XML 128 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9
Supplemental Oil and Gas Information (Tables)
 12 Months Ended
Dec. 31, 2014
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

 

Other2

 

Total

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 costs3

 
160.0 

 
1.7 

 
6.3 

 

– 

 
262.1 

 
430.1 

Development costs3

 
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 costs3

 
112.4 

 
21.8 

 
14.9 

 

– 

 
344.6 

 
493.7 

Development costs3

 
1,773.2 

 
351.6 

 
1,787.7 

4  
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 

Year Ended December 31, 2012

 

 

 

 

 

 

 

 

 

 

 

 

Property acquisition costs

 

 

 

 

 

 

 

 

 

 

 

 

        Unproved

$
107.7 

 
14.6 

 

– 

 

– 

 
10.2 

 
132.5 

        Proved

 
69.1 

 
242.4 

 

– 

 

– 

 

– 

 
311.5 

                Total acquisition costs

 
176.8 

 
257.0 

 

– 

 

– 

 
10.2 

 
444.0 

Exploration costs3

 
174.5 

 
57.0 

 
68.8 

 
(1.0)

 
148.7 

 
448.0 

Development costs3

 
1,352.7 

 
664.5 

 
1,433.7 

 
46.6 

 
24.2 

 
3,521.7 

                Total costs incurred

 
1,704.0 

 
978.5 

 
1,502.5 

 
45.6 

 
183.1 

 
4,413.7 

Charged to expense

 

 

 

 

 

 

 

 

 

 

 

 

        Dry hole expense

 
32.3 

 
8.0 

 
26.1 

 
(0.8)

 
115.5 

 
181.1 

        Geophysical and other costs

 
19.6 

 
2.5 

 
1.1 

 
(0.2)

 
46.0 

 
69.0 

                Total charged to expense

 
51.9 

 
10.5 

 
27.2 

 
(1.0)

 
161.5 

 
250.1 

Property additions

$
1,652.1 

 
968.0 

 
1,475.3 

 
46.6 

 
21.6 

 
4,163.6 

 

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

Due to the shutdown of production operations in Republic of the Congo, the Company now includes the result of these operations in the Other exploration and production segment in the above table.

3

Includes non-cash asset retirement costs as follows:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 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 

2012

 

 

 

 

 

 

 

 

 

 

 

 

Exploration costs

$
(1.7)

 
0.1 

 

 –

 

– 

 

– 

 
(1.6)

Development costs

 
37.9 

 
80.7 

 
48.6 

 
(11.5)

 
17.6 

 
173.3 

 

$
36.2 

 
80.8 

 
48.6 

 
(11.5)

 
17.6 

 
171.7 

 

4

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

 

Other2

 

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 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 

 

1

Results exclude corporate overhead, interest and discontinued operations.

2

Due to the shutdown of production operations in Republic of the Congo, the Company now includes the results of these operations in the Other exploration and production segment in the above tables.

Schedule 5 – Results of Operations for Oil and Gas Producing Activities1 – Continued

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Canada

 

 

 

 

 

 

 

United

 

Conven-

 

 

 

 

 

 

 

 

(Millions of dollars)

States

 

tional

 

Synthetic

 

Malaysia

 

Other2

 

Total

Year Ended December 31, 2012

 

 

 

 

 

 

 

 

 

 

 

 

Revenues

 

 

 

 

 

 

 

 

 

 

 

 

    Crude oil and natural gas liquids sales

$
976.1 

 
411.7 

 
463.1 

 
1,946.0 

 
57.6 

 
3,854.5 

    Natural gas sales

 
54.2 

 
209.8 

 

– 

 
481.1 

 

– 

 
745.1 

            Total oil and gas revenues

 
1,030.3 

 
621.5 

 
463.1 

 
2,427.1 

 
57.6 

 
4,599.6 

    Other operating revenues

 
7.7 

 
(0.9)

 
0.6 

 
1.0 

 
0.1 

 
8.5 

            Total revenues

 
1,038.0 

 
620.6 

 
463.7 

 
2,428.1 

 
57.7 

 
4,608.1 

 

 

 

 

 

 

 

 

 

 

 

 

 

Costs and expenses

 

 

 

 

 

 

 

 

 

 

 

 

    Lease operating expenses

 
225.4 

 
163.7 

 
219.0 

 
422.7 

 
48.4 

 
1,079.2 

    Severance and ad valorem taxes

 
27.0 

 
3.5 

 
5.1 

 

– 

 

– 

 
35.6 

    Exploration costs charged to expense

 
51.9 

 
10.5 

 

– 

 
27.2 

 
161.5 

 
251.1 

    Undeveloped lease amortization

 
71.6 

 
29.3 

 

