股本结构
单位：万股
| 公告日期 | 2011-03-15 | 2011-03-15 | 2010-11-05 | 2010-11-05 | 2010-08-05 | 2010-08-05 |
|---|---|---|---|---|---|---|
| 证券总股本 | 0.10 | 7372.23 | 7342.67 | 7343.07 | 7241.57 | 7241.89 |
| 普通股本 | 0.10 | 7372.23 | 7342.67 | 7343.07 | 7241.57 | 7241.89 |
| 优先股 | 未披露 | 3.64 | 未披露 | 3.64 | 未披露 | 3.64 |
| 其他 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 变动日期 | 2011-03-01 | 2010-12-31 | 2010-11-01 | 2010-09-30 | 2010-08-04 | 2010-06-30 |
注释：中概股证券总股本=普通股股本/
存托凭证比例
历史变动
| 公告日期 | 变动后普通股本（万股） | 变动后优先股（万股） | 变动原因 | 变动日期 |
|---|---|---|---|---|
| 2011-03-15 | 0.10 | 未披露 | 定期报告 | 2011-03-01 |
| 2011-03-15 | 7372.23 | 3.64 |
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from December 31, 2009 to December 31, 2010
Business acquisition
Issuance under stock plans
|
2010-12-31 |
| 2010-11-05 | 7342.67 | 未披露 | 定期报告 | 2010-11-01 |
| 2010-11-05 | 7343.07 | 3.64 | 定期报告 | 2010-09-30 |
| 2010-08-05 | 7241.57 | 未披露 | 定期报告 | 2010-08-04 |
| 2010-08-05 | 7241.89 | 3.64 | 定期报告 | 2010-06-30 |
| 2010-05-07 | 7242.99 | 未披露 | 定期报告 | 2010-05-03 |
| 2010-05-07 | 7214.91 | 3.64 | 定期报告 | 2010-03-31 |
| 2010-03-09 | 7145.99 | 未披露 | 定期报告 | 2010-02-26 |
| 2010-03-09 | 7137.85 | 3.64 |
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from December 31, 2008 to December 31, 2009
Rights offering, net of offering costs
Issuance under stock plans
|
2009-12-31 |
| 2009-03-09 | 3567.47 | 未披露 |
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from December 31, 2007 to December 31, 2008
Issuance under stock plans
|
2008-12-31 |
| 2008-03-07 | 3513.09 | 未披露 | 定期报告 | 2008-02-29 |
| 2008-03-07 | 3511.60 | 未披露 |
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from December 31, 2006 to December 31, 2007
Issuance of common stock:
Secondary public offering, net of offering costs
Issuance under stock plans
|
2007-12-31 |
| 2007-03-15 | 3425.14 | 未披露 | 定期报告 | 2007-03-01 |
| 2007-03-15 | 2823.34 | 未披露 |
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from December 31, 2005 to December 31, 2006
Issuance of common stock:
Acquisitions
Secondary public offering, net of offering costs
Stock options and warrants exercised
|
2006-12-31 |
| 2006-03-22 | 1722.31 | 未披露 | 定期报告 | 2006-03-14 |
| 2006-03-22 | 1686.00 | 未披露 |
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from December 31, 2004 to December 31, 2005
Issuance of common stock:
Acquisitions
Secondary public offering
Stock options and warrants exercised
|
2005-12-31 |
| 2005-04-14 | 1385.28 | 未披露 | 定期报告 | 2005-04-12 |
| 2005-04-14 | 1361.15 | 未披露 |
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from December 31, 2003 to December 31, 2004
Issuance of common stock in connection with the $2 million equity raise
Issuance of common stock in Connection with the $16.4 million equity raise
Issuance of common stock in connection With the 19% conversion of Jens
Conversion of preferred stock
Issuance of common stock for services
Issuance of common stock for Purchase of Downhole Injector Systems
|
2004-12-31 |
from December 31, 2009 to December 31, 2010
Business acquisition
Issuance under stock plans
from December 31, 2008 to December 31, 2009
Rights offering, net of offering costs
Issuance under stock plans
from December 31, 2007 to December 31, 2008
Issuance under stock plans
from December 31, 2006 to December 31, 2007
Issuance of common stock:
Secondary public offering, net of offering costs
Issuance under stock plans
from December 31, 2005 to December 31, 2006
Issuance of common stock:
Acquisitions
Secondary public offering, net of offering costs
Stock options and warrants exercised
from December 31, 2004 to December 31, 2005
Issuance of common stock:
Acquisitions
Secondary public offering
Stock options and warrants exercised
from December 31, 2003 to December 31, 2004
Issuance of common stock in connection with the $2 million equity raise
Issuance of common stock in Connection with the $16.4 million equity raise
Issuance of common stock in connection With the 19% conversion of Jens
Conversion of preferred stock
Issuance of common stock for services
Issuance of common stock for Purchase of Downhole Injector Systems