NORTH SEA

  • General
    • Vessel Name : NORTH SEA
    • Operator : KIRBY INLAND MARINE, LP
    • Ships Type (ICST) : Tugboat
    • Vessel Type : Tugboat
    • Construction : Steel
  • Engine
    • Horsepower rating : 4200
  • Location
    • City : SEATTLE
    • STATE : WA
  • Capacity
    • Net Tonnage : 135
  • Size
    • Register length : 120.1 Feet
    • Regular Breadth : 34 Feet
    • Overall Length : 120.1 Feet
    • Overall Breadt : 34 Feet
    • Load draft : 14 Feet
    • Light Draft : 11 Feet
    • Height : 76 Feet
  • Other
    • Year : 1982
    • EQUIP1 : NONE
    • Coast Guard Number : 645685

KIRBY INLAND MARINE, LP

  • Area of Operation : GULF INTRACOASTAL WATERWAY; MISSISSIPPI, TOMBIGBEE AND WARRIOR RIVER SYSTEMS; ILLINOIS, OHIO AND TENNESSEE RIVERS
  • Principal Commodity : CHEMICAL AND PETROLEUM PRODUCTS

KIRBY

  • Type : Liquid Cargo Barge (Double Sided Only)
  • Construction : Steel

BRIDGET CAULLEY

  • Type : Pushboat
  • Construction : Steel

BRONCO

  • Type : Pushboat
  • Construction : Steel

BUCKSKIN

  • Type : Pushboat
  • Construction : Steel

CAMERON BLAIR

  • Type : Pushboat
  • Construction : Steel

CAPT. ALPHA DOUCET

  • Type : Pushboat
  • Construction : Steel

CAPT. BILL IKNER

  • Type : Pushboat
  • Construction : Steel

CAPT. CHARLIE LAWRENCE

  • Type : Pushboat
  • Construction : Steel

CAPT. DANIEL CLEMENT

  • Type : Pushboat
  • Construction : Steel

CAPT. FRANK GIBSON

  • Type : Pushboat
  • Construction : Steel

CAPT. FRANK STALLINGS

  • Type : Pushboat
  • Construction : Steel

CAPT. JAMES HOOVER

  • Type : Pushboat
  • Construction : Steel

CAPT. JIM GREEN

  • Type : Pushboat
  • Construction : Steel

CAPT. REGGIE LEBOEUF

  • Type : Pushboat
  • Construction : Steel

CAPT. RONNIE PAYNE

  • Type : Pushboat
  • Construction : Steel

CAPT. SHORTY C

  • Type : Pushboat
  • Construction : Steel

CAPTAIN BILL ENGLISH

  • Type : Tugboat
  • Construction : Steel

CAROLE L. BRENT

  • Type : Pushboat
  • Construction : Steel

CHALLENGER

  • Type : Pushboat
  • Construction : Steel

CHARLOTTE

  • Type : Pushboat
  • Construction : Steel

CHESLEY E

  • Type : Pushboat
  • Construction : Steel

CINDY BRENT

  • Type : Pushboat
  • Construction : Steel

CITY OF CHICAGO

  • Type : Pushboat
  • Construction : Steel

CITY OF FREEPORT

  • Type : Pushboat
  • Construction : Steel

CITY OF GREENVILLE

  • Type : Pushboat
  • Construction : Steel

CITY OF JOLIET

  • Type : Pushboat
  • Construction : Steel

CITY OF JONESVILLE

  • Type : Pushboat
  • Construction : Steel

CITY OF LOUISVILLE

  • Type : Pushboat
  • Construction : Steel

CITY OF NATCHEZ

  • Type : Pushboat
  • Construction : Steel

CITY OF NEW ORLEANS

  • Type : Pushboat
  • Construction : Steel

CITY OF PADUCAH

  • Type : Pushboat
  • Construction : Steel

CITY OF PITTSBURGH

  • Type : Pushboat
  • Construction : Steel

CITY OF REDWOOD

  • Type : Pushboat
  • Construction : Steel

CITY OF VICKSBURG

  • Type : Pushboat
  • Construction : Steel

COLORADO

  • Type : Pushboat
  • Construction : Steel

COMAL

  • Type : Pushboat
  • Construction : Steel

CREOLE MAMA

  • Type : Pushboat
  • Construction : Steel

CREOLE TUT

  • Type : Pushboat
  • Construction : Steel

CULLEN

  • Type : Pushboat
  • Construction : Steel

DADE

  • Type : Tugboat
  • Construction : Steel

DAN L

  • Type : Pushboat
  • Construction : Steel

DAVIS SEA

  • Type : Tugboat
  • Construction : Steel

DAYTONA

  • Type : Pushboat
  • Construction : Steel

DENNIS CHAMBERS

  • Type : Pushboat
  • Construction : Steel

DIXIE CHALLENGE

  • Type : Tugboat
