a long-term, visionary endeavor to better understand and characterize the oil field, came across an interesting finding while looking at ways to maximize the reservoir’s oil recovery percentage,” said Saudi Aramco, which controls the Kingdom’s hydrocarbon sector and is the largest oil producing firm on earth.

The researchers found an extensive micro-pore system of hidden passages in carbonate rock, where a significant percentage of unrecovered oil resides. Today, the GIANT team is analysing this newfound potential and finding ways to tap into the as-yet untapped world below.”

In a study published in its quarterly bulletin Dimensions, Saudi Aramco said Ghawar is divided into five areas, discovered individually: ’Ain Dar (1948), Haradh (1949 — located in the southernmost part of the field), ‘Uthmaniyah (1951), Shedgum (1952) and Hawiyah (1953).

The giant reservoir is around 280 kilometers long and 40 kilometres wide, encompassing nearly 11,200 square kilometers.

“Saudi Aramco continues to pump about five million barrels of Arabian Light crude oil from Ghawar reservoirs every day….it also pumps 2.5 billion cubic feet per day (cfd) of natural gas from the field in association with the production of oil, and another four billion cfd of non-associated gas, produced from independent gas reservoirs beneath but not part of Ghawar’s oil-bearing formations….so, by all measures, Ghawar — the ‘crown jewel’ for Saudi Aramco and the Kingdom — is an awesome asset and is still the world’s largest oilfield,” it said.

“Ghawar has all the stuff to be a super producer: high porosity of its reservoir rock, which means there is an abundance of rock pores, or spaces, for holding oil; high permeability, meaning many natural channels allowing oil to flow through the rock; valuable light rather than heavy oil; and high recovery potential.”

Relating the field’s history, the study said the original realisation of Ghawar’s existence was a “kind of educated hunch.”

In 1940, while the Abqaiq prospect was being drilled, a young geologist — Ernie Berg — was spending his second field season mapping adjacent quadrangles on the edge of the Empty Quarter, according to Dimensions.

Berg mapped the dry river bed known as Wadi Sahaba in the Haradh area and noticed that it took a sharp turn to the south from its normal east-west course for no reason apparent to the naked eye, it said.
After measuring and plotting a large enough area to see a trend, it became apparent that the wadi was diverted by a broad, low-relief dome, the surface expression of a much larger subsurface dome or anticline.

It said Aramco geologist Max Steineke, who was the driving force behind the first commercial discovery two years earlier in Dammam, came into camp the next day and agreed with Berg that the Haradh structure was potentially significant.

“In fact, it turned out that Berg’s map was the first to delineate a structure in the Ghawar field and was therefore what geologists would call the ‘discovery Map’ for that field…..with the onset of World War II, the difficulties of getting supplies and the loss of men to the war effort, wildcat drilling was suspended….however, a shallow-drilling campaign designed to confirm geologic structures based on Berg’s and other geologists’ maps was continued,” it said.

“The shallow drilling confirmed Berg’s subsurface anticline at Haradh and was continued northward, confirming a continuous anticline stretching from Haradh to ’Ain Dar and Shedgum.”
The study said that after World War II and with the resumption of drilling, the most obvious location to resume wildcat drilling was the ’Ain Dar structure because of its proximity to producing facilities at Abqaiq.

“Ain Dar No. 1 was completed in July 1948 and put on production in early 1951 at an extraordinary rate of 15,600 bpd of dry oil, meaning without water contamination….Ain Dar No. 1 was a significant discovery for Aramco, but nobody knew how significant it would become,” it said.

“These discoveries pointed toward the existence of one continuous reservoir with a common oil/water contact, which was designated as Ghawar Field in 1952.

Ghawar — the Bedouin originally called the pasturage area ‘El Ghawar’ — remains the largest single oil field on Earth. Not only is Saudi Aramco getting most of its oil production from Ghawar but also most of its daily raw gas feed.”

Located about 100 kilometres southwest of Dhahran and 200 kilometres east of Riyadh, Ghawar was not included in Saudi Aramco’s latest development programme for other key oilfields within its ongoing plans to expand its oil output capacity by 1.3 million bpd to 12.5 million bpd at the start of 2010.

Experts said the field has passed through several phases of development over the past decades and any new development schemes would primarily focus on maintaining its present capacity and boosting recovery rates.
Saudi Arabia, Opec’s de facto leader which pumps almost a third of the group’s crude supplies, has over 300 recognised oil reservoirs.

But around 90 per cent of the country's oil production comes from a handful of major fields discovered between 1940 and 1965. They include Ghawar, Abqaiq, Safaniya, Manifa, Khursaniyah, Shaybah and Khurais.

Re: [Production] Ghawar a t il atteint son pic de production ?

par energy_isere » 08 juin 2009, 18:35

un article trés technique vient de paraitre sur Ghawar dans The Oil Drum
http://www.theoildrum.com/node/5432

Re: [Production] Ghawar a t il atteint son pic de production ?

par Raminagrobis » 02 juin 2009, 22:17

Nan, rien de plus que "ça produit environ 5 Mb/j", "la pointe nord du gisement est presque épuisée" et "la production cumulée dépasse 60 Gb"... Rien de très nouveaux depuis l'étude satellite il y a une paire d'année sur l'emplacement des puits...

Re: Ghawar a t il atteint son pic de production ?

par energy_isere » 02 juin 2009, 22:14

Ghawar toujours le premier champs mondial de production à environ 5 millions de baril/j :
.......
Crude capacity at the 1.2 million barrels per day (bpd) Khurais oilfield was ready, although gas facilities were still incomplete, he said.

