EDGAR Filing Documents for 0001144204-11-040868

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]:

SEC Accession No. 0001144204-11-040868

Filing Date

2011-07-15

Accepted

2011-07-15 17:26:46

Documents

Period of Report

2010-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	ANNUAL REPORT PURSUANT TO SECTION 13 OF THE SECURITIES EXCHANGE ACT OF 1934	v228285_20f.htm	20-F	10041753
2	GRAPHIC	pg28.jpg	GRAPHIC	404451
3	GRAPHIC	pg30.jpg	GRAPHIC	182448
4	GRAPHIC	pg51.jpg	GRAPHIC	233924
5	GRAPHIC	pwc.jpg	GRAPHIC	2773
6	STATUTORY REFORM	v228285_ex1-2.htm	EX-1.2	31952
7	LIST OF SUBSIDIARIES OF ECOPETROL S.A.	v228285_ex8-1.htm	EX-8.1	61169
8	SECTION 302 CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER.	v228285_ex12-1.htm	EX-12.1	13783
9	SECTION 302 CERTIFICATION OF THE CHIEF FINANCIAL OFFICER.	v228285_ex12-2.htm	EX-12.2	14786
10	SECTION 906 OFFICER CERTIFICATION.	v228285_ex13-1.htm	EX-13.1	7193
11	PRICEWATERHOUSECOOPER'S LETTER	v228285_ex16-1.htm	EX-16.1	5566
12	GRAPHIC	ex16-1logo.jpg	GRAPHIC	2063
13	CONSENT OF PRICEWATERHOUSECOOPERS LTDA.	v228285_ex23-1.htm	EX-23.1	4029
14	CONSENT OF RYDER SCOTT	v228285_ex23-2.htm	EX-23.2	8731
15	GRAPHIC	ex232header.jpg	GRAPHIC	11245
16	GRAPHIC	ex232logo.jpg	GRAPHIC	4513
17	CONSENT OF GAFFNEY, CLINE & ASSOCIATES	v228285_ex23-3.htm	EX-23.3	12727
18	GRAPHIC	gca-logo.jpg	GRAPHIC	8848
19	CONSENT OF DEGOLYER AND MACNAUGHTON	v228285_ex23-4.htm	EX-23.4	8143
20	THIRD PARTY RESERVE REPORT OF RYDER SCOTT	v228285_ex99-1.htm	EX-99.1	152418
21	GRAPHIC	rs-logo.jpg	GRAPHIC	11880
22	THIRD PARTY RESERVE REPORT OF GAFFNEY, CLINE & ASSOCIATES	v228285_ex99-2.htm	EX-99.2	82901
23	THIRD PARTY RESERVE REPORT OF DEGOLYER AND MACNAUGHTON.	v228285_ex99-3.htm	EX-99.3	102439
	Complete submission text file	0001144204-11-040868.txt		11737627

Mailing Address CARRERA 7 NO 37-69 BOGOTA F8 00000

Business Address CARRERA 7 NO 37-69 BOGOTA F8 00000 5712345000