– 

 

– 

 
28.9 

 
129.8 

    Depreciation, depletion and amortization

 
330.2 

 
290.5 

 
55.3 

 
532.1 

 
36.3 

 
1,244.4 

    Accretion of asset retirement obligations

 
11.4 

 
5.1 

 
8.5 

 
12.5 

 
0.9 

 
38.4 

    Impairment of assets

 

– 

 

– 

 

– 

 

– 

 
200.0 

 
200.0 

    Selling and general expenses

 
52.7 

 
19.7 

 
0.9 

 
(5.3)

 
51.6 

 
119.6 

            Total costs and expenses

 
770.2 

 
522.3 

 
288.8 

 
989.2 

 
527.6 

 
3,098.1 

            Results of operations before taxes

 
267.8 

 
98.3 

 
174.9 

 
1,438.9 

 
(469.9)

 
1,510.0 

    Income tax expense (benefit)

 
99.8 

 
25.1 

 
40.0 

 
544.7 

 
(104.6)

 
605.0 

            Results of operations

$
168.0 

 
73.2 

 
134.9 

 
894.2 

 
(365.3)

 
905.0 

 

 

1

Results exclude corporate overhead, interest and discontinued operations.

2

Due to the shutdown of production operations in Republic of the Congo, the Company now includes the results of these operations in the Other exploration and production segment in the above table.
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Millions of dollars)

United
States

 

Canada

 

Malaysia

 

United
Kingdom

 

Total

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 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2012

 

 

 

 

 

 

 

 

 

 

Future cash inflows

$
15,547.5 

 
15,511.6 

 
10,354.9 

 
2,395.2 

 
43,809.2 

Future development costs

 
(3,731.6)

 
(1,815.2)

 
(966.9)

 
(273.2)

 
(6,786.9)

Future production costs

 
(3,466.6)

 
(7,336.4)

 
(3,143.4)

 
(738.3)

 
(14,684.7)

Future income taxes

 
(2,527.6)

 
(1,714.9)

 
(1,675.9)

 
(872.7)

 
(6,791.1)

        Future net cash flows

 
5,821.7 

 
4,645.1 

 
4,568.7 

 
511.0 

 
15,546.5 

10% annual discount for estimated timing
    of cash flows

 
(2,862.1)

 
(2,876.5)

 
(1,322.9)

 
(372.2)

 
(7,433.7)

        Standardized measure of discounted
            future net cash flows

$
2,959.6 

 
1,768.6 

 
3,245.8 

 
138.8 

 
8,112.8 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Millions of dollars)

 

2014

 

2013

 

2012

Net changes in prices and production costs

$
(2,697.8)

 
267.8 

 
(2,461.1)

Net changes in development costs

 
(2,317.3)

 
(3,456.8)

 
(3,860.1)

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

 
(4,076.0)

 
(3,972.4)

 
(3,493.3)

Net change due to extensions and discoveries

 
3,251.6 

 
4,608.9 

 
4,466.3 

Net change due to purchases and sales of proved reserves

 
(1,041.0)

 
(135.6)

 
347.4 

Development costs incurred

 
3,169.3 

 
3,326.8 

 
3,299.0 

Accretion of discount

 
1,462.5 

 
1,109.3 

 
1,153.5 

Revisions of previous quantity estimates

 
518.9 

 
1,646.0 

 
728.1 

Net change in income taxes

 
790.3 

 
(662.1)

 
9.8 

       Net increase (decrease)

 
(939.5)

 
2,731.9 

 
189.6 

Standardized measure at January 1

 
10,844.7 

 
8,112.8 

 
7,923.2 

       Standardized measure at December 31

$
9,905.2 

 
10,844.7 

 
8,112.8 

 

Capitalized Costs Relating to Oil and Gas Producing Activities

(Millions of dollars)

United
States

 

Canada

 

Malaysia

 

Other*

 

Subtotal

 

Synthetic
Oil –
Canada

 

Total

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 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2013

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unproved oil and gas properties

$
723.6 

 
475.9 

 
233.5 

 
165.0 

 
1,598.0 

 

– 

 
1,598.0 

Proved oil and gas properties

 
5,816.9 

 
4,529.9 

 
7,636.6 

 
737.8 

 
18,721.2 

 
1,493.5 

 
20,214.7 

            Gross capitalized costs

 
6,540.5 

 
5,005.8 

 
7,870.1 

 
902.8 

 
20,319.2 

 
1,493.5 

 
21,812.7 

Accumulated depreciation,
    depletion and amortization

 

 

 

 

 

 

 

 

 

 

 

 

 

 

        Unproved oil and gas properties

 
(178.1)

 
(248.5)

 

– 

 
(91.7)

 
(518.3)

 

– 

 
(518.3)

        Proved oil and gas properties

 
(2,171.1)

 
(2,006.8)

 
(2,576.4)

 
(737.8)

 
(7,492.1)

 
(417.6)

 
(7,909.7)

            Net capitalized costs

$
4,191.3 

 
2,750.5 

 
5,293.7 

 
73.3 

 
12,308.8 

 
1,075.9 

 
13,384.7 

 

*Due to the shutdown of production operations in Republic of the Congo, the Company now includes the results of these operations in the Other exploration and production segment in the above table.

