XML 69 R53.htm IDEA: XBRL DOCUMENT v3.3.1.900
Supplemental Oil and Gas Information (Tables)
 12 Months Ended
Dec. 31, 2015
Reserve Quantities [Line Items]  
Costs Incurred in Oil and Gas Property Acquisition, Exploration and Development Activities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Millions of dollars)

United
States

 

Canada

 

Malaysia

 

United
Kingdom1

 

Other

 

Total

Year Ended December 31, 2015

 

 

 

 

 

 

 

 

 

 

 

 

Property acquisition costs

 

 

 

 

 

 

 

 

 

 

 

 

        Unproved

$

 10.1 

 

 2.5 

 

– 

 

– 

 

– 

 

 12.6 

        Proved

 

– 

 

– 

 

– 

 

– 

 

– 

 

– 

                Total acquisition costs

 

 10.1 

 

 2.5 

 

– 

 

– 

 

– 

 

 12.6 

Exploration costs2

 

 166.8 

 

 0.7 

 

 69.0 

 

– 

 

 135.4 

 

 371.9 

Development costs2

 

 1,375.1 

 

 231.5 

 

 210.0 

 

– 

 

 2.8 

 

 1,819.4 

                Total costs incurred

 

 1,552.0 

 

 234.7 

 

 279.0 

 

– 

 

 138.2 

 

 2,203.9 

Charged to expense

 

 

 

 

 

 

 

 

 

 

 

 

        Dry hole expense

 

 241.3 

 

– 

 

 29.7 

 

– 

 

 25.8 

 

 296.8 

        Geophysical and other costs

 

 16.9 

 

 0.7 

 

 7.9 

 

– 

 

 73.2 

 

 98.7 

                Total charged to expense

 

 258.2 

 

 0.7 

 

 37.6 

 

– 

 

 99.0 

 

 395.5 

Property additions

$

 1,293.8 

 

 234.0 

 

 241.4 

 

– 

 

 39.2 

 

 1,808.4 

Year Ended December 31, 2014

 

 

 

 

 

 

 

 

 

 

 

 

Property acquisition costs

 

 

 

 

 

 

 

 

 

 

 

 

        Unproved

$

 92.9 

 

– 

 

– 

 

– 

 

– 

 

 92.9 

        Proved

 

 7.4 

 

– 

 

– 

 

– 

 

– 

 

 7.4 

                Total acquisition costs

 

 100.3 

 

– 

 

– 

 

– 

 

– 

 

 100.3 

Exploration costs2

 

 160.0 

 

 1.7 

 

 6.3 

 

– 

 

 262.1 

 

 430.1 

Development costs2

 

 1,934.7 

 

 413.8 

 

 926.6 

 

– 

 

 7.6 

 

 3,282.7 

                Total costs incurred

 

 2,195.0 

 

 415.5 

 

 932.9 

 

– 

 

 269.7 

 

 3,813.1 

Charged to expense

 

 

 

 

 

 

 

 

 

 

 

 

        Dry hole expense

 

 92.1 

 

– 

 

 47.4 

 

– 

 

 130.5 

 

 270.0 

        Geophysical and other costs

 

 37.7 

 

 1.7 

 

 1.3 

 

– 

 

 128.5 

 

 169.2 

                Total charged to expense

 

 129.8 

 

 1.7 

 

 48.7 

 

– 

 

 259.0 

 

 439.2 

Property additions

$

 2,065.2 

 

 413.8 

 

 884.2 

 

– 

 

 10.7 

 

 3,373.9 

Year Ended December 31, 2013

 

 

 

 

 

 

 

 

 

 

 

 

Property acquisition costs

 

 

 

 

 

 

 

 

 

 

 

 

        Unproved

$

 32.4 

 

– 

 

– 

 

– 

 

 3.2 

 

 35.6 

        Proved

 

 13.2 

 

– 

 

– 

 

– 

 

– 

 

 13.2 

                Total acquisition costs

 

 45.6 

 

– 

 

– 

 

– 

 

 3.2 

 

 48.8 

Exploration costs2

 

 112.4 

 

 21.8 

 

 14.9 

 

– 

 

 344.6 

 

 493.7 

Development costs2

 

 1,773.2 

 

 351.6 

 

 1,787.7 

3 

 8.1 

 

 19.0 

 

 3,939.6 

                Total costs incurred

 