  • Construction : Steel

DIXIE COURAGE

  • Type : Pushboat
  • Construction : Steel

DIXIE EXPRESS

  • Type : Tugboat
  • Construction : Steel

DIXIE LEADER

  • Type : Tugboat
  • Construction : Steel

DIXIE PRINCE

  • Type : Tugboat
  • Construction : Steel

DIXIE RAIDER

  • Type : Pushboat
  • Construction : Steel

DIXIE RENEGADE

  • Type : Pushboat
  • Construction : Steel

DIXIE TRAVELER

  • Type : Pushboat
  • Construction : Steel

DIXIE VALOUR

  • Type : Pushboat
  • Construction : Steel

DIXIE VANDAL

  • Type : Pushboat
  • Construction : Steel

DIXIE VENGEANCE

  • Type : Pushboat
  • Construction : Steel

DIXIE VOLUNTEER

  • Type : Pushboat
  • Construction : Steel

DUBLIN SEA

  • Type : Pushboat
  • Construction : Steel

EARL JONES

  • Type : Pushboat
  • Construction : Steel

EL LOBO GRANDE II

  • Type : Tugboat
  • Construction : Steel

EL PASO

  • Type : Pushboat
  • Construction : Steel

ELIZABETH BLEILER

  • Type : Pushboat
  • Construction : Steel

ELIZABETH R

  • Type : Pushboat
  • Construction : Steel

ELLIS DAVIS

  • Type : Pushboat
  • Construction : Steel

ELOY RIVERA

  • Type : Tugboat
  • Construction : Steel

ENTERPRISE

  • Type : Pushboat
  • Construction : Steel

ESCAMBIA

  • Type : Pushboat
  • Construction : Steel

FILLY

  • Type : Pushboat
  • Construction : Steel

FLORIDA

  • Type : Tugboat
  • Construction : Steel

FRANCIS BENEDICT

  • Type : Pushboat
  • Construction : Steel

GALVESTON

  • Type : Pushboat
  • Construction : Steel

GARY REED

  • Type : Tugboat
  • Construction : Steel

GREENLAND SEA

  • Type : Tugboat
  • Construction : Steel

GUADALUPE

  • Type : Pushboat
  • Construction : Steel

HENRY J. SOUDELIER III

  • Type : Pushboat
  • Construction : Steel

HONDO

  • Type : Pushboat
  • Construction : Steel

HOUMA

  • Type : Tugboat
  • Construction : Steel

HOUSTON

  • Type : Tugboat
  • Construction : Steel

INDIAN RIVER

  • Type : Pushboat
  • Construction : Steel

IRISH SEA

  • Type : Tugboat
  • Construction : Steel

J. E. O'DONNELL

  • Type : Pushboat
  • Construction : Steel

JANICE CAROL

  • Type : Pushboat
  • Construction : Steel

JAVA SEA

  • Type : Tugboat
  • Construction : Steel

JEFF MONTGOMERY

  • Type : Tugboat
  • Construction : Steel

JESSICA BRENT

  • Type : Pushboat
  • Construction : Steel

JIMMY SAULS

  • Type : Pushboat
  • Construction : Steel

JOHN BRIX

  • Type : Tugboat
  • Construction : Steel

KEY WEST

  • Type : Tugboat
  • Construction : Steel

KIMBERLY JANE

  • Type : Pushboat
  • Construction : Steel

L. C. WILLIAMS

  • Type : Pushboat
  • Construction : Steel

LABRADOR SEA

  • Type : Tugboat
  • Construction : Steel

LAMPASAS

  • Type : Pushboat
  • Construction : Steel

LANA LOUISE

  • Type : Pushboat
  • Construction : Steel

LAREDO

  • Type : Pushboat
  • Construction : Steel

LAVACA

  • Type : Pushboat
  • Construction : Steel

LEON JOHNSON

  • Type : Pushboat
  • Construction : Steel

LEVITICUS

  • Type : Pushboat
  • Construction : Steel

LIME ROCK

  • Type : Pushboat
  • Construction : Steel

LINCOLN SEA

  • Type : Tugboat
  • Construction : Steel

LLANO

  • Type : Tugboat
  • Construction : Steel

LOU NATARO

  • Type : Pushboat
  • Construction : Steel

LOUIE LEONE

  • Type : Pushboat
  • Construction : Steel

LUCILLE BROOKS

  • Type : Pushboat
  • Construction : Steel

LUCY W. HINES

  • Type : Pushboat
  • Construction : Steel

LYDIA BRENT

  • Type : Pushboat
  • Construction : Steel

MARATHON

  • Type : Pushboat
  • Construction : Steel

MARCIA LYNN

  • Type : Pushboat
  • Construction : Steel

MARK L

  • Type : Pushboat
