166
39
th
Annual Report
The partners made three more discoveries in early 2012, namely:
Chaza-1 on block 1 and Chewa-1 and Pweza-1 on block 4. BG Group is
operator with 60% interest, and Ophir Energy has 40%. The next target for
drilling is Mzia-1 on block 1, about 23 km north of the new discovery
i
.
ExxonMobil and Statoil ASAhave in turn made a gas discovery in
“Mafia Deep” sub- basin through the “ Zafarani-1” wildcat located in
block 2 which covers an area of 5500 sq km, the well was drilled in
2582 m of water to a total depth of 5150 m. wireline logs suggested
5 trillion cubic feet of gas in place
ii
.
In
USA
, ChesapeakeEnergy announceda significant newdiscovery
in the Anadarko Basin to the west of Oklahoma. Chesapeake owns
approximately 121 sq km exploration play. The company has
completed 2 horizontal wells in the Hogshooter Formation. The
“Thurman Horn 406H” exploration well was drilled to a vertical depth
of approximately 3,000 m with a lateral section of approximately
1,500 m. During its first eight days of stabilized production, the well
averaged daily production of 5,400 barrels of oil, 1,200 barrels of
natural gas liquids and 4.6 million standard cubic feet of gas, totaling
about 7,350 barrels of oil equivalent per day. The 2
nd
well “Meek 41
9H”, was drilled to a vertical depth of 3,100 m with a lateral section
of 1,450 m. During its first 27 days of stabilized production, the well
averaged daily production of 1,300 barrels of oil, 365 barrels of NGL
and 1.4 million standard cubic feet of gas, wich in total equals some
1,900 barrels of oil equivalent per day
iii
.
In
India
, Oil & Natural Gas Corp. Ltd (ONGC) has discovered
the third largest reservoir in Mumbai High at a development well
i
Oil and Gas Journal, 26/3/2012
ii
Oil and Gas Journal, 17 & 24/2/2012
iii
World Oil, 4/6/2012