 1,931.2 

 

 373.4 

 

 1,802.6 

 

 8.1 

 

 366.8 

 

 4,482.1 

Charged to expense

 

 

 

 

 

 

 

 

 

 

 

 

        Dry hole expense

 

 46.1 

 

 32.1 

 

 20.7 

 

– 

 

 164.0 

 

 262.9 

        Geophysical and other costs

 

 29.1 

 

 0.7 

 

 4.6 

 

– 

 

 138.0 

 

 172.4 

                Total charged to expense

 

 75.2 

 

 32.8 

 

 25.3 

 

– 

 

 302.0 

 

 435.3 

Property additions

$

 1,856.0 

 

 340.6 

 

 1,777.3 

 

 8.1 

 

 64.8 

 

 4,046.8 

 

1

The Company has accounted for U.K. operations as discontinued operations due to the sale of these operations in the first half of 2013.

2

Includes non-cash asset retirement costs as follows:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

             2015

 

 

 

 

 

 

 

 

 

 

 

 

              Exploration costs

$

– 

 

– 

 

– 

 

– 

 

– 

 

– 

              Development costs

 

 30.7 

 

 49.1 

 

 (3.0)

 

– 

 

– 

 

 76.8 

 

$

 30.7 

 

 49.1 

 

 (3.0)

 

– 

 

– 

 

 76.8 

              2014

 

 

 

 

 

 

 

 

 

 

 

 

              Exploration costs

$

– 

 

– 

 

– 

 

– 

 

– 

 

– 

              Development costs

 

 36.5 

 

 (32.1)

 

 66.2 

 

– 

 

– 

 

 70.6 

 

$

 36.5 

 

 (32.1)

 

 66.2 

 

– 

 

– 

 

 70.6 

              2013

 

 

 

 

 

 

 

 

 

 

 

 

              Exploration costs

$

– 

 

 0.2 

 

 –

 

– 

 

– 

 

 0.2 

              Development costs

 

 70.1 

 

 5.9 

 

 95.9 

 

– 

 

– 

 

 171.9 

 

$

 70.1 

 

 6.1 

 

 95.9 

 

– 

 

– 

 

 172.1 

 

3

Includes property costs associated with non-cash capital lease of $358.0 million at the Kakap field.
Results of Operations for Oil andGas Producing Activities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Canada

 

 

 

 

 

 

 

United

 

Conven-

 

 

 

 

 

 

 

 

(Millions of dollars)

States

 

tional

 

Synthetic

 

Malaysia

 

Other

 

Total

Year Ended December 31, 2015

 

 

 

 

 

 

 

 

 

 

 

 

Revenues

 

 

 

 

 

 

 

 

 

 

 

 

    Crude oil and natural gas liquids sales

$

 1,176.9 

 

 181.0 

 

 203.0 

 

 790.6 

 

– 

 

 2,351.5 

    Natural gas sales

 

 70.4 

 

 167.7 

 

– 

 

 185.4 

 

 

 

 423.5 

            Total oil and gas revenues

 

 1,247.3 

 

 348.7 

 

 203.0 

 

 976.0 

 

– 

 

 2,775.0 

    Other operating revenues

 

 6.3 

 

 (2.4)

 

 0.4 

 

 155.4 

 

– 

 

 159.7 

            Total revenues

 

 1,253.6 

 

 346.3 

 

 203.4 

 

 1,131.4 

 

– 

 

 2,934.7 

 

 

 

 

 

 

 

 

 

 

 

 

 

Costs and expenses

 

 

 

 

 

 

 

 

 

 

 

 

    Lease operating expenses

 

 312.0 

 

 102.4 

 

 166.0 

 

 251.9 

 

– 

 

 832.3 

    Severance and ad valorem taxes

 

 55.9 

 

 4.8 

 

 5.1 

 

– 

 

– 

 

 65.8 

    Exploration costs charged to expense

 

 258.2 

 

 0.7 

 

– 

 

 37.6 

 

 99.0 

 

 395.5 

    Undeveloped lease amortization

 

 59.2 

 

 14.4 

 

– 

 

– 

 

 1.8 

 

 75.4 

    Depreciation, depletion and amortization

 

 794.9 

 

 211.2 

 

 50.7 

 

 544.9 

 

 6.2 

 

 1,607.9 

    Accretion of asset retirement obligations

 

 20.2 

 

 7.2 

 