  • Construction : Steel

MARYLAND

  • Type : Tugboat
  • Construction : Steel

MCKINLEY SEA

  • Type : Tugboat
  • Construction : Steel

MEDINA

  • Type : Pushboat
  • Construction : Steel

MEDITERRANEAN SEA

  • Type : Tugboat
  • Construction : Steel

MELINDA BRENT

  • Type : Pushboat
  • Construction : Steel

MIAMI

  • Type : Tugboat
  • Construction : Steel

MICHAEL MCCREERY

  • Type : Pushboat
  • Construction : Steel

MIDAS

  • Type : Pushboat
  • Construction : Steel

MIKE BIRD

  • Type : Pushboat
  • Construction : Steel

MISS BETTYE

  • Type : Pushboat
  • Construction : Steel

MISS HEATHER

  • Type : Pushboat
  • Construction : Steel

MISS RACHEL

  • Type : Pushboat
  • Construction : Steel

MISS ROLANETTE

  • Type : Pushboat
  • Construction : Steel

MISS SUSAN

  • Type : Pushboat
  • Construction : Steel

MISSION

  • Type : Pushboat
  • Construction : Steel

MOBILE

  • Type : Tugboat
  • Construction : Steel

MORGAN CITY

  • Type : Pushboat
  • Construction : Steel

MR. BENNETT

  • Type : Pushboat
  • Construction : Steel

NAINA

  • Type : Tugboat
  • Construction : Steel

NAKOA

  • Type : Tugboat
  • Construction : Steel

NAKOLO

  • Type : Tugboat
  • Construction : Steel

NAKUE

  • Type : Tugboat
  • Construction : Aluminum

NATHAN E STEWART

  • Type : Tugboat
  • Construction : Steel

NAUPAKA

  • Type : Tugboat
  • Construction : Steel

NAVIDAD

  • Type : Pushboat
  • Construction : Steel

NECHES

  • Type : Pushboat
  • Construction : Steel

NENE

  • Type : Tugboat
  • Construction : Steel

NICEVILLE

  • Type : Pushboat
  • Construction : Steel

NICKIE B

  • Type : Pushboat
  • Construction : Steel

NICOLE BRENT

  • Type : Pushboat
  • Construction : Steel

NOHEA

  • Type : Tugboat
  • Construction : Steel

NOHOLOA

  • Type : Tugboat
  • Construction : Steel

NOKE

  • Type : Tugboat
  • Construction : Steel

NOKEA

  • Type : Tugboat
  • Construction : Steel

NORTH WIND

  • Type : Pushboat
  • Construction : Steel

NORWEGIAN SEA

  • Type : Tugboat
  • Construction : Steel

NUECES

  • Type : Pushboat
  • Construction : Steel

NUNUI

  • Type : Tugboat
  • Construction : Steel

OBSERVER

  • Type : Pushboat
  • Construction : Steel

OLD PUSH

  • Type : Pushboat
  • Construction : Steel

ORION

  • Type : Pushboat
  • Construction : Steel

OSPREY

  • Type : Tugboat
  • Construction : Steel

PACESETTER

  • Type : Pushboat
  • Construction : Steel

PACIFIC AVENGER

  • Type : Tugboat
  • Construction : Steel

PACIFIC CHALLENGER

  • Type : Tugboat
  • Construction : Steel

PACIFIC EAGLE

  • Type : Tugboat
  • Construction : Steel

PACIFIC FREEDOM

  • Type : Tugboat
  • Construction : Steel

PACIFIC RAVEN

  • Type : Tugboat
  • Construction : Steel

PACIFIC WOLF

  • Type : Tugboat
  • Construction : Steel

PALO DURO

  • Type : Pushboat
  • Construction : Steel

PALOMINO

  • Type : Pushboat
  • Construction : Steel

PARAGON

  • Type : Tugboat
  • Construction : Steel

PASS CHRISTIAN

  • Type : Pushboat
  • Construction : Steel

PAULINE M.

  • Type : Pushboat
  • Construction : Steel

PEBBLE BEACH

  • Type : Pushboat
  • Construction : Steel

PECOS

  • Type : Pushboat
  • Construction : Steel

PEDERNALES

  • Type : Pushboat
  • Construction : Steel

PENSACOLA

  • Type : Tugboat
  • Construction : Steel

PORT ARTHUR

  • Type : Pushboat
  • Construction : Steel

PRIDE

  • Type : Pushboat
  • Construction : Steel

REBEL

  • Type : Tugboat
  • Construction : Steel

RIVERSIDE

  • Type : Pushboat
  • Construction : Steel

ROAN

  • Type : Pushboat
  • Construction : Steel

ROBERT G. STONE JR.