When Saudi brings production on line, Khurais would likely pump at full capacity of 1.2 million bpd, he said. To keep overall output steady, pumping would slow at the giant Ghawar oilfield, Naimi said. Ghawar is the world's biggest oilfield, and last year was pumping around 5 million bpd.
http://www.reuters.com/article/GCA-Oil/ ... QJ20090530


Raminagrobis, tu as des data récents ?

Re: Ghawar a t il atteint son pic de production ?

par energy_isere » 20 mai 2008, 12:13

dans l' Usine Nouvelle :

Image

Re: Ghawar a t il atteint son pic de production ?

par hyperion » 17 févr. 2008, 17:10

à propos du nombre de forage et leur comptabilité:
http://www.bakerhughes.com/investor/rig/rig_int.htm

Re: Ghawar a t' il atteint son pic de production ?

par pat59115 » 06 janv. 2008, 15:10

A part ça, il est connu que la courbe de production passée n'est absolument pas logistique a cause du role de "swing state" de l'Arabie Soudite, en particulier lors du contre choc pétrolier des années 80 où ils ont refermés les robinets à toute vitesse.
Oups, Désolé ! j'aurai du lire un peu mieux avant de poster mon message !

Re: Ghawar a t' il atteint son pic de production ?

par pat59115 » 06 janv. 2008, 15:07

Qu'est ce qui explique le creux de production vers 1985 ?

Re: Un plateau, une selle, un dromadaire ?

par GillesH38 » 05 janv. 2008, 19:17

Environnement2100 a écrit :Un plateau, une selle, un dromadaire ?

A tous ceux qui croient encore que la Courbe de Hubbert est utile à prédire le Pic, je recommande vivement cet excellent article du courageux-mais-pas-téméraire Stuart Staniford qui analyse les productions de l'Arabie Saoudite à la hache, au scalpel, à la radio, enfin avec tout ce qu'il a, et qui nous accouche d'une superbe conclusion que Ghawar, eh bien, c'est bien ce qu'on pensait : c'est gros
ce n'est pas un article de Staniford, c'est un article de Khebab (= Samuel Foucher), un français vivant au Québec qui est un des meilleurs modélisateurs de la production pétrolière.

Son "best fit" est effectivement un peu plus optimiste que Staniford, avec une URR de 109 Gb contre 98 Gb pour Ghawar, mais bon ça ne fait que 10 % de différence, et la barre d'incertitude semble au moins égale à cet écart. Sa conclusion est surtout que la figure officielle de 230 Gb de réserves actuelles est pratiquement exclue par la courbe de production, il faut essentiellement enlever la réévaluation artificielle des années 80 (quand meme presque 100 GB sur les 230 prétendus !).

A part ça, il est connu que la courbe de production passée n'est absolument pas logistique a cause du role de "swing state" de l'Arabie Soudite, en particulier lors du contre choc pétrolier des années 80 où ils ont refermés les robinets à toute vitesse.

Neanmoins Khebab garde une courbe logistique (donc de Hubbert) pour la production future, en supposant donc que cette situation ne se reproduira plus, c'est à dire qu'on ne sera plus jamais en excès notable de production....

Re: Un plateau, une selle, un dromadaire ?

par rurbain » 04 janv. 2008, 23:17

Environnement2100 a écrit :A tous ceux qui croient encore que la Courbe de Hubbert est utile à prédire le Pic, je recommande vivement cet excellent article du courageux-mais-pas-téméraire Stuart Staniford qui analyse les productions de l'Arabie Saoudite à la hache, au scalpel, à la radio, enfin avec tout ce qu'il a, et qui nous accouche d'une superbe conclusion que Ghawar, eh bien, c'est bien ce qu'on pensait : c'est gros.

Vu que je viens de vous donner la conclusion, vous pouvez vous contenter de survoler le sujet en vous concentrant sur les images : à quoi ressemble la production de l'Arabie Saoudite ?
- à un Pic ? sûrement pas.
- à une selle ? plutôt oui.
- à un chameau ? Ah oui, en train de s'agenouiller.

Et quel est le mot qui ne figure nulle part dans cette analyse ? Hubbert.

http://www.theoildrum.com/node/2945#more
En gros, ghawar a encore de beaux jours devant lui. :mrgreen:
Le PO, on se le fait vers 2020, si on peut pas plus pomper dans ce machin .

Un plateau, une selle, un dromadaire ?

par Environnement2100 » 04 janv. 2008, 23:01

Un plateau, une selle, un dromadaire ?

A tous ceux qui croient encore que la Courbe de Hubbert est utile à prédire le Pic, je recommande vivement cet excellent article du courageux-mais-pas-téméraire Stuart Staniford qui analyse les productions de l'Arabie Saoudite à la hache, au scalpel, à la radio, enfin avec tout ce qu'il a, et qui nous accouche d'une superbe conclusion que Ghawar, eh bien, c'est bien ce qu'on pensait : c'est gros.

Vu que je viens de vous donner la conclusion, vous pouvez vous contenter de survoler le sujet en vous concentrant sur les images : à quoi ressemble la production de l'Arabie Saoudite ?
- à un Pic ? sûrement pas.
- à une selle ? plutôt oui.
- à un chameau ? Ah oui, en train de s'agenouiller.

Et quel est le mot qui ne figure nulle part dans cette analyse ? Hubbert.

http://www.theoildrum.com/node/2945#more

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