EC Form 6-K: Report of foreign private issuer, 2013

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.

2013-12-20: Form 6-K; Period of report 2013-12-20; Description FORM 6-K; Document v363551_6k.htm.
2013-12-16: Form 6-K; Period of report 2013-12-13; Description FORM 6-K; Document v363088_6k.htm.
2013-12-12: Form 6-K; Period of report 2013-12-12; Description FORM 6-K; Document v362791_6k.htm.
2013-12-09: Form 6-K; Period of report 2013-12-09; Description REPORT OF FOREIGN PRIVATE ISSUER; Document v362482_6k.htm.

Filed	Form	Period of report	Description	Document
2013-12-20	6-K	2013-12-20	FORM 6-K	v363551_6k.htm
2013-12-16	6-K	2013-12-13	FORM 6-K	v363088_6k.htm
2013-12-12	6-K	2013-12-12	FORM 6-K	v362791_6k.htm
2013-12-09	6-K	2013-12-09	REPORT OF FOREIGN PRIVATE ISSUER	v362482_6k.htm
2013-12-05	6-K	2013-12-05	6-K	v362266_6k.htm
2013-12-02	6-K	2013-12-02	FORM 6-K	v361903_6k.htm
2013-11-13	6-K	2013-11-12	FORM 6-K	v360452_6k.htm
2013-11-13	6-K	2013-11-13	FORM 6-K	v360414_6k.htm
2013-11-01	6-K	2013-10-31	FORM 6-K	v358790_6k.htm
2013-09-26	6-K	2013-09-26	FORM 6-K	v355872_6k.htm
2013-09-18	6-K	2013-09-18	FORM 6-K	v355310_6k.htm
2013-09-17	6-K	2013-09-17	FORM 6-K	v355126_6k.htm
2013-09-11	6-K	2013-09-11	FORM 6-K	v354820_6k.htm
2013-08-30	6-K	2013-08-30	FORM 6-K	v354174_6k.htm
2013-08-30	6-K	2013-08-29	FORM 6-K	v354083_6k.htm
2013-08-28	6-K	2013-08-28	FORM 6-K	v353886_6k.htm
2013-08-27	6-K	2013-08-27	FORM 6-K	v353801_6k.htm
2013-08-08	6-K	2013-08-08	CURRENT REPORT	v352423_6k.htm
2013-08-06	6-K	2013-08-05	FORM 6-K	v351992_6k.htm
2013-08-01	6-K	2013-07-31	FORM 6-K	v351566_6k.htm
2013-07-26	6-K	2013-07-26	FORM 6-K	v350834_6k.htm
2013-07-18	6-K	2013-07-18	FORM 6-K	v350293_6k.htm
2013-07-08	6-K	2013-07-05	FORM 6-K	v349498_6k.htm
2013-06-24	6-K	2013-06-24	FORM 6-K	v348482_6k.htm
2013-06-14	6-K	2013-06-14	FORM 6-K	v347758_6k.htm
2013-05-28	6-K	2013-05-28	FORM 6-K	v346284_6k.htm
2013-05-16	6-K	2013-05-15	FORM 6-K	v345372_6k.htm
2013-05-10	6-K	2013-05-09	CURRENT REPORT	v344555_6k.htm
2013-05-06	6-K	2013-05-06	FORM 6-K	v343931_6k.htm
2013-04-29	6-K	2013-04-29	REPORT OF FOREIGN PRIVATE ISSUER	v343001_6k.htm
2013-04-26	6-K	2013-04-26	FORM 6-K	v342885_6k.htm
2013-04-19	6-K	2013-04-19	6-K	v341914_6k.htm
2013-04-02	6-K	2013-04-01	FORM 6-K	v339550_6k.htm
2013-04-02	6-K	2013-04-01	FORM 6-K	v340198_6k.htm
2013-03-27	6-K	2013-03-26	6-K	v339550_6k.htm
2013-03-22	6-K	2013-03-21	6-K	v338955_6k.htm
2013-03-22	6-K	2013-03-21	6-K	v338952_6k.htm
2013-03-22	6-K	2013-03-21	6-K	v338950_6k.htm
2013-03-11	6-K	2013-03-08	CURRENT REPORT	v337695_6k.htm
2013-02-25	6-K	2013-02-25	FORM 6-K	v336099_6k.htm
2013-02-25	6-K	2013-02-25	FORM 6-K	v335969_6k.htm
2013-02-22	6-K	2013-02-22	FORM 6-K	v335969_6k.htm
2013-02-19	6-K	2013-02-19	FORM 6-K	v355648_6k.htm
2013-02-19	6-K	2013-02-19	CURRENT REPORT	v335550_6k.htm
2013-02-19	6-K	2013-02-15	FORM 6-K	v333227_6k.htm
2013-02-06	6-K	2013-02-06	FORM 6-K	v334153_6k.htm
2013-01-29	6-K	2013-01-29	FORM 6-K	v333227_6k.htm
2013-01-22	6-K	2013-01-22	FORM 6-K	v332677_6k.htm