 5.4 

 

 15.9 

 

– 

 

 48.7 

    Impairment of assets

 

 329.0 

 

 683.6 

 

– 

 

 1,480.6 

 

– 

 

 2,493.2 

    Deepwater rig contract exit costs

 

 282.0 

 

– 

 

– 

 

– 

 

– 

 

 282.0 

    Selling and general expenses

 

 88.2 

 

 25.5 

 

 1.0 

 

 5.7 

 

 56.8 

 

 177.2 

    Other expenses

 

 6.7 

 

 43.9 

 

– 

 

 15.9 

 

 12.1 

 

 78.6 

            Total costs and expenses

 

 2,206.3 

 

 1,093.7 

 

 228.2 

 

 2,352.5 

 

 175.9 

 

 6,056.6 

            Results of operations before taxes

 

 (952.7)

 

 (747.4)

 

 (24.8)

 

 (1,221.1)

 

 (175.9)

 

 (3,121.9)

    Income tax expense (benefit)

 

 (337.0)

 

 (191.2)

 

 2.4 

 

 (567.9)

 

 (17.3)

 

 (1,111.0)

            Results of operations

$

 (615.7)

 

 (556.2)

 

 (27.2)

 

 (653.2)

 

 (158.6)

 

 (2,010.9)

 

 

 

 

 

 

 

 

 

 

 

 

 

Year Ended December 31, 2014

 

 

 

 

 

 

 

 

 

 

 

 

Revenues

 

 

 

 

 

 

 

 

 

 

 

 

    Crude oil and natural gas liquids sales

$

 2,062.1 

 

 453.3 

 

 391.5 

 

 1,680.2 

 

– 

 

 4,587.1 

    Natural gas sales

 

 127.2 

 

 201.3 

 

– 

 

 357.5 

 

– 

 

 686.0 

            Total oil and gas revenues

 

 2,189.3 

 

 654.6 

 

 391.5 

 

 2,037.7 

 

– 

 

 5,273.1 

    Other operating revenues

 

 7.1 

 

 (2.4)

 

 0.4 

 

 145.8 

 

 (1.3)

 

 149.6 

            Total revenues

 

 2,196.4 

 

 652.2 

 

 391.9 

 

 2,183.5 

 

 (1.3)

 

 5,422.7 

 

 

 

 

 

 

 

 

 

 

 

 

 

Costs and expenses

 

 

 

 

 

 

 

 

 

 

 

 

    Lease operating expenses

 

 345.5 

 

 160.3 

 

 233.8 

 

 350.3 

 

– 

 

 1,089.9 

    Severance and ad valorem taxes

 

 96.5 

 

 5.6 

 

 5.1 

 

– 

 

– 

 

 107.2 

    Exploration costs charged to expense

 

 129.8 

 

 1.7 

 

– 

 

 48.7 

 

 259.0 

 

 439.2 

    Undeveloped lease amortization

 

 50.1 

 

 19.4 

 

– 

 

– 

 

 4.9 

 

 74.4 

    Depreciation, depletion and amortization

 

 840.7 

 

 262.7 

 

 54.0 

 

 735.0 

 

 5.1 

 

 1,897.5 

    Accretion of asset retirement obligations

 

 17.5 

 

 6.0 

 

 9.2 

 

 18.1 

 

– 

 

 50.8 

    Impairment of assets

 

 14.3 

 

 37.0 

 

– 

 

– 

 

– 

 

 51.3 

    Selling and general expenses

 

 95.2 

 

 26.7 

 

 0.9 

 

 15.7 

 

 73.5 

 

 212.0 

    Other expense

 

 4.9 

 

 1.0 

 

– 

 

 16.9 

 

 2.1 

 

 24.9 

            Total costs and expenses

 

 1,594.5 

 

 520.4 

 

 303.0 

 

 1,184.7 

 

 344.6 

 

 3,947.2 

            Results of operations before taxes

 

 601.9 

 

 131.8 

 

 88.9 

 

 998.8 

 

 (345.9)

 

 1,475.5 

    Income tax expense (benefit)

 

 214.8 

 

 42.4 

 

 21.8 

 

 102.6 

 

 (95.9)

 

 285.7 

            Results of operations

$

 387.1 

 

 89.4 

 

 67.1 

 

 896.2 

 

 (250.0)

 

 1,189.8 

*Results exclude corporate overhead, interest and discontinued operations.

