Ladies and gentlemen, boys and girls, may I have your attention please. I am going to make an alteration to last year's totals. With a corresponding alteration to this year's as well.
I repeat: An edit is about to occur!
A couple weeks ago I read
an article which stated that drilling on the Libra prospect offshore Brazil had recently been completed, and the numbers came in at the low end of the initial (3.7-15 billion barrel) estimate. When I read
the original article in late October, it gave me the impression that enough drilling had been done to devise a resource size estimate, so I entered it into the catalog. It now appears that was merely a pre-drill estimate, and the actual, post-drill estimate - which is 4.5 - 5 billion barrels - is what was announced a couple weeks ago.
So, I am going to subtract the 3.7 - 15 billion barrels from last year's totals, and add 4.5 - 5 billion to this year's total.
Thank you, and have a nice day.

Here is the revised year-end summary for last year:
2010 Year-End Review------------------------------------
------------------------------------
Discoveries With Oil-In-Place Amounts------------------------------------
------------------------------------
Back in August I cataloged 1.5 - 3 billion bbl of OIP for this. The amount has been revised upwards with more drilling, so I'll subtract 1.5 - 3 billion barrels from the amount listed in the links.
They list everything from P90 (1.9 Bbbl) to P1 (13 Bbbl), plus a potential 1-5 Bbbl in zones yet to be drilled. That's a huge range so I'll just go with their mean estimate of 4.2 Bbbl.
As a footnote, according to the Executive Summary on the PDF, this does not include boe gas amounts, which are listed separately.
Size of discovery:
1.2 - 2.7 billion barrels OIPDate: January 14, 2010
Company(s): Gulf Keystone
Name: Addition to Shaikan
Location: Iraqi Kurdistan
API: No information
Flow rate of test well(s): 10,000 bpd
Estimated production startup date: No information
LINKLINK (PDF)------------------------------------
Size of discovery:
56 billion barrels OIPDate: June 17, 2010
Company(s): Cenovus
Name: Cenovus oil sands properties
Location: Alberta, Canada
API: Really heavy stuff. Would not float on water.
Flow rate of test well(s): No information
Estimated production startup date: Two projects planned for completion 2019
LINK------------------------------------
Size of discovery:
60-100 million barrels OIPDate: Aug. 27, 2010
Company(s): Wintershall
Name: Blackeney
Location: UK North Sea
API: No information
Flow rate of test well(s): No information
Estimated production startup date: Sounds like they're aiming for 2015 or thereabouts
LINKLINK------------------------------------
Size of discovery:
34 billion barrels OIPDate: November 21, 2010
Company(s): Pars Oil and Gas Company
Name: Ferdowsi (new oil layer in existing gas field)
Location: Iranian Persian Gulf
API: No information
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
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Discoveries With Recoverable Amounts------------------------------------
------------------------------------
I assume the C1 + C1 reserves category listed in the first link are some sort of Russian equivalent of P1 + P2 reserves. Maybe a translation issue? (since this is an English-language version of a Russian website)
Anyway, off to a pretty good start this year.
