Company · CIK 895450 # WILLBROS GROUP INC | CIK | [895450](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000895450) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 1389 — Oil & Gas Field Services, NEC | | Incorporated in | R1 | | Business address | Panama | | Listed | no ticker on SEC record today | | First annual or quarterly report | 1996-11-13 | ## Offerings 5 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-101448 | Shelf Effective | 2002-11-25 | 2009-03-11 | 2 | | 333-115963 | Shelf Effective | 2004-05-28 | 2009-03-11 | 2 | | 333-135540 | Registered company Effective | 2006-06-30 | 2009-03-11 | 6 | | 333-147123 | Shelf Effective | 2007-11-02 | 2009-03-11 | 4 | | 333-139499 | Registered company Effective | 2006-12-20 | 2008-01-15 | 4 | ## Filings 20 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2009-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999509000573/9999999995-09-000573-index.htm) Declared effective | 333-96201 | 9999999995-09-000573 | | 2009-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999509000572/9999999995-09-000572-index.htm) Declared effective | 333-63096 | 9999999995-09-000572 | | 2009-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999509000560/9999999995-09-000560-index.htm) Declared effective | 333-147123 | 9999999995-09-000560 | | 2009-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999509000559/9999999995-09-000559-index.htm) Declared effective | 333-135540 | 9999999995-09-000559 | | 2009-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999509000558/9999999995-09-000558-index.htm) Declared effective | 333-115963 | 9999999995-09-000558 | | 2009-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999509000557/9999999995-09-000557-index.htm) Declared effective | 333-101448 | 9999999995-09-000557 | | 2008-01-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999508000147/9999999995-08-000147-index.htm) Declared effective | 333-139499 | 9999999995-08-000147 | | 2008-01-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999508000146/9999999995-08-000146-index.htm) Declared effective | 333-135540 | 9999999995-08-000146 | | 2007-11-15 | [424B5](https://www.sec.gov/Archives/edgar/data/895450/000095012907005691/0000950129-07-005691-index.htm) Shelf takedown | 333-147123 | 0000950129-07-005691 | | 2007-11-05 | [424B5](https://www.sec.gov/Archives/edgar/data/895450/000095012907005292/0000950129-07-005292-index.htm) Shelf takedown | 333-147123 | 0000950129-07-005292 | | 2007-11-02 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/895450/000095012907005277/0000950129-07-005277-index.htm) Shelf registered | 333-147123 | 0000950129-07-005277 | | 2007-05-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999507001758/9999999995-07-001758-index.htm) Declared effective | 333-139499 | 9999999995-07-001758 | | 2007-05-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999507001755/9999999995-07-001755-index.htm) Declared effective | 333-135540 | 9999999995-07-001755 | | 2007-01-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999507000229/9999999995-07-000229-index.htm) Declared effective | 333-135540 | 9999999995-07-000229 | | 2007-01-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/895450/999999999507000219/9999999995-07-000219-index.htm) Declared effective | 333-139499 | 9999999995-07-000219 | | 2006-12-20 | [S-1](https://www.sec.gov/Archives/edgar/data/895450/000119312506256494/0001193125-06-256494-index.htm) Registration filed | 333-139499 | 0001193125-06-256494 | | 2006-12-13 | [S-1/A](https://www.sec.gov/Archives/edgar/data/895450/000119312506251875/0001193125-06-251875-index.htm) Amendment | 333-135540 | 0001193125-06-251875 | | 2006-06-30 | [S-1](https://www.sec.gov/Archives/edgar/data/895450/000119312506140701/0001193125-06-140701-index.htm) Registration filed | 333-135540 | 0001193125-06-140701 | | 2004-05-28 | [S-3](https://www.sec.gov/Archives/edgar/data/895450/000095012904003689/0000950129-04-003689-index.htm) Shelf registered | 333-115963 | 0000950129-04-003689 | | 2002-11-25 | [S-3](https://www.sec.gov/Archives/edgar/data/895450/000095012902005901/0000950129-02-005901-index.htm) Shelf registered | 333-101448 | 0000950129-02-005901 | [All filings of this company](https://equitycapital.markets/filings?cik=895450) · [CSV](https://equitycapital.markets/filings.csv?cik=895450) --- Source page: https://equitycapital.markets/company/895450 · Data: U.S. SEC EDGAR · CC BY 4.0