A
Development and Production Lease covering Mari Gas Field has been
granted by the Government to the Company till 2014, which is extendable
by another five years. The concession area under the lease is 1215.46 Sq
Kms.
The facilities and production capacity of the field have been gradually
and systematically enhanced over the years under the following six
development phases: |
|
Exploration Phases
|
Undertaken in 1957/59 by drilling three (3) wells out of which one was
completed as gas producer while remaining two were plugged and
abandoned. |
|
|
Phase I
Undertaken in 1965/66 and
six (6) development wells were drilled to supply 30 MMSCF/Day to Exxon
Chemical Pakistan Limited (now Engro Chemical Pakistan Limited).
|
|
|
Phase II
Undertaken in 1977/78 and
eight (8) new developments wells were drilled to supply 80 MMSCF/Day of
gas to Pak Saudi Fertilizer Company Limited (now Fauji Fertilizer
Company Ltd – Mirpur Mathelo). |
|
|
Phase III
Completed in 1981 by
drilling seven (7) additional development wells to supply 74 MMSCF/Day
of gas to Fauji Fertilizer Company Limited for its plant at Ghot Machhi. |
|
|
Phase IV
Completed in 1986 by
drilling twenty seven (27) development wells and three (3) step-out
wells in order to supply 100 MMSCF/Day gas to WAPDA for its Thermal
Power Station at Guddu. |
|
|
Phase V
Undertaken in 1993/94 to
drill further fifteen (15) development and four (4) step-out wells and
one saltwater disposal well to increase the production from 300 MMSCF/Day
to 402 MMSCF/Day for meeting the additional gas requirement of e new
plants installed by Fauji Fertilizer Company Limited and Engro Chemical
Pakistan Limited. |
|
|
Phase VI
Completed in 2003 by
drilling seventeen (17) development wells and commissioning of three (3)
already drilled wells for enhancement of field production capacity to
500 MMSCF/Day, for achieving optimum recovery with effective reservoir
management and uniform depletion of the field. |
|