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ECOPETROL S.A. (EC) Form 6-K: Report of foreign private issuer, 2011

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ECOPETROL S.A. Form 6-K: Report of foreign private issuer

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

  • 2011-12-21: Form 6-K; Period of report 2011-12-21; Description FORM 6-K; Document v243695_6k.htm.
  • 2011-12-19: Form 6-K; Period of report 2011-12-19; Description FORM 6-K; Document v243237_6k.htm.
  • 2011-11-22: Form 6-K; Period of report 2011-11-21; Description 6-K; Document v241284_6k.htm.
  • 2011-10-25: Form 6-K; Period of report 2011-10-25; Description FORM 6-K; Document v237989_6k.htm.
FiledFormPeriod of reportDescriptionDocument
2011-12-216-K2011-12-21FORM 6-Kv243695_6k.htm
2011-12-196-K2011-12-19FORM 6-Kv243237_6k.htm
2011-11-226-K2011-11-216-Kv241284_6k.htm
2011-10-256-K2011-10-25FORM 6-Kv237989_6k.htm
2011-10-136-K2011-10-12FORM 6-Kv237063_6k.htm
2011-10-116-K2011-10-07FORM 6-Kv236794_6k.htm
2011-10-116-K2011-10-07FORM 6-Kv236795_6k.htm
2011-10-056-K2011-10-04FORM 6Kv236538_6k.htm
2011-10-036-K2011-09-30FORM 6-Kv236237_6k.htm
2011-09-266-K2011-09-23FORM 6-Kv235703_6k.htm
2011-09-206-K2011-09-20Report of foreign private issuerv235288_6k.htm
2011-08-256-K2011-08-24FORM 6-Kv233369_6k.htm
2011-08-046-K2011-08-03Report of foreign private issuerv230798_6k.htm
2011-07-296-K2011-07-28Report of foreign private issuerv230133_6k.htm
2011-07-266-K2011-07-26Report of foreign private issuerv229721_6k.htm
2011-07-226-K2011-07-22Report of foreign private issuerv229561_6k.htm
2011-07-226-K2011-07-21Report of foreign private issuerv229342_6k.htm
2011-07-186-K2011-07-15Report of foreign private issuerv228832_6k.htm
2011-07-066-K/A2011-07-05Report of foreign private issuerv227890_6ka.htm
2011-07-056-K2011-07-01Report of foreign private issuerv227768_6k.htm
2011-07-016-K2011-06-30Report of foreign private issuerv227644_6-k.htm
2011-06-296-K2011-06-28Report of foreign private issuerv226929_6-k.htm
2011-06-216-K2011-06-20Report of foreign private issuerv226506_6-k.htm
2011-05-276-K2011-05-26Report of foreign private issuerv223420_6-k.htm
2011-05-166-K2011-05-16Report of foreign private issuerv222782_6k.htm
2011-05-116-K2011-05-10Report of foreign private issuerv221881_6k.htm
2011-05-056-K2011-05-05Report of foreign private issuerv221000_6k.htm
2011-04-126-K2011-04-11Report of foreign private issuerv218175_6k.htm
2011-04-116-K2011-04-08Report of foreign private issuerv218062_6k.htm
2011-04-116-K2011-04-08Report of foreign private issuerv218061_6k.htm
2011-03-316-K2011-03-31Report of foreign private issuerv217042_6k.htm
2011-03-256-K2011-03-24Report of foreign private issuerv215978_6-k.htm
2011-03-226-K2011-03-21Report of foreign private issuerv215485_6-k.htm
2011-03-176-K2011-03-16Report of foreign private issuerv215019_6-k.htm
2011-03-146-K/A2011-03-14Report of foreign private issuerv214517_6ka.htm
2011-03-146-K2011-03-11Report of foreign private issuerv214469_6-k.htm
2011-03-086-K2011-03-08Report of foreign private issuerv213899_6-k.htm
2011-03-026-K2011-03-02Report of foreign private issuerv213283_6-k.htm
2011-03-016-K2011-02-28Report of foreign private issuerv213069_6-k.htm
2011-02-286-K2011-02-28Report of foreign private issuerv212846_6-k.htm
2011-02-246-K2011-02-24Report of foreign private issuerv212429_6-k.htm
2011-02-226-K2010-02-21Report of foreign private issuerv212159_6-k.htm
2011-01-246-K2011-01-24Report of foreign private issuerv208829_6-k.htm
2011-01-246-K2011-01-24Report of foreign private issuerv208796_6-k.htm
2011-01-246-K2011-01-21Report of foreign private issuerv208764_6-k.htm
2011-01-036-K2010-12-30Report of foreign private issuerv206972_6-k.htm
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