这些合同类似于服务合同，要求国际石油公司投入自己的资本和专业技术来开发一个油气田。

These contracts were similar to service contracts and required the IOCs to invest their own capital and expertise to develop an oil or gas field.

youdao

在这种情况下，国际石油公司需要找到一条降本增效之路，在资本支出最少的情况下保证勘探开发和生产。

Under these circumstances, IOCs need to look for exploration and production opportunities that require comparatively little capital and operational expenditure.

youdao