51.   World oil supplies wax and wane in the short run depending on how effectively OPEC is enforcing production quotas.

52.   Yet the executives haggled over their illegal production quotas as if they were negotiating a run-of-the-mill joint venture.

53.   OPEC ministers are scheduled to meet next Wednesday and are widely expected to leave production quotas unchanged in light of sluggish oil demand and plentiful supplies.

54.   OPEC ministers, facing a likely glut in the oil market, said they will talk Wednesday about ways to discourage members from cheating on their production quotas.

55.   OPEC has cut its production quotas four times since the beginning of last year in an effort to keep oil prices falling in the face of sluggish oil demand.

56.   Rashid accused some OPEC member states of causing the fall in prices by not sticking to their production quotas.

57.   A pro-democracy activist held in a labor camp says inmates are often beaten and forced to try to meet high production quotas, Amnesty International reported Saturday.

58.   Another problem OPEC is unable to resolve is the perennial cheating by some of its members who exceed their production quotas.

59.   An OPEC spokesman told reporters it was possible that the cartel might announce a decision about its production quotas later in the evening.

60.   Arrieta argued that reports about his country exceeding its production quota were inaccurate because no one was able to determine the wellhead output without access to the oil fields.