InterBulk the transportation specialist, said that full year results are expected to be in line with market expectations. Margins have remained under pressure but are now showing some early signs of slight improvement. The group has seen high demand for its tank-container on-hire programme, and has increased its fleet size by 1,000 to 8,600. Both the liquid and dry sectors have seen growth in asset utilisation.Oil and gas explorer Range Resources said a revised reserve report on its North Chapman Ranch field in Nueces County, Texas bumped up the commercially recoverable reserves estimate by 67%.