10/21/201310/21/201310/21/201310/21/2013

2

LOCATION:LOCATION:LOCATION:LOCATION:

TITLE:TITLE:TITLE:TITLE:

APPROVEDAPPROVEDAPPROVEDAPPROVED

DRAFTEDDRAFTEDDRAFTEDDRAFTED

PROJECT#PROJECT#PROJECT#PROJECT#

DATEDATEDATEDATE

FFFFIIIIGGGGUUUURRRREEEE

!R

!R

!R

!R!R

!R

!R

0

1

2

3

4

567

8

0

1

1

1

1

2

2ORW-46

ORW-53

ORW-52ORW-50

ORW-49

ORW-37

ORW-36

MRAA Gas Zone Thickness in the Vicinity of the Bayou Corne Community

Napoleonville Salt Dome ProjectBayou Corne, Louisiana

Legend

!R Relief Well Location

Zone of Influence (ft)

Thickness of MRAA Gas Zone (ft)

±

500 0 500250 Feet

Poros ity = 0.25

Rec Gas = 0.50

Poros i ty = 0.30

Rec Ga s = 0.60

ORW-36 111 800 3.2 4.27 386 322

ORW-37 127 200 0.5 4.74 464 386

ORW-49 110 1500 5.5 4.24 405 337

ORW-50 110 1500 6.5 4.24 372 310

ORW-46 126 600 1.8 4.53 433 361

ORW-52 111 1000 3.2 4.27 432 360

ORW-53 110 1000 3.5 4.24 414 345

Relief Well

Volumteric Radius of Influence

(ft)Pr/Ps

Thickness of

Gas Zone

(ft)

Potential

Producible Gas

(MCF)

Depth to MRAA

(ft)

ROI – volumetric Radius of Influence (ft)

gas prod –potential volume of producible gas (ft3)

b – mapped thickness of the gas zone at well (ft)

Φ –porosity (25%)

ΔS –recoverable gas fraction (50%)

Pr – hydrostatic pressure from ground surface (psia)

Ps – atmospheric pressure (psia)

ROI = � ��� ���∗�∗ ∗��∗�� �� ���

0.5

Volumetric Radius of Influence (ft)

This calculation is based upon simplifying assumptions including uniform properties within the radius of

influence and estimated gas production for each relief well.