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

 

Other

 

Canada

Proved developed and
    undeveloped crude oil /
    synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2011
349.7 

 
220.2 

 
55.3 

 
36.6 

 
104.4 

 
21.6 

 
2.3 

 
129.5 

Revisions of previous estimates
2.3 

 
7.6 

 
13.0 

 
(3.4)

 
(0.7)

 
0.3 

 
(1.6)

 
(5.3)

Improved recovery
7.2 

 
7.2 

 

– 

 

– 

 
7.2 

 

– 

 

– 

 

– 

Extensions and discoveries
84.0 

 
84.0 

 
77.3 

 
2.9 

 
3.8 

 

– 

 

– 

 

– 

Purchases of properties
12.5 

 
12.5 

 
6.5 

 
6.0 

 

– 

 

– 

 

– 

 

– 

Production
(40.9)

 
(35.8)

 
(9.5)

 
(5.3)

 
(19.0)

 
(1.3)

 
(0.7)

 
(5.1)

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 

 

– 

 

– 

 

– 

Purchases 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 

 
0.0 

 

– 

 
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 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Proved developed crude oil /
    synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

        December 31, 2011
238.5 

 
118.0 

 
20.8 

 
32.6 

 
57.2 

 
5.1 

 
2.3 

 
120.5 

        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 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Proved undeveloped crude
    oil / synthetic oil reserves:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

        December 31, 2011
111.2 

 
102.2 

 
34.5 

 
4.0 

 
47.2 

 
16.5 

 

– 

 
9.0 

        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 

 

– 

 

– 

 

 –

 

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, 2011

 –

 

 –

 

 –

 

 –

 

Revisions of previous estimates
0.3 

 

 –

 

 –

 
0.3 

 

Improved recovery

 –

 

 –

 

 –

 

 –

 

Extensions and discoveries

 –

 

 –

 

 –

 

 –

 

Production
(0.3)

 

 –

 

 –

 
(0.3)

 

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 

 

 

 

 

 

 

 

 

 

 

Proved developed NGL reserves:

 

 

 

 

 

 

 

 

        December 31, 2011

 –

 

 –

 

 –

 

 –

 

        December 31, 2012

 –

 

 –

 

 –

 

 –

 

        December 31, 2013
14.2 

 
13.1 

 

 –

 
1.1 

 

        December 31, 2014
17.5 

 
16.5 

 
0.2 

 
0.8 

 

 

 

 

 

 

 

 

 

 

Proved undeveloped NGL reserves:

 

 

 

 

 

 

 

 

        December 31, 2011

 –

 

 –

 

 –

 

 –

 

        December 31, 2012

 –

 

 –

 

 –

 

 –

 

        December 31, 2013
10.2 

 
10.1 

 
0.1 

 

– 

 

        December 31, 2014
13.1 

 
12.6 

 
0.5 

 

– 

 

 

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, 2011
1,106.1 

 
98.4 

 
638.9 

 
347.8 

 
21.0 

Revisions of previous estimates
20.2 

 
16.5 

 
(37.2)

 
41.4 

 
(0.5)

Improved recovery
7.2 

 

– 

 

– 

 
7.2 

 

– 

Extensions and discoveries
173.5 

 
107.2 

 
25.8 

 
40.5 

 

– 

Purchases of properties
9.4 

 
7.0 

 
2.4 

 

– 

 

– 

Production
(179.4)

 
(19.4)

 
(79.5)

 
(79.3)

 
(1.2)

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 

 

– 

 

 

 

 

 

 

 

 

 

 

Proved developed natural gas reserves:

 

 

 

 

 

 

 

 

 

        December 31, 2011
711.6 

 
58.2 

 
427.1 

 
210.5 

 
15.8 

        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 

 

– 

 

 

 

 

 

 

 

 

 

 

Proved undeveloped natural gas reserves:

 

 

 

 

 

 

 

 

 

        December 31, 2011
394.5 

 
40.2 

 
211.8 

 
137.3 

 
5.2 

        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 

 

–