Size of discovery:
1.17 billion barrels recoverable (P1 & P2)Date: January 27, 2010
Company(s): Rosneft
Name: Sevastyanovo
Location: Irkutsk Region of Russia
API: no information
Flow rate of test well(s): no information
Estimated production startup date: no information
LINKLINKLINK------------------------------------
Size of discovery:
100 - 200 million barrels recoverableDate: February 1, 2010
Company(s): OGX
Name: Well 1-OGX-4-RJS, Block BM-C-42
Location: Campos Basin, offshore Brazil
API: No information
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
500 - 900 million barrels recoverableDate: February 3, 2010
Company(s): OGX
Name: Well 1-OGX-3-RJS, Block BM-C-41
Location: Campos Basin, offshore Brazil
API: 19-20
Flow rate of test well(s): 3,000 bod from vertical well, horizontal well can produce 5x more
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
70 million barrels recoverableDate: February 8, 2010
Company(s): Iranian national oil company, presumably
Name: Somar
Location: Iran
API: No information
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
25 million barrels recoverableDate: February 11, 2010
Company(s): Petrobras
Name: Well 4-PM-53
Location: Campos Basin, offshore Brazil
API: 20
Flow rate of test well(s): 3,000 bpd
Estimated production startup date: Discovery well to go into production later this year, tie-ins with nearby infrastructure later
LINK------------------------------------
The article says this is a 1 billion barrel OIP field but estimates about a 30% recovery rate
Size of discovery:
300 million barrels recoverableDate: February 15, 2010
Company(s): Petroleum Development Oman
Name: Al Ghubar South
Location: Oman
API: "heavy"
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
65 million barrels recoverable in 2 seperate zones
Date: February 25, 2010
Company(s): Petrobras
Name: Addition/extension to Barracuda
Location: Campos Basin, offshore Brazil
API: 28
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
30-90 million barrels recoverableDate: February 25, 2010
Company(s): OGX
Name: Maastrichtian section of Well OGX-5
Location: Campos Basin, offshore Brazil
API: No information
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
15 million barrels recoverableDate: March 16, 2010
Company(s): Petrobras
Name: Piranema
Location: Northeastern Brazilian coast
API: 44
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
300 million barrels recoverableDate: April 6, 2010
Company(s): Anadarko
Name: Wahoo
Location: Campos Basin, offshore Brazil
API: 31
Flow rate of test well(s): 7500 bpd
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
37 - 63 million barrels recoverableDate: April 7, 2010
Company(s): Statoil
Name: Fossekall
Location: Norwegian Sea
API: No information
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
690 million barrels recoverable (oil only, not including gas, pg. 23 of 1st link)
Date: April 10, 2010
Company(s): EOG
Name: EOG leaseholds of Eagle Ford shale
Location: South-central Texas
API: 41.5 (pg. 15 of 1st link)
Flow rate of test well(s): ~342 to 1,658 bopd for 16 delineation wells
Estimated production startup date: Ramp up production to approx. 150K bopd by 2016 (pg. 27 of 1st link)
LINK (PDF on EOG website)
LINK (overview article)
------------------------------------
The calculation for this one is a bit complicated.
-- On pg. 12 of the PDF it says typical "Bakken Lite" wells are 86% oil. Page 14 says this area contains 210 Mmboe, so oil-alone would be 181 million barrels.
-- On pg. 13 of the PDF it says typical Three Forks wells are 81% oil. Page 14 says this zone contains 120 Mmboe, so oil-alone would be 97 million barrels.
-- Unfortunatly it does not give this breakdown for the "Bakken core" area. However, pg. 14 says this area contains only 20 Mmboe, so assuming the percentages here are similar to "Bakken Lite" and Three Forks, it wouldn't make a big difference anyway.
181 + 97 + 20 = 298
Size of discovery:
298 million barrels recoverableDate: April 10, 2010
Company(s): EOG
Name: EOG net leaseholds in Bakken/Three Forks
Location: North Dakota and Montana
API: Low 40's.