 

Schedule 5 – Results of Operations for Oil and Gas Producing Activities* – Continued

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Canada

 

 

 

 

 

 

 

United

 

Conven-

 

 

 

 

 

 

 

 

(Millions of dollars)

States

 

tional

 

Synthetic

 

Malaysia

 

Other

 

Total

Year Ended December 31, 2013

 

 

 

 

 

 

 

 

 

 

 

 

Revenues

 

 

 

 

 

 

 

 

 

 

 

 

    Crude oil and natural gas liquids sales

$

 1,724.7 

 

 507.2 

 

 441.0 

 

 1,875.0 

 

 83.6 

 

 4,631.5 

    Natural gas sales

 

 72.7 

 

 198.1 

 

– 

 

 404.0 

 

– 

 

 674.8 

            Total oil and gas revenues

 

 1,797.4 

 

 705.3 

 

 441.0 

 

 2,279.0 

 

 83.6 

 

 5,306.3 

    Other operating revenues

 

 6.4 

 

 (1.9)

 

 0.3 

 

 1.5 

 

– 

 

 6.3 

            Total revenues

 

 1,803.8 

 

 703.4 

 

 441.3 

 

 2,280.5 

 

 83.6 

 

 5,312.6 

 

 

 

 

 

 

 

 

 

 

 

 

 

Costs and expenses

 

 

 

 

 

 

 

 

 

 

 

 

    Lease operating expenses

 

 273.6 

 

 180.5 

 

 223.4 

 

 384.4 

 

 191.0 

 

 1,252.9 

    Severance and ad valorem taxes

 

 77.5 

 

 5.0 

 

 4.8 

 

– 

 

– 

 

 87.3 

    Exploration costs charged to expense

 

 75.2 

 

 32.8 

 

– 

 

 25.3 

 

 302.0 

 

 435.3 

    Undeveloped lease amortization

 

 30.3 

 

 21.0 

 

– 

 

– 

 

 15.6 

 

 66.9 

    Depreciation, depletion and amortization

 

 576.3 

 

 319.2 

 

 55.4 

 

 588.2 

 

 4.5 

 

 1,543.6 

    Accretion of asset retirement obligations

 

 13.5 

 

 5.9 

 

 10.3 

 

 15.0 

 

 4.3 

 

 49.0 

    Impairment of assets

 

– 

 

 21.6 

 

– 

 

– 

 

– 

 

 21.6 

    Selling and general expenses

 

 80.4 

 

 25.3 

 

 0.9 

 

 3.5 

 

 60.8 

 

 170.9 

            Total costs and expenses

 

 1,126.8 

 

 611.3 

 

 294.8 

 

 1,016.4 

 

 578.2 

 

 3,627.5 

            Results of operations before taxes

 

 677.0 

 

 92.1 

 

 146.5 

 

 1,264.1 

 

 (494.6)

 

 1,685.1 

    Income tax expense (benefit)

 

 241.6 

 

 19.9 

 

 37.9 

 

 477.7 

 

 (120.8)

 

 656.3 

            Results of operations

$

 435.4 

 

 72.2 

 

 108.6 

 

 786.4 

 

 (373.8)

 

 1,028.8 

 

*Results exclude corporate overhead, interest and discontinued operations.

Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Millions of dollars)

United
States

 

Canada

 

Malaysia

 

Total

December 31, 2015

 

 

 

 

 

 

 

 

Future cash inflows

$

 12,373.9 

 

 8,922.0 

 

 6,143.1 

 

 27,439.0 

Future development costs

 

 (2,620.5)

 

 (1,145.4)

 

 (957.8)

 

 (4,723.7)

Future production costs

 

 (4,955.4)

 

 (5,892.7)

 

 (3,290.5)

 

 (14,138.6)

Future income taxes

 

 (339.7)

 

 (504.8)

 

 (216.2)

 

 (1,060.7)

        Future net cash flows

 

 4,458.3 

 

 1,379.1 

 

 1,678.6 

 

 7,516.0 

10% annual discount for estimated timing
    of cash flows

 

 (2,430.0)

 

 (666.8)

 

 (560.1)

 

 (3,656.9)

        Standardized measure of discounted
            future net cash flows

$

 2,028.3 

 

 712.3 

 

 1,118.5 

 

 3,859.1 

 

 

 

 

 

 

 

