Page 51: of Offshore Engineer Magazine (Feb/Mar 2014)

50 52

Australasia is a hotbed of gas-production activ- which could add value. off northwest Australia at a ity, with numerous facilities besides Hess began planning in 2011 40-degree grade. At the escarp-

Hess’ original Equus timeline

Wheatstone, North Rankin and Pluto in and work is is well advanced. ment, water depth goes from

Project Phase Target Date development or on the drawing board, all FEED work on the subsea 3450ft (1050m) to 820 feet

Final Investment Decision Mid 2013 within pipelining distance from Equus. layout of umbilicals, fowlines, (250m) within 5 miles (8km),

Hess listed several other nearby facili- tie-ins and export pipelines the Project Connect listing says.

Implementation phase Mid 2013 to late 2017 ties in its government flings, including has been done by Wood Hess already has sought - Development Drilling – Phase 1 2015 - 2016

Chevron’s huge Gorgon development Group Kenny. Worley Parsons’ expressions of interest in sev- (under construction with startup planned INTECSEA unit did FEED work eral work packages on Western - Ofshore Installation 2016 - 2017 for 2015-16) 46 miles (75km) southeast on the topsides, semisubmers- Australia’s Industry Capability - Commissioning Late 2017 of Equus. Also listed was Reindeer about ible hull, moorings and risers. Network. Among the packages:

First Commercial Gas/ First LNG Early 2018 140 miles (220km) to the east and Angel Hess’ development plan engineering, procurement and 137 miles (220km) to the northeast. calls for a three-phase, 17-well construction of the hull and

Decommissioning 2043

In addition, Hess’ papers on fle men- drilling campaign, with six mooring; EPC of the topsides; tioned three planned or existing major producing wells to be drilled by 2017, 15,000 tonnes. FPS transportation to site and installa- pipelines, Jansz 30 miles (50km) to the fve more by 2026 and six more by 2030. Partial processing would be done on tion; and topsides installation.

east, Echo Yodel 160km to the east and Also listed in the fling are three 12-inch the platform – separation, gas dehy- In its fling with Australian regulators,

Cossack Wannaea 125 miles (200km) fowlines totaling 27 miles (43.5km) in dration and compression and Mono Hess has explained its reasoning for not northeast. length, with branches linking producing Ethylene Glycol (MEG) regeneration. building its own independent LNG-

The nearest production facility to wells. The export pipeline from Equus to processing facility.

Equus at the time of the February 2012 A profle of the project on Project third-party facilities would be a 20in. “By tying into existing offshore infra- fling was the John Brookes unmanned Connect, an affliate of the Chamber diameter line ranging from 75 miles structure supplying an existing onshore platform, about 60 miles (100km) to of Commerce and Industry of Western (120km) to 180 miles (285km) in length, LNG facility, the project will avoid the the east. John Brookes’ gas is sent to a Australia which lists jobs available to depending on which third party agrees to requirement for any onshore or near shore

Varanus Island processing facility via a contractors, calls for the semisubmers- receive gas from the Hess project. components,” the company fling says.

35 mile (55km) pipeline. Varanus Island, ible FPS to be permanently moored in Depending on the tie-in location, the “Hess considers this concept opti- about 100 miles (155km) southeast of 3475ft (1060m) of water. The facility export pipeline could present challenges mizes the economic and environmental

Equus, is site of a number of other pro- would be 345ft (105m) long and 195ft of its own, running through waters outcomes for Australia in effciently duction facilities. (60m) wide. The hull would weigh as deep as 4600ft (1400m) and climb- developing the natural gas discoveries in

Land-based facilities on Barrow Island about 25,000 tonnes and the topsides ing the continental shelf escarpment the Equus felds.” are 85 miles (135km) to the southeast,

Hess’ flings says.

In any case, Hess, 100% owner of

The Strength of Experience...

Equus, is unlikely to suspend or drop the project given that in 2007 it committed to the Power of Innovation spend $500 million on exploration and development in order to win the rights to

WA-390-P. The commitment was a record

For over 45 years, Delmar Systems, Inc. for Australian permit lease auctions.

has been serving the oil and gas industry

A 22-well exploration and appraisal around the world, including the Arctic. With operation from 2008 through 2011 used an unwavering commitment to developing the Transocean semisubmersible rig Jack the most highly quali? ed and skilled

Bates and confrmed discovery of eight professionals and innovative technology, commercially viable felds. Reserve esti-

Delmar ensures that every job is performed safely, effectively, and ef? ciently. mates run from 1-3Tcf of gas, and Equus is expected to have an operational life of 25 years.

The eight felds comprising Equus have been dubbed Mentorc, Bravo and

Nimblefoot in Cretaceous strata; Chester and Rimfre in the Cretaceous/Triassic;

Glenloth and Briseais in Triassic and

Glencoe in the Jurassic. Reserve pres-

Engineering Subsea Supervision Mooring Equipment Project Management sures range from 860psi in Nimblefoot to 1,288 in Mentorc.

The felds are 5200ft (1.6km) to

DELMAR SYSTEMS, INC. 13,000ft (4km) beneath the seabed in

Technical and Engineering

Delmar Systems, Pty. Ltd.

Operations and Headquarters

Perth, Australia 900 Town & Country Lane, Ste 400 8114 West Highway 90 3200ft (1000m) to 4000ft (1200m) of

Houston, Texas USA 77024

Broussard, Louisiana USA 70518

Delmar Sistemas de Ancoragem, Ltda.

water.

DELMAR

Tel: +1 832.252.7100

Tel: +1 337.365.0180

Rio de Janeiro, Brazil

Fax: +1 832.252.7140

Fax: +1 337.365.0037

The three Cretaceous felds have the highest condensate to gas ratio, 40bbls www.delmarus.com per million standard cubic feet of gas, oedigital.com February 2014 | OE 53 050_OE0214Geofocus1.indd 53 1/20/14 10:12 PM