  • Type : Tugboat
  • Construction : Steel

ROSS SEA

  • Type : Tugboat
  • Construction : Steel

ROY BAKER

  • Type : Pushboat
  • Construction : Steel

SABINAL

  • Type : Pushboat
  • Construction : Steel

SAINT CRISPIN

  • Type : Pushboat
  • Construction : Steel

SAN JACINTO

  • Type : Pushboat
  • Construction : Steel

SEA HAWK

  • Type : Tugboat
  • Construction : Steel

SENATOR STENNIS

  • Type : Pushboat
  • Construction : Steel

SIBERIAN SEA

  • Type : Tugboat
  • Construction : Steel

SIRIUS

  • Type : Tugboat
  • Construction : Steel

SONORA

  • Type : Pushboat
  • Construction : Steel

SPIRIT

  • Type : Pushboat
  • Construction : Steel

STALLION

  • Type : Pushboat
  • Construction : Steel

SUNFISH

  • Type : Pushboat
  • Construction : Steel

SUSAN ELIZABETH

  • Type : Pushboat
  • Construction : Steel

TAMPA

  • Type : Pushboat
  • Construction : Steel

TASMAN SEA

  • Type : Tugboat
  • Construction : Steel

TAURUS

  • Type : Tugboat
  • Construction : Steel

TED B

  • Type : Pushboat
  • Construction : Steel

THOR

  • Type : Pushboat
  • Construction : Steel

TIGER

  • Type : Tugboat
  • Construction : Steel

TINY SANDERSON

  • Type : Pushboat
  • Construction : Steel

TRINITY

  • Type : Pushboat
  • Construction : Steel

VENTURE

  • Type : Pushboat
  • Construction : Steel

VIKING

  • Type : Tugboat
  • Construction : Steel

VOLUNTEER

  • Type : Tugboat
  • Construction : Steel

VOYAGER

  • Type : Pushboat
  • Construction : Steel

W. C. BINION JR.

  • Type : Pushboat
  • Construction : Steel

WALTER S

  • Type : Pushboat
  • Construction : Steel

WEDDELL SEA

  • Type : Tugboat
  • Construction : Steel

ZEPHYR

  • Type : Pushboat
  • Construction : Steel

ZEUS

  • Type : Pushboat
  • Construction : Steel

ACHILLES

  • Type : Pushboat
  • Construction : Steel

ADRIATIC SEA

  • Type : Tugboat
  • Construction : Steel

AGAMEMNON

  • Type : Pushboat
  • Construction : Steel

AJAX

  • Type : Pushboat
  • Construction : Steel

AL MIDDLETON

  • Type : Pushboat
  • Construction : Steel

ALICE JEAN

  • Type : Pushboat
  • Construction : Steel

ALTAIR

  • Type : Tugboat
  • Construction : Steel

ANGELINA

  • Type : Pushboat
  • Construction : Steel

ANN BRENT

  • Type : Pushboat
  • Construction : Steel

ANTIGONE

  • Type : Pushboat
  • Construction : Steel

APOLLO

  • Type : Pushboat
  • Construction : Steel

APPALOOSA

  • Type : Pushboat
  • Construction : Steel

ARABIAN

  • Type : Pushboat
  • Construction : Steel

ARABIAN SEA

  • Type : Tugboat
  • Construction : Steel

ARANSAS

  • Type : Pushboat
  • Construction : Steel

ARCHIE WILSON

  • Type : Tugboat
  • Construction : Steel

ATHENA

  • Type : Pushboat
  • Construction : Steel

ATLAS

  • Type : Pushboat
  • Construction : Steel

AURORA

  • Type : Pushboat
  • Construction : Steel

BARENTS SEA

  • Type : Tugboat
  • Construction : Steel

BEAUFORT SEA

  • Type : Tugboat
  • Construction : Steel

BERING SEA

  • Type : Tugboat
  • Construction : Steel

BETTY BRENT