 

 

December 31, 2014

 

 

 

 

 

 

 

 

Future cash inflows

$

 20,767.4 

 

 16,257.0 

 

 11,909.7 

 

 48,934.1 

Future development costs

 

 (3,151.4)

 

 (1,810.5)

 

 (1,920.8)

 

 (6,882.7)

Future production costs

 

 (6,378.5)

 

 (7,770.2)

 

 (4,575.6)

 

 (18,724.3)

Future income taxes

 

 (2,930.1)

 

 (1,389.6)

 

 (1,249.9)

 

 (5,569.6)

        Future net cash flows

 

 8,307.4 

 

 5,286.7 

 

 4,163.4 

 

 17,757.5 

10% annual discount for estimated timing
    of cash flows

 

 (3,729.1)

 

 (2,595.3)

 

 (1,527.9)

 

 (7,852.3)

        Standardized measure of discounted
            future net cash flows

$

 4,578.3 

 

 2,691.4 

 

 2,635.5 

 

 9,905.2 

 

 

 

 

 

 

 

 

 

December 31, 2013

 

 

 

 

 

 

 

 

Future cash inflows

$

 20,638.6 

 

 16,112.9 

 

 13,399.0 

 

 50,150.5 

Future development costs

 

 (3,833.9)

 

 (1,882.3)

 

 (1,445.3)

 

 (7,161.5)

Future production costs

 

 (5,244.7)

 

 (7,073.0)

 

 (4,490.4)

 

 (16,808.1)

Future income taxes

 

 (3,368.3)

 

 (1,472.8)

 

 (1,855.1)

 

 (6,696.2)

        Future net cash flows

 

 8,191.7 

 

 5,684.8 

 

 5,608.2 

 

 19,484.7 

10% annual discount for estimated timing
    of cash flows

 

 (4,020.2)

 

 (2,999.1)

 

 (1,620.7)

 

 (8,640.0)

        Standardized measure of discounted
            future net cash flows

$

 4,171.5 

 

 2,685.7 

 

 3,987.5 

 

 10,844.7 

 

Principal Sources of Change in the Standardized Measure of Discounted Future Net Cash Flows

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Millions of dollars)

 

2015

 

2014

 

2013

Net changes in prices and production costs

$

 (11,365.5)

 

 (2,697.8)

 

 267.8 

Net changes in development costs

 

 591.4 

 

 (2,317.3)

 

 (3,456.8)

Sales and transfers of oil and gas produced, net of production costs

 

 (1,876.9)

 

 (4,076.0)

 

 (3,972.4)

Net change due to extensions and discoveries

 

 1,145.8 

 

 3,251.6 

 

 4,608.9 

Net change due to purchases and sales of proved reserves

 

 (287.4)

 

 (1,041.0)

 

 (135.6)

Development costs incurred

 

 1,725.4 

 

 3,169.3 

 

 3,326.8 

Accretion of discount

 

 1,289.5 

 

 1,462.5 

 

 1,109.3 

Revisions of previous quantity estimates

 

 163.3 

 

 518.9 

 

 1,646.0 

Net change in income taxes

 

 2,568.3 

 

 790.3 

 

 (662.1)

       Net increase (decrease)

 

 (6,046.1)

 

 (939.5)

 

 2,731.9 

Standardized measure at January 1

 

 9,905.2 

 

 10,844.7 

 

 8,112.8 

       Standardized measure at December 31

$

 3,859.1 

 

 9,905.2 

 

 10,844.7 

 

Capitalized Costs Relating to Oil and Gas Producing Activities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Millions of dollars)

United
States

 

Canada

 

Malaysia

 

Other

 

Subtotal

 

Synthetic
Oil –
Canada

 

Total

December 31, 2015

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unproved oil and gas properties

$

 570.3 

 

 283.1 

 

 28.6 

 

 128.5 

 

 1,010.5 

 

– 

 

 1,010.5 

Proved oil and gas properties

 

 9,010.0 

 

 4,062.2 

 

 6,216.0 

 

– 

 

 19,288.2 

 

 1,174.7 

 

 20,462.9 

            Gross capitalized costs

 

 9,580.3 

 

 4,345.3 

 

 6,244.6 

 

 128.5 

 

 20,298.7 

 

 1,174.7 

 

 21,473.4 

Accumulated depreciation,
    depletion and amortization

 

 

 

 

 

