XML 67 R52.htm IDEA: XBRL DOCUMENT v3.6.0.2
Supplemental Oil and Gas Information (Tables)
 12 Months Ended
Dec. 31, 2016
Reserve Quantities [Line Items]  
Costs Incurred in Oil and Gas Property Acquisition, Exploration and Development Activities



 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

(Millions of dollars)

United
States

 

Canada

 

Malaysia

 

Other

 

Total

Year ended December 31, 2016

 

 

 

 

 

 

 

 

 

 

Property acquisition costs

 

 

 

 

 

 

 

 

 

 

        Unproved

$

 18.6 

 

– 

 

– 

 

– 

 

 18.6 

        Proved

 

– 

 

 206.7 

 

– 

 

– 

 

 206.7 

                Total acquisition costs

 

 18.6 

 

 206.7 

 

– 

 

– 

 

 225.3 

Exploration costs*

 

 18.5 

 

 3.6 

 

 6.0 

 

 42.0 

 

 70.1 

Development costs*

 

 239.7 

 

 165.1 

 

 102.9 

 

 0.3 

 

 508.0 

                Total costs incurred

 

 276.8 

 

 375.4 

 

 108.9 

 

 42.3 

 

 803.4 

Charged to expense

 

 

 

 

 

 

 

 

 

 

        Dry hole expense

 

 0.4 

 

– 

 

 4.5 

 

 10.2 

 

 15.1 

        Geophysical and other costs

 

 5.7 

 

 3.6 

 

 0.7 

 

 33.4 

 

 43.4 

                Total charged to expense

 

 6.1 

 

 3.6 

 

 5.2 

 

 43.6 

 

 58.5 

Property additions

$

 270.7 

 

 371.8 

 

 103.7 

 

 (1.3)

 

 744.9 

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 costs*

 

 166.8 

 

 0.7 

 

 69.0 

 

 135.4 

 

 371.9 

Development costs*

 

 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 costs*

 

 160.0 

 

 1.7 

 

 6.3 

 

 262.1 

 

 430.1 

Development costs*

 

 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 



*Includes noncash asset retirement costs as follows:



 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

             2016

 

 

 

 

 

 

 

 

 

 

              Exploration costs

$

– 

 

– 

 

– 

 

– 

 

– 

              Development costs

 

 0.9 

 

 10.5 

 

 2.3 

 

– 

 

 13.7 



$

 0.9 

 

 10.5 

 

 2.3 

 

– 

 

 13.7 

              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 



Results of Operations for Oil andGas Producing Activities



 

 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 



 

 

 

Canada

 

 

 

 

 

 



United

 

Conven-

 

 

 

 

 

 

 

 

(Millions of dollars)

States

 

tional

 

Synthetic

 

Malaysia

 

Other

 

Total

Year ended December 31, 2016

 

 

 

 

 

 

 

 

 

 

 

 

Revenues

 

 

 

 

 

 

 

 

 

 

 

 

    Crude oil and natural gas liquids sales

$

 650.7 

 

 171.7 

 

 60.7 

 

 623.7 

 

– 

 

 1,506.8 

    Natural gas sales

 

 35.1 

 

 130.0 

 

– 

 

 127.6 

 

 

 

 292.7 

            Total oil and gas revenues

 

 685.8 

 

 301.7 

 

 60.7 

 

 751.3 

 

– 

 

 1,799.5 

    Other operating revenues

 

 (0.1)

 

 (0.7)

 

 3.6 

 

 2.1 

 

 0.2 

 

 5.1 

            Total revenues

 

 685.7 

 

 301.0 

 

 64.3 

 

 753.4 

 

 0.2 

 

 1,804.6 

Costs and expenses

 

 

 

 

 

 

 

 

 

 

 

 

    Lease operating expenses

 

 218.6 

 

 102.6 

 

 69.8 

 

 168.4 

 

– 

 

 559.4 

    Severance and ad valorem taxes

 

 37.0 

 

 4.3 

 

 2.5 

 

– 

 

– 

 

 43.8 

    Exploration costs charged to expense

 

 6.1 

 

 3.6 

 

– 

 

 5.2 

 

 43.6 

 

 58.5 

    Undeveloped lease amortization

 

 38.4 

 

 4.5 

 

– 

 

– 

 

 0.5 

 

 43.4 

    Depreciation, depletion and amortization

 

 600.5 

 

 186.7 

 

 16.5 

 

