Buzzard Buzzard
PRODUCTION FACILITY
Facility Name Buzzard Platform Duty Oil/Gas
Operator Nexen Current Status Producing since 2007
Host Type Fixed Platform Water Depth 100 m / 330 ft
Dev.Cost $400,000,000 Region UK
 
Location 20/6
 
OIL & GAS FIELD
Field Name Buzzard Discovery Date May 2001
Block 19/10, 20/6, 19/5a, 20/1s Reserve Type Oil/Gas
Current
Status
Producing Production Start Jan 2007
Water Depth 100 m / 330 ft
 
 
Description
 
At one time, the Buzzard oil field was the largest discovery in the UK sector of the North Sea. Located on Blocks 19/10, 20/6, 19/5a and 20/1S in 328 feet (100 meters) of water, Buzzard is situated 62 miles (100 kilometers) northeast of Aberdeen and 34 miles (55 kilometers) from the nearest landfall at Peterheard.

Nexen Petroleum U.K. Limited operates the Buzzard field and owns a 43% working interest. The other co-ventures are Petro-Canada U.K. Limited with 30% interest, BG Group with 22% interest, and Edinburgh Oil and Gas with 5% interest.

Discovered in May 2001 by the Ocean Nomad semisub, Buzzard’s total recoverable reserves are estimated at more than 500 MMbo with gross production reaching a plateau of 220,000 bopd.

Field Development

When Buzzard was discovered, a subsequent sidetrack extended the oil bearing sands from 4,400 feet (1,341 meters) to the east and increased the gross oil column to 750 feet (229 meters).

Buzzard's development consists of 27 production wells and 11 water injection wells.

Platform Development

Fabrication of the facility began in January 2004; the facility construction was completed in 2006, with production starting up in early 2007.

In 2006, the utilities and production topsides were installed along with the completion of initial development wells, hook-ups and project commissioning.

The Buzzard processing platform includes three poled structures supporting a wellhead, a production facility, and utilities and quarters decks linked through bridges. The facility delivers injection water to two remote cluster locations. Eleven water injection wells were drilled through two subsea manifolds and are located about 2 miles (3 kilometers) from the platforms. The production deck weighs about 12,000 tons (10,886 tonnes), and the utilities and quarters deck weighs approximately 11,000 tons (9,979 tonnes).

Oil is exported from the facility via an 18-inch pipeline to the Forties Pipeline System, then shipped to Cruden Bay, and then to BP Kinneil for further processing. Gas production will be exported via a 10-inch pipeline to the Captain ‘T’ point on the U.K. Frigg pipeline. From there it will be sent to the St. Fergus Gas Terminal.

The Buzzard platform was designed by CB&I in London; the jacket structures were constructed by Aker Berdal in Norway; the well head deck was built by BIFAB in Scotland; the utilities and quarters deck was built by Heerema Hartlepool in England; the production deck was built by Dragados in Spain; and the pipelines and facility installation was completed by Saipem of Italy.

The project was constructed within three years, and it consisted of more than 17 million staff hours, coordinating hundreds of suppliers and contractors, lifting more than 25,000 tons (22,670 tonnes) of steel and weathering through North Sea weather conditions.
 