 

 

 

 

 

 

 

 

 

        Unproved oil and gas properties

 

 (220.8)

 

 (219.4)

 

– 

 

 (22.4)

 

 (462.6)

 

– 

 

 (462.6)

        Proved oil and gas properties

 

 (4,004.9)

 

 (2,586.0)

 

 (4,336.9)

 

– 

 

 (10,927.8)

 

 (410.7)

 

 (11,338.5)

            Net capitalized costs

$

 5,354.6 

 

 1,539.9 

 

 1,907.7 

 

 106.1 

 

 8,908.3 

 

 764.0 

 

 9,672.3 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2014

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unproved oil and gas properties

$

 634.9 

 

 424.1 

 

– 

 

 168.1 

 

 1,227.1 

 

– 

 

 1,227.1 

Proved oil and gas properties

 

 7,810.9 

 

 4,515.4 

 

 6,917.7 

 

 737.8 

 

 19,981.8 

 

 1,386.9 

 

 21,368.7 

            Gross capitalized costs

 

 8,445.8 

 

 4,939.5 

 

 6,917.7 

 

 905.9 

 

 21,208.9 

 

 1,386.9 

 

 22,595.8 

Accumulated depreciation,
    depletion and amortization

 

 

 

 

 

 

 

 

 

 

 

 

 

 

        Unproved oil and gas properties

 

 (171.6)

 

 (245.6)

 

– 

 

 (96.6)

 

 (513.8)

 

– 

 

 (513.8)

        Proved oil and gas properties

 

 (2,944.0)

 

 (2,082.1)

 

 (2,665.3)

 

 (737.8)

 

 (8,429.2)

 

 (433.1)

 

 (8,862.3)

            Net capitalized costs

$

 5,330.2 

 

 2,611.8 

 

 4,252.4 

 

 71.5 

 

 12,265.9 

 

 953.8 

 

 13,219.7 

 

Oil Reserves [Member]  
Reserve Quantities [Line Items]  
Summary of Proved Reserves Based on Average Prices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Crude &
Synthetic
Oil

 

Crude Oil

 

Synthetic
Oil

(Millions of barrels)

Total

 

Total

 

United
States

 

Canada

 

Malaysia

 

United
Kingdom

 

Canada

Proved developed and
    undeveloped crude oil /
    synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2012

 414.8 

 

 295.7 

 

 142.6 

 

 36.8 

 

 95.7 

 

 20.6 

 

 119.1 

Revisions of previous estimates

 27.4 

 

 24.8 

 

 13.1 

 

 8.4 

 

 3.3 

 

– 

 

 2.6 

Improved recovery

 27.4 

 

 27.4 

 

– 

 

– 

 

 27.4 

 

– 

 

– 

Extensions and discoveries

 69.6 

 

 69.6 

 

 52.4 

 

 0.2 

 

 17.0 

 

– 

 

– 

Sales of properties

 (20.4)

 

 (20.4)

 

– 

 

– 

 

– 

 

 (20.4)

 

– 

Production

 (47.6)

 

 (42.9)

 

 (16.6)

 

 (6.7)

 

 (19.4)

 

 (0.2)

 

 (4.7)

December 31, 2013

 471.2 

 

 354.2 

 

 191.5 

 

 38.7 

 

 124.0 

 

 –

 

 117.0 

Revisions of previous estimates

 (9.3)

 

 (2.3)

 

 (3.2)

 

 2.7 

 

 (1.8)

 

 –

 

 (7.0)

Improved recovery

 7.5 

 

 7.5 

 

 –

 

 –

 

 7.5 

 

 –

 

 –

Extensions and discoveries

 42.6 

 

 42.6 

 

 32.7 

 

 2.4 

 

 7.5 

 

 –

 

 –

Purchases of properties

 6.1 

 

 6.1 

 

 6.1 

 

 –

 

 –

 

 –

 

 –

Sales of properties

 (24.3)

 

 (24.3)

 

 (0.3)

 

 (0.5)

 

 (23.5)

 

 –

 

 –

Production

 (52.0)

 

 (47.6)

 

 (21.9)

 

 (5.9)

 

 (19.8)

 

 –

 

 (4.4)

December 31, 2014

 441.8 

 

 336.2 

 

 204.9 

 

 37.4 

 

 93.9 

 

 –

 

 105.6 

Revisions of previous estimates

 5.3 

 

