Transportadora de Gas del Sur S.A. ("tgs" or "the Company") (NYSE: TGS, MERVAL: TGSU2) announced that today it filed its annual report on Form 20-F for the fiscal year ended December 31 ...

TGS-Nopec Geophysical Company's wholly owned subsidiary, A2D Technologies, has signed an exclusive five-year agreement to convert Peru's legacy and new-release well log data to industry-standard ...