 227.7 

 

 5.9 

 

 1,037.3 

    Accretion of asset retirement obligations

 

 17.1 

 

 10.9 

 

 2.4 

 

 16.3 

 

– 

 

 46.7 

    Impairment of assets

 

– 

 

 95.1 

 

– 

 

– 

 

– 

 

 95.1 

    Redetermination expense

 

– 

 

– 

 

– 

 

 39.1 

 

– 

 

 39.1 

    Deepwater rig contract exit benefit

 

 (4.3)

 

– 

 

– 

 

– 

 

– 

 

 (4.3)

    Selling and general expenses

 

 68.8 

 

 28.6 

 

 0.5 

 

 15.9 

 

 33.6 

 

 147.4 

    Other expenses (benefits)

 

 (3.2)

 

 7.5 

 

– 

 

 23.8 

 

 (9.9)

 

 18.2 

            Total costs and expenses

 

 979.0 

 

 443.8 

 

 91.7 

 

 496.4 

 

 73.7 

 

 2,084.6 

            Results of operations before taxes

 

 (293.3)

 

 (142.8)

 

 (27.4)

 

 257.0 

 

 (73.5)

 

 (280.0)

    Income tax expense (benefit)

 

 (87.9)

 

 (58.9)

 

 (75.4)

 

 85.9 

 

 (18.8)

 

 (155.1)

            Results of operations

$

 (205.4)

 

 (83.9)

 

 48.0 

 

 171.1 

 

 (54.7)

 

 (124.9)

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 expense

 

 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)

*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, 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 expenses

 

 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.

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, 2016

 

 

 

 

 

 

 

 

Future cash inflows

$

 9,477.9 

 

 3,752.7 

 

 4,318.7 

 

 17,549.3 

Future development costs

 

 (1,691.1)

 

 (1,143.6)

 

 (763.8)

 

 (3,598.5)

Future production costs

 

 (3,981.6)

 

 (2,329.7)

 

 (2,661.2)

 

 (8,972.5)

Future income taxes

 

 (118.9)

 

 (81.3)

 

 (73.3)

 

 (273.5)

        Future net cash flows

 

 3,686.3 

 

 198.1 

 

 820.4 

 

 4,704.8 

10% annual discount for estimated timing
    of cash flows

 

 (1,799.5)

 

 (95.0)

 

 (230.3)

 

 (2,124.8)

        Standardized measure of discounted
            future net cash flows

$

 1,886.8 

 

 103.1 

 

 590.1 

 

 2,580.0 

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 



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



 

 

 

 

 

 



 

 

 

 

 

 

(Millions of dollars)

 

2016

 

2015

 

2014

Net changes in prices and production costs

$

 (1,476.1)

 

 (11,365.5)

 

 (2,697.8)

Net changes in development costs

 

 544.9 

 

 591.4 

 

 (2,317.3)

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

 

 (1,196.3)

 

 (1,876.9)

 

 (4,076.0)

Net change due to extensions and discoveries

 

 280.5 

 

 1,145.8 

 

 3,251.6 

Net change due to purchases and sales of proved reserves

 

 (583.4)

 

 (287.4)

 

 (1,041.0)

Development costs incurred

 

 479.6 

 

 1,725.4 

 

 3,169.3 

Accretion of discount

 

 428.1 

 

 1,289.5 

 

 1,462.5 

Revisions of previous quantity estimates

 

 (49.2)

 

 163.3 

 

 518.9 

Net change in income taxes

 

 292.8 

 

 2,568.3 

 

 790.3 

       Net increase (decrease)

 

 (1,279.1)

 

 (6,046.1)

 

 (939.5)

Standardized measure at January 1

 

 3,859.1 

 

 9,905.2 

 

 10,844.7 

       Standardized measure at December 31

$

 2,580.0 

 

 3,859.1 

 

 9,905.2 



Capitalized Costs Relating to Oil and Gas Producing Activities



 

 

 

 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Millions of dollars)

United
States

 

Canada

 

Malaysia

 

Other

 

Subtotal

 

Synthetic
Oil –
Canada

 

Total

December 31, 2016

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unproved oil and gas properties

$

 360.8 

 

 315.6 

 

 47.0 

 

 125.6 

 

 849.0 

 

– 

 

 849.0 

Proved oil and gas properties

 

 9,384.6 

 

 4,241.6 

 

 6,147.8 

 

– 

 

 19,774.0 

 