 (8.2)

 

 (7.6)

 

 (4.8)

 

 4.2 

 

 –

 

 13.5 

Improved recovery

 2.4 

 

 2.4 

 

 –

 

 –

 

 2.4 

 

 –

 

 –

Extensions and discoveries

 63.8 

 

 63.8 

 

 63.8 

 

 –

 

 –

 

 –

 

 –

Sales of properties

 (11.0)

 

 (11.0)

 

 –

 

 –

 

 (11.0)

 

 –

 

 –

Production

 (46.1)

 

 (41.8)

 

 (22.2)

 

 (4.7)

 

 (14.9)

 

 –

 

 (4.3)

     December 31, 2015

 456.2 

 

 341.4 

 

 238.9 

 

 27.9 

 

 74.6 

 

 –

 

 114.8 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Proved developed crude oil /
    synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

 

 

        December 31, 2012

 267.7 

 

 148.6 

 

 48.0 

 

 29.5 

 

 67.0 

 

 4.1 

 

 119.1 

        December 31, 2013

 289.9 

 

 172.9 

 

 75.8 

 

 31.6 

 

 65.5 

 

– 

 

 117.0 

        December 31, 2014

 324.1 

 

 218.5 

 

 106.2 

 

 32.4 

 

 79.9 

 

– 

 

 105.6 

        December 31, 2015

 326.6 

 

 211.8 

 

 125.9 

 

 23.8 

 

 62.1 

 

– 

 

 114.8 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Proved undeveloped crude
    oil / synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

 

 

        December 31, 2012

 147.1 

 

 147.1 

 

 94.6 

 

 7.3 

 

 28.7 

 

 16.5 

 

 –

        December 31, 2013

 181.3 

 

 181.3 

 

 115.7 

 

 7.1 

 

 58.5 

 

– 

 

 –

        December 31, 2014

 117.7 

 

 117.7 

 

 98.7 

 

 5.0 

 

 14.0 

 

– 

 

 –

        December 31, 2015

 129.6 

 

 129.6 

 

 113.0 

 

 4.1 

 

 12.5 

 

– 

 

 –

 

Natural Gas Liquids Reserves [Member]  
Reserve Quantities [Line Items]  
Summary of Proved Reserves Based on Average Prices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Millions of barrels)

Total

 

United
States

 

Canada

 

Malaysia

 

Proved developed and undeveloped NGL reserves:

 

 

 

 

 

 

 

 

December 31, 2012

 –

 

 –

 

 –

 

 –

 

Revisions of previous estimates

 15.7 

 

 15.6 

 

 –

 

 0.1 

 

Improved recovery

 –

 

 –

 

 –

 

 –

 

Extensions and discoveries

 10.0 

 

 8.7 

 

 0.1 

 

 1.2 

 

Production

 (1.3)

 

 (1.1)

 

 –

 

 (0.2)

 

December 31, 2013

 24.4 

 

 23.2 

 

 0.1 

 

 1.1 

 

Revisions of previous estimates

 5.1 

 

 5.0 

 

 –

 

 0.1 

 

Improved recovery

 –

 

 –

 

 –

 

 –

 

Extensions and discoveries

 4.7 

 

 4.0 

 

 0.6 

 

 0.1 

 

Sales of properties

 (0.2)

 

 –

 

 –

 

 (0.2)

 

Production

 (3.4)

 

 (3.1)

 

 –

 

 (0.3)

 

December 31, 2014

 30.6 

 

 29.1 

 

 0.7 

 

 0.8 

 

Revisions of previous estimates

 2.0 

 

 2.2 

 

 (0.3)

 

 0.1 

 

Improved recovery

 –

 

 –

 

 –

 

 –

 

Extensions and discoveries

 7.6 

 

 7.6 

 

 –

 

 –

 

Sales of properties

 (0.1)

 

 –

 

 –

 

 (0.1)

 

Production

 (3.7)

 

 (3.5)

 

 –

 

 (0.2)

 

     December 31, 2015

 36.4 

 

 35.4 

 

 0.4 

 

 0.6 

 

 

 

 

 

 

 

 

 

 

Proved developed NGL reserves:

 

 

 

 

 

 

 

 

        December 31, 2012

 –

 

 –

 

 –

 

 –

 

        December 31, 2013

 14.2 

 

 13.1 

 

 –

 

 1.1 

 

