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  • CLS-2.6: Drilling Survey preparation : Environmental conditions

 

Drilling Survey preparation : Environmental conditions

CLS_OFF.2.6 : Drilling Suvrey preparation : Environmental conditions  

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Challenge ID

CLS_OFF.2.6

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Title

Drilling Survey preparation : Environmental conditions 

 

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Originator of Challenge

CGG

 

General description

 

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What data/products do you currently use ?

For survey preparation:

  • Environmental conditions in relation with streamer biofouling
  • Marine mammal habitats & climatology
  • Impact of the noise for animals
  • Sound velocity in first layer during the survey for streamer
  • Sensor positioning and 3D for imagery processing (direct in-situ measurement)

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When do you use this kind of dataset?

These data are needed during the Survey preparation.

They are helpful for estimating the impact of the drilling on the environment, for ballasting of in-sea equipment during the survey.

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What are your actual limitations and do you have a work around? 

n/a

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Needs and expectations on EO data

  • Have an access to satellite data :  SST, Color, SSS,  altimetry
  • Being able to generate these products with EO data:
    • Buoyancy perturbation: sinking of streamers,
    • Upwelling of water of different properties: visible images, micro structures.
    • Retroflected eddies (geometry of acquisition perturbed)
  • Altimetry: satellite data known but not used.
  • Global comment: Some companies don’t, usually, buy directly data (SST, Color etc…), except may be SAR images. These parts are provided by service companies.

 

EO products improvement :

Synoptic data, more data at low latitudes.

Better coordination between satellite missions for a better coverage.

 

Challenge classification

 

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Lifecycle stage

Pre license

Exp.

Dev.

Prod.

Decom.

Score from impact

 

 

4

 

 

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Geographic context/restrictions

Offshore operations / worldwide

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Topographic classification / Offshore classification

All offshore area except Inland sea / lake

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Activity impacted/concerned

Safety navigation, operation efficiency

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Urgency

(How quickly does the user need the solution)

Immediate (0-2 yrs)

 

Information requirements

 

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Update frequency

Daily for operation

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Temporal resolution

hourly

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Spatial resolution

1-10km  / depth up to 100-200m or deeper

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Data quality

good

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Data Coverage and extent

Over survey area, typically 100km x 100km

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Example formats

GIS format, netCDF…

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Timeliness

RT application as fast as possible

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Existing standards

n/a