– 

 

 19,774.0 

            Gross capitalized costs

 

 9,745.4 

 

 4,557.2 

 

 6,194.8 

 

 125.6 

 

 20,623.0 

 

– 

 

 20,623.0 

Accumulated depreciation,
    depletion and amortization

 

 

 

 

 

 

 

 

 

 

 

 

 

 

        Unproved oil and gas properties

 

 (151.2)

 

 (233.6)

 

– 

 

 (21.8)

 

 (406.6)

 

– 

 

 (406.6)

        Proved oil and gas properties

 

 (4,605.9)

 

 (2,877.2)

 

 (4,566.6)

 

– 

 

 (12,049.7)

 

– 

 

 (12,049.7)

            Net capitalized costs

$

 4,988.3 

 

 1,446.4 

 

 1,628.2 

 

 103.8 

 

 8,166.7 

 

– 

 

 8,166.7 

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 



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

 

Canada

Proved developed and
    undeveloped crude oil /
    synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

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 

Revisions of previous estimates

 (5.8)

 

 (5.8)

 

 (10.9)

 

 2.5 

 

 2.6 

 

 –

Extensions and discoveries

 11.0 

 

 11.0 

 

 8.6 

 

 –

 

 2.4 

 

 –

Purchases of properties

 26.3 

 

 26.3 

 

 –

 

 26.3 

 

 –

 

 –

Sales of properties

 (121.0)

 

 (7.8)

 

 (4.5)

 

 (3.3)

 

 –

 

 (113.2)

Production

 (37.7)

 

 (36.1)

 

 (17.7)

 

 (4.5)

 

 (13.9)

 

 (1.6)

     December 31, 2016

 329.0 

 

 329.0 

 

 214.4 

 

 48.9 

 

 65.7 

 

 –

Proved developed crude oil /
    synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

        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 

        December 31, 2016

 184.9 

 

 184.9 

 

 113.9 

 

 19.2 

 

 51.8 

 

 –

Proved undeveloped crude
    oil / synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

        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 

 

 –

        December 31, 2016

 144.1 

 

 144.1 

 

 100.5 

 

 29.7 

 

 13.9 

 

 –



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, 2013

 24.4 

 

 23.2 

 

 0.1 

 

 1.1 

 

Revisions of previous estimates

 5.1 

 

 5.0 

 

 –

 

 0.1 

 

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 

 

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 

 

Revisions of previous estimates

 1.6 

 

 1.2 

 

 0.2 

 

 0.2 

 

Extensions and discoveries

 2.9 

 

 2.8 

 

 0.1 

 

 –

 

Purchases of properties

 5.1 

 

 –

 

 5.1 

 

 –

 

Production

 (3.5)

 

 (3.0)

 

 (0.2)

 

 (0.3)

 

     December 31, 2016

 42.5 

 

 36.4 

 

 5.6 

 

 0.5 

 

Proved developed NGL reserves:

 

 

 

 

 

 

 

 

        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 

 

        December 31, 2016

 22.2 

 

 20.8 

 

 0.9 

 

 0.5 

 

Proved undeveloped NGL reserves:

 

 

 

 

 

 

 

 

        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 

 

 –

 

        December 31, 2016

 20.3 

 

 15.6 

 

 4.7 

 

 –

 



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

 

Proved developed and undeveloped
    natural gas reserves:

 

 

 

 

 

 

 

 

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 

 

Revisions of previous estimates

 43.3 

 

 0.1 

 

 45.3 

 

 (2.1)

 

Extensions and discoveries

 164.2 

 

 6.4 

 

 120.2 

 

 37.6 

 

Purchases of properties

 122.3 

 

 –

 

 122.3 

 

 –

 

Sales of properties

 (2.2)

 

 (0.1)

 

 (2.1)

 

 –

 

Production

 (138.4)

 

 (19.4)

 

 (76.4)

 

 (42.6)

 

     December 31, 2016

 1,878.0 

 

 219.4 

 

 1,118.9 

 

 539.7 

 

Proved developed natural gas reserves:

 

 

 

 

 

 

 

 

        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 

 

        December 31, 2016

 818.1 

 

 138.7 

 

 498.9 

 

 180.5 

 

Proved undeveloped natural gas reserves:

 

 

 

 

 

 

 

 

        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 

 

        December 31, 2016

 1,059.9 

 

 80.7 

 

 620.0 

 

 359.2