  • Type : Pushboat
  • Construction : Steel

BIG AL

  • Type : Pushboat
  • Construction : Steel

BIG BAY

  • Type : Pushboat
  • Construction : Steel

BILL GARVEY

  • Type : Pushboat
  • Construction : Steel

BISMARCK SEA

  • Type : Tugboat
  • Construction : Steel

BLANCO

  • Type : Tugboat
  • Construction : Steel

BLUEFISH

  • Type : Pushboat
  • Construction : Steel

BOCA GRANDE

  • Type : Pushboat
  • Construction : Steel

BONNIE SUE

  • Type : Pushboat
  • Construction : Steel

BRAZOS

  • Type : Pushboat
  • Construction : Steel

BREWSTER KNOTT

  • Type : Pushboat
  • Construction : Steel

LEMON CREEK

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

LEO

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

NA-KAO

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

NO

  • Type : Other Liquid Cargo Barge Not Elsewhere Included
  • Construction : Steel

NO.

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

PACIFIC

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

PUGET SOUNDER

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

REM

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

RIGEL

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

SASANOA

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

RA

  • Type : Flat / Deck Barge
  • Construction : Steel

ANTARES

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

CAPELLA

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

CASCADES

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

DBL

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

DENEB

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

KAYS POINT

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

News

U.S. Oil Makes it to Ukraine, a blow to Moscow

U.S. Oil Makes it to Ukraine, a blow to Moscow

U.S. crude exports are gaining traction in Europe as even Ukraine turns into a significant consumer of American barrels at the expense of Russian supplies amid heightened U.S. political pressure on Moscow and problems over contaminated Russian oil.Ukraine this month received its first ever barrels from the United States, according to Refinitiv Eikon flows data

Floating Wind: Norway Seeks to Expand

Floating Wind: Norway Seeks to Expand

Norway will seek to open two areas for the construction of floating offshore wind parks, which combined could hold a turbine capacity of up to 3.5 gigawatts (GW), the Norwegian oil and energy ministry said.Norway has recently been seeking to develop wind power, both onshore and offshore.

BP Rig Zigzags in Chase with Greenpeace Ship

BP Rig Zigzags in Chase with Greenpeace Ship

A BP drilling rig heading to an oilfield in the British North Sea has been forced to turn away twice over the past two days as a Greenpeace vessel protesting climate change tries to hamper its progress.The high-sea chase is the latest step in Greenpeace's nine-day effort to stop the 40,000 tonne Paul Loyd JNR rig from reaching the Vorlich oilfield to start its drilling campaign.

