Page 69: of Maritime Reporter Magazine (June 1993)

OFFSHORE RIGS SURVEY

OFFSHORE MOBILE DRILLING UNITS

UNDER CONSTRUCTION OR ORDERED

Semisub-

Jackups Barges mersibles Ships TOTAL

By Area Of World (Location of Shipyard)

U.S. Gulf of Mexico 0 2 0 0 2

Middle East 1 0 0 0 1

U.S.S.R. 2 0 3 1 6

TOTAL 3 2 3 9

By Delivery Date 1993 3 2 2 1 8 1994 0 0 0 0 0 1995 0 1 0 1 1996 0 0 0 0 0

Undetermined 0 0 0 0

TOTAL 3 2 3 19

With No Drilling Contract 1993 0 0 10 1 1994 0 0 0 0 1995 0 0 0 0 1996 0 0 0 0

TOTAL 0 0 10 1

Source: Offshore Rig Locator

Source: The Offshore Rig Locator, published by Offshore Data Services, Inc., P.O. Box 19909,

Houston, Texas 77224; telephone (713) 781-2713; and telefax (713) 781-9594.

MOBILE RIGS UNDER CONSTRUCTION

Rig Owner Rig Name Design

Water

Depth Shipyard

Estimated

Cost ($MM)

Delivery

Date Contract

BARGES

ENSCO Ensco 09 Maracaibo type, over the bow drilling. 125' Texas Drydock -Orange, TX, USA $16.0e 4/93 Lagoven — 5 years — Previously 'Ensco B'.

ENSCO Ensco 10 Maracaibo type, over the bow drilling. 125' Bender Shipbuilding - Mobile, AL, USA $16.0e 5/93 Lagoven - 5 years - Previously 'Ensco D'.

JACKUPS

NATIONAL

IRANIAN DRIG

Iranian Unnamed

Jackup 01

Rauma-Repola, 3 triangular legs, cantilever. 300' Iran Marine Industrial — Neka, Iran $70.0 4/93 NIOC — Owner operated.

RUSSIA Russia Unnamed

Jackup N402

CD&EB - Coral Design,

Arctic Class, 3 legs, cantilever. 300' Vyborg Shipyard - Russia $67.0 6/93 Sahalinmor — Owner operated.

UKRAINE Tavride N610 CD&EB - Coral Design, 3 legs, cantilever. 250' Nikolaav Shipyard — Nikolaav, Ukraine $60.0e 4/93 Chernmor — Owner operated.

SEMISUBMERSIBLES

AZERBAIJAN Shelf 07 CD&EB - Coral Design, 6 columns. 1,000' Astrakhan Shipyard - Astrakhan, Russia $80.0e 4/93 Caspmor - Owner operated.

AZERBAIJAN Shelf 09 CD&EB - Coral Design, 6 columns. 820' Astrakhan Shipyard - Astrakhan, Russia $80.0e 1/95 Caspmor - Owner operated.

JAN-ERIK DYVI & KVAERNER

Iliad CD&EB - Coral Design, 6 columns. 650' - Vyborg, Russia $80.0e 11/93 Available - Previously 'Shelf 12' owned by

Russia.

SHIPS

UKRAINE/RUSSIA Unnamed Ship 01 Soviet Design, dynamic positioning. 1,000' Kherson - Ukraine $60.0e 4/93 Arcticmor — owner operated. Construction previously halted; now nearing completion.

Source: Offshore Rig Locator 70 Maritime Reporter/Engineering News