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  • OTM-020: Tracking groundwater tables

 
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Tracking groundwater tables

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Challenge ID

OTM:020

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Title

Tracking groundwater tables

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Theme ID

ON 3.1: Subsidence monitoring - Land motion relating to fault lines or other causes

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Originator of Challenge

Onshore: OTM

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Challenge Reviewer / initiator

PetroSA, Exxon

 

General description

Overview of Challenge

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What is the nature of the challenge? (What is not adequately addressed at present?)

Operations which use large quantities of water (EOR, SAGD, Fracking etc…) often draw water from water tables in the vicinity of reservoir.  In water-scarce regions, the ability to track aquifer behaviour can give valuable information to making the most of water resources and scheduling activity for the right times of the year.

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Thematic information requirements

1. Obtain detailed topographic information,  3. Obtain detailed vegetation information,           13. Monitor ground movement,

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Nature of the challenge - What effect does this challenge have on operations?

Good management can maximise benefits derived from water resources, reduce impact on the environment, local population and agriculture.  Cost benefits might also be realised by more efficient use and extraction of water.

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What do you currently do to address this challenge?/ How is this challenge conventionally addressed?

If any, tilt meters, underground measurements of water table height

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What kind of solution do you envisage could address this challenge?

 

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What is your view on the capability of technology to meet this need? – are you currently using EO tech? If not, why not?

 

 

Challenge classification

 

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Lifecycle stage

Pre license

Exp.

Dev.

Prod.

Decom.

Score from impact quantification [1]

0

2

2

2

0

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Climate classification

NOT CLIMATE SPECIFIC

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Geographic context/restrictions

Generic onshore (Unspecified)

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Topographic classification / Offshore classification

Generic onshore (Unspecified)

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Seasonal variations

Any season

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Impact Area

Operational cost reduction (through managing water cut in produced oil) and environmental - to track ground water for surface uses

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Technology Urgency

(How quickly does the user need the solution)

Immediately (0-2 years)

 

Information requirements

 

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Update frequency

Monthly - annually

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Data Currently used

 

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Spatial resolution

 

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Thematic accuracy

 

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Example formats

GIS Shape file

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Timeliness

Within a month

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Geographic Extent

Development area only

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Existing standards

No industry standards.  TRE have their own internal INSAR standards


 


[1] Impact quantification scores: 4 – Critical/ enabling; 3 – Significant/ competitive advantage; 2 – Important but non-essential; 1 – Nice to have; 0 – No impact, need satisfied with existing technology

 

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