Over the last 48 hours, Hurricane Katrina has taken aim at the oil and gas industry in the US Gulf of Mexico. Its path since Saturday afternoon has passed directly through some of the most actively explored and produced areas in the Gulf.

In terms of exploration, more than half of the 231 offshore rigs (excluding inland barges) currently working in the US Gulf of Mexico were in Katrina's path. A total of 48 rigs lay within the most adversely affected areas where winds were at hurricane force, blowing in excess of 74 MPH. Another 69 rigs were located in waters that experienced tropical storm force winds of 36 to 74 MPH. In total, 117 rigs, valued at a combined total of over $7 billion, had to weather the storm.

As of Monday afternoon at 3pm, the US Coast Guard has reported that at least one, possibly two, deepwater rigs have lost their moorings and are floating freely in the Gulf.

Block Areas Most Affected
The table below outlines the block areas affected by the passage of the hurricane, providing statistics on the number of rigs in each area along with the total cost of construction for those rigs, based on rig locations as of Friday, August 26th.

Download:
  - GOM Block Areas Hit by Hurricane Katrina [PDF]

Hurricane Force Winds (74+ MPH)

Area Abbr	Area Name	Num Rigs	Total Cost of Rigs
AT	ATWATER VALLEY	1	$                      365	million
BM	BAY MARCHAND	1	$                          4	million
BS	BRETON SOUND	2	$                        38	million
EW	EWING BANK	1	$                        37	million
GI	GRAND ISLE	2	$                      570	million
LL	LLOYD	1	$                      280	million
MC	MISSISSIPPI CYN	12	$                      729	million
MO	MOBILE	1	$                        26	million
MP	MAIN PASS	7	$                      180	million
PL	SOUTH PELTO	1	$                        17	million
SP	SOUTH PASS	1	$                      240	million
ST	SOUTH TIMBALIER	6	$                      236	million
VK	VIOSCA KNOLL	4	$                        35	million
WD	WEST DELTA	8	$                      133	million

Tropical Storm Force Winds (36 - 74 MPH)

Area Abbr	Area Name	Num Rigs	Total Cost of Rigs
EC	EAST CAMERON	9	$                      303	million
EI	EUGENE ISLAND	12	$                      339	million
GC	GREEN CANYON	20	$                    2,524	million
SM	SOUTH MARSH	9	$                      123	million
SS	SHIP SHOAL	10	$                      344	million
VR	VERMILION	6	$                      153	million
WR	WALKER RIDGE	3	$                    1,023	million

Rig Managers Affected
The table below outlines the rig managers whose fleets were exposed to the force of Hurricane Katrina as it moved through the Gulf. Based on rig locations as of Friday, August 26th.

Download:
  - Rig Managers With Rigs in Path of Hurricane Katrina [PDF]
  - Rigs Facing Hurricane Force Winds [PDF]
  - Rigs Facing Tropical Storm Force Winds [PDF]

	Tropcial Storm Winds			Hurricane Winds
Rig Manager	Num Rigs	Cost of Rigs		Num Rigs	Cost of Rigs
Conoco	1	$             -	milllion	0	$             -	milllion
Diamond Offshore	5	$           681	milllion	7	$           137	milllion
ENSCO	8	$           511	milllion	7	$           194	milllion
GlobalSantaFe	8	$           876	milllion	4	$           702	milllion
Helmerich & Payne	2	$             -	milllion	4	$             -	milllion
Hercules Offshore	1	$             35	milllion	4	$             50	milllion
Nabors Offshore	9	$             63	milllion	5	$             26	milllion
Noble Drilling	5	$           487	milllion	3	$           199	milllion
Parker Drilling	1	$             -	milllion	0	$             -	milllion
Pride International	7	$           140	milllion	3	$             32	milllion
Rowan	11	$           417	milllion	4	$           368	milllion
Tetra Applied Tech	1	$             -	milllion	0	$             -	milllion
Todco	4	$             10	milllion	3	$             71	milllion
Transocean Inc.	6	$        1,589	milllion	4	$        1,111	milllion

Operators Affected
Hurricane Katrina forced operators to shut in over a million barrels of oil per day, according to the MMS. A total of nearly 2,800 platforms, more than 500 of them manned, were within the areas affected by the storm. Of those platforms, about 1,100 of them were within the direct path of the hurricane where they experienced hurricane force winds in excess of 74 miles per hour.

ChevronTexaco was the operator most heavily impacted by the passing of Hurricane Katrina, with more then 160 platforms facing hurricane force winds, and another 230 platforms exposed to tropical storm force winds.

Download:
  - Platforms Affected by Hurricane Katrina by Operator [PDF]

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