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First Break February 2012 2012-02-01

The new February 2012 issue of First Break starts off with the current EAGE and Industry News followed by News Feature on Unrecognized 'fracture caging' could make shale drilling safer and more profitable. The three Technical Articles cover the issue of elastic anisotropy in the Haynesville Shale, airborne and ground geophysical investigation of the abandoned salt mine environment in Germany and 4D-3C geomechanical study of in-situ bitumen recovery in NW Canada using Toe-to-Heel Air Injection. Finally, this month’s Special Topic is devoted to Unconventionals & CCS and includes five very interesting articles.


Edinburgh is venue for CO2 Geological Storage Workshop 2012-02-01
Edinburgh, historic capital of Scotland.We look forward to seeing you in Edinburgh on the 26th and 27th of March for the third EAGE CO2 Geological Storage Workshop. The event will host a group of the world's leading researchers in the field of geological CO2 storage. Geological storage of CO2 in the deep subsurface is probably the part of carbon capture and storage (CCS) which attracts the most attention from regulators as well as the public.
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Winners of Gustavo Sclocchi Awards for Italian graduates are announced 2012-02-01
Award winners and the judges.Awards to the winners of the 2011 Gustavo Sclocchi Awards were presented at a special ceremony on 14 December in San Donato Milanese, Italy. The awards are for the best theses in geosciences and petroleum engineering by any university graduates from Italian universities and for Italian nationals graduated anywhere in the world.
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Students can build their future in Copenhagen! 2012-02-01
Copenhagen waterfront.‘Building Your Future’ will be the theme of this year’s extensive student programme being organized at the EAGE Annual Conference & Exhibition from 4–7 June 2012 in Copenhagen. Plenty of exciting educational and entertaining activities will be available for gaining the latest knowledge and skills development for pursuing careers in geosciences and engineering industry.
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Offshore Angola pre-salt acreage snapped up by the major players 2012-02-01
Rosa field at night, offshore Angola.Big Oil in the shape of BP, Total, Eni, and Statoil along with Houston-based Cobalt Energy International were the winners in the limited pre-salt licensing round presaging further deepwater exploration initiatives offshore Angola. BP has confirmed that it has now gained access to five more deepwater exploration and production blocks offshore Angola providing the company with a leading position in Angola including interests in nine blocks accounting for a total acreage of 32,650 km2.
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Noble Energy says gas find off Cyprus is significant 2012-02-01
Noble interests in the Eastern Mediterranean.Noble Energy says it has made a natural gas discovery at the Cyprus Block 12 prospect, offshore the Republic of Cyprus. The Cyprus A-1 well encountered approximately 310 ft of net natural gas pay in multiple highquality Miocene sand intervals. The discovery well was drilled to a depth of 19,225 ft in water depth of about 5540 ft.
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Figure 1 Location of the airborne survey over the area of Stassfurt in central Germany.

Technical Article

Airborne and ground geophysical investigation of the abandoned salt mine environment along the Stassfurt-Egeln Anticline, Germany

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Figure 1 Location of geomechanical model (blue line) in relation to injection wells (KB-502 and KB-503) and InSAR vertical surface displacement pattern (mm) (at August 2009, red colour indicates uplift of up to 20 mm). KB-11 and KB-14 are gas production wells. KB-5 is an abandoned appraisal well.

Special Topic

Geomechanical response to CO2 injection at Krechba, In Salah, Algeria

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Figure 1 Fracture cage predicted by analytical stress trajectory solutions. Initial crack near the wellbore (0.64 times borehole radius) in this numerical simulation of fracture growth cannot escape from the fracture cage formed by the deviatoric stress trajectories around the wellbore. Red arrows show far field total stresses (σ1 and σ2) and red dots are isotropic points. (After Weijermars et al., 2012)

News Feature

Unrecognized 'fracture caging' could make shale drilling safer and more profitable

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February 2012