GST » Topics » Drilling Activity

These excerpts taken from the GST 10-K filed Mar 16, 2009.

Drilling Activity

The following table shows our drilling activity for the periods indicated. In the table, “gross” wells refer to wells in which we have a working interest, and “net” wells refer to gross wells multiplied by our working interest in such wells. “Under evaluation” wells are CBM wells for which permanent equipment was installed for the production of natural gas or oil but that as of each respective period end were in the process of de-watering.

 

     For the Years Ended
December 31,
     2008    2007
     Gross    Net    Gross    Net

Exploratory wells:

           

Productive

   9    7.2    4    2.2

Non-productive

   —      —      1    0.3

Under evaluation

   —      —      10    7.5
                   

Total

   9    7.2    15    10.0
                   

Development wells:

           

Productive

   9    4.6    31    14.8

Non-productive

   —      —      —      —  
                   

Total

   9    4.6    31    14.8
                   

 

31


Table of Contents
Index to Financial Statements


Drilling Activity

The following table shows our drilling activity for the periods indicated. In the table, “gross” wells
refer to wells in which we have a working interest, and “net” wells refer to gross wells multiplied by our working interest in such wells. “Under evaluation” wells are CBM wells for which permanent equipment was installed for the
production of natural gas or oil but that as of each respective period end were in the process of de-watering.

 










































































































































































   For the Years Ended
December 31,
   2008  2007
   Gross  Net  Gross  Net

Exploratory wells:

        

Productive

  9  7.2  4  2.2

Non-productive

  —    —    1  0.3

Under evaluation

  —    —    10  7.5
            

Total

  9  7.2  15  10.0
            

Development wells:

        

Productive

  9  4.6  31  14.8

Non-productive

  —    —    —    —  
            

Total

  9  4.6  31  14.8
            

 


31







Table of Contents


Index to Financial Statements


These excerpts taken from the GST 10-K filed Mar 17, 2008.

Drilling Activity

The following table shows our drilling activity for the periods indicated. In the table, “gross” wells refer to wells in which we have a working interest, and “net” wells refer to gross wells multiplied by our working interest in such wells. “Undecided” wells are CBM wells for which permanent equipment was installed for the production of natural gas or oil but that as of each respective period end were in the process of de-watering.

 

     For the Years Ended
December 31,
     2007    2006
     Gross    Net    Gross    Net

Exploratory wells:

           

Productive

   4    2.2    4    2.3

Non-productive

   1    0.3    1    0.3

Under evaluation

   10    7.5    9    3.2
                   

Total

   15    10.0    14    5.8
                   

Development wells:

           

Productive

   31    14.8    43    19.5

Non-productive

   —      —      —      —  
                   

Total

   31    14.8    43    19.5
                   

 

31


Table of Contents
Index to Financial Statements


Drilling Activity

The following table shows our drilling activity for the periods indicated. In the table,
“gross” wells refer to wells in which we have a working interest, and “net” wells refer to gross wells multiplied by our working interest in such wells. “Undecided” wells are CBM wells for which permanent equipment was
installed for the production of natural gas or oil but that as of each respective period end were in the process of de-watering.

 










































































































































































   For the Years Ended
December 31,
   2007  2006
   Gross  Net  Gross  Net

Exploratory wells:

        

Productive

  4  2.2  4  2.3

Non-productive

  1  0.3  1  0.3

Under evaluation

  10  7.5  9  3.2
            

Total

  15  10.0  14  5.8
            

Development wells:

        

Productive

  31  14.8  43  19.5

Non-productive

  —    —    —    —  
            

Total

  31  14.8  43  19.5
            

 


31







Table of Contents


Index to Financial Statements


This excerpt taken from the GST 10-K filed Mar 27, 2007.

Drilling Activity

The following table shows our drilling activity for the periods indicated. In the table, “gross” wells refer to wells in which we have a working interest, and “net” wells refer to gross wells multiplied by our working interest in such wells. “Undecided” wells are wells for which permanent equipment was installed for the production of natural gas or oil but that as of each respective period end were in the process of de-watering.

 

     For the Years Ended
December 31,
     2006    2005
     Gross    Net    Gross    Net

Exploratory wells:

           

Productive

   4    2.3    4    3.9

Non-productive

   1    0.3    1    1.0

Undecided

   9    3.2    3    1.9
                   

Total

   14    5.8    8    6.8
                   

Development wells:

           

Productive

   43    19.5    82    36.0

Non-productive

   —      —      —      —  
                   

Total

   43    19.5    82    36.0
                   

 

25


Table of Contents
Index to Financial Statements
This excerpt taken from the GST 10-K filed Mar 31, 2006.

Drilling Activity

The following table shows our drilling activity for the periods indicated. In the table, “gross” wells refer to wells in which we have a working interest, and “net” wells refer to gross wells multiplied by our working interest in such wells. “Undecided” wells are wells for which permanent equipment was installed for the production of natural gas or oil but that as of each respective period end were in the process of de-watering.

 

      For the Years Ended
December 31,
     2005    2004
     Gross    Net    Gross    Net

Exploratory wells:

           

Productive

   3    2.9    2    1.3

Non-productive

   1    1.0    —      —  

Undecided

   3    1.9    3    1.5
                   

Total

   7    5.8    5    2.8
                   

Development wells:

           

Productive

   82    36.0    113    25.7

Non-productive

   —      —      —      —  

Undecided

   —      —      5    1.1
                   

Total

   82    36.0    118    26.8
                   
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