Activities
 
Maintenance Delay at Buzzard
Date: Oct. 2012
Type: Operator Update
A scheduled maintenance shutdown of the Nexen-operated Buzzard platform in the UK North Sea has lasted longer than predicted. Nexen's original plan was to bring the platform back online mid-October but startup will have to wait another week. The delay has resulted in one cargo being dropped from the November Forties loading program. Forties is the main component of the global benchmark Brent which is used to price most of the world's oil. Buzzard is the largest Forties producing field and issues there tend to provide strong support to Brent oil futures.
North Sea Buzzard Oil Field to Shut Down for 4 Weeks
Date: Jun. 2012
Type: Status Update
Nexen reported that the Buzzard oil field will have an extended four-week shutdown in the third quarter for the field's five-year regulatory inspection. The company did not specify when the shut-down will likely occur. Buzzard produces about 200,000 bopd and is the largest oil field that contributes to Forties crude.
Buzzard Field Remains Shut-In
Date: Apr. 2012
Type: Status Update
Nexen's Buzzard oil field remains shut-in after an incident that occurred on Saturday, April 21. The operator said repairs are on-going and production is expected to ramp up soon. A bearing failed Saturday morning on one of the gas compressors on the fourth platform.
Hertel to Construct Additional Living Quarters for Buzzard Platform
Date: Mar. 2012
Type: Facility Construction
Hertel's offshore division received a contract to design, build and modify living quarters on Nexen Petroleum's Buzzard platform in the UK sector of the North Sea. The contract includes engineering, procurement and construction of living quarters for an additional 60 people, which will increase the onboard capacity of the platform to 180. Fabrication began at the end of February 2012. The Buzzard oil and gas field commenced production on Jan. 7, 2007.
Heerema Installs Nexen Buzzard Deck
Date: May. 2010
Type: Facility Construction
Nexen Petroleum UK installed a 7,165-ton (6,500-tonne) deck and bridge structures on the Buzzard oil field. The deck, measuring 197 feet (60 meters) long, 118 feet (36 meters) wide and 138 feet (42 meters) tall, was installed on the 3,858-ton (3,500-tonne) jacket. Heerema Hartlepool was awarded the fabrication contract in March 2008 for the process deck, which includes a 606 ton (550 tonne) bridge with a length of 262 feet (80 meters). Located on Blocks 19/10, 20/6, 19/5a and 20/1S in 328 feet (100 meters) of water, Buzzard is situated 62 miles (100 kilometers) northeast of Aberdeen and 34 miles (55 kilometers) from the nearest landfall at Peterheard. Nexen Petroleum U.K. Limited operates the Buzzard field and owns a 43% working interest.
Nexen Reinstates Production at Buzzard Oil Field
Date: Feb. 2010
Type: Operator Update
Production was recently restored at the Buzzard field to full rates of between 200,000 and 220,000 boe/d, after Nexen had decreased flow rates to between 30,000 and 50,000 boe/d on February 16. Temporary repairs were made to a separator unit on the platform, but Nexen plans additional work to be carried out during a scheduled maintenance shutdown in the second quarter of 2010. The Buzzard field is located on Blocks 19/10, 20/6, 19/5a and 20/1S in the UK sector of the North Sea, which Nexen Petroleum operates, holding a 43% working interest.
Nexen Reduces Production Rates on Buzzard Field
Date: Feb. 2010
Type: Status Update
Nexen reduced production at its Buzzard oil field after discovering an item on the platform needing repair. Production rates were lowered to between 30,000 and 50,000 boe/d, and output is expected to remain at reduced rates for the next several weeks. The Buzzard field is located on Blocks 19/10, 20/6, 19/5a and 20/1S in the UK sector of the North Sea, which Nexen Petroleum operates, holding a 43% working interest.
Planned Buzzard Shutdown Underway
Date: Sep. 2009
Type: Status Update
At Buzzard, the four week shutdown is underway for jacket installation and tie in preparation relating to the fourth platform. Work is proceeding as planned and the platform jacket was successfully installed earlier this week. Nexen expects to have production back on stream by mid September. In 2010, Nexen will install the topsides and begin operating the fourth platform which will allow the company to handle higher levels of hydrogen sulphide over the life of the field.
Heerema Delivers Jacket to Buzzard Oil Field Ahead of Schedule
Date: Aug. 2009
Type: Contract Award
Heerema Vlissingen, one of the fabrication facilities of Heerema Fabrication Group (HFG), successfully completed the EPC contract for the construction of a jacket and piles for the fourth platform on Nexen's Buzzard oil field in the UK North Sea. The 3,500 ton (3,175 tonne) jacket, which measures 42 x 42 x 407 feet (124 meters) together with eight 96-inch-diameter piles with a total weight of 2,200 tons (1,996 tonnes) were loaded on a barge from Heerema Vlissingen's construction quay for transportation to Nexen's Buzzard oil field. In the meantime HFG's fabrication facility Heerema Hartlepool is fabricating the 6,000 ton (5,443 tonnes) process deck and 500 ton (454 tonne) bridge, due for load out in March 2010. The early jacket installation reduces the installation and hook-up work when the topside and bridge, built to suit the as-installed jacket, are installed in the 2010 installation period.
Nexen's Buzzard Field Continues to Exceed Expectations
Date: Dec. 2008
Type: Status Update
Nexen says that its Buzzard field in the North Sea continues to exceed expectations and is a significant contributor to their 2009 production. The company estimates a month of downtime in the third quarter of 2009, which coincides with a six week slowdown of the Forties pipeline, to install the jackets for the fourth platform and complete tie-in operations pending installation of the topsides. The platform will allow the field to handle higher levels of hydrogen sulphide and maintain peak production until 2014.
 
Status History
 
Buzzard Platform

Producing - Jan 2007 to -
Under Construction - Nov 27, 2003 to Dec 2006
Buzzard

Producing - Jan 07, 2007 to -
Nexen announced that the Buzzard field in the U.K. North Sea commenced production on Jan. 7, 2007.
Under Development - Nov 27, 2003 to Dec 2006
The UK Dept of Trade & Industry approved the Buzzard field development plan.
Appraisal Drilling - Dec 01, 2001 to Nov 26, 2003
An extensive appraisal program is planned with six additional wells, two sidetracks, and two production tests and one water production & Injection test.
Discovery (Appraised) - Jul 28, 2001 to Nov 30, 2001
Appraisal Drilling - Jun 12, 2001 to Jul 27, 2001
Well 20/6-3z was a subsequent sidetrack well that extended the oil bearing sands 4400ft to the east and increased the gross oil column to 750 feet.
Discovery (Drilled) - May 22, 2001 to Jun 11, 2001
Well 20/6 encountered a 400-foot gross oil column, which tested 6547 bbl/d and on mmcf/d of gas.
Exploratory Drilling - Apr 25, 2001 to May 21, 2001
Diamond's Ocean Nomad spud well 20/6-3.
 
Project Map Europe - North Sea
Line Separator
Project Image
Buzzard Production Facility
 
Buzzard Production Facility
 
Buzzard Map