        December 31, 2014

 17.5 

 

 16.5 

 

 0.2 

 

 0.8 

 

        December 31, 2015

 21.6 

 

 20.7 

 

 0.3 

 

 0.6 

 

 

 

 

 

 

 

 

 

 

Proved undeveloped NGL reserves:

 

 

 

 

 

 

 

 

        December 31, 2012

 –

 

 –

 

 –

 

 –

 

        December 31, 2013

 10.2 

 

 10.1 

 

 0.1 

 

 –

 

        December 31, 2014

 13.1 

 

 12.6 

 

 0.5 

 

 –

 

        December 31, 2015

 14.8 

 

 14.7 

 

 0.1 

 

 –

 

 

Natural Gas Reserves [Member]  
Reserve Quantities [Line Items]  
Summary of Proved Reserves Based on Average Prices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Billions of cubic feet)

Total

 

United
States

 

Canada

 

Malaysia

 

United
Kingdom

Proved developed and undeveloped
    natural gas reserves:

 

 

 

 

 

 

 

 

 

December 31, 2012

 1,137.0 

 

 209.7 

 

 550.4 

 

 357.6 

 

 19.3 

Revisions of previous estimates

 33.7 

 

 (38.6)

 

 34.0 

 

 38.3 

 

– 

Improved recovery

 3.2 

 

– 

 

– 

 

 3.2 

 

– 

Extensions and discoveries

 153.4 

 

 33.3 

 

 42.5 

 

 77.6 

 

– 

Sales of properties

 (19.0)

 

– 

 

– 

 

– 

 

 (19.0)

Production

 (154.7)

 

 (19.4)

 

 (64.1)

 

 (70.9)

 

 (0.3)

December 31, 2013

 1,153.6 

 

 185.0 

 

 562.8 

 

 405.8 

 

– 

Revisions of previous estimates

 167.2 

 

 47.7 

 

 105.6 

 

 13.9 

 

– 

Improved recovery

 7.0 

 

 –

 

 –

 

 7.0 

 

– 

Extensions and discoveries

 696.8 

 

 24.1 

 

 231.5 

 

 441.2 

 

– 

Purchases of properties

 5.5 

 

 5.5 

 

 –

 

 –

 

– 

Sales of properties

 (162.6)

 

 (3.7)

 

 –

 

 (158.9)

 

– 

Production

 (162.8)

 

 (32.3)

 

 (57.1)

 

 (73.4)

 

– 

December 31, 2014

 1,704.7 

 

 226.3 

 

 842.8 

 

 635.6 

 

– 

Revisions of previous estimates

 53.5 

 

 (5.2)

 

 18.9 

 

 39.8 

 

– 

Improved recovery

 1.8 

 

 –

 

 –

 

 1.8 

 

– 

Extensions and discoveries

 162.9 

 

 43.2 

 

 119.7 

 

 –

 

– 

Sales of properties

 (78.0)

 

 –

 

 –

 

 (78.0)

 

– 

Production

 (156.1)

 

 (31.9)

 

 (71.8)

 

 (52.4)

 

– 

     December 31, 2015

 1,688.8 

 

 232.4 

 

 909.6 

 

 546.8 

 

– 

 

 

 

 

 

 

 

 

 

 

Proved developed natural gas reserves:

 

 

 

 

 

 

 

 

 

        December 31, 2012

 706.0 

 

 78.8 

 

 415.8 

 

 197.3 

 

 14.1 

        December 31, 2013

 786.2 

 

 112.6 

 

 384.0 

 

 289.6 

 

– 

        December 31, 2014

 812.1 

 

 145.6 

 

 467.4 

 

 199.1 

 

– 

        December 31, 2015

 783.5 

 

 148.3 

 

 453.5 

 

 181.7 

 

– 

 

 

 

 

 

 

 

 

 

 

Proved undeveloped natural gas reserves:

 

 

 

 

 

 

 

 

 

        December 31, 2012

 431.0 

 

 130.9 

 

 134.6 

 

 160.3 

 

 5.2 

        December 31, 2013

 367.4 

 

 72.4 

 

 178.8 

 

 116.2 

 

– 

        December 31, 2014

 892.6 

 

 80.7 

 

 375.4 

 

 436.5 

 

– 

        December 31, 2015

 905.3 

 

 84.1 

 

 456.1 

 

 365.1 

 

–