Offshore wind: One-stop Power Conversion

Offshore wind: One-stop Power Conversion

With the United States and China about to start their respective offshore wind build-ups, grid operators wondering about the efficiency of their turbines or the emissions-areas compliance of their wind-service vessels will be warmed to know there’s someone they can talk to. Yaskawa’s The Switch — a Japanese industrial giant’s European environmental tech business — is offering one-stop

Vessel Strikes Statfjord A, Staff Evacuated

Vessel Strikes Statfjord A, Staff Evacuated

Oil workers have been evacuated from the Statfjord A platform in the North Sea after it was struck by a platform supply vessel (PSV), Norwegian oil and gas company Equinor said on Friday.The platform was not producing when it was struck by the support vessel Sjøborg during loading operations at 1:55 a.m., and there were no injuries to the 276 people on the platform, Equinor said.

The Decommissioning, Marine Life Connection

The Decommissioning, Marine Life Connection

Data sharing and better understanding of how marine life interacts with manmade structures is the target for the next phase of the Insite program.What to do with offshore structures is a sticky problem for oil companies, regulators and policy makers alike, as many structures are starting to cease production in the North Sea, where some fields have been producing oil and gas since the early 1970s.

Pioneering Spirit Shifts to the North Sea

Pioneering Spirit Shifts to the North Sea

The world's largest heavy lift and pipelay vessel, Pioneering Spirit, will take a temporary pause from Nord Stream 2 pipelaying activities in the Swedish Exclusive Economic Zone to perform planned platform lift work in the North Sea.The Allseas-owned vessel, which in 2018 installed the 22,000 t drilling platform topsides for Equinor’s Johan Sverdrup development on the Norwegian continental shelf

BP: First Oil Production at Clair Ridge

BP: First Oil Production at Clair Ridge

Energy giant BP has taken its first oil from the Clair Ridge mega-project in the U.K. North Sea in a “major milestone” that is the culmination of many years of work.Clair Ridge, the second phase of the development of the Clair Field, 75 kilometers west of Shetland, is one of the biggest developments in the history of the basin

Ineos to Buy ConocoPhillips North Sea Assets

Ineos to Buy ConocoPhillips North Sea Assets

Britain's richest man Jim Ratcliffe's oil and gas company Ineos Group Holdings is in exclusive talks with ConocoPhillips to buy North Sea oil and gas fields worth $3 billion from the U.S. energy company.Various news paper reports say that British petrochemicals company has confirmed it is negotiating to buy several North Sea oil fields from U.S. energy giant.

Norwegian Oil, Gas Plants Restart after Ship Collision

Norwegian Oil, Gas Plants Restart after Ship Collision

An oil tanker and a Norwegian navy frigate collided off Norway's west coast on Thursday, injuring eight people and triggering the temporary shutdown of a North Sea crude export terminal, Norway's top gas processing plant and several offshore fields.The frigate, which recently took part in a major NATO military exercise, was aground and tilting on one side, live television pictures showed.

BREAKING: Tanker, Frigate Collision Shuts Down Norwegian Oil, Gas to Europe

BREAKING: Tanker, Frigate Collision Shuts Down Norwegian Oil, Gas to Europe

Norway has been forced to close the Sture Oil Terminal near Bergen and has started closing down the nearby Kollsness gas-and-condensate terminal — a lifeline of heating gas to Europe — after an early morning collision between a $440-million frigate and an oil tanker.The frigate Helge Ingstad, now listing heavily to its port side

Total Makes Major Offshore UK Gas Discovery

Total Makes Major Offshore UK Gas Discovery

French oil and energy group Total said on Monday it had made a major gas discovery on the Glendronach prospect, located off the coast of the Shetland islands in the North Sea.Total said preliminary tests on the new gas discovery confirmed good reservoir quality, permeability and well production deliverability, with recoverable resources estimated at about one trillion cubic feet (1 tcf).