OPEC's decades-long hold over global oil markets is fraying again as founder member Venezuela becomes the second nation in a matter of months to consider an exit.

Caracas's deliberations on whether to leave the organization it helped create more than six decades ago, as it cleaves ever closer to the US, may have negligible immediate impact on global oil supplies, crude traders say.

The potential departure underscores growing tensions within the oil cartel, which has struggled to maintain unity among its diverse membership amid shifting geopolitical alliances and evolving energy markets.

Traders note that while Venezuela's exit would carry symbolic weight given its founding role, the immediate effect on global crude markets is expected to be minimal.