Flow rate of test well(s): Anywhere from about 100 bpd to 1,000 bpd and sometimes higher
Estimated production startup date: Area already producing, 1,212 net remaining drilling locations
LINK (PDF on EOG website)
LINK (overview article)
------------------------------------
Size of discovery:
4.5 billion barrels recoverableDate: May 12, 2010
Company(s): Petrobras
Name: Franco
Location: Santos Basin, offshore Brazil
API: 30
Flow rate of test well(s): No information
Estimated production startup date: No information
LINKLINK------------------------------------
Size of discovery:
1.4 - 2.6 billion barrels recoverableDate: May 14, 2010
Company(s): OGX
Name: Pipeline and Etna (well OGX-6)
Location: Campos Basin, offshore Brazil
API: No information
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
600 million - 1.1 billion barrels recoverableDate: May 14, 2010
Company(s): OGX
Name: Waimea and Fuji (wells OGX-2 and OGX-8)
Location: Campos basin, offshore Brazil
API: No information
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
105 million barrels boe recoverableDate: May 26, 2010
Company(s): Petrobras
Name: Carimbé
Location: Campos Basin, offshore Brazil
API: 29
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
380 million barrels boe recoverableDate: June 4, 2010
Company(s): Petrobras
Name: Brava (sub-salt layers of Marlim field)
Location: Campos basin, offshore Brazil
API: 29
Flow rate of test well(s): No information
Estimated production startup date: No information, Marlim already producing
LINKLINK------------------------------------
Size of discovery:
242 million barrels recoverableDate: June 4, 2010
Company(s): Rockhopper Exploration
Name: Sea Lion
Location: Falkland Islands
API: 26-29
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
160 million barrels boe recoverableDate: July 13, 2010 (originally announced in April)
Company(s): Eni
Name: Cinguvu, Sangos, N’Zanza, and N’Goma
Location: Offshore Angola
API: No information
Flow rate of test well(s): No information, peak development rate projected at 90K boe/day
Estimated production startup date: 2012
LINK------------------------------------
Size of discovery: "At least"
500 million barrels recoverableDate: July 13, 2010
Company(s): Eni and Petrobras
Name: Cabaca
Location: Offshore Angola
API: No information ("high quality oil")
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
60-120 million barrels recoverableDate: July 22, 2010
Company(s): Wintershall and others
Name: Maria
Location: Norwegian Sea
API: "light oil"
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
60-100 million barrels recoverableDate: Aug. 10, 2010 (and July 5)
Company(s):Premier Oil and EnCore Oil Ltd.
Name: Catcher East
Location: UK North Sea
API: No information
Flow rate of test well(s): No information
Estimated production startup date: No information
LINK------------------------------------
Size of discovery:
1.3 billion barrels recoverable (P3)Date: August 30, 2010
Company(s): Pemex
Name: Tsimin and Xux
Location: Offshore Mexico (shallow waters)
API: "light" oil
Flow rate of test well(s): No information
Estimated production startup date: Being fast-tracked for development
LINK------------------------------------
Size of discovery:
70 - 550 million barrels recoverable (P90-P10)
Date: Sept. 14, 2010
Company(s): Tullow
Name: Owo
Location: Offshore Ghana
API: 33-36
Flow rate of test well(s): No information
Estimated production startup date: No information
LINKLINK (PDF)LINK------------------------------------
Size of discovery:
22 billion barrels recoverable (P1)
Date: Oct. 4, 2010
Company(s): Shell, Exxon, Lukoil and Statoil
Name: Additions to West Qurna
Location: southern Iraq
API: Light oil, I think
Flow rate of test well(s): No information, long-term plans to boost output to 2.3 million bpd
Estimated production startup date: Drilling contracts for new wells currently being awarded
LINK (43 billion barrel new figure)
LINK (21 billion barrel old figure)
LINK (recent production plans)
------------------------------------
Size of discovery:
4.2 billion barrels recoverableDate: November 4, 2010
Company(s): Chesapeake Energy
Name: Chesapeake Energy land holdings in the Niobrara Shale
Location: CO and WY, USA
API: light oil
Flow rate of test well(s): 33 wells drilled by all companies to date range from a few hundred to over 1,000 bpd at peak rates
Estimated production startup date: Has already started, play is in its early stages
LINK------------------------------------
Size of discovery:
1.8 billion barrels recoverable boe
Date: December 29, 2010
Company(s): Petrobras
Name: "Cernambi field at Iracema"
Location: Santos Basin, offshore Brazil
API: 30
Flow rate of test well(s): No information
Estimated production startup date: Test wells already in place
LINK------------------------------------
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2010 Totals:Recoverable total: 41.577 billion barrels minimum to 44.873 billion barrels maximum
OIP total: 91.26 billion barrels minimum to 92.8 billion barrels maximum------------------------------------
2009Total discoveries listed as recoverable: 12.009 billion barrels minimum - 18.731 billion barrels maximumTotal discoveries listed as Oil-In-Place: 13.514 billion barrels minimum - 15.069 billion barrels maximum-----------------------------------
2008: 24.009 billion - 27.758 billion barrels2007: 32.32 billion - 36.85 billion barrels2006: 10.65